●AK-STEP Summary

AK-STEP is an all-in-one unit. In other word, a motor and a driver are integrated seamlessly together. Because it is an all-in-one unit product,AK-STEP makes it possible to apply many functions compared with a conventional stepping motor, such as the sensor less detection of the loss of synchronization, smooth control over the whole velocity range by software damping control, and no vibration at the low speed range.

For high-speed and high-precision drive of a stepping motor,AK-STEP is an unique driver that adopts a new control scheme owing to an on-board high-performance digital signal processor. With an unique position estimation algorithm it instantaneously detects an out-of-synchronization in the rotor position of the stepping motor, which is not an easy task in a conventional stepping motor and drive (effective only over 300 rpm). Utilizing a software damping and filtering method, a high speed actuation is realized by the exciting angle control of a step-angle.
The resolution ofAK-STEP can be improved from basic 1.8° up to 0.0072°(1/250). In addition it generates various signals including loss-of-synchronization alarm.