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A mixed H2/H∞ robust inversion based 2DOF control approach for system with uncertainty

PENG ChaoZOU JianxiaoZHANG JianZou Qingze

School of Automation engineering,University of Electronic Science and Technology of China

摘要:To improve H2 and H∞ tracking control performance of continuous linear time-invariant(LTI) systems with uncertainty,a mixed H2/H∞ robust inversion based 2DOF control approach is proposed in this paper.In the proposed control approach,an optimal inversion-based feedforward controller is designed to minimize the weighted H2 norm of tracking error in the presence of worst system uncertainty.A robust feedback controller is designed to minimize the weighted H2 norm of tracking error and satisfy requirement of H∞ performance of entire control system.The simulation experiment results demonstrate that the proposed approach not only renders the requirement of H∞ performance satisfied,but also has better H2 tracking performance compared with the traditional inversion-based 2DOF control and H∞ mixed sensitivity feedback control approaches.
会议名称:

第35届中国控制会议

会议时间:

2016-07-27

会议地点:

中国四川成都

  • 专辑:

    电子技术及信息科学

  • 专题:

    自动化技术

  • 分类号:

    TP13

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