Enhanced predictive ratio control of interacting systems

Nguyen, Minh Hoang-Tuan; Tan, Kok Kiong; Huang, Sunan

doi:10.1016/j.jprocont.2011.04.002

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Cited by 6 publications

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“…Both MPCs are designed with control horizon N = 5 and weighting matrices Q = diag{10 4 , 0.5, 10 4 }, R = 0.001. The choice of Q, R is tuned by the guideline in [11]. Fig.…”

Section: A Simulation Studiesmentioning

confidence: 99%

Robust precision positioning control on linear ultrasonic motor

Nguyen

Tan

Liang

et al. 2013

2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics

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Ultrasonic motors used in high-precision mechatronics are characterized by strong frictional effects, which are among the main problems in precision motion control. The traditional methods apply model-based nonlinear feedforward to compensate the friction, thus requiring closed-loop stability and safety constraint considerations. Implementation of these methods requires computation power. This paper introduces a systematic approach using piecewise affine models to emulate the friction effect of the motor motion. The well-known model predictive control method is employed to deal with piecewise affine models. The increased complexity of the model offers a higher tracking precision on a simpler gain scheduling scheme.

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“…Both MPCs are designed with control horizon N = 5 and weighting matrices Q = diag{10 4 , 0.5, 10 4 }, R = 0.001. The choice of Q, R is tuned by the guideline in [11]. Fig.…”

Section: A Simulation Studiesmentioning

confidence: 99%