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<p>This paper presents a decoupled design for periodic output feedback (POF)-based discrete sliding mode control (DSMC) of multivariable systems with more number of outputs than inputs. Designing efficient control techniques in multivariable systems with numerous outputs and control inputs is difficult due to the coupling of inputs-outputs and the complexity of feedback gain computation. To overcome this issue, a decoupled design for POF is developed, which simplifies the process by allowing each input to get feedback from fewer outputs than the direct design of a POF-based controller for multivariable systems, while ensuring closed-loop stability. The incorporation of DSMC into this decoupled POF framework makes the implementation and design of DSMC simpler. The proposed method is demonstrated by numerical examples with simulation results.</p>

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Decoupled Periodic Output Feedback -based Discrete Time Sliding Mode Control for Multivariable Systems

  • 期刊论文

  • 发表日期：

    2026年2月18日

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  • Ankita Kumari,
  • Dev Vrat Krishna,
  • Bijnan Bandyopadhyay,
  • Deepak Fulwani

摘要

This paper presents a decoupled design for periodic output feedback (POF)-based discrete sliding mode control (DSMC) of multivariable systems with more number of outputs than inputs. Designing efficient control techniques in multivariable systems with numerous outputs and control inputs is difficult due to the coupling of inputs-outputs and the complexity of feedback gain computation. To overcome this issue, a decoupled design for POF is developed, which simplifies the process by allowing each input to get feedback from fewer outputs than the direct design of a POF-based controller for multivariable systems, while ensuring closed-loop stability. The incorporation of DSMC into this decoupled POF framework makes the implementation and design of DSMC simpler. The proposed method is demonstrated by numerical examples with simulation results.