Digital contrs
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Digital control uses digital computers as system controllers, taking the form of microcontrollers, ASICs, or desktop computers. Since digital computers are discrete systems, the Z-transform replaces the Laplace transform in analysis. Care must be taken to address errors from quantization, A/D and D/A conversion to avoid unintended effects. Digital control is widely applied through feedback and has advantages of being inexpensive, flexible, scalable, adaptable, and static operating compared to analog systems using capacitors and inductors.
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