Special Electrical Machines E.g. Janardanan Pdf Free _best_ Jun 2026

Reverse piezoelectric effect – electrical signal causes vibration in piezoelectric ceramic (e.g., PZT). Vibrations drive rotor/slider via friction. Advantages: No magnetic field, nanometer precision, self-locking when off. Applications: Camera autofocus, medical pumps, MEMS positioning.

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: Contains a specific chapter on Permanent Magnet Axial Flux (PMAF) Machines , a topic rarely found in other textbooks by Indian authors. self-locking when off. Applications: Camera autofocus