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Francois Bergeron

Displacement | Microstrain - 0 views

www.microstrain.com/displacement

supplier sensors strain displacement company material

shared by Francois Bergeron on 06 Jun 12 - No Cached
  • MicroStrain offers a range of miniature displacement sensors.  These include contact sensors, non-contact sensors, and signal conditioners. Within our contact sensors, we offer gauging, non-gauging, sub-miniature (very small) and micro-miniature (smallest available on the market) displacement sensor designs.  MicroStrain displacement/position sensors are known as DVRTs (Differential Variable Reluctance Transducers) which are half-bridge LVDTs (Linear Variable Differential Transformers).  Our DVRTs deliver a very high linear stroke range to body length ratio, and can be used in environments where traditional LVDTs are too large.  MicroStrain’s miniature displacement transducers are extremely robust, capable of operating at temperatures up to 175°C in corrosive media such as saline, oil, and brake fluid.  The near frictionless design enables sensors to operate over millions of cycles without wear or degradation in signal quality.
  • croStrain offers a range of miniature displacement sensors.  These include contact sensors, non-contact sensors, and signal conditioners. Within our contact sensors, we offer gauging, non-gauging, sub-miniature (very small) and micro-miniature (smallest available on the market) displacement sensor designs.  MicroStrain displacement/position sensors are known as DVRTs (Differential Variable Reluctance Transducers) which are half-bridge LVDTs (Linear Variable Differential Transformers).  Our DVRTs deliver a very high linear stroke range to body length ratio, and can be used in environments where traditional LVDTs are too large.  MicroStrain’s miniature displacement transducers are extremely robust, capable of operating at temperatures up to 175°C in corrosive media such as saline, oil, and brake fluid.  The near frictionless design enables sensors to operate over millions of cycles without wear or degradation in signal quality. MicroStrain’s displacement sensing products including transducers, signal conditioners, and motherboards. These systems provide highly precise measurement solutions. MicroStrain’s contact displacement transducers deliver highly precise linear measurements with an extremely small, miniature design.  Both gauging and non-gauging displacement transducers are available. Our non-contact displacement transducers are designed to measure the displacement and proximity of a metal target without physical contact. MicroStrain offers wireless, analog, and digital output DVRT signal conditioners. Signal conditioners are required for use with MicroStrain DVRT displacement sensors.   .familyNav1, .familyNav2, .familyNav3, .familyNav4 { background: none repeat scroll 0 0 #CCCCCC; color: #FFFFFF; display: block; font-size: 14px; margin: 1px 0; padding: 6px 0 3px 6px; text-decoration: none; } .familyNav1:hover, .familyNav2:hover, .familyNav3:hover, .familyNav4:hover { opacity:1.0; filter:alpha(opacity=100); } .familyNav1:hover, .familyNav1.live { background:#0468AD; } .familyNav2:hover, .familyNav2.live{ background:#32641E; } .familyNav3:hover, .familyNav3.live{ background:#B55A11; } .familyNav4:hover, .familyNav4.live{ background:#76285D; } .familySub { margin: -1px 0 0; opacity:0.7; filter:alpha(opacity=80); font-size:12px; } .familySub img { width: 22px; } WIRELESS SENSOR NETWORKS
Tiberius Brastaviceanu

Places to Intervene in a System by Donella H. Meadows - developer.*, Developer Dot Star - 0 views

www.developerdotstar.com/...places_intervene_system.html

systems complexity management paper

shared by Tiberius Brastaviceanu on 20 Sep 11 - Cached
  • Folks who do systems analysis have a great belief in "leverage points."
  • where a small shift in one thing can produce big changes in everything.
  • backward intuition
  • ...15 more annotations...
  • "Places to Intervene in a System," followed by nine items: 9.  Numbers (subsidies, taxes, standards). 8.  Material stocks and flows. 7.  Regulating negative feedback loops. 6.  Driving positive feedback loops. 5.  Information flows. 4.  The rules of the system (incentives, punishment, constraints). 3.  The power of self-organization. 2.  The goals of the system. 1.  The mindset or paradigm out of which the goals, rules, feedback structure arise.
  • an invitation to think more broadly about system change.
  • Numbers ("parameters" in systems jargon) determine how much of a discrepancy turns which faucet how fast.
  • some of which are physically locked in, but most of which are popular intervention points.
  • Probably ninety-five percent of our attention goes to numbers, but there's not a lot of power in them.
  • Not that parameters aren't important—they can be, especially in the short term and to the individual who's standing directly in the flow. But they rarely change behavior. If the system is chronically stagnant, parameter changes rarely kick-start it. If it's wildly variable, they don't usually stabilize it. If it's growing out of control, they don't brake it.
  • Spending more on police doesn't make crime go away.
  • Numbers become leverage points when they go into ranges that kick off one of the items higher on this list.
  • Probably the most common kind of critical number is the length of delay in a feedback loop.
  • A delay in a feedback process is critical relative to rates of change (growth, fluctuation, decay) in the system state that the feedback loop is trying to control.
  • Delays that are too short cause overreaction, oscillations amplified by the jumpiness of the response. Delays that are too long cause damped, sustained, or exploding oscillations, depending on how much too long. At the extreme they cause chaos. Delays in a system with a threshold, a danger point, a range past which irreversible damage can occur, cause overshoot and collapse.
  • delays are not often easily changeable
  • It's usually easier to slow down the change rate (positive feedback loops, higher on this list), so feedback delays won't cause so much trouble
  • Most systems have evolved or are designed to stay out of sensitive parameter ranges. Mostly, the numbers are not worth the sweat put into them.
  • The plumbing structure, the stocks and flows and their physical arrangement, can have an enormous effect on how a system operates.
Kurt Laitner

How Particle Physics Is Improving Recommendation Engines | MIT Technology Review - 0 views

www.technologyreview.com/...proving-recommendation-engines

rival vs non-rival goods recommendation particle physics

shared by Kurt Laitner on 17 Jan 13 - No Cached
  • how to deal with recommendations for objects whose value diminishes with the number of people who use it.
  • Clearly the resulting distribution of these different types of particles is entirely different.
  • The analogy here is with goods that any number of people can share or that only one person can have.
  • ...4 more annotations...
  • explore the space between these extremes
  • a single object/state can be shared with a relatively small number of users/particles
  •  Preventing oversubscription ensures that the population of users sample a wider range of DVDs, which in turn provides a broader range of recommendations.
  • Retailers are not just interested in renting DVDs or selling books or whatever. They want to maximise profits.
  • Kurt Laitner on 17 Jan 13
     
    Interesting discussion of rival and nov-rival goods recommendations engine. Goes to scarcity vs abundance, how to manage deamnd for scarce goods.
Francois Bergeron

Dolomite presents new range of Piezoelectric Pumps (July 2013) - 0 views

www.dolomite-microfluidics.com/...w-range-of-piezoelectric-pumps

tools lab-on-chip

shared by Francois Bergeron on 22 Oct 13 - No Cached
  • Francois Bergeron on 22 Oct 13
     
    "Piezoelectric Pumps providing a flexible solution for handling of small volumes of fluid within microfluidic systems."
Tiberius Brastaviceanu

Co-Creating as Disruption to the Dominant Cultural Framework » Wirearchy - 0 views

wirearchy.com/...he-dominant-cultural-framework

paper Wirearchy John Husband

shared by Tiberius Brastaviceanu on 18 Jun 14 - No Cached
  • more open people processes
  • Participative processes like Open Space, World Cafes, Unconferences, Peer Circles
  • Barcamps, Wordcamps, Govcamps, Foo Camps, Unconferences, high-end celebrity-and-marketing-and venture-capital ‘experience’ markets, new cultural and artistic festivals with technology-and-culture-making themes
  • ...45 more annotations...
  • maker faires
  • community-and-consensus building, organizing for activism and fundraising
  • The impetus behind this explosion is both technological and sociological
  • Technological
  • information technology and the creation and evolution of the Internet and the Web
  • appearance, development and evolution of social tools, web services, massive storage, and the ongoing development of computer-and-smart-devices development
  • Sociological
  • People are searching for ways to find others with similar interests and motivations so that they can engage in activities that help them learn, find work, grow capabilities and skills, and tackle vexing social and economic problems
  • get informed and take action
  • Developing familiarity and practice with open and collaborative processes
  • play and work together
  • rules about self-management, operate democratically, and produce results grounded in ownership and the responsibilities that have been agreed upon by the ‘community’
  • The relationships and flows of information can be transferred to online spaces and often benefit from wider connectivity.
  • Today, our culture-making activities are well engaged in the early stages of cultural mutation
  • What’s coming along next ?  “Smart” devices and Internet everywhere in our lives ?  Deep(er) changes to the way things are conceived, carried out, managed and used ?  New mental models ?  Or, will we discover real societal limits to what can be done given the current framework of laws, institutions and established practices with which people are familiar and comfortable ?
  • Shorter cycle-based development and release
  • Agile development
  • It is clear evidence that the developmental and learning dynamics generated by continuous or regular feedback loops are becoming the norm in areas of activity in which change and short cycles of product development are constants.
  • The Internet of Things (IoT)
  • clothes, homes, cars, buildings, roads, and a wide range of other objects that have a place in peoples’ daily life activities
  • experiencing major growth, equally in terms of hardware, software and with respect to the way the capabilities are configured and used
  • The IoT concept is being combined with the new-ish concepts of Open Data and Big Data
  • ethical, political and social impact policy decisions
  • that key opportunities associated with widespread uptake of the IoT are derived from the impact upon peoples’ activities and lives
  • ‘we’ are on our way towards more integrated eco-systems of issues, people and technologies
  • participation and inclusion enabled by interconnectedness are quickly becoming the ‘new rules’
  • What the Future May Hold
  • the ‘scenario planning’ approach
  • world’s politics, economics, anthropology, technology, psychology, sociology and philosophy
  • A scenario planning exercise carried out by the Rockefeller Foundation
  • Clearly these early (and now not-so-weak) signals and patterns tell us that the core assumptions and principles that have underpinned organized human activities for most of the past century
  • are being changed by the combinations and permutations of new, powerful, inexpensive and widely accessible information-processing technologies
  • The short description of each scenario reinforces the perception that we are both individually and collectively in transition from a linear, specialized, efficiency-driven paradigm towards a paradigm based on continuous feedback loops and principles of participation, both large and small in scope.
  • cultural ‘mutation’
  • Wirearchy
  • a dynamic two-way flow of power and authority based on knowledge, trust, credibility and a focus on results, enabled by interconnected people and technology.
  • the role of social media and smart mobile devices in the uprisings in Egypt, Libya and elsewhere in the Middle East
  • The roots of organizational development (OD) are in humanistic psychology and sociology action and ethnographic and cybernetic/ socio-technical systems theory.  It’s a domain that emerged essentially as a counter-balance to the mechanistic and machine-metaphor-based core assumptions about the organized activities in our society.
  • Organizational development principles are built upon some basic assumptions about human motivations, engagement and activities.
  • Participative Work Design – The Six Criteria
  • in recent years created models that help clarify how to evaluate and respond to the continuous turbulence and ambiguity generated by participating in interconnected flows of information.
  • contexts characterized by either Simple, Complicated or Chaotic dynamics (from complexity theory fundamentals). Increasingly, Complexity is emerging as a key definer of the issues, problems and opportunities faced by our societies.
  • peer-to-peer movement(s) unfolding around the world
  • Co-creating in a wide range of forms, processes and purpose may become an effective and important antidote to the spreading enclosure of human creative activity.
  • But .. the dominant models of governance, commercial ownership and the use and re-use of that which is co-created by people are going to have to undergo much more deep change in order to disrupt the existing paradigm of proprietary commercial creation and the model of socio-economic power that this paradigm enables and carries today.
Justin McCollen

Top Quality Spill Control Products and Services - 2 views

Bunding

started by Justin McCollen on 01 Mar 13 no follow-up yet
Tiberius Brastaviceanu

Cube U30GT2 - 0 views

www.aliexpress.com/...711181_800306618.html

tablet

shared by Tiberius Brastaviceanu on 09 Jun 13 - No Cached
  • Tiberius Brastaviceanu on 09 Jun 13
     
    "3G"
  • Francois Bergeron on 28 Dec 13
     
    it's the one I bought. I am very disappointed because the wifi is very short range and slow, which is very annoying for a tablet...Do not buy...
Tiberius Brastaviceanu

Private 'Distributed Ledgers' Miss the Point of a Blockchain | Bank Think - 0 views

www.americanbanker.com/...of-a-blockchain-1077435-1.html

paper blockchainaccess_project

shared by Tiberius Brastaviceanu on 27 May 16 - No Cached
  • a new buzzword making waves throughout the financial industry: “distributed ledger.”
  • Some say it's a tool to enable transparency by ensuring that all members of a group receive cryptographically secured messages about participants’ activities
  • Some are even bold enough to predict that distributed ledgers will end the madness of managing multiple database and reconciliation structures.
  • ...13 more annotations...
  • Distributed ledgers have primarily claimed to supplant the need for Bitcoin's mining process by introducing trust requirements among participants. These ledgers also promise users the immutability of Bitcoin without the need for expensive mining operations.
  • the technology powering distributed ledgers predates blockchains by well over 20 years.
  • Proponents of distributed ledgers argue that they can displace centralized providers such as SWIFT,
  • by moving money faster
  • There’s no doubt that blockchain technology will facilitate disruptive innovations in finance
  • But a world of private ledgers sounds eerily similar to a range of “private Internets.”
  • Blockchain technology is useful not because it offers efficiency in a world of message-passing but because it uses a complex process to settle value between untrusted parties.
  • But distributed ledgers do not offer users the ability to easily convert their tokens and messages into fungible units of value. Nor do distributed ledgers escrow value between parties that don't trust each other.
  • If a ledger is not a public resource, it will have the pressures incumbent to existing settlement systems plus the overhead of maintaining a shared database among competitors. What efficiency will remain thereafter remains dubious.
  • Permissioned Blockchains
  • their institutional users will probably find it expedient to hash their private-chain transactions and use those hashes to create bitcoin addresses and then send tiny fractions of a bitcoin to them to register their data at a location that cannot be hacked or changed.
    • Tiberius Brastaviceanu
      Tiberius Brastaviceanu on 27 May 16
       
      This is also a problem with access, if an access event needs to be recorded in a way that cannot be altered, in a data location that cannot be altered, it will need to be stored on a block chain. 
  • In other words, all private ledger/blockchains will lead to Bitcoin's Rome, driven there by its low cost and high public accountability.
  • Tiberius Brastaviceanu on 27 May 16
     
    the case against private chains.
Tiberius Brastaviceanu

Narishige - positioning and micromanipulation - 0 views

usa.narishige-group.com

supplier store positioning system micromanipulation Ivan Tibi

shared by Tiberius Brastaviceanu on 21 Dec 11 - No Cached
  • Tiberius Brastaviceanu on 21 Aug 12
     
    Dilson used their positioning system, they work very nice, long range, good precision, used also by Nikon
Kurt Laitner

Goodbye, Dilbert: 'The Rise of the Naked Economy' » Knowledge@Wharton - 2 views

knowledge.wharton.upenn.edu/...bye-dilbert-rise-naked-economy

sensorica the rise of the naked economy book review

shared by Kurt Laitner on 09 Jan 14 - No Cached
  • “teaming”: bringing together a team of professionals for a specific task
  • The old cubicle-based, static company is increasingly being replaced by a more fluid and mobile model: “the constant assembly, disassembly, and reassembly of people, talent, and ideas around a range of challenges and opportunities.”
  • Therefore, the new economy and its “seminomadic workforce” will require “new places to gather, work, live, and interact.”
  • ...17 more annotations...
  • The consumer electronics company Plantronics, for example, knowing that on any given day 40% of its workforce will be working elsewhere, designed its corporate campus to only 60% capacity
  • Their joint enterprise, NextSpace, became their first venture into what they call “coworking,” or the creation of “shared collaborative workspaces.”
  • also nurtures what the authors call “managed serendipity” — ad hoc collaboration between people with diverging but complementary skills
  • the number of coworking spaces worldwide has shot up from 30 in 2006 to 1,130 in 2011
  • someone needs to keep an eye on the big picture, to “connect the dots.”
  • workspaces are designed on a flexible, on-demand and as-needed basis
  • Coonerty and Neuner found that the most productive collaborations tended to pair highly specialized experts with big-picture thinkers
  • they were struck by the number of entrepreneurs and freelancers working at coffee shops in the area
  • Business Talent Group
  • Clients get the specialized help they need at a cost below that of a full-time employee or traditional consulting firm, and specialists are well compensated and rewarded with flexible schedules and a greater degree of choice about which projects to take.
  • This has produced a new market dynamic in which the headhunter of yesteryear has been replaced by “talent brokers” who connect highly specialized talent with companies on a project-by-project basis
  • Matthew Mullenweg, doesn’t have much faith in traditional office buildings or corporate campuses: “I would argue that most offices are full of people not working.”
  • On the other hand, Mullenweg is a big believer in face-to-face collaboration and brainstorming, and flies his teams all over the globe to do so.
  • He also set up an informal workspace in San Francisco called the Lounge
  • Additionally, a 2010 Kauffman-Rand study worried that employer-based health insurance, by discouraging risk-taking, will be an ongoing drag on entrepreneurship
  • the problem of payroll taxes for freelancers
  • up to 44% of independent workers encounter difficulty getting paid fully for their work
Tiberius Brastaviceanu

Innovation Canada: A Call to Action - Review of Federal Support to Research and Develop... - 1 views

rd-review.ca/...00288.html

Industry Canada

shared by Tiberius Brastaviceanu on 04 Feb 14 - No Cached
  • Canada has a solid foundation on which to build success as a leader in the knowledge economy of tomorrow
  • innovation in Canada lags behind other highly developed countries
  • innovation is the ultimate source of the long-term competitiveness of businesses and the quality of life of Canadians
  • ...28 more annotations...
  • We heard that the government should be more focussed on helping innovative firms to grow and, particularly, on serving the needs of small and medium-sized enterprises (SMEs)
  • greater cooperation with provincial programs
  • innovation support is too narrowly focussed on R&D – more support is needed for other activities along the continuum from ideas to commercially useful innovation
  • more productive and internationally competitive economy
  • whole-of-government program delivery vehicle – the Industrial Research and Innovation Council (IRIC)
  • SR&ED program should be simplified
  • includes non-labour costs, such as materials and capital equipment, the calculation of which can be highly complex
  • the base for the tax credit should be labour-related costs, and the tax credit rate should be adjusted upward
  • fund direct support measures for SMEs
  • promoting the growth of firms
  • facilitating access by such firms to an increased supply of risk capital at both the start-up and later stages of their growth.
  • building public–private research collaborations
  • National Research Council (NRC) should become independent collaborative research organizations
  • become affiliates of universities
  • create opportunity and demand for leading-edge goods
  • encouragement of innovation in the Canadian economy should become a stated objective of procurement policies and programs.
  • the government needs to establish business innovation as a whole-of-government priority
  • put innovation at the centre of the government's economic strategy
  • Innovation Advisory Committee (IAC) – a body with a whole-of-government focus that would oversee the realization of our proposed action plan, as well as serve as a permanent mechanism to promote the refinement and improvement of the government's business innovation programs going forward.
  • focus resources where market forces are unlikely to operate effectively or efficiently and, in that context, address the full range of business innovation activities, including research, development, commercialization and collaboration with other key actors in the innovation ecosystem
  • the closer the activity being supported is to market, and therefore the more likely it is that the recipient firm will capture most of the benefit for itself.
  • specific sectors
  • of strategic importance
  • concentrated in particular regions
  • succeed in the arena of global competition
    • Tiberius Brastaviceanu
      Tiberius Brastaviceanu on 05 Feb 14
       
      They don't go beyond the firm
    • Tiberius Brastaviceanu
      Tiberius Brastaviceanu on 05 Feb 14
       
      they are still stuck in the competitive paradigm
    • Tiberius Brastaviceanu
      Tiberius Brastaviceanu on 05 Feb 14
       
      Still stack with the old paradigm of the "knowledge economy"  http://en.wikipedia.org/wiki/Knowledge_economy  My opinion is that we're moving into a know-how economy. 
Tiberius Brastaviceanu

A Robust Uniaxial Force Sensor for Minimally Invasive Surgery - 0 views

www.ncbi.nlm.nih.gov/...PMC2910788

force axis honigmann sensor biomedical optical uniaxial

shared by Tiberius Brastaviceanu on 23 Apr 11 - No Cached
  • miniature uniaxial force sensor for use within a beating heart during mitral valve annuloplasty
  • provides a hollow core to pass instrumentation
  • Fiber optic transduction eliminates electrical circuitry within the heart, and acetal components minimize ultrasound-imaging artifacts
  • ...4 more annotations...
  • 0–4-N force range
  • errors of 0.13 N (<3.2%)
  • MINIMALLY invasive surgery (MIS)
  • surgeons lose the critical sense of touch during MIS because instruments are passed through ports that mask the surgeon's feel of the internal operating environment.
Francois Bergeron

Accelerometer and devices using the same - Patent # 6649905 - PatentGenius - 1 views

www.patentgenius.com/...6649905.html

baseball bat accelerometer optic fiber

shared by Francois Bergeron on 05 Nov 11 - No Cached
  • The forces involved in hitting a baseball are enormous. Estimates place them as high as 100 g. Not only must the instrument be able to measure them accurately in the first place but it must also be able to survive these extreme forces. Further,the instrument must be sufficiently miniaturized to be able to fit within a bore hole in the bat without fatally diminishing its strength. Preexisting accelerometers known to the present inventor fail on all scores. Solid state accelerometers have poorsignal to noise ratios and a relatively low dynamic range. Further, they have a long recovery time after a large impact.
sebastianklemm

Oikocredit Canada - 0 views

www.oikocredit.ca

organisation potential partner greens_for_good investment funding

shared by sebastianklemm on 26 Apr 21 - No Cached
  • sebastianklemm on 26 Apr 21
     
    "INVESTING IN PEOPLE": Oikocredit is a worldwide co-operative, socially responsible investor, and one of the largest private funders of microfinance in the world. "PEOPLE, PLANET AND PROFIT": Oikocredit does three simple things. We help people create their own path out of poverty. We do so in a way that leaves a positive impact on the planet. And we deliver a modest financial return back to investors like you. We call it a 'triple bottom line'. "SUSTAINABLE AGRICULTURE": Another major prioity of Oikocredit is to provide financing to farmer co-operatives, fair trade organizations and agri-processing companies working with smallholder farmers. This helps to boost rural incomes, increase food security and strengthen communities hit by global competition and environmental changes brought about by climate change. (...) "PARTNERS": Oikocredit invests in hundreds of partners, ranging from microfinance institutions and co-operatives to producer organizations. Our online partner overview shows you where we operate and with whom we currently invest.
Tiberius Brastaviceanu

Permaculture Principles | Design Principles - 1 views

permacultureprinciples.com/principles_business.php

permaculture principles design business resilience paper

shared by Tiberius Brastaviceanu on 07 Sep 11 - Cached
  • how the principles of permaculture might apply to business.
  • The shift will be from merely prioritising output to thinking more widely.
  • how to build resilience for business
  • ...64 more annotations...
  • observation
  • A post-peak world will depend on detailed observation and good design rather than energy-intensive solutions.
  • not rely on weather forecasts but to learn to read the clouds,
  • “instead of researching the market, be the market”
  • businesses should be out there observing.
  • larger businesses tend to rely more on surveys and on second-hand information.
  • direct contact with customers.
  • move our idea of ‘capital’ from what we have in the bank, to the resources we have around us
  • not running a business on a constant high speed cash throughput with little or no capital reserves
  • lack of resilience in the just-in-time supply approach
  • a shift to storages of parts and materials, as well as the need to financially not be so dependent on debt financing
  • work slower with more financial reserves and take less risks, not building beyond what the company’s financial resources can support.
  • either to not borrow any money at all, or to borrow so much money that you can’t fail, being bigger than the people you borrow money from, so they have a vested interest in your succeeding!
  • energy efficient
  • long term
  • Looking to make buildings as autonomous as possible in a world entering energy descent is critical
  • see things that are flowing past and through the business that others don’t see as being a resource and having no monetary value as being valuable.
  • any intervention we make in a system, any changes we make or elements we introduce ought to be productive
  • This is instinctive to businesses
  • Obtain a Yield, in this context, is out of balance
  • much of business
  • have taken this to extremes
  • A well-designed system using permaculture principles should be able to self-regulate, and require the minimum of intervention and maintenance, like a woodland ecosystem, which requires no weeding, fertiliser or pest control.
  • moving from “we’re just obeying the law” to being proactive, acting before you get hit over the head with regulation and other vulnerabilities.
  • be able to put a foot on the break, not just going hell for leather on profit maximisation.
  • apply applied restraint, avoiding excessive, overfast growth that hasn’t been consolidated
  • looking for the negative feedbacks, from customers and from the environment in general
  • We need to increase the tightness of feedbacks.
  • Where nature can perform particular functions
  • we should utilise these attributes, rather than thinking we can replace them
  • Where nature can take some work off our hands we should let it.
  • a shift towards renewable resources
  • The emerging opportunities for businesses are things that are renewable. Renewable energy sources are the ones that will ensure a business’s stability in the long run. We can also broaden the concept of renewable resources to include things like goodwill and trust, things which a business can rebuild with good husbandry. Most business doesn’t just depend on law and competition, trust is at the heart of much business and it is very much a renewable resource.
  • The concept of waste is essentially a reflection of poor design. Every output from one system could become the input to another system. We need to think cyclically rather than in linear systems.
  • looking at our work from a range of perspectives
  • wider context
  • keep a clearer sense of the wider canvas on which we are painting, and the forces that affect what we are doing.
  • being strategic is important too
  • ask how is what we are doing part of a bigger picture, the move away from globalisation and towards the local, taking steps back from the everyday.
  • This can be done firstly by allowing space for Devil’s advocates, for black sheep, for hearing the voices of those outside of the dominant culture of the organisation and secondly by looking from a holistic perspective of how things interconnect, rather than just relying on experts who are embedded in detail. It emphasises the need to value the generalist, to give value to holistic thinkers.
  • allowing people to imagine different possibilities.
  • scenario planning
  • Permaculture has been described as the science of maximising beneficial relationships.
  • Solutions are to be found in integrated holistic solutions rather than increased specialisation and compartmentalisation
  • The challenge here is to move to seeing business as being part of the geographical community, as being rooted in place, rather than just part of a globalised community. At the moment for many larger businesses, the local is something one pays lip-service to as a source of good PR, something one is passing through, rather than actually being an integral part of the community.
  • This is a profound structural challenge for large organisations. Part of the resilience of the organisation comes from the degree of lateral integration. Resilience is in all solutions, it is the characteristic of ecological systems. If we apply these principles, resilience is one of the emergent properties
  • the notion that big is best needs to be challenged
  • new opportunities are very hard to understand and exploit from a macro level perspective, and are much better done from small scale perspective. It is here that the idea of appropriateness of scale becomes key.
  • more diverse systems have much more inbuilt resilience
  • have a diversity of small businesses, local currencies, food sources, energy sources and so on than if they are just dependent on centralised systems, globalisation’s version of monoculture.
  • not having all your eggs in one basket.
  • In the short term this kind of diversification could reduce profits, but in the longer term it will be more secure
  • this is about the reverse of specialisation, about having a mixed portfolio, and presents a big culture change for businesses.
  • it is a good strategy for business to keep a diverse portfolio of what sustains the business, keep some things that appear to be peripheral. They may not at this stage appear to be a serious part of how the business is run, but in this new world they will increasingly become so
  • ‘edge’
  • the point where two ecosystems meet is often more productive than either of those systems on their own.
  • overlap systems where possible so as to maximise their potential.
  • recognising that innovation doesn’t come from the centre but from fringe thinkers.
  • giving status to the marginal
  • It is important that the business has as many fingers in as many pies as possible, as many interfaces, and recognises that every person working for the business represents it in the community.
  • Natural systems are constantly in flux, evolving and growing.
  • Remaining observant of the changes around you, and not fixing onto the idea that anything around you is fixed or permanent will help too.
  • be flexible, lean and adaptable
  • A healthy approach is to start with no complete plan, to allow the process to be emergent. This is not a time when we can work to a rigid plan as conditions will change so fast. Organisations will need to stay on their toes, without rigid management.
Tiberius Brastaviceanu

Access control - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/...Access_control

blockchainaccess_project wikipedia paper access passport IoPA tech

shared by Tiberius Brastaviceanu on 09 Jun 16 - No Cached
  • The act of accessing may mean consuming, entering, or using.
  • Permission to access a resource is called authorization.
  • Locks and login credentials are two analogous mechanisms of access control.
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  • Geographical access control may be enforced by personnel (e.g., border guard, bouncer, ticket checker)
  • n alternative of access control in the strict sense (physically controlling access itself) is a system of checking authorized presence, see e.g. Ticket controller (transportation). A variant is exit control, e.g. of a shop (checkout) or a country
  • access control refers to the practice of restricting entrance to a property, a building, or a room to authorized persons
  • can be achieved by a human (a guard, bouncer, or receptionist), through mechanical means such as locks and keys, or through technological means such as access control systems like the mantrap.
  • Physical access control is a matter of who, where, and when
  • Historically, this was partially accomplished through keys and locks. When a door is locked, only someone with a key can enter through the door, depending on how the lock is configured. Mechanical locks and keys do not allow restriction of the key holder to specific times or dates. Mechanical locks and keys do not provide records of the key used on any specific door, and the keys can be easily copied or transferred to an unauthorized person. When a mechanical key is lost or the key holder is no longer authorized to use the protected area, the locks must be re-keyed.[citation needed] Electronic access control uses computers to solve the limitations of mechanical locks and keys. A wide range of credentials can be used to replace mechanical keys. The electronic access control system grants access based on the credential presented. When access is granted, the door is unlocked for a predetermined time and the transaction is recorded. When access is refused, the door remains locked and the attempted access is recorded. The system will also monitor the door and alarm if the door is forced open or held open too long after being unlocked
  • Credential
  • Access control system operation
  • The above description illustrates a single factor transaction. Credentials can be passed around, thus subverting the access control list. For example, Alice has access rights to the server room, but Bob does not. Alice either gives Bob her credential, or Bob takes it; he now has access to the server room. To prevent this, two-factor authentication can be used. In a two factor transaction, the presented credential and a second factor are needed for access to be granted; another factor can be a PIN, a second credential, operator intervention, or a biometric input
  • There are three types (factors) of authenticating information:[2] something the user knows, e.g. a password, pass-phrase or PIN something the user has, such as smart card or a key fob something the user is, such as fingerprint, verified by biometric measurement
  • Passwords are a common means of verifying a user's identity before access is given to information systems. In addition, a fourth factor of authentication is now recognized: someone you know, whereby another person who knows you can provide a human element of authentication in situations where systems have been set up to allow for such scenarios
  • When a credential is presented to a reader, the reader sends the credential’s information, usually a number, to a control panel, a highly reliable processor. The control panel compares the credential's number to an access control list, grants or denies the presented request, and sends a transaction log to a database. When access is denied based on the access control list, the door remains locked.
  • A credential is a physical/tangible object, a piece of knowledge, or a facet of a person's physical being, that enables an individual access to a given physical facility or computer-based information system. Typically, credentials can be something a person knows (such as a number or PIN), something they have (such as an access badge), something they are (such as a biometric feature) or some combination of these items. This is known as multi-factor authentication. The typical credential is an access card or key-fob, and newer software can also turn users' smartphones into access devices.
  • An access control point, which can be a door, turnstile, parking gate, elevator, or other physical barrier, where granting access can be electronically controlled. Typically, the access point is a door. An electronic access control door can contain several elements. At its most basic, there is a stand-alone electric lock. The lock is unlocked by an operator with a switch. To automate this, operator intervention is replaced by a reader. The reader could be a keypad where a code is entered, it could be a card reader, or it could be a biometric reader. Readers do not usually make an access decision, but send a card number to an access control panel that verifies the number against an access list
  • monitor the door position
  • Generally only entry is controlled, and exit is uncontrolled. In cases where exit is also controlled, a second reader is used on the opposite side of the door. In cases where exit is not controlled, free exit, a device called a request-to-exit (REX) is used. Request-to-exit devices can be a push-button or a motion detector. When the button is pushed, or the motion detector detects motion at the door, the door alarm is temporarily ignored while the door is opened. Exiting a door without having to electrically unlock the door is called mechanical free egress. This is an important safety feature. In cases where the lock must be electrically unlocked on exit, the request-to-exit device also unlocks the doo
  • Access control topology
  • Access control decisions are made by comparing the credential to an access control list. This look-up can be done by a host or server, by an access control panel, or by a reader. The development of access control systems has seen a steady push of the look-up out from a central host to the edge of the system, or the reader. The predominant topology circa 2009 is hub and spoke with a control panel as the hub, and the readers as the spokes. The look-up and control functions are by the control panel. The spokes communicate through a serial connection; usually RS-485. Some manufactures are pushing the decision making to the edge by placing a controller at the door. The controllers are IP enabled, and connect to a host and database using standard networks
  • Access control readers may be classified by the functions they are able to perform
  • and forward it to a control panel.
  • Basic (non-intelligent) readers: simply read
  • Semi-intelligent readers: have all inputs and outputs necessary to control door hardware (lock, door contact, exit button), but do not make any access decisions. When a user presents a card or enters a PIN, the reader sends information to the main controller, and waits for its response. If the connection to the main controller is interrupted, such readers stop working, or function in a degraded mode. Usually semi-intelligent readers are connected to a control panel via an RS-485 bus.
  • Intelligent readers: have all inputs and outputs necessary to control door hardware; they also have memory and processing power necessary to make access decisions independently. Like semi-intelligent readers, they are connected to a control panel via an RS-485 bus. The control panel sends configuration updates, and retrieves events from the readers.
  • Systems with IP readers usually do not have traditional control panels, and readers communicate directly to a PC that acts as a host
  • a built in webservice to make it user friendly
  • Some readers may have additional features such as an LCD and function buttons for data collection purposes (i.e. clock-in/clock-out events for attendance reports), camera/speaker/microphone for intercom, and smart card read/write support
Francois Bergeron

The Rise of the Service Robot - 2 views

www.photonics.com/Article.aspx

robotic paper

shared by Francois Bergeron on 01 Nov 12 - No Cached
  • Some experts believe that service robots will change the world the same way the personal computer did 30 years ago.
  • The field is relatively new, so the definition of “service robot” is still up for discussion, but it is generally considered to be a robot that is not installed in an industrial setting.
  • New sensors and processes that provide real-time environment monitoring in 3-D must not only prevent collisions during manipulation but also identify and learn new objects. The increasing use of service robots in everyday environments ultimately calls for new user interfaces that can take into account the full range of communications channels.
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  • “The biggest challenge is to cope with the dynamic and unpredictable environment of service robots,” Fischer said. “Compared to industrial robots, the environment is totally undefined
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