化工自动化及仪表
化工自動化及儀錶
화공자동화급의표
CONTROL AND INSTRUMENTS IN CHEMICAL INDUSTRY
2014年
7期
793-796,800
,共5页
甲醇合成%温度控制%ARM9%神经网络PID控制
甲醇閤成%溫度控製%ARM9%神經網絡PID控製
갑순합성%온도공제%ARM9%신경망락PID공제
methanol synthesis%temperature control%ARM9%neural network PID control
针对甲醇合成塔温度控制具有非线性、时变性、时滞性，以及基于PLC的PID控制自适应能力差、鲁棒性不强、控制器体积大、成本高及兼容性差等问题，将神经网络与PID控制相结合，设计基于ARM9的甲醇合成温度控制系统，给出了系统的软、硬件结构。 Simulink仿真结果表明：基于ARM9的神经网络PID控制器具有较好的系统稳态与动态特性，系统抗干扰能力强，鲁棒性也比较好。
針對甲醇閤成塔溫度控製具有非線性、時變性、時滯性，以及基于PLC的PID控製自適應能力差、魯棒性不彊、控製器體積大、成本高及兼容性差等問題，將神經網絡與PID控製相結閤，設計基于ARM9的甲醇閤成溫度控製繫統，給齣瞭繫統的軟、硬件結構。 Simulink倣真結果錶明：基于ARM9的神經網絡PID控製器具有較好的繫統穩態與動態特性，繫統抗榦擾能力彊，魯棒性也比較好。
침대갑순합성탑온도공제구유비선성、시변성、시체성，이급기우PLC적PID공제자괄응능력차、로봉성불강、공제기체적대、성본고급겸용성차등문제，장신경망락여PID공제상결합，설계기우ARM9적갑순합성온도공제계통，급출료계통적연、경건결구。 Simulink방진결과표명：기우ARM9적신경망락PID공제기구유교호적계통은태여동태특성，계통항간우능력강，로봉성야비교호。
Considering nonlinearity , time-varying and time-lag of temperature control system in methanol syn-thetic reactor , and the poor adaptive ability and robustness , large volume and high cost as well as poor compat-ibility in PLC-based PID control , having neural network combined with PID control was proposed to design ARM9-based temperature control system for the methanol synthesis reactor , including the system ’ s hardware and software and the model established with Simulink .The simulation result shows that ARM 9-based neural network PID controller has better stable and dynamic characteristics , and the system has strong robustness and anti-interference .
