Robotics Technologies microBus-Cam II User Manual

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10
Development of Mobile Robot
Based on I
2
C Bus System
Surachai Panich
Srinakharinwirot University
Thailand
1. Introduction
Mobile robots are widely researched in many applications and almost every major
university has labs on mobile robot research. Also mobile robots are found in industry,
military and security environments. For entertainment they appear as consumer services.
They are most generally wheeled, but legged robots are more available in many applications
too. Mobile robots have ability to move around in their environment. Mobile robot
researches as autonomously guided robot use some information about its current location
from sensors to reach goals. The current position of mobile robot can be calculated by using
sensors such motor encoders, vision, Stereopsis, lasers and global positioning systems.
Engineering and computer science are core elements of mobile robot, obviously, but when
questions of intelligent behavior arise, artificial intelligence, cognitive science, psychology
and philosophy offer hypotheses and answers. Analysis of system components, for example
through error calculations, statistical evaluations etc. are the domain of mathematics, and
regarding the analysis of whole systems physics proposes explanations, for example
through chaos theory.
This book chapter focuses on mobile robot system. Specifically, building a working mobile
robot generally requires the knowledge of electronic, electrical, mechanical, and computer
software technology. In this book chapter all aspects of mobile robot are deeply explained,
such as software and hardware design and technique of data communication.
2. History of mobile robots (Wikipedia, 2011)
During World War II, the first mobile robots emerged as a result of technical advances on a
number of relatively new research fields like computer science and cybernetics. W. Grey
Walter constructed Elmer and Elsie, which were equipped with a light sensor. If they found
a light source, they would move towards it, avoiding or moving obstacles. The Johns
Hopkins University develops mobile robot named Beast. Beast used sonar to move around.
Mowbot was the first automatically mobile robot to mow the lawn. The Stanford Cart for
line follower was a mobile robot, which can follow a white line by using a camera. The
mobile robot is developed to navigate its way through obstacle courses and make maps of
its environment. The Stanford Research Institute researched on Shakey mobile robot. Shakey
had a camera, a rangefinder, bump sensors and a radio link. The Soviet Union explores the
surface of the moon with Lunokhod 1, a lunar rover as shown in Fig.1.
www.intechopen.com
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Summary of Contents

Page 1 - C Bus System

10 Development of Mobile Robot Based on I2C Bus System Surachai Panich Srinakharinwirot University Thailand 1. Introduction Mobile robots are widely

Page 2

Mobile Robots – Current Trends 202 The eighth bit (read or write bit) after the start bit specifies whether the slave is now to receive or to transm

Page 3

Development of Mobile Robot Based on I2C Bus System 203 The AMRO is driven by two wheels and a caster powered by an MD25 Dual 5A controller. The MD2

Page 4

Mobile Robots – Current Trends 204 Fig. 20. The AMRO’s system control 5.2 The communication between robot and I2C bus devices (Panich, 2008) Surac

Page 5

Development of Mobile Robot Based on I2C Bus System 205 The PC station and RF radio module are selected to produce signal and work as master device.

Page 6 - 3. Related work

Mobile Robots – Current Trends 206 information as shown in Fig. 23. In order to microcontroller can work on the I2C bus system, it must be specified

Page 7

Development of Mobile Robot Based on I2C Bus System 207 Input Velocity. During connection with robot, the PC can send command to the robot and recei

Page 8

Mobile Robots – Current Trends 208 Fig. 26. Start and stop condition of two lines This condition is a HIGH to LOW transition on the SDA line while

Page 9 - C bus system overview

Development of Mobile Robot Based on I2C Bus System 209 The examples of function ordering to connect a slave device through I2C bus to receive data

Page 10 - C bus system

Mobile Robots – Current Trends 210 The estimated position and heading can be detailed in software called PAMRO developed by Visual C++ as shown in F

Page 11

Development of Mobile Robot Based on I2C Bus System 211 Step 3 : I2C_ACK ( ), Step 4 : I2C_SEND ( ) – Enable analog output, single mode and anal

Page 12

Mobile Robots – Current Trends 194 Fig. 1. A model of the Soviet Lunokhod-1 Moon rover released by the Science Photo Library Fig. 2. Helpmate, au

Page 13

Mobile Robots – Current Trends 212 Step 10 : I2C_ACK ( ), Step 11 : I2C_RECEIVE ( ) – Read LSB of temperature register, Step 12 : I2C_ACK ( ),

Page 14

Development of Mobile Robot Based on I2C Bus System 213 7. Acknowledgement This research from Measurement and Mobile Robot Laboratory (M & M LAB

Page 15

Mobile Robots – Current Trends 214 Wikipedia (June 2011). Mobile robot, Wikipedia; the free encyclopedia, Available URL: http://en.wikipedia.org/wik

Page 16

Mobile Robots - Current TrendsEdited by Dr. Zoran GacovskiISBN 978-953-307-716-1Hard cover, 402 pagesPublisher InTechPublished online 26, October, 201

Page 17 - Δd=Δdsinψ

Development of Mobile Robot Based on I2C Bus System 195 Fig. 3. Dante II developed by Carnegie Mellon University The twin robot vehicles VaMP and V

Page 18

Mobile Robots – Current Trends 196 Fig. 5. Aibo, Sony The PackBot remote-controlled military mobile robot is introduced as shown in Fig.6. PackBot

Page 19

Development of Mobile Robot Based on I2C Bus System 197 Fig. 7. Swarm bots: insect colonies behavior Fig. 8. Robosapien designed by Mark Tilden S

Page 20 - 6. Conclusion

Mobile Robots – Current Trends 198 The Tug as shown in Fig.10 becomes a popular means for hospitals to move large cabinets of stock from place to pl

Page 21 - 8. References

Development of Mobile Robot Based on I2C Bus System 199 Fig. 12. Mobile robot system developed by Shibaura institute of technology It is necessary

Page 22 - The TIDE 98

Mobile Robots – Current Trends 200 The communications protocol and CAN master process are implemented in figure 14 showing the different slaves are

Page 23

Development of Mobile Robot Based on I2C Bus System 201 component for hardware reconfiguration is implemented in the FPGA. Multiple sensors and actu

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