Rekabentuk sebuah programmable logic controller berasaskan petri net; Design of a single-exeis Dc servo motor controller incorporating a second order digital filter compensition network to improve system dynamics; Relay checker and grader; Optimal solar tracking system; Development of general purpose embedded microcomputer digital controller using a high level language; Analysis and design of robust controller for single input control system; Temperature control system; Implementing a graphical user interface for a microcomputer controller in a steam plant; Hardware development for PC based controller system (PBCS)