As well-known, linear motors are widely applied to various industrial applications due to their abilities in providing directly straight movement without auxiliary mechanical transmissions. This paper addresses the sensorless control problem of tubular linear synchronous motors, which belong to a family of permanent magnet linear motor. To be specific, a novel velocity observer is proposed to deal with an unmeasurable velocity problem, and asymptotic convergence of the observer error is ensured. Unlike other studies on sensorless control methods for linear motors, our proposed observer is designed by regrading unknown disturbance load in the tracking control problem whereas considering theoretical demonstrations. By adjusting controller parameters properly, the position and velocity tracking error converge in arbitrary small values. Finally, the effectiveness of the proposed method is verified in two illustrative examples.
Collaboration network of the authors
9 authors ·
16 co-authorship links
· 12 across different organisations
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Thai Nguyen University of Technology
Hanoi University of Science and Technology
University of Technology Sydney
Hanoi University
Le Quy Don Technical University
Hung Yen University of Technology and Education
Different organisations
Same organisation
Affiliation unknown
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