Control Systems Flashcards

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1
Q

computes the car’s current location

A

positioning module

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2
Q

dead-reckoning

A

method of calculating the current position of a moving object using its speed, orientation, starting position and time

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3
Q

algorithm for computing the shortest path

A

Dijkstras algorithm, A*

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4
Q

gps receivers+dead reckoning sensors

A

sensor-fusion algorithms

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5
Q

delibarative control principle

A

slow, strategical in searching and planning

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6
Q

route planning modules use ________ type od control

A

delibarative

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7
Q

For smart curtains we need:

A

1) sensor
2) software controller
3) motor

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8
Q

transducer

A

a device that transforms one physical quantity into another

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9
Q

sensor

A

transforms one physical quantity into an electrical signal

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10
Q

resistive sensor

A

piece of metal

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11
Q

semiconductor device thta changes resistance under the influence of light

A

photocell or photoresistor

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12
Q

photocell

A

semiconductor device thta changes resistance under the influence of light

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13
Q

they couple actions with specific sensed situations

A

condition-action rules

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14
Q

calibration table

A

shows the values of illumination at different times of day

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15
Q

AC motor

A

high-power applications withouth precision

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16
Q

DC motor

A

low-power high precision applications

17
Q

servomotor

A

DC motor+position sensing control system

18
Q

converts the digital signal produced by the controller into the right analog signal to activate the motor

A

driver device

19
Q

ranging sensors

A

they sense objects in their proximity

20
Q

sonar

A

work on the principal of echolocation

21
Q

radar

A

uses radiowaves

22
Q

LIDAR

A

uses light pulses; static and dynamic

23
Q

proportional feedback control algorithm

A

the controller produces a signal proportional to the error

24
Q

derivative component

A

depends on how fast the error changes

25
Q

integral component

A

reflects the cumulative error

26
Q

converts the digital signal produced by the controller into the right analog signal to activate the motor

A

driver device

27
Q

the controller produces a signal proportional to the error

A

proportional feedback control algorithm

28
Q

a graph provided by the sensor’s producer in a data sheet

A

sensitivity curve

29
Q

the tuning operation

A

callibration

30
Q

action from the measured quantity

A

measurand

31
Q

effect in the sensor

A

sensitive element