Robotics 1 Exam Review questions with correct answers

What devices are used to control motors? CORRECT ANSWER A source of power and a manipulator What devices are used to measure speed? CORRECT ANSWER A tachometer What devices are used to measure or detect distance? CORRECT ANSWER Optical encoders and LVDTs How do encoders measure distance? CORRECT ANSWER Using a disk with slots What is a resolver and how is it used for control? CORRECT ANSWER They use electromagnetic principals to determine rotary position Open Loop CORRECT ANSWER The position and speed is not reported back moving only a fraction Closed Loop CORRECT ANSWER A desired distance and speed is set and monitored What are the parts that make up a power transmission system? CORRECT ANSWER Shafts, gears, chains, and more What are the parts that make up a rotary optical encoder? CORRECT ANSWER A photo electric sensor, a LED, and a painted disk