混合動(dòng)力燃?xì)鉄岜玫膬?yōu)化分析及控制模擬
發(fā)布時(shí)間：2018-04-14 19:20
本文選題：混合動(dòng)力 + 燃?xì)鉄岜?/strong>�。� 參考：《東南大學(xué)》2015年碩士論文
【摘要】：當(dāng)今世界能源與環(huán)境成為日益重要的兩大主題,清潔能源的使用和節(jié)能技術(shù)的開(kāi)發(fā)越來(lái)越得到人們的重視。隨著人們對(duì)生活水平要求的提高,人們對(duì)室內(nèi)空氣品質(zhì)的要求愈來(lái)愈高,空調(diào)運(yùn)用得到了普及。有數(shù)據(jù)顯示我國(guó)空調(diào)能耗占建筑總能耗55%,而且對(duì)環(huán)境的壓力也越來(lái)越大。燃?xì)鉄岜糜捎诰哂邢鄬?duì)較高的一次能源利用率,具有較好的部分負(fù)荷特性,對(duì)環(huán)境的污染較小,尤其在供熱的情況下具有更好地效果,且其可以調(diào)節(jié)高峰用電動(dòng)時(shí)的電力短缺問(wèn)題,平衡電網(wǎng)峰谷周期,在歐美國(guó)家得到廣泛的運(yùn)用,在我國(guó)也漸漸受到重視。與相比普通的燃?xì)鉄岜孟到y(tǒng),混合動(dòng)力燃?xì)鉄岜孟到y(tǒng)可以使燃?xì)獍l(fā)動(dòng)機(jī)始終工作在經(jīng)濟(jì)區(qū)內(nèi),本文主要研究的是一種具有連續(xù)傳動(dòng)比的混合動(dòng)力燃?xì)鉄岜孟到y(tǒng),通過(guò)改變傳動(dòng)比,燃?xì)獍l(fā)動(dòng)機(jī)的轉(zhuǎn)速可以不受壓縮機(jī)轉(zhuǎn)速的限制,從而使燃?xì)獍l(fā)動(dòng)機(jī)可以工作在更加節(jié)能的狀態(tài),本文的主要研究?jī)?nèi)容包括以下幾個(gè)方面：(1)設(shè)計(jì)了一種具有可變傳動(dòng)比的燃?xì)鉄岜孟到y(tǒng)。本文中提出了一種具有連續(xù)傳動(dòng)比的混合動(dòng)力燃?xì)鉄岜孟到y(tǒng),該系統(tǒng)主要包括三個(gè)部分：驅(qū)動(dòng)系統(tǒng),變速器和熱泵系統(tǒng)�；旌蟿�(dòng)力燃?xì)鉄岜孟到y(tǒng)有四種運(yùn)行模式：燃?xì)獍l(fā)動(dòng)機(jī)單獨(dú)驅(qū)動(dòng)模式,電機(jī)單獨(dú)驅(qū)動(dòng)模式,燃?xì)獍l(fā)動(dòng)機(jī)驅(qū)動(dòng)并充電模式,燃?xì)獍l(fā)動(dòng)機(jī)和電機(jī)共同驅(qū)動(dòng)模式。本文詳細(xì)分析了四種工作模式下系統(tǒng)的能量流動(dòng)過(guò)程。(2)建立了混合動(dòng)力燃?xì)鉄岜孟到y(tǒng)的數(shù)學(xué)模型�；旌蟿�(dòng)力燃?xì)鉄岜孟到y(tǒng)的建模主要包括三個(gè)部分的建模：驅(qū)動(dòng)系統(tǒng)的建模,變速器的建模和熱泵系統(tǒng)的建模。動(dòng)力驅(qū)動(dòng)系統(tǒng)的建模主要包括燃?xì)獍l(fā)動(dòng)機(jī),電機(jī)及蓄電池的建模。本文對(duì)燃?xì)獍l(fā)動(dòng)機(jī)采用實(shí)驗(yàn)建模的方法,建立了燃?xì)獍l(fā)動(dòng)機(jī)的萬(wàn)有特性曲線模型。同樣對(duì)電機(jī)運(yùn)用實(shí)驗(yàn)建模的方法得到電機(jī)的充放電效率模型。熱泵系統(tǒng)的建模主要包括壓縮機(jī),冷凝器,蒸發(fā)器,節(jié)流閥等部件的數(shù)學(xué)模型的建立。變速器是鏈接熱泵系統(tǒng)和動(dòng)力驅(qū)動(dòng)系統(tǒng)的橋梁,本文根據(jù)變速器的輸入與輸出關(guān)系建立變速器的數(shù)學(xué)模型。(3)基于邏輯門限的控制策略邏輯門限的控制策略是指過(guò)制定合理的邏輯規(guī)則來(lái)改變和調(diào)節(jié)驅(qū)動(dòng)系的工作狀態(tài),使發(fā)動(dòng)機(jī)運(yùn)行在最佳油耗曲線附近,以達(dá)到系統(tǒng)高效率、低排放的目標(biāo)。本章將采用靜態(tài)邏輯門限控制策略,將壓縮機(jī)對(duì)驅(qū)動(dòng)系統(tǒng)的需求功率設(shè)為門限值,再根據(jù)蓄電池的SOC狀態(tài),選擇合理的燃?xì)獍l(fā)動(dòng)機(jī)和電機(jī)的工作點(diǎn)。并假定了系統(tǒng)在一個(gè)周期內(nèi)外界的負(fù)荷需求,建立了基于Matlab/simulink的模擬平臺(tái),模擬在一個(gè)周期內(nèi)系統(tǒng)的運(yùn)行情況。(4)基于瞬時(shí)優(yōu)化的控制策略瞬時(shí)優(yōu)化是指在當(dāng)前一個(gè)外界負(fù)荷的需求下,驅(qū)動(dòng)系統(tǒng)如何在燃?xì)獍l(fā)動(dòng)機(jī)和電機(jī)之間合理的分配功率,已達(dá)到瞬間系統(tǒng)最佳運(yùn)行狀態(tài),瞬時(shí)優(yōu)化的控制策略需要一個(gè)優(yōu)化參數(shù)。本文選擇驅(qū)動(dòng)系統(tǒng)的等效瞬時(shí)燃?xì)夂牧孔鳛閮?yōu)化參數(shù),并在設(shè)定的外界負(fù)荷的條件下同基于邏輯門限的控制策略進(jìn)行了比較,結(jié)果顯示瞬時(shí)優(yōu)化的控制策略相對(duì)于邏輯門限的控制策略具有較好的節(jié)能效果。
[Abstract]:Energy and environment have become the two major themes in today's world is becoming more and more important in the development and use of energy-saving technology, clean energy has gained more and more attention. With the requirements of people's living standards improve, people on indoor air quality requirements more and more high, the use of air conditioning has been popularized. Data show that air-conditioning energy consumption in China accounted for the construction the total energy consumption of 55%, and the pressure on the environment is also growing. As a result of a gas heat pump energy has relatively high utilization rate, has good partial load characteristic, less pollution to the environment, especially has better effect on heating condition, and it can be used when the electric power shortage peak regulation the balance of power, peak period, has been widely used in Europe and the United States, in China's attention gradually. Compared with the ordinary gas heat pump system, hybrid gas heat pump system can make The gas engine is working in the economic area, the main research of this paper is a continuous transmission ratio of the hybrid gas heat pump system, by changing the transmission ratio, gas engine speed is not affected by the rotational speed of the compressor, so the gas engine can work in a more efficient state, the main contents of this paper include the following: (1) design with a variable transmission ratio of gas heat pump system. This paper presents a continuous transmission ratio of the hybrid gas heat pump system, the system mainly includes three parts: driving system, transmission system and heat pump. The hybrid heat pump system has four operation modes: gas engine driven mode, motor driven mode, gas engine driven and charging mode, the gas engine and motor driven mode. This paper is divided Analysis of the energy flow process of four kinds of work mode system. (2) to establish the mathematical model of hybrid heat pump system. The hybrid modeling of gas heat pump system mainly includes three parts: modeling modeling modeling modeling of the drive system and heat pump system transmission. The main drive system modeling including gas engine, motor and battery modeling. Experimental modeling of the gas engine in this paper, a universal curve model of gas engine. Also the charge discharge efficiency of the motor on the motor using the method of model experiment modeling. The modeling of heat pump system mainly comprises a compressor, condenser, evaporator, throttle valve, mathematical model component. The transmission is a bridge to link the heat pump system and drive system, this paper established the transmission according to the relationship between input and output transmission. The mathematical model (3). The control strategy of logic threshold control strategy based on logic threshold refers to logical rules and reasonable to change and adjust the drive system working condition, make the engine run in the vicinity of the optimal fuel consumption curve, in order to achieve the system of high efficiency, low emissions. This chapter will use the static logic threshold control strategy. The power demand of the drive system of the compressor is set to the threshold value, then according to the SOC of accumulator, gas engine and motor to choose reasonable work. And assume that the system in a periodic external load demand, simulation platform was established based on Matlab/simulink simulation operation system in a period. (4) the optimization of control strategy based on instantaneous instantaneous optimization refers to a current external load demand, allocation of power drive system between gas engine and electric motor is reasonable, Has reached the best operation state instantaneous system, control strategy instantaneous optimization requires a parameter optimization. This paper chooses the equivalent instantaneous gas drive system consumption as optimization parameters, and based on the logic threshold control strategy are compared in the external load setting conditions below, results show that the instantaneous optimization control strategy with respect to the control logic the threshold has a better energy saving effect.
【學(xué)位授予單位】：東南大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TU831
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