초록 ▼

Methods and systems are presented for closed loop motor speed and torque control without a sensor at the motor, in which configuration parameters are received from a user interface to define operating characteristics of a filter, a transformer, a cable, and the motor coupled with the output of a mot

Methods and systems are presented for closed loop motor speed and torque control without a sensor at the motor, in which configuration parameters are received from a user interface to define operating characteristics of a filter, a transformer, a cable, and the motor coupled with the output of a motor drive, and an object model of the motor drive is configured according to the filter, transformer, cable and motor configuration parameters to facilitate sensorless closed loop motor speed and/or torque control.

대표청구항 ▼

1. A method of configuring a motor drive to facilitate sensorless closed loop control of at least one of speed and torque of a motor, the method comprising: receiving at least one filter configuration parameter defining an operating characteristic of a filter coupled with an output of a motor drive;

1. A method of configuring a motor drive to facilitate sensorless closed loop control of at least one of speed and torque of a motor, the method comprising: receiving at least one filter configuration parameter defining an operating characteristic of a filter coupled with an output of a motor drive;receiving at least one transformer configuration parameter defining an operating characteristic of a transformer with primary windings coupled with an output of the filter;receiving at least one motor configuration parameter defining an operating characteristic of a motor coupled with secondary windings of the transformer; andconfiguring an object model of the motor drive according to the filter, transformer, and motor configuration parameters. 2. The method of claim 1, comprising: receiving at least one cable configuration parameter defining an operating characteristic of a cable coupled between the motor and the secondary windings of the transformer; andconfiguring the object model according to the filter, transformer, cable and motor configuration parameters. 3. The method of claim 2, wherein the cable configuration parameter is one of a cable length, a cable resistance, and a cable inductance. 4. The method of claim 1, wherein the filter configuration parameter is one of a filter resistance, a filter inductance and a filter capacitance. 5. The method of claim 1, wherein the transformer configuration parameter is one of a transformer primary voltage, a transformer secondary voltage, a transformer rated kVA, a transformer impedance, a transformer reactance, a transformer frequency, and a transformer phase shift. 6. The method of claim 1, wherein the motor configuration parameter is one of a motor no load voltage, a motor full load voltage, a motor normal duty amps, a motor stator resistance, a total inertia, a D axis no load inductance, a Q axis no load inductance, a D axis saturation curve, and a Q axis saturation curve. 7. The method of claim 1, comprising: receiving at least one maximum starting torque configuration parameter defining closed loop control to accelerate the motor; andconfiguring the motor drive according to the maximum starting torque configuration parameter. 8. The method of claim 7, wherein the maximum starting torque configuration parameter is one of a low speed torque limit, a low speed ramp rate, a low speed current reference frequency, a low speed ramp hold, a low speed to high-speed frequency, a low speed idq bandwidth, a low speed idq damping, and a low speed stability gain. 9. The method of claim 1, comprising: receiving at least one reversing parameter defining control to reverse the motor through zero speed; andconfiguring the motor drive according to the reversing parameter. 10. The method of claim 9, wherein the reversing parameter is one of a high speed to low speed frequency, a low speed minimum frequency, a low speed change direction frequency, a reverse ramp rate control, a forward ramp rate control, and a hold ramp rate control. 11. The method of claim 1, comprising: receiving at least one closed loop control parameter defining control to regulate at least one of motor speed and motor torque without speed feedback; andconfiguring the motor drive according to the closed loop control parameter. 12. The method of claim 11, wherein the closed loop control parameter is one of a speed regulator bandwidth, a high-speed id bandwidth, a high-speed id damping, a high-speed iq bandwidth, a high-speed iq damping, a high-speed estimation Ki gain, a high-speed estimation Kp gain, a high-speed estimation Ki adjust, a high speed feed forward gain, and a theta phase locked loop offset. 13. The method of claim 1, comprising storing a configuration file including the object model in a control system. 14. The method of claim 1, comprising displaying at least one of the filter, transformer, and motor configuration parameters. 15. A system to configure a motor drive to facilitate sensorless closed loop control of at least one of speed and torque of a motor, comprising: at least one processor programmed to:receive at least one filter configuration parameter defining an operating characteristic of a filter coupled with an output of a motor drive;receive at least one transformer configuration parameter defining an operating characteristic of a transformer with primary windings coupled with an output of the filter;receive at least one motor configuration parameter defining an operating characteristic of a motor coupled with secondary windings of the transformer; andconfigure an object model of the motor drive according to the filter, transformer, and motor configuration parameters. 16. The system of claim 15, comprising a user interface to display at least one of the filter, transformer, and motor configuration parameters. 17. The system of claim 15, wherein the at least one processor is programmed to receive at least one cable configuration parameter defining an operating characteristic of a cable coupled between the motor and the secondary windings of the transformer; and configure the object model according to the filter, transformer, cable and motor configuration parameters. 18. A computer readable medium, comprising computer executable instructions for: receiving at least one filter configuration parameter defining an operating characteristic of a filter coupled with an output of a motor drive;receiving at least one transformer configuration parameter defining an operating characteristic of a transformer with primary windings coupled with an output of the filter;receiving at least one motor configuration parameter defining an operating characteristic of a motor coupled with secondary windings of the transformer; andconfiguring an object model of the motor drive according to the filter, transformer, and motor configuration parameters. 19. The computer readable medium of claim 18, comprising computer executable instructions for: receiving at least one cable configuration parameter defining an operating characteristic of a cable coupled between the motor and the secondary windings of the transformer; andconfiguring the object model according to the filter, transformer, cable and motor configuration parameters. 20. The computer readable medium of claim 19, wherein the cable configuration parameter is one of a cable length, a cable resistance, and a cable inductance. 21. The computer readable medium of claim 18, wherein the filter configuration parameter is one of a filter resistance, a filter inductance, and a filter capacitance. 22. The computer readable medium of claim 18, wherein the transformer configuration parameter is one of a transformer primary voltage, a transformer secondary voltage, a transformer rated kVA, a transformer impedance, a transformer reactance, a transformer frequency, and a transformer phase shift. 23. The computer readable medium of claim 18, wherein the motor configuration parameter is one of a motor no load voltage, a motor full load voltage, a motor normal duty amps, a motor stator resistance, a total inertia, a D axis no load inductance, a Q axis no load inductance, a D axis saturation curve, and a Q axis saturation curve. 24. A method of configuring a motor drive to facilitate sensorless closed loop control of at least one of speed and torque of a motor, the method comprising: receiving at least one configuration parameter indicating an autotuning operating mode of a motor drive; andconfiguring the motor drive according to the at least one configuration parameter to cause the motor drive to automatically determine at least one impedance value associated with a filter, a transformer, a motor cable and a motor connected to the motor drive, and to control a speed of the motor at least partially according to the determined impedance value.