【摘要】：碳濃度偏高是導(dǎo)致航站樓內(nèi)空氣質(zhì)量不佳的主要原因之一,且航站樓內(nèi)碳濃度隨旅客數(shù)量變化呈現(xiàn)的非平穩(wěn)性給其控制帶了挑戰(zhàn)。本文設(shè)計(jì)并開發(fā)基于數(shù)據(jù)驅(qū)動(dòng)PID控制器的碳濃度調(diào)節(jié)系統(tǒng),系統(tǒng)根據(jù)環(huán)境中新風(fēng)量、碳濃度等因素的變化,采用在線優(yōu)化PID參數(shù)的方法調(diào)節(jié)碳濃度。實(shí)驗(yàn)和仿真結(jié)果表明:系統(tǒng)通過(guò)在線優(yōu)化參數(shù),對(duì)非平穩(wěn)碳濃度的調(diào)節(jié)效果良好。系統(tǒng)工作穩(wěn)定,給旅客提供良好空氣質(zhì)量的同時(shí)可實(shí)現(xiàn)節(jié)能。本文主要工作如下:首先,根據(jù)航站樓內(nèi)實(shí)際情況,分析系統(tǒng)應(yīng)具有的功能,主要包括碳濃度檢測(cè)、監(jiān)控和新風(fēng)量控制等。制定系統(tǒng)控制目標(biāo)及技術(shù)指標(biāo),進(jìn)行基于數(shù)據(jù)驅(qū)動(dòng)PID控制器的非平穩(wěn)碳濃度調(diào)節(jié)系統(tǒng)方案設(shè)計(jì)。完成低功耗碳濃度檢測(cè)器、監(jiān)控軟件和新風(fēng)量調(diào)節(jié)子系統(tǒng)的開發(fā)工作,經(jīng)測(cè)試:各部分性能參數(shù)均滿足設(shè)計(jì)指標(biāo)要求。然后,采用實(shí)驗(yàn)法驗(yàn)證系統(tǒng)整體工作性能。在實(shí)驗(yàn)室中安裝碳濃度調(diào)節(jié)系統(tǒng)設(shè)備,進(jìn)行基于數(shù)據(jù)驅(qū)動(dòng)PID控制方法與傳統(tǒng)控制方法的對(duì)比實(shí)驗(yàn)。從碳濃度調(diào)節(jié)效果和新風(fēng)量?jī)蓚�(gè)方面定量分析系統(tǒng)動(dòng)、靜態(tài)性能和節(jié)能效果。最后,在系統(tǒng)應(yīng)用方案設(shè)計(jì)中,根據(jù)空調(diào)通風(fēng)系統(tǒng)布局特點(diǎn),選取出發(fā)大廳進(jìn)行碳濃度調(diào)節(jié)系統(tǒng)部署。現(xiàn)場(chǎng)采集碳濃度數(shù)據(jù)并分析其非平穩(wěn)性,研究碳濃度主要影響因素變化規(guī)律。在Matlab/Simulink環(huán)境中建立碳濃度控制系統(tǒng)仿真模型。結(jié)果表明:基于數(shù)據(jù)驅(qū)動(dòng)PID控制方法下系統(tǒng)對(duì)非平穩(wěn)碳濃度的調(diào)節(jié)效果良好,可降低新風(fēng)能耗。魯棒性實(shí)驗(yàn)證明了系統(tǒng)的穩(wěn)定性。進(jìn)而,討論系統(tǒng)在其他區(qū)域的應(yīng)用方案,最終實(shí)現(xiàn)碳濃度調(diào)節(jié)系統(tǒng)在航站樓中的整體設(shè)計(jì)。結(jié)論:基于數(shù)據(jù)驅(qū)動(dòng)PID控制器的碳濃度調(diào)節(jié)系統(tǒng)通過(guò)在線優(yōu)化控制參數(shù),對(duì)航站樓內(nèi)非平穩(wěn)碳濃度調(diào)節(jié)效果良好,實(shí)現(xiàn)了設(shè)計(jì)方案中的碳濃度調(diào)節(jié)和節(jié)能目標(biāo);系統(tǒng)工作穩(wěn)定,穩(wěn)態(tài)誤差小,在優(yōu)化航站樓內(nèi)空氣質(zhì)量的同時(shí),具有較好的節(jié)能效果。
[Abstract]:High carbon concentration is one of the main causes of poor air quality in terminal buildings, and the non-stationarity of carbon concentration in terminal buildings with the number of passengers challenges its control. In this paper, a data-driven PID controller-based carbon concentration regulation system is designed and developed. According to the changes of fresh air volume and carbon concentration in the environment, the on-line optimization of PID parameters is used to adjust the carbon concentration. The experimental and simulation results show that the system has a good effect on the non-stationary carbon concentration by optimizing the parameters on-line. The system works stably and provides passengers with good air quality and energy saving at the same time. The main work of this paper is as follows: firstly, according to the actual situation in the terminal building, the functions of the system are analyzed, including carbon concentration detection, monitoring and fresh air volume control, etc. The control target and technical index of the system are formulated, and the scheme of the non-stationary carbon concentration regulation system based on the data-driven PID controller is designed. The development of low-power carbon concentration detector, monitoring software and outdoor air conditioning subsystem are completed. The test results show that the performance parameters of each part meet the requirements of the design index. Then, the whole performance of the system is verified by experiment. The carbon concentration control system was installed in the laboratory, and the data-driven PID control method was compared with the traditional control method. The dynamic, static and energy-saving effects of the system are quantitatively analyzed from the aspects of carbon concentration regulation effect and fresh air volume. Finally, in the system application design, according to the layout characteristics of the air conditioning and ventilation system, the departure hall is selected to deploy the carbon concentration adjustment system. The data of carbon concentration were collected on the spot and its nonstationarity was analyzed, and the main influencing factors of carbon concentration were studied. The simulation model of carbon concentration control system in Matlab/Simulink environment is established. The results show that the control method based on data-driven PID has a good effect on the non-stationary carbon concentration and can reduce the energy consumption of fresh air. The robustness experiment proves the stability of the system. Furthermore, the application scheme of the system in other areas is discussed, and the overall design of the carbon concentration regulation system in terminal building is finally realized. Conclusion: the carbon concentration regulation system based on data-driven PID controller can adjust the non-stationary carbon concentration in terminal building by optimizing the control parameters on-line, and achieve the goal of carbon concentration regulation and energy saving in the design scheme. The system works stably and the steady-state error is small. It can optimize the air quality in the terminal building and has a good energy-saving effect at the same time.
【學(xué)位授予單位】：中國(guó)民航大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：V351.3;TP273

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