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How to become Data Scientist in 2019? | edWisor - 0 views

blog.edwisor.com/...ecome-a-data-scientist-in-2019 scientist job demands data course role
shared by marketngedwisor on 03 Aug 19 - No Cached
  • marketngedwisor on 03 Aug 19
     
    Are you starting for your career as a data scientist? To become an expert in data science you need to begin from the ground up. And you need to get a step-by-step guide to becoming a data scientist and for learning a particular skill. Instead of jumping for a master program in computer science you need to focus mathematics, python,r-programming or statistics or develop a skill in data science. If you are looking out for such a learning institute then you could also take a walk for edwisor.com as it works for enrolled students in data science career program as well as in the hiring process and gets 4 Guaranteed interviews at top organizations.
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MetaCricket: A designer's kit for making computational devices - 0 views

www.research.ibm.com/...martin.html 5star cricket martin robot
shared by York Jong on 16 Jun 07 - Cached
  • All Cricket devices have a built-in bidirectional infrared communications channel, which is used for Cricket-to-desktop communication (when downloading programs to a Cricket, or viewing sensor data) and Cricket-to-Cricket communication.
  • Cricket Logo is based on an iterative, interactive model of project development. It includes a “command center” window; instructions typed into this window are instantaneously compiled, downloaded to a Cricket, and executed, giving the system the flavor of an interpreted software environment such as LISP, BASIC, or FORTH.
  • The MetaCricket software system is based on a virtual machine, written in PIC assembly language and running on the Cricket, and a compiler for the virtual machine running on a desktop development computer
  • ...13 more annotations...
  • It is straightforward to implement an interpreter-like interface, where user commands are transparently compiled, downloaded, and executed.
  • The Cricket virtual machine is burned into the PIC microprocessor's internal ROM
  • The user's code resides in a serial EEPROM
  • Built-in infrared communications routines include a protocol for reading and writing to this external EEPROM, and for asking the virtual machine to begin execution of byte codes already loaded into the EEPROM.
  • Users write programs for the Cricket in Cricket Logo, a dialect of Logo specialized for the Cricket virtual machine. Essentially, there is a one-to-one mapping between statements in Cricket Logo and primitive functions built into the virtual machine. This makes the implementation of the compiler far simpler than typical compilers.
  • The infrared protocol includes the following capabilities: Check that a Cricket is present and ready for other commands. Write a byte to the Cricket's EEPROM. Read a byte from the Cricket's memory. Begin program execution from a particular memory address.
  • we have found that a debugger is not necessary because of the interactive and incremental style of project development that occurs when using the Cricket.
  • The compiler includes an interactive mode—a text window where user expressions are compiled, downloaded, and executed in one step when the user presses the return key. A portion of the Cricket's memory is set aside for these dynamic programs.
  • User-level primitive functions compile to one, two, or three bytes of object code for the Cricket virtual machine.
  • The Cricket virtual machine has two process threads: a foreground process and a background daemon. In most Cricket programs, the foreground thread handles all the work, but for some tasks, the background daemon is valuable. For example, the background daemon can be used to instigate a periodic activity, or take action when some event occurs.
  • There are hardware-specific primitives for interacting with on-board Cricket hardware. Motor commands set state (on or off), direction, and power levels for each of the two integrated motor drivers. Analog sensor primitives (sensora and sensorb) return a value (0 to 255) for each of the two voltage inputs. These inputs also may be interpreted as digital values using the switcha and switchb primitives. There is a pair of primitive functions for generating tones on the piezo beeper: beep and note, the latter taking pitch and duration arguments.
  • there is a background millisecond timer that is updated every four milliseconds
  • One foreground thread plus one background daemon Daemon fires when provided Boolean expression makes false-to-true transition
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RoboLogo - Teaching Children how to program Interactive Robots - 0 views

web.mit.edu/...robologo.html grammar javacc logo mit robot
shared by York Jong on 09 Sep 07 - Cached
  • All of the procedures take a discrete ``gear'' to specify the speed. The reasons for this are two-fold; first, by limiting the power of the truck, we simplify the interface to children. Secondly, it allows use to calibrate the ``gears'' so that, for example, 10 seconds forward in first gear is the same distance as 10 seconds backward in first gear.
  • The limitation of LOGO however is the lack of feedback from the environment. There is no way of expressing an event occuring in the outside world.
  • Simple constructs in iLogo extend the original LOGO language with interactivity capabilities of reading sensors and transfering control to different parts of the program.
  • ...6 more annotations...
  • These above rules handle all of the commands and expressions of the iLogo language except for the DoUnlessCommand. This command will execute a list of commands unless a boolean condition is met. If so, control is switched to a new list of commands for handling the exception condition.
  • Each stage of the compiler is designed using the Visitor pattern described in the book Design Pattern by Eric Gamma, et al. This pattern allows tree traversers to be created as seperated objects, instead of doing all traversals as methods of the nodes of the tree
  • We decided to use the JavaCC/JJTree tools created by Sun for generating a custom parser for our iLogo language written in Java.
  • The language must have primitives which allow the user of the language to write programs which easily transfer control based upon outside stimuli, in this case sensors on the truck.
  • An LM18293 push-pull motor driver connects the programmable counter array (PCA) of the 8051 to the truck's motors.
    • York Jong
      York Jong on 09 Sep 07
       
      LM18293 is a DC motor driver.
  • We took the Berkeley Logo language design as our base and then added a primitive for reading sensor and an exception-based control structure.
  • York Jong on 09 Sep 07
     
    RoboLogo is a system that enables children to program interactive robots. Children can program a robotic truck that interacts with the environment without having to deal with low-level implementation details.
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Robot Programming : A Practical Guide to Behavior-Based Robotics - 0 views

www.amazon.com/...0071427783 3star autonomous behavior-based book embedded irobot mobile programming robot
shared by York Jong on 27 May 07 - Cached
  • Behavior-based robotics is quite simply the design of robots where there are no internal "models" of the environment. Instead, the robot's action is state-machine driven via inputs gleaned from the robot's sensors.
  • York Jong on 27 May 07
     
    Jones, one of the inventors of the first widely adopted consumer robot,introduces the history and theory behind behavior-based programming, teaches skills needed for programming a robot, and provides readers with a virtual robot on a web site to test prog
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Programming Robot Controllers - 0 views

www.myke.com/prc-book.htm book choice controller embedded programming robot
shared by York Jong on 31 May 07 - Cached
  • York Jong on 31 May 07
     
    Included with Programming Robot Controllers are all the software tools that you will require to develop your own robot applications. I choose the Microchip PIC16F627 microcontroller because it has flash memory (allowing it to be easily reprogrammed withou
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BASIC Stamp - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/BASIC_Stamp basic-stamp pic robot
shared by York Jong on 09 Sep 07 - Cached
  • The BASIC Stamp is a microcontroller with a small, specialized BASIC interpreter (PBASIC) built into ROM.
  • The third variant is the Javelin stamp. This stamp uses Sun Microsystem's Java programing language instead of Parallax's PBasic
  • all current PICs are Flash-based, and support in-circuit programming.
  • ...2 more annotations...
  • The Basic Stamp > interprets instructions in real-time, essentially running a virtual machine on the PIC. This means that it is much slower
  • The Stamp implements a complete solution on a single PCB. In comparison, a bare PIC requires a separate power regulator and substantial decoupling on its output.
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PROGRAMMING - PID CONTROL - 0 views

www.societyofrobots.com/programming_PID.shtml control pid
shared by York Jong on 01 Jun 07 - Cached
  • The only time you will need this term is when acceleration plays a big factor with your robot. If your robot is really heavy, or gravity is not on it's side (such as steep hills), then you will need the integral term.
  • The sampling rate is the speed at which your control algorithm can update itself.
  • To increase sampling rate, you want an even faster update of sensor readings, and minimal delay in your program loop.

Service With A Cyber Touch: Robots In The Service Industry - 0 views

started by seobusiness1991 on 03 Jun 19 no follow-up yet
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Robotics -- Logo Products - 0 views

el.media.mit.edu/...robotics.html 5star collection logo robot toy
shared by York Jong on 19 Jun 07 - Cached
  • Many Logo-based and other robotics products produced by LEGO are distributed to schools in the USA by Pitsco.
  • This free-range turtle does not require connection to a computer. All the controls are on board.
  • The Cricket is a tiny computer, suitable for all kinds of robotics projects, that you can program using Logo.
  • York Jong on 19 Jun 07
     
    Logo has long been used to control mechanical turtles and other robotic devices. Here are some sources of equipment and related software.
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PIC Robotics - 0 views

www.amazon.com/...002-6105597-6750428 book choice embedded pic robot
shared by York Jong on 31 May 07 - Cached
  • York Jong on 31 May 07
     
    Text provides six complete, do-it-yourself robotics projects. Covers bipedal robots that walk upright, functional robotic arms, easily programmed behavior-based robots, complete parts lists for all projects, and more. Softcover.
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機器人編程技術 - 0 views

www.bookschina.com/1379086.htm autonomous behavior-based book choice embedded irobot mobile programming robot
shared by York Jong on 27 May 07 - Cached
  • York Jong on 27 May 07
     
    本書主要闡述了基於行為的機器人編程思想和相關編程技巧，比較詳細地介紹了在編程過程中有可能遇到的各種問題，並據此提出了相應的解決方案，提供了大量的行為代碼和仲裁代碼示例。本
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BSIM User Manual - 0 views

www.behaviorbasedprogramming.com/...index.php behavior-based java robot simulation
shared by York Jong on 27 May 07 - Cached
  • York Jong on 27 May 07
     
    Welcome to BSim, a behavior based robot simulator. BSim is designed to allow users to experiment with behavior based programming techniques without requiring access to an actual robot (The B in BSim stands for behavior). BSim enables users to create simpl
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http://www-robotics.usc.edu/~maja/robot-control.html - 0 views

www-robotics.usc.edu/...robot-control.html
shared by York Jong on 26 May 07 - Cached
  • stimulus-response
  • a plan of action
  • combine the best of both Reactive and Deliberative control
  • ...3 more annotations...
  • if a robot needs to plan ahead, it does so in a network of behaviors which talk to each other and send information around, rather than a single planner, as with hybrid systems.
  • three-layer systems.
  • Deliberative Control: Think hard, then act. Reactive Control: Don't think, (re)act. Hybrid Control: Think and act independently, in parallel. Behavior-Based Control: Think the way you act.
  • York Jong on 26 May 07
     
    Robot control refers to the way in which the sensing and action of a robot are coordinated. There are infinitely many possible robot programs, but they all fall along a well-defined spectrum of control. Along this spectrum, there are four basic practical
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CAROLL: a Cheap Autonomous Robot for On-Line Learning - 0 views

www2.lifl.fr/...caroll.html learning pic q-learning robot
shared by York Jong on 29 May 07 - Cached
  • The algorithm used here is a simple Q-learning algorithm
  • York Jong on 29 May 07
     
    This document describes the conception, building and programmation of a non-expensive autonomous wheeled robot, using as few electronic parts and special skills as possible. It makes use of a cheap but strong micro-controller, with enough program and data
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Chiu-Yuan Fang's Book Store - 0 views

www.geocities.com/...amazon.html book diy robot
shared by York Jong on 31 May 07 - Cached
  • York Jong on 31 May 07
     
    These are some books which can help you expand your knowledge in electronics and robotics. I'm selling these to you through the Amazon Associates program where you get the same LOW Amazon price and I get a couple bucks commission which will go straight to
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Behavior-based robotics - 0 views

en.wikipedia.org/...Behavior-based_robotics behavior-based robot
shared by York Jong on 27 May 07 - Cached
  • York Jong on 27 May 07
     
    Most behavior-based systems are also reactive, which means they use relatively little internal variable state to model the environment. For instance, there is no programming in the robot of what a chair looks like, or what kind of surface the robot is mov

Subsumption Architecture - 45 views

started by York Jong on 28 May 07 no follow-up yet
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