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Tuning of PIDD2 controllers for oscillatory systems with time delays
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Proportional–integral–derivative (PID) control is a durable control technology that has been widely applied in the process control industry. However, PID controllers cannot achieve satisfactory performance for oscillatory systems with long time delays; thus, high-order controllers like the proportional–integral–double derivative (PIDD2) can be adopted to enhance the control performance. In this paper, we propose a tuning formula for the PIDD2 controller for oscillatory systems with time delays and its practical implementation via an observer bandwidth-based state-space PIDD2. Simulation results show that the state-space PIDD2 controller tuned from the proposed formula trades-off among robustness, time domain performance, and measurement noise attenuation and can arrive at a better control effect than PID for oscillatory systems.
Title: Tuning of PIDD2 controllers for oscillatory systems with time delays
Description:
Proportional–integral–derivative (PID) control is a durable control technology that has been widely applied in the process control industry.
However, PID controllers cannot achieve satisfactory performance for oscillatory systems with long time delays; thus, high-order controllers like the proportional–integral–double derivative (PIDD2) can be adopted to enhance the control performance.
In this paper, we propose a tuning formula for the PIDD2 controller for oscillatory systems with time delays and its practical implementation via an observer bandwidth-based state-space PIDD2.
Simulation results show that the state-space PIDD2 controller tuned from the proposed formula trades-off among robustness, time domain performance, and measurement noise attenuation and can arrive at a better control effect than PID for oscillatory systems.
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