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  • 标题:Experimental Speedup and Stability Validation for Multi-Step MPC
  • 本地全文:下载
  • 作者:Mohamed W. Mehrez ; Karl Worthmann ; George K.I. Mann
  • 期刊名称:IFAC PapersOnLine
  • 印刷版ISSN:2405-8963
  • 出版年度:2017
  • 卷号:50
  • 期号:1
  • 页码:8698-8703
  • DOI:10.1016/j.ifacol.2017.08.1551
  • 语种:English
  • 出版社:Elsevier
  • 摘要:AbstractIn this paper, we propose a multi-step model predictive control (MPC) scheme without stabilizing constraints and/or costs. Within this work, a relaxed Lyapunov inequality is employed to verify asymptotic stability of the MPC closed loop. To this end, prior work is adapted to a trajectory based setting. The approach works for shorter prediction horizons in comparison to single-step MPC, but requires to stay in open loop for longer periods of time. We propose a technique to mitigate this drawback during runtime of the algorithm such that we benefit from the inherent robustness of single-step MPC. Then, we present a prime experimental validation of the proposed control scheme on a skid-steering mobile robot and show that the computational effort is significantly reduced.
  • 关键词:Keywordsmodel predictive controlinherent robustnessprediction horizonexperimental validation
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