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Application of Fuzzy PID in Temperature Control of BGA Rework Station

  • 2013-09-19
  • 160.08KB
  • Points it Requires : 1

Aiming at the large inertia and long delay of the temperature control system, a fuzzy self-tuning PID controller is designed according to the fuzzy control theory and applied to the temperature control system of the BGA rework station to realize the online self-tuning of the PID parameters. The simulation experiment shows that compared with the conventional PID controller, the controller improves the adaptive ability and robustness of the system, improves the dynamic and static performance of the system, and the algorithm is simple and real-time, which is easy to use in engineering practice. Keywords: Ball grid array; Temperature control; Fuzzy control; PID control; Self-tuning parametersAbstract: For the temperature control system with big inertia and delay, the design of the Fuzzy PID controller based on self-tuning parameters and fuzzy control theory is discussed. It is used in the temperature control system of BGA rework station. By simulation and comparison with other ordinary PID controllers, we conclude that the use of the method in the temperature control system can greatly improve the robustness and the dynamic and static properties of the system. It is simple enough for real-time control and can be easily used in the engineering practice.Key words: Ball grid array; Temperature control; Fuzzy control; PID control; Self-tuning parameters

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