The NMP zero and dead-time systems are pervasive in process industries, significantly complicating controller design. Furthermore, when noise affects the system, it can lead to undesirable control actions, causing premature wear of actuators and undermining closed-loop performance. Using lower-order filters offers a compromise between setpoint tracking and robustness.

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Refined Series Cascade Control Techniques for Handling Non-minimum Phase Zeros and Dead Time in Control Systems

  • Manish Yadav,
  • Ashutosh K. Giri,
  • Stepan Ozana

摘要

The NMP zero and dead-time systems are pervasive in process industries, significantly complicating controller design. Furthermore, when noise affects the system, it can lead to undesirable control actions, causing premature wear of actuators and undermining closed-loop performance. Using lower-order filters offers a compromise between setpoint tracking and robustness.