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Projection Algorithm-Based Dynamic Surface Control of Dual-Motor Driving Servo System with Backlash Nonlinearity

Haibo ZHAO, Chengguang WANG

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Summary :

Dual-motor driving servo systems are widely used in many military and civil fields. Since backlash nonlinearity affects the dynamic performance and steady-state tracking accuracy of these systems, it is necessary to study a control strategy to reduce its adverse effects. We first establish the state-space model of a system. To facilitate the design of the controller, we simplify the model based on the state-space model. Then, we design an adaptive controller combining a projection algorithm with dynamic surface control applied to a dual-motor driving servo system, which we believe to be the first, and analyze its stability. Simulation results show that projection algorithm-based dynamic surface control has smaller tracking error, faster tracking speed, and better robustness and stability than mere dynamic surface control. Finally, the experimental analysis validates the effectiveness of the proposed control algorithm.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E101-A No.10 pp.1646-1657
Publication Date
2018/10/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E101.A.1646
Type of Manuscript
PAPER
Category
Systems and Control

Authors

Haibo ZHAO
  Tongling University
Chengguang WANG
  the Sichuan Institute of Aerospace System Engineering

Keyword