Four-quadrant operation drive strategy for a linear switched reluctance motor

This work presents a drive strategy for a linear motion switched reluctance motor that attempts to speed control with four-quadrant operation. The magnetization curves and phase inductance profiles are obtained experimentally. These are mathematically represented using Fourier series approach. A mathematical model to represent the machine dynamics is then developed and presented. A drive structure is proposed that covers the converter, the speed and current controllers, and the phase switching mode. Computational simulations are achieved by use of the mathematic model and the control strategy and include motions in both directions, comprising the start, speed control, and braking until total stop of the machine. From the results, the proposed drive strategy indicates a desirable operational versatility.

[1]  Ion Boldea,et al.  Linear electric actuators and generators , 1997, 1997 IEEE International Electric Machines and Drives Conference Record.

[2]  R. Krishnan,et al.  Steady-state analysis of the variable-speed switched-reluctance motor drive , 1989 .

[3]  I. Boldea,et al.  Linear Electric Actuators and Generators: Linear Electric Actuators and Generators , 1997 .

[4]  A. Michaelides,et al.  Switched reluctance drives: a comparative evaluation , 1995 .

[5]  M. Poloujadoff,et al.  Optimum design of longitudinal field variable reluctance motors-application to a high performance actuator , 1993 .

[6]  R. Krishnan,et al.  A linear switched reluctance motor: converter and control , 1999, Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370).

[7]  J. Corda,et al.  Linear switched reluctance actuator , 1993 .

[8]  D.A. Andrade,et al.  Characterization of switched reluctance machines using Fourier series approach , 2001, Conference Record of the 2001 IEEE Industry Applications Conference. 36th IAS Annual Meeting (Cat. No.01CH37248).

[9]  Timothy J. E. Miller,et al.  Switched Reluctance Motors and Their Control , 1993 .

[10]  R. Krishnan,et al.  Design of a linear switched reluctance machine , 1999, Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370).

[11]  Bimal K. Bose,et al.  Microcomputer Control of Switched Reluctance Motor , 1986, IEEE Transactions on Industry Applications.

[12]  S. Vukosavic,et al.  SRM inverter topologies: a comparative evaluation , 1990, Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting.

[13]  T.J.E. Miller,et al.  Optimal commutation in average torque control of switched reluctance motors , 1999 .

[14]  J.J. Cathey,et al.  A high force density linear switched reluctance machine , 1993, Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting.