6. Discrete-Time Control Systems. control continuous-time Analog-to-Digital system consists of four major parts: 1. The Plant which is a dynamic system -First order time lag. 2. The Converter (ADC). 3. The Controller(uP), a microprocessor with a "real-time" OS. 4. The Digital-to-Analog Converter (DAC). Let T is the sampling time, T-1 sec. The output of the block µP is signal U(k) again only defined at certain moment in time (k). Hold elements transform this variable into a continuous-time signal with Zero-Order Holds (ZOH). 6.1 Draw

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6. Discrete-Time Control Systems. The discrete-time control
system consists of four major parts: 1. The Plant which is a
continuous-time dynamic system -First order time lag. 2. The
Analog-to-Digital Converter (ADC). 3. The Controller(µP), a
microprocessor with a "real-time" OS. 4. The Digital-to-Analog
Converter (DAC). Let T is the sampling time, T=1 sec. The
output of the block uP is signal U(k) again only defined at certain
moment in time (k). Hold elements transform this variable into a
continuous-time signal with Zero-Order Holds (ZOH). 6.1 Draw
a functional block diagram of such control system. 6.2 Find the
discrete transfer function of Plant. Let the Controller(µP) is PI
control algorithm. 6.3 Find the discrete transfer function of PI
control algorithm. 6.4 Describe the functions of control system
major parts with important hardware and software specifics.
Transcribed Image Text:6. Discrete-Time Control Systems. The discrete-time control system consists of four major parts: 1. The Plant which is a continuous-time dynamic system -First order time lag. 2. The Analog-to-Digital Converter (ADC). 3. The Controller(µP), a microprocessor with a "real-time" OS. 4. The Digital-to-Analog Converter (DAC). Let T is the sampling time, T=1 sec. The output of the block uP is signal U(k) again only defined at certain moment in time (k). Hold elements transform this variable into a continuous-time signal with Zero-Order Holds (ZOH). 6.1 Draw a functional block diagram of such control system. 6.2 Find the discrete transfer function of Plant. Let the Controller(µP) is PI control algorithm. 6.3 Find the discrete transfer function of PI control algorithm. 6.4 Describe the functions of control system major parts with important hardware and software specifics.
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