A position-and-velocity sensorless control for brushless DC motors using an adaptive sliding mode observer
- 1 April 1992
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Industrial Electronics
- Vol. 39 (2) , 89-95
- https://doi.org/10.1109/41.166729
Abstract
The sliding mode observer is robust to measurement noises. Since the switching signals of the sliding mode observer contain the induced voltages of the motors, it is possible to obtain the position and velocity of the motors directly from the switching signals. Although the estimated position can be used for locating the position of the rotor, the estimated velocity is heavily contaminated by noises from the switching signals. This direct method nullifies the merit of the sliding mode observer. Thus, the authors also present an adaptive scheme for robust estimation of the velocity of brushless DC motors. Stability of the adaptive scheme is assured, and estimation errors due to parameter deviations are analyzed. A method of parameter adjustment is described.<>Keywords
This publication has 5 references indexed in Scilit:
- Improved variable speed sensorless servo system by disturbance observerPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2002
- On Sliding Observers for Nonlinear SystemsJournal of Dynamic Systems, Measurement, and Control, 1987
- Dynamic Simulation of Radially Oriented Permanent Magnet-Type Electronically Operated Synchronous Machines with Parameters Obtained from Finite Element Field SolutionsIEEE Transactions on Industry Applications, 1982
- Application of Sliding Modes to Induction Motor ControlIEEE Transactions on Industry Applications, 1981
- Controller Design for a Manipulator Using Theory of Variable Structure SystemsIEEE Transactions on Systems, Man, and Cybernetics, 1978