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Automation Systems - exercises - lecture 1

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Automation Systems - exercises - lecture 1

Lecturer: Jakub Mozaryn, e-mail: j.mozaryn@mchtr.pw.edu.pl April 17, 2017

NAME:

SURNAME:

GROUP:

1 Exercise 1

A precise optical signal source can control the output power level to within 1 percent. A laser is controlled by an input current to yield the power output.

A microprocessor controls the input current to the laser. The microprocessor compares the desired power level with a measured signal proportional to the laser power output obtained from a sensor. Sketch the block diagram representing this closed-loop control system.

2 Exercise 2

An automobile driver uses a control system to maintain the speed of the car at a prescribed level. Sketch a block diagram to illustrate this feedback system.

1

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