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A microcomputer-based control and simulation of an advanced IPM synchronous machine drive system for electric vehicle propulsion

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2 Author(s)
Bose, B.K. ; General Electric Res. & Dev. Center, Schenectady, NY, USA ; Szczesny, P.M.

Describes a high-performance microcomputer-based control and digital simulation of an inverter-fed interior permanent magnet (IPM) synchronous machine that uses a neodymium-iron-boron magnet. The fully operational four-quadrant drive system includes a constant-torque region with zero speed operation and a high-speed field-weakening constant-power region. The control uses the vector or field-oriented technique in constant-torque region with the direct axis aligned to the stator flux, whereas the constant-power region control is based on torque angle orientation of the impressed square-wave voltage. All the key feedback signals for the control are estimated with precision. The drive system is basically designed with an outer torque control loop for electric vehicle application, but speed and position control loops can be added for other industrial applications. The distributed microcomputer-based control system is based on Intel-8096 microcontroller and Texas Instruments TMS32010 type digital signal processor

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Industrial Electronics, IEEE Transactions on  (Volume:35 ,  Issue: 4 )