Estimator initialization circuit and method for a sensorless swi

Details Estimator initialization circuit and method for a sensorless swi Estimator initialization circuit and method for a sensorless swi

1996-04-09

1997-11-18

Wysocki, Jonathan

Electricity: motive power systems

Synchronous motor systems

Hysteresis or reluctance motor systems

318254, H02P 700

Patent

active

056891652

ABSTRACT:
An estimator initialization circuit for a sensorless switched reluctance machine system pulses phase windings of the machine a certain number of times and derives initial values for an estimator of the system.

REFERENCES:
patent: 4611157 (1986-09-01), Miller et al.
patent: 4642543 (1987-02-01), MacMinn
patent: 4772839 (1988-09-01), MacMinn etal.
patent: 4959596 (1990-09-01), MacMinn et al.
patent: 5097190 (1992-03-01), Lyons et al.
patent: 5107195 (1992-04-01), Lyons et al.
patent: 5140244 (1992-08-01), Lyons et al.
patent: 5448149 (1995-09-01), Ehsani et al.
patent: 5467025 (1995-11-01), Ray
Design and Implementation of a Five Horsepower, Switched Reluctance, Fuel-Lube, Pump Motor Drive for a Gas Turbine Engine written by Caio A. Ferreira, Stephen R. Jones, Barry T. Drager and William S. Heglund, IEEE Ninth Annual Applied Power Electronics Conference and Exposition, Feb. 13-17, 1994.
Practical Indirect Position Sensing for a Variable Reluctance Motor written by Walter D. Harris and submitted to the Massachusetts Institute of Technology, May 1987.
A Simple Motion Estimator for Variable-Reluctance Motors, written by Walter D. Harris and Jeffrey H. Lang, published in IEEE, vol. 26, No. 2. Mar./Apr. 1990.
Low Cost Sensorless Switched Reluctance Motor Drives For Automotive Applications written by M. Ehsani and I. Husain, (members IEEE) Power Electronics Laboratory, Dept. Of Electrical Engineering, Texas A&M University, College Station, TX. pp. 96-101.
Applications of Sensor Integration Techniques to Switched Reluctance Motor Drives written by Stephen R. MacMinn, William J. Rzesos, Paul M. Szczesny and Thomas M. Jahns, published in IEEE vol. 28, No. 6, Nov./Dec. 1992.
An Analysis of the Error in Indirect Rotor Position Sensing of Switched Reluctance Motors written by M. Ehsani, I. Husain and K.R. Ramani, Department of Electrical Engineering, Texas A&M University, College Station, Texas.
New Modulation Encoding Techniques for Indirect Rotor Position Sensing in Switched Relectance Motors, written by Mehrdad Ehsani, Iqbal Husain, S. Mahajan, and K.R. Ramani, published in IEEE, vol. 30, No. 1, Jan./Feb. 1994.
Flux/Current Methods for SRM Rotor Position Estimation, written by J.P. Lyons, S.R. MacMinn and M.A. Preston, published in May 1991 IEEE.

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