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York Jong

Reversing a motor without use of sensors - 0 views

www.solarbotics.net/...tutorials_nosensrevers.html

3star beam circuit electronics motor sensor theory

shared by York Jong on 27 May 07 - Cached
  • The motor is driven in either the forward or reverse direction, but will swap polarity if the motor encounters too sudden or great of a load
  • York Jong on 27 May 07
     
    The sensorless reversing circuit is used for driving one motor of a wheeled robot. The motor is driven in either the forward or reverse direction, but will swap polarity if the motor encounters too sudden or great of a load.
York Jong

How to freeform the H-bridge - by Brian Hendrickson - 0 views

www.beam-online.com/...hbridge.html

beam driver electronics h-bridge motor

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    Most of us are familiar with Beckingham's photovore block (also known as Chiu's). The following is a similar format used for freeforming a simple H-bridge motor driver that can be used for walkers, heads, and any other project that uses motors that requir
York Jong

BEAM Circuits -- 74*24x-based motor drivers compared - 0 views

library.solarbotics.net/...driver_24x_comp.html

3star beam comparison driver electronics ic motor

shared by York Jong on 27 May 07 - Cached
  • In many ways, both the 74*240 and 74*245 are equally handy for BEAM use; both have 20 pins, and so the main difference that most folks will care about is that one inverts drive inputs, while the other doesn't. Out of curiousity, I decided to torture test the two chips to see how they compared under load.
York Jong

Retired Robots - The Ants - 0 views

www.ai.mit.edu/ants

ants mit robot

shared by York Jong on 03 Jun 07 - Cached
  • York Jong on 03 Jun 07
     
    The Ants are a community of cubic-inch microrobots at the MIT Artificial Intelligence Lab. There are two main goals for this project. The first is to push the limits of microrobotics by integrating many sensors and actuators into a small package. The second is to form a structured robotic community from the interactions of many simple individuals. The inspiration behind this idea comes from nature -- the ant colony.
York Jong

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.
York Jong

ROBOT GEARS TUTORIAL - 0 views

www.societyofrobots.com/mechanics_gears.shtml

gear mechanics robot tutorial

shared by York Jong on 31 May 07 - Cached
  • motors commercially available do not normally have a desirable speed to torque ratio (the main exception being servos and high torque motors with built in gearboxes)
  • With gears, you will exchange the high velocity with a better torque.
  • the larger gear will move more slowly than the smaller gear, but it will move with more torque.
  • ...1 more annotation...
  • Suppose your gearing ratio is 3/1. This would mean you would multiple your torque by 3 and your velocity by the inverse, or 1/3.
  • York Jong on 31 May 07
     
    No good robot can ever be built without gears. As such, a good understanding of how gears affect parameters such as torque and velocity are very important.
York Jong

MECHANICS - ROBOT CHASSIS CONSTRUCTION - 0 views

www.societyofrobots.com/nics_chassisconstruction.shtml

mechanics robot tutorial wheel

shared by York Jong on 31 May 07 - Cached
  • Large diameter wheels give your robot low torque but high velocity. So if you already have a very strong motor, then you can use wheels with larger diameters.
  • But if your motor is weak (such as if it does not have any gearing), you want to use a much smaller diameter wheel. This will make your robot slower, but at least it has enough torque to go up a hill!
  • Wheel width. You do not want it too wide as it causes increased resistance to rotating the wheel on a surface.
  • ...1 more annotation...
  • Make sure you get a motor which already has a gear box attached, as it makes your robot much better controlled, more efficient, and stronger.
  • York Jong on 31 May 07
     
    This robot tutorial should help you with the mechanical aspect of building your very first robot. You should have already read my build your first robot tutorial before moving on to this tutorial.
York Jong

BEAM From the Ground Up - 0 views

bftgu.solarbotics.net/

5star beam electronics portal robot

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    Welcome to the leaner, cleaner, BEAM From the Ground Up! This site is designed to be a useful collection of material for BEAM roboticists of all experience levels and abilities. The unifying focus here is on learning -- so this is the place to look for tu
York Jong

BEAM Reference Library -- BEAMbot Pieces - 0 views

www.solarbotics.net/...default.htm

beam collection electronics portal robot

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    You'll be making use of a number of components in the creation of your BEAM robot. This section's pages describe the most-common of them.
York Jong

BEAMbot Circuits << BEAM Reference Library - 0 views

www.solarbotics.net/...default.htm

5star beam circuit electronics portal robot

shared by York Jong on 27 May 07 - Cached
  • York Jong on 27 May 07
     
    This section of the BEAM Reference Library is devoted to collecting designs (and links to designs hosted elsewhere) for circuits of interest to BEAMers.
York Jong

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
York Jong

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.
York Jong

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
York Jong

機器人本體製作指南 - 0 views

www.joyo.com/...detail.asp

book mechanics robot

shared by York Jong on 31 May 07 - Cached
  • York Jong on 31 May 07
     
    作者戈登‧麥庫姆在本書中著重講述了製作機器人本體所需要的基本概念以及特殊實現方法，並使得製作過程充滿了樂趣。戈登先生的寫作風格清晰易懂，並深受廣大機器人愛好者的喜愛；在本
York Jong

Introduction to Autonomous Mobile Robots - 0 views

www.amazon.com/...104-5150301-5775106

autonomous book mobile robot

shared by York Jong on 31 May 07 - Cached
  • York Jong on 31 May 07
     
    Mobile robots range from the teleoperated Sojourner on the Mars Pathfinder mission to cleaning robots in the Paris Metro. Introduction to Autonomous Mobile Robots offers students and other interested readers an overview of the technology of mobility -- th
York Jong

自律型機器人製作 - 0 views

www.waterlike.com.tw/bookdata.asp

autonomous book robot

shared by York Jong on 31 May 07 - Cached
  • York Jong on 31 May 07
     
    本書介紹了自律型機器人的種類，製作機器人所必須的電子元器件及其電路，H8微型機架構及插件板，機器人的五感及手、腳架構，相撲機器人、直線追蹤型機器人、小型機器人的製作。
York Jong

玩具機器人製作 - 0 views

www.newbooks.com.cn/...41178.html

book electronics robot toy

shared by York Jong on 31 May 07 - Cached
  • York Jong on 31 May 07
     
    BADSTRING
York Jong

自主移動機器人導論 - 0 views

www.gzbookcenter.com/...view.jsp

autonomous book mobile robot

shared by York Jong on 31 May 07 - Cached
  • York Jong on 31 May 07
     
    任何成功的機器人的設計涉及到運動學、信號分析、信息論、人工智能和概率論等多個不同學科的綜合。為此，本書提出了在一系列交互模塊中，使移動性成為可能的技術和製作工藝。隨著各章
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