Position control of linear motor by using enhanced cross-coupling algorithm
- Authors
- Han, Sangoh; Huh, Kunsoo
- Issue Date
- Mar-2010
- Publisher
- 대한기계학회
- Keywords
- Adaptive sliding mode control; Cross-coupling control; Force ripple; Friction force
- Citation
- Transactions of the Korean Society of Mechanical Engineers, A, v.34, no.3, pp.369 - 374
- Indexed
- SCOPUS
KCI
- Journal Title
- Transactions of the Korean Society of Mechanical Engineers, A
- Volume
- 34
- Number
- 3
- Start Page
- 369
- End Page
- 374
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/175309
- DOI
- 10.3795/KSME-A.2010.34.3.369
- ISSN
- 1226-4873
- Abstract
- Linear motors are easily affected by load disturbances, force ripples, friction, and parameter variations because there are no mechanical transmissions that can reduce the effects of model uncertainties and external disturbance. In this study, a nonlinear adaptive controller to achieve high-speed/high-accuracy position control of a two-axis linear motor is designed. The operation of this controller is based on a cross-coupling algorithm. Nonlinear effects such as friction and force ripples are estimated and compensated for. An enhanced cross-coupling algorithm is proposed for effectively improving the biaxial contour accuracy while achieving closed-loop stability. The proposed controller is evalvated by performing computer simulations.
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