\(H_\infty\) negative imaginary static output feedback controller for low frequency networked control systems. (English) Zbl 07913807
Summary: In this paper, an \(H_{\infty}\) negative imaginary static output feedback (SOF) controller is designed for a low frequency (LF) networked control system (NCS) with time-delays. A difference operator is introduced to deal with the time-delays in a feedback configuration via integral quadratic constraints (IQCs). Both \(H_{\infty}\) performance and negative imaginariness are analysed via LF IQCs and a generalised Kalman-Yakubovich-Popov (GKYP) lemma. A two-stage algorithm is presented to obtain the \(H_{\infty}\) negative imaginary SOF controller for the LF NCS with time-delays. Simulation results are given to show the effectiveness and superiority of the \(H_{\infty}\) negative imaginary SOF controller.
MSC:
| 93-XX | Systems theory; control |
Keywords:
networked control systems; low frequency; \( H_{\infty}\) static output feedback; negative imaginary; time-delaysReferences:
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