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This work is to provide a systematic loss minimizing solution for general dynamic load profiles on induction machines, without compromising desired torque dynamics. The drives use deadbeat-direct torque and flux control (DB-DTFC), in which torque production and stator flux linkage are fully decoupled and the Volt-sec (incremental stator flux linkage) vectors are the manipulated inputs. Stator flux...
This paper presents time-optimal control of an interior permanent-magnet synchronous machine (IPMSM) in voltage-limited and current-limited conditions using deadbeatdirect torque and flux control (DB-DTFC). A commanded air-gap torque and flux can be achieved by the end of each pulse width modulation (PWM) period using the DB-DTFC. However, it may take several PWM periods to achieve a desired torque...
This paper presents time optimal control of an interior permanent magnet synchronous machine (IPMSM) in voltage- and current- limited conditions using deadbeat-direct torque and flux control (DB-DTFC). A commanded air-gap torque and flux can be achieved by the end of each PWM period using DB-DTFC. However, it may take several PWM periods to achieve a desired torque that is physically infeasible in...
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