Robotics

Question 1

1A control system that uses sensor feedback to correct its output is

Easy

A. an open-loop system B. a manual system C. a closed-loop system D. a random system

Question 2

2A control system that uses feedback from sensors is

Easy

A. random B. closed-loop C. open-loop D. manual

Question 3

3An open-loop control system

Easy

A. does not use feedback B. always uses sensors C. is the same as PID D. corrects errors automatically

Question 4

4In a PID controller, the "I" stands for

Easy

A. input B. instant C. integral D. inverse

Question 5

5On–off (bang-bang) control switches an output

Easy

A. fully on or fully off B. only once C. randomly D. smoothly to any level

Question 6

6A toaster that runs for a set time without checking how brown the bread is, is an example of

Easy

A. PID control B. feedback control C. closed-loop control D. open-loop control

Question 7

7In a thermostat-controlled heater, the "set point" is the

Easy

A. desired temperature B. heater power C. actual temperature D. room size

Question 8

8In PID control, the letters stand for

Medium

A. Proportional, Integral, Derivative B. Program, Interface, Device C. Position, Inertia, Distance D. Power, Input, Drive

Question 9

9Increasing the proportional gain too much in a P controller usually causes

Hard

A. no change B. zero error C. overshoot and oscillation D. slower response always

Question 10

10Working out where a robot arm's gripper will be from its joint angles is

Hard

A. dynamics B. inverse kinematics C. forward kinematics D. calibration