Validation of a simple relay-based PID autotuner with specified modulus margin

Joita, Oana-Lucia; Keyser, Robin De

doi:10.1109/aqtr.2012.6237688

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Proposed Autotuning Algorithm1

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2013

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“…This method of autotuning has been successfully validated on numerous examples for single input-single output systems [12,13].…”

Section: Proposed Autotuning Algorithmmentioning

confidence: 99%

Validation of a multivariable relay-based PID autotuner with specified robustness

Keyser

Maxim

Copot

et al. 2013

2013 IEEE 18th Conference on Emerging Technologies &Amp; Factory Automation (ETFA)

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This paper presents a multivariable relay-based PID autotuning strategy, which ensures a specified modulus margin (i.e. robustness). The algorithm is applied on the coupled quadruple tanks from Quanser. The system is challenging for control since it presents non-minimum phase transmission zeros. The performance of the autotuner is validated against a computer-aided design tool based on the frequency response, i.e. FRTool. The experimental results suggest that the proposed autotuning procedure has similar performance as the control design based on full knowledge of the system. This is a remarkable conclusion and provides a good motivation to claim that our algorithm may be useful in chemical process applications where full knowledge of the systems model is still a burden for the control engineer.

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“…This method of autotuning has been successfully validated on numerous examples for single input-single output systems [12,13].…”

Section: Proposed Autotuning Algorithmmentioning

confidence: 99%