1. Automatic Transfer Switch (ATS) Using Programmable Logic Controller (PLC;H Ashour;IEEE International Conference on Mechatronics,2004
2. Design and Implementation of PLC based Elevator;S B Carter;International Journal of Computer Applications,2013
3. Application of PLC for Elevator Control System;S Sharma;International Symposium on Devices MEMS Intelligent Systems and Communication (ISDMISC),2011
4. Automatic Control of Power Transfer System using PLC Techniques;Ismail A Hasan;Journal of Engineering and Applied Sciences,2019