Feedback Control of Dynamic Systems¶
Franklin, G. F., Powell, J. D., & Emami-Naeini, A. (2015). Feedback Control of Dynamic Systems. Pearson.
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Primes¶
- Aliasing
- In control systems, a feedback loop sampling a plant's output below its natural-frequency dynamics folds those dynamics into the control band, destabilizing a loop that would be stable at a higher rate — which is why digital control of fast processes (power electronics, robotics) demands high sampling rates.
This sourceStandard reference for digital control, sampling-rate selection, and aliasing of plant dynamics into the control band destabilizing a too-slowly-sampled loop.
- In control systems, a feedback loop sampling a plant's output below its natural-frequency dynamics folds those dynamics into the control band, destabilizing a loop that would be stable at a higher rate — which is why digital control of fast processes (power electronics, robotics) demands high sampling rates.
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