本文選題：超級(jí)電容 + 電梯節(jié)能　； 參考：《遼寧工程技術(shù)大學(xué)》2014年碩士論文

【摘要】：現(xiàn)代化進(jìn)程的加快導(dǎo)致建筑能耗逐年提高,而電梯能耗目前占我國建筑能耗的7%-18%,電梯能耗成為近年來的研究重點(diǎn)。為改善傳統(tǒng)的通過泄放電阻對(duì)電梯回饋能量的處理方法,本文提出了一種新型的電梯節(jié)能控制技術(shù)。首先,本文重點(diǎn)分析了電梯節(jié)能技術(shù)發(fā)展及現(xiàn)狀,提出了基于超級(jí)電容儲(chǔ)能的電梯節(jié)能控制系統(tǒng),通過直流變換電路對(duì)其充放電過程進(jìn)行實(shí)時(shí)控制。其次,本文設(shè)計(jì)了節(jié)能電梯超級(jí)電容儲(chǔ)能控制系統(tǒng)方案,對(duì)電梯不同運(yùn)行工況下曳引機(jī)的狀態(tài)及能量流動(dòng)進(jìn)行了分析,確定了雙向DC/DC變換器Buck和Boost工作模式下超級(jí)電容的充放電狀態(tài),提出了基于系統(tǒng)中電流和電壓的雙閉環(huán)控制策略。重點(diǎn)分析雙向DC/DC變換器兩種工作模式下的控制策略,通過建立小信號(hào)擾動(dòng)數(shù)學(xué)模型,確定了兩種情況下的閉環(huán)框圖,通過Matlab做伯德圖確定了控制系統(tǒng)PI調(diào)節(jié)器的參數(shù)。最后對(duì)整個(gè)系統(tǒng)進(jìn)行了Matlab/Simulink仿真建模驗(yàn)證。最后,本文選用TI公司的TMS320F2812 DSP對(duì)前面所述系統(tǒng)進(jìn)行控制,介紹了控制器產(chǎn)生PWM波原理,對(duì)控制器外圍電路進(jìn)行了整體設(shè)計(jì),根據(jù)控制要求做出了控制系統(tǒng)程序流程。
[Abstract]:The acceleration of the modernization process leads to the increase of building energy consumption year by year, and the elevator energy consumption accounts for 7- 18 percent of the building energy consumption in our country at present. The elevator energy consumption has become the focus of research in recent years. In order to improve the traditional method to deal with the feedback energy of elevator by releasing resistor, a new energy saving control technology of elevator is proposed in this paper. Firstly, this paper analyzes the development and present situation of elevator energy saving technology, and puts forward an energy saving control system based on super capacitor, which can control the charging and discharging process of elevator by DC converter circuit. Secondly, this paper designs a super capacitor energy storage control system for energy saving elevator, and analyzes the status and energy flow of traction machine under different operating conditions. The charge-discharge states of supercapacitors in Buck and Boost mode of bi-directional DC/DC converters are determined. A double-closed-loop control strategy based on current and voltage in the system is proposed. The control strategy in two modes of bidirectional DC/DC converter is analyzed emphatically. By establishing the mathematical model of small signal disturbance, the closed-loop block diagram of the two cases is determined, and the parameters of the Pi regulator of the control system are determined by Matlab. Finally, the whole system is simulated and verified by Matlab/Simulink. Finally, TMS320F2812 DSP of TI Company is used to control the system, the principle of generating PWM wave is introduced, the peripheral circuit of the controller is designed, and the program flow of the control system is made according to the control requirements.
【學(xué)位授予單位】：遼寧工程技術(shù)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TU857

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本文編號(hào)：1857584