Optimal control of electrical drives with induction motors for variable torques

Botan, C.; Ratoi, M.; Horga, Vasile

doi:10.1109/epepemc.2008.4635416

Cited by 8 publications

(2 citation statements)

References 8 publications

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“…Another solution presented in [7] and consists of simple controller with cascaded structure, but the values of torque load should be known for calculations of optimal trajectory.…”

Section: Preliminary Versionmentioning

confidence: 99%

Energy Efficient Control of an Induction Machine Under Torque Step Changes

Borisevich

Schullerus

2016

IEEE Trans. Energy Convers.

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Optimal control of magnetizing current for minimizing induction motor power losses during load torque step change was developed. Original problem was slightly simplified and exactly optimal control was obtained for modified formulation. Obtained strategy has feedback form and is exactly optimal for ideal speed controller performance and absence of saturation in motor. Then original and simplified problem was compared in terms of quality of result and little difference found. The impact of limited bandwidth of real speed controller is analyzed. For case of main induction saturation the sub-optimal optimal control is suggested. Relative accuracy of sub-optimality is studied. Hardware implementation of optimal strategy and experimentation conducted with induction motors under vector control.

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“…Another solution presented in [7] and consists of simple controller with cascaded structure, but the values of torque load should be known for calculations of optimal trajectory.…”

Section: Preliminary Versionmentioning

confidence: 99%

Energy Efficient Control of an Induction Machine Under Torque Step Changes

Borisevich

Schullerus

2016

IEEE Trans. Energy Convers.

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“…The results are stored as a lookup table on the controller. Other works [11][12][13] used Pontryagin's minimum principle for obtaining the maximum torque per current input, but also in these cases, only offline numerical solutions are given, and the control is performed by means of lookup tables. Another mathematical approach involves the use of the calculus of variations, as shown in [14,15] and [16].…”

Section: Introductionmentioning

confidence: 99%

Maximum Torque Per Watt (MTPW) field-oriented control of induction motor

2021

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A new field-oriented control strategy for induction motor is proposed in the paper. It is called Maximum Torque Per Watt (MTPW) and allows obtaining the minimum value of the sum of the stator and rotor losses due to joule effect, and of the iron losses, for a given value of the reference torque and of the motor speed. Iron losses have been modeled according to Steinmetz equation, separating hysteresis and eddy currents and taking into account the dependence both on the frequency and on the peak value of the flux density. Numerical and experimental results are presented to confirm the validity of the proposed approach, which allows achieving significant improvements in the efficiency of induction motor drive.

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Loss Minimization of Induction Motors in a Transient Regime

Abdelati

Mimouni

2020

Electric Power Components and Systems

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Optimal control of electrical drives with induction motors for variable torques

Cited by 8 publications

References 8 publications

Energy Efficient Control of an Induction Machine Under Torque Step Changes

Energy Efficient Control of an Induction Machine Under Torque Step Changes

Maximum Torque Per Watt (MTPW) field-oriented control of induction motor

Loss Minimization of Induction Motors in a Transient Regime

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