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A mechanical parameter estimation algorithm for permanent magnet synchronous motor (PMSM) drive system basing on sliding mode observer is proposed in this paper. First, an extended sliding mode mechanical parameter observer (ESMMPO) is presented to track system disturbances in real time. Based on this ESMMPO, a simple algorithm for mechanical parameter estimation of the PMSM control system is presented...
Total least squares method is applied to design the optimal control strategy for descriptor systems through the noise polluted input and output data. The traditional controller design schemes are ideally, i.e., the input-output data is treated with no noise disturbance, or only the error of the output data is considered. However, if the input and output data are both disturbance by the noise, the...
Theoretically analysis, and an in-depth research was made carried out on the implementation of force decoupling control of hydraulic shaking table. Because controlled DOF is 6 and the platform has 8 exciters, the whole control system is statically indeterminate, and this layout would produce huge endogenetic force during operation, so a pressure stabilized controller is used to reduce the force. The...
This paper presents a new and effective multisensor based control strategy for high-accuracy/precision and high-efficiency automatic robot localization and calibration. The strategy combines both coarsely visual servo and fine position-sensitive detector (PSD) servo control methods. In a large field of view, an image-based visual servo control system is developed to roughly guide the laser beam, which...
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