Title :
Multi-level bang-bang control of DC motors using a PLC
Author :
Khoury, J.A. ; Chang, L. ; Sharaf, A.M.
Author_Institution :
Dept. of Electr. Eng., New Brunswick Univ., Fredericton, NB, Canada
Abstract :
Programmable logic controllers (PLC) have been widely used in industrial process control, due to their low cost, high reliability and integrated logic functions. This paper reports the development of the multi-level bang-bang control (MLBB) scheme, a simple and robust non-linear control algorithm for PLC implemented closed-loop control system. The developed MLBB algorithms have been tested and verified using a DC motor variable speed drive controlled by a PLC. Test results have shown that under MLBB regulation, the DC motor drive is capable of maintaining the desired speed under both speed demand changes and load variations
Keywords :
DC motors; bang-bang control; closed loop systems; electric drives; machine control; nonlinear control systems; programmable controllers; variable speed drives; velocity control; DC motors; closed-loop control system; industrial process control; load variations; multi-level bang-bang control; programmable logic controllers; robust nonlinear control algorithm; speed demand changes; variable speed drive; Bang-bang control; Control systems; Cost function; DC motors; Electrical equipment industry; Industrial control; Nonlinear control systems; Process control; Programmable control; Testing;
Conference_Titel :
Electrical and Computer Engineering, 1993. Canadian Conference on
Conference_Location :
Vancouver, BC
Print_ISBN :
0-7803-2416-1
DOI :
10.1109/CCECE.1993.332276
