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Transputer-based optimal PWM control of inverter drives

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2 Author(s)
Bowes, S.R. ; Dept. of Electr. & Electron. Eng., Bristol Univ., UK ; Clark, P.R.

New optimal PWM strategies for voltage source inverter (VSI) drives have been developed using modified regular sampling techniques. These new PWM strategies can be generated online in real time using a simple microprocessor software algorithm without resorting to the usual offline mainframe computer minimization techniques. Using these optimal regular sampling PWM techniques, it is possible to produce a PWM drive performance that closely approximates optimized PWM performance up to quasi-square-wave operation. The implementation of these optimal PWM strategies on the INMOS transputer is discussed, and the performance is confirmed using experimental results from a transputer-controlled experimental PWM inverter induction motor drive system

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Industry Applications, IEEE Transactions on  (Volume:28 ,  Issue: 1 )