本文關(guān)鍵詞：消防電源故障自診斷系統(tǒng)研制　出處：《長春工業(yè)大學》2017年碩士論文　論文類型：學位論文

  更多相關(guān)文章： 消防電源 逆變系統(tǒng) 復(fù)合控制故障自診斷

【摘要】：針對目前社會上頻頻發(fā)生的火災(zāi)事故,在關(guān)鍵時刻卻因為消防電源出現(xiàn)故障導致重大人員傷亡和財產(chǎn)損失的現(xiàn)象,本課題解決消防電源的故障自診斷問題,因此在人們?nèi)粘Ｉ罴案餍袠I(yè)生產(chǎn)中都具有重要的現(xiàn)實意義。本文以消防聯(lián)動應(yīng)急控制系統(tǒng)為對象,研究具有故障自診斷功能的智能型消防聯(lián)動應(yīng)急系統(tǒng),符合消防設(shè)備網(wǎng)絡(luò)化、集成化、智能化、信息化的發(fā)展方向,同時彌補了傳統(tǒng)的消防設(shè)備無法實現(xiàn)故障自診斷的不足,在消防安全領(lǐng)域具有重要的現(xiàn)實意義以及明顯的推廣和應(yīng)用價值。本文基于模塊化設(shè)計方法,完成了消防電源故障自診斷系統(tǒng)的設(shè)計,主要內(nèi)容包括:針對消防電源系統(tǒng)的工作原理及拓撲結(jié)構(gòu)進行了深入的研究,對PWM逆變技術(shù)的控制方式、輸出特性進行了深入的分析,并給出了消防電源系統(tǒng)的整體設(shè)計方案。研究了消防電源系統(tǒng)瞬時故障診斷方法,給出了消防電源系統(tǒng)瞬時故障狀態(tài)方程及故障消除方法,討論了消防電源系統(tǒng)智能故障診斷技術(shù)的工作原理,同時分析了控制系統(tǒng)雙閉環(huán)控制的工作原理,給出了改進型重復(fù)控制的控制結(jié)構(gòu),結(jié)合兩種控制方法的優(yōu)點,采用電壓-電流雙閉環(huán)控制算法組合重復(fù)控制的復(fù)合控制算法。數(shù)值仿真實驗結(jié)果表明,電壓-電流雙閉環(huán)控制算法加重復(fù)控制的復(fù)合控制方法能夠改善控制系統(tǒng)的動、靜態(tài)指標,使系統(tǒng)的動態(tài)響應(yīng)速度快、穩(wěn)態(tài)精度提高。針對所研制的消防電源故障檢測系統(tǒng)進行了實驗研究,實驗波形和實驗數(shù)據(jù)分析得知,本文所設(shè)計逆變電源系統(tǒng)逆變輸出電壓具有波形正弦度好,穩(wěn)態(tài)精度高,動態(tài)響應(yīng)快,帶載能力強等特點,能夠較好地滿足系統(tǒng)的技術(shù)性能指標要求。
[Abstract]:In view of the fire accidents that occur frequently in the society at the critical moment, but because of the fire power failure, which leads to heavy casualties and property losses, this topic solves the problem of self-diagnosis of fire power failure. Therefore, it has important practical significance in people's daily life and in the production of various industries. This paper takes the fire control system as the object, studies the intelligent fire protection emergency system with the function of fault self-diagnosis. In line with the development direction of network, integration, intelligence and information of fire fighting equipment, it makes up for the deficiency that traditional fire fighting equipment can not realize fault self-diagnosis at the same time. In the field of fire safety has important practical significance and obvious promotion and application value. Based on the modular design method, this paper completed the design of fire power source fault self-diagnosis system. The main contents are as follows: the working principle and topology of fire power supply system are studied deeply, and the control mode and output characteristic of PWM inverter technology are analyzed deeply. The whole design scheme of fire power supply system is given, the instantaneous fault diagnosis method of fire power supply system is studied, and the instantaneous fault state equation and fault elimination method of fire fighting power supply system are given. The working principle of intelligent fault diagnosis technology of fire power supply system is discussed, and the working principle of double closed loop control of control system is analyzed, and the control structure of improved repetitive control is given. Combined with the advantages of the two control methods, the double closed loop control algorithm of voltage and current is used to combine the compound control algorithm of repetitive control. The numerical simulation results show that. The compound control method of voltage and current double closed loop control algorithm and repetitive control can improve the dynamic and static indexes of the control system and make the dynamic response speed of the system fast. The steady-state precision is improved. The experimental research is carried out on the fault detection system of fire power supply, and the experimental waveform and experimental data are analyzed. The inverter output voltage of the inverter power system designed in this paper has the characteristics of good sinusoidal waveform, high steady-state precision, fast dynamic response and strong load capacity, which can meet the technical performance requirements of the system.
【學位授予單位】：長春工業(yè)大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TP273;TN86

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