Mostafa M Nasseri - University of Science and Technology of Iran,
Hamid Abdollahi - National Iranian South Oil Company (NISOC), Iran
Majid Ghiass - Polymer and Petrochemical Institute (IPPI)

A fractional order PID (FOPID) was applied to the temperature control of a batch polymerization reactor for methyle methacrylate polymerization and the trackingperformance along the optimal temperature trajectory was investigated