Robotics Review

Topics: Control theory, Robotics, Sensors Pages: 3 (902 words) Published: May 10, 2013
1. Behavior – based robotics uses a particular concept in artificial intelligence (AI) sometimes referred to as “weak AI”. What does that mean? 2. What is a robot – an autonomous system which exists in the physical world and can sense its environment and act on its own to achieve some goals. 3. A teleoperated robot is controlled by a human

4. Is a thermostat a robot? No, it is only programmed to respond to the environment. 5. We call machines with properties similar to those of biological systems biometric meaning that they imitate biological systems in some way. 6. Describe the difference between effectors and actuators. a. Effectors are any device on a robot that has an effect on the environment. b. Actuators are used to actually control the movement. 7. In general effectors are used for two basic purposes: Manipulation or navigation. 8. The helicopter has 6 degrees of freedom… x,y,z,roll,pitch,yaw 9. How many degrees of freedom are there for a conventional car and how many total are there? – There are 2 controllable DOF and 3 total. 10. Explain the difference between holonomic and non-holonomic robots? – A holonomic robot can control all its degrees of freedom while non-holobomic robots have more degrees of freedom than they can control. 11. The human arm has 7 degrees of freedom and it is redundant 12. What is meant by a saying a robot is anthropomorphic? Is this feature always necessary for the robot to perform a task? It means that the robot is human like and it gives the robot mor e control to perform some tasks. 13. Do sensors provide state to a robot? No they do not provide physical state of a robot, the give the ohysical properties of the environment. 14. True or False, a switch is a passive sensor. (true) 15. The table below for sensors….

c. Contact – bump
d. Distance – infared
e. Light – photo sensor (photocells)
f. Sound - Microphone
g. Temperature –...
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