The strategy of intelligent control is studied in this paper and applied on unit coordinated control system, which is designed, ran and applied in menda power plant 本文論述智能控制策略的研究及其單元機(jī)組協(xié)調(diào)控制系統(tǒng)中的應(yīng)用,并具體在內(nèi)蒙古達(dá)拉特旗發(fā)電有限公司2#機(jī)組的協(xié)調(diào)控制系統(tǒng)中的設(shè)計(jì)、調(diào)試、投運(yùn)和實(shí)現(xiàn)。
In this paper the algorithms of multi-variable dynamic matrix control ( mdmc ) and pair of value dynamic matrix control ( pvdmc ) and their applications are proposed on the unit coordinated control system 本文的主要工作是研究多變量動(dòng)態(tài)矩陣控制算法,提出多變量雙值動(dòng)態(tài)矩陣控制算法,并把它們應(yīng)用于單元機(jī)組協(xié)調(diào)控制中。
The paper is committed to the research on the application of fault diagnosis and fault tolerant control in the modern power plant . the new schemes of fault diagnosis both for boiler water level control system and unit coordinated control system are presented; moreover, based on the lqg strategy, a scheme of fault tolerant control for unit coordinated control system is also proposed 電廠熱工控制系統(tǒng)的安全運(yùn)行已經(jīng)成為人們?nèi)找嬷匾暤恼n題,在這種背景下,本文致力于故障診斷與容錯(cuò)控制在電廠熱工控制系統(tǒng)中的應(yīng)用研究。主要內(nèi)容是針對(duì)電廠鍋爐汽包水位控制系統(tǒng)和電廠單元機(jī)組協(xié)調(diào)控制系統(tǒng)提出兩種故障診斷的新方案;并且把lqg控制策略應(yīng)用于單元機(jī)組協(xié)調(diào)控制系統(tǒng),提出了協(xié)調(diào)控制系統(tǒng)的主動(dòng)容錯(cuò)控制方案。
The paper is committed to the research on the application of fault diagnosis and fault tolerant control in the modern power plant . the new schemes of fault diagnosis both for boiler water level control system and unit coordinated control system are presented; moreover, based on the lqg strategy, a scheme of fault tolerant control for unit coordinated control system is also proposed 電廠熱工控制系統(tǒng)的安全運(yùn)行已經(jīng)成為人們?nèi)找嬷匾暤恼n題,在這種背景下,本文致力于故障診斷與容錯(cuò)控制在電廠熱工控制系統(tǒng)中的應(yīng)用研究。主要內(nèi)容是針對(duì)電廠鍋爐汽包水位控制系統(tǒng)和電廠單元機(jī)組協(xié)調(diào)控制系統(tǒng)提出兩種故障診斷的新方案;并且把lqg控制策略應(yīng)用于單元機(jī)組協(xié)調(diào)控制系統(tǒng),提出了協(xié)調(diào)控制系統(tǒng)的主動(dòng)容錯(cuò)控制方案。
3 . the multi-variable, coupling turbine-boiler plant is intensively investigated and with the reference of the routine control method, lqg control strategy is used in the turbine-boiler plant successfully; moreover the usual fault existing in the unit coordinated control system is researched . the model set for the sensor fault, actuator fault and normal control system is builded . based on adaptive filter technology, a scheme of fault diagnosis and fault tolerant control in the unit coordinated control system is presented (3)研究電廠汽機(jī)?鍋爐控制對(duì)象,在參考常規(guī)控制策略的基礎(chǔ)上,采用線性二次型最優(yōu)控制策略(lqg),實(shí)現(xiàn)了對(duì)于存在多變量耦合的協(xié)調(diào)對(duì)象的控制;另外對(duì)于協(xié)調(diào)控制系統(tǒng)常見(jiàn)的傳感器、執(zhí)行器的故障進(jìn)行了模型化研究,建立了系統(tǒng)正常和可能發(fā)生的系統(tǒng)故障模型集。
3 . the multi-variable, coupling turbine-boiler plant is intensively investigated and with the reference of the routine control method, lqg control strategy is used in the turbine-boiler plant successfully; moreover the usual fault existing in the unit coordinated control system is researched . the model set for the sensor fault, actuator fault and normal control system is builded . based on adaptive filter technology, a scheme of fault diagnosis and fault tolerant control in the unit coordinated control system is presented (3)研究電廠汽機(jī)?鍋爐控制對(duì)象,在參考常規(guī)控制策略的基礎(chǔ)上,采用線性二次型最優(yōu)控制策略(lqg),實(shí)現(xiàn)了對(duì)于存在多變量耦合的協(xié)調(diào)對(duì)象的控制;另外對(duì)于協(xié)調(diào)控制系統(tǒng)常見(jiàn)的傳感器、執(zhí)行器的故障進(jìn)行了模型化研究,建立了系統(tǒng)正常和可能發(fā)生的系統(tǒng)故障模型集。
4 . with the result of the fault diagnosis of the unit coordinated control system, a new scheme of active fault tolerant control is proposed . the tolerant control is realized through reconfiguring the control law . the effectiveness of the fault diagnosis and fault tolerant control scheme presented is show by the simulation result 提出了多模型自適應(yīng)濾波的故障診斷的新方案,本方案主要是利用卡爾曼濾波器陣列實(shí)現(xiàn)多模型自適應(yīng)濾波,實(shí)現(xiàn)故障的診斷,通過(guò)大量仿真驗(yàn)證了故障診斷算法的有效性。