By M. Ahmad
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References Bruce, F. ; Graefe, R. ; Lutz, A. & Panlener, M. D. (1984). Reduced-Voltage Starting of Squirrel-Cage Induction Motors. 1, (January/February 1984), pp. 46-55, ISSN 0093-9994. Colleran, P. J. & Rogers, W. E. (1983). Controlled Starting of AC Induction Motors. 6, (November/December 1983), pp. 1014-1018, ISSN 0093-9994. 46 Advances in Motor Torque Control Gritter, D. ; Wang, D. & Habetler, T. G. (2000). Soft Starter inside Delta Motor Modeling and Its Control, Proceedings of Industry Applications Conference, ISBN 0-7803-6401-5, Rome, Italy, October 2000.
1 Pattern 1: reference angle ∆θ*=-60(º) The experimental result is shown in Fig. 22. The graph of the angle shows that the technique did not cause the same steering interference as the reaction torque control based on the idealized model shown in Fig. 15; in addition, the proposed technique exhibited excellent performance in matching the reference angle of the front axle wheel. On the other hand, the Experimental Verification of Reaction Torque Control Based on Driver Sensitivity to Active Front Steering 29 graph of the steering torque shows that the technique could transmit a small amount of the reaction torque from the road surface to the driver.
When a pure integration is implemented in the discrete form, an error can arise. This error comprises the drift produced by the discrete integration and also the drift produced by measurement offset error present in the back electromotive force (Holtz, 2003), (Xu, X. & Novotny, D. W. 1991). A small DC component can drive the pure integration into saturation. , 2010) adopted a simple approach utilizing a low-pass filter to estimate the induction motor stator flux. As can be verified in Fig. 8, using the estimated stator flux and the measurement stator current, the instantaneous electromagnetic torque produced by the induction motor is obtained.
Advances in Motor Torque Control by M. Ahmad