Steppers and stationary bikes. IN Well and good [column] von Juan, Tina Aboitiz

Stepping motors a guide to theory and practice von Acarnley, P. P.

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An iterative modeling technique for the two-phase eight winding hybrid stepper motor for the calculation of instantaneous torque including magnetic saturation von Limcangco, Naomi O.

Sensorless closed-loop control of hybrid stepper motors with current regulation von Dizon, Robert O.