K. Ray

Microprocessor controlled sinusoidal pulse width modulated invereter-fed three-phase cage induction motor drive system

S. Mazumdar, A. Sutradhar, K. Ray, 1990 .

Microprocessor based precision bidirectional speed measuring system using pulse tachometer

J. Chattopadhyay, A. Sutradhar, K. Ray, 1989 .