發(fā)布時(shí)間：2019-06-24 23:52

【摘要】：立體車(chē)庫(kù)是用來(lái)實(shí)現(xiàn)智能停放和科學(xué)存取各種車(chē)輛的倉(cāng)儲(chǔ)設(shè)備。在汽車(chē)擁有量迅速增長(zhǎng)、停車(chē)位越發(fā)供不應(yīng)求的背景下,立體車(chē)庫(kù)可以充分發(fā)揮空間利用率高、占地面積小、使用方便等優(yōu)勢(shì),盡可能多的存取車(chē)輛,成為緩解“停車(chē)難”困擾的重要途徑。本課題的研究對(duì)象是自主設(shè)計(jì)的田字立體車(chē)庫(kù),將立體車(chē)庫(kù)總體框架的制造、運(yùn)輸、安裝拆卸等成本以及機(jī)器人的運(yùn)行智能化、運(yùn)行效率等因素綜合考慮,來(lái)設(shè)計(jì)分析立體車(chē)庫(kù)的鋼結(jié)構(gòu)框架、控制系統(tǒng)和存取策略。首先,充分研究國(guó)內(nèi)外立體車(chē)庫(kù)搬運(yùn)機(jī)器人的使用現(xiàn)狀和未來(lái)發(fā)展趨勢(shì),設(shè)計(jì)出兩層4×3結(jié)構(gòu)的立體車(chē)庫(kù)做為研究模型。文中簡(jiǎn)單介紹了立體車(chē)庫(kù)的總體框架結(jié)構(gòu)、載車(chē)板結(jié)構(gòu)、舉升機(jī)構(gòu)結(jié)構(gòu)的特點(diǎn),對(duì)立體車(chē)庫(kù)的控制系統(tǒng)總體框架以及周邊相關(guān)的一些安全裝置進(jìn)行了簡(jiǎn)要的闡述,根據(jù)運(yùn)行原理,應(yīng)用有限元方法對(duì)立體車(chē)庫(kù)鋼結(jié)構(gòu)框架和舉升機(jī)構(gòu)框架進(jìn)行分析,為保證立體車(chē)庫(kù)結(jié)構(gòu)的安全穩(wěn)定性,對(duì)其應(yīng)用強(qiáng)度理論進(jìn)行校核;在有限元分析結(jié)果的基礎(chǔ)上,來(lái)優(yōu)化立體車(chē)庫(kù)鋼結(jié)構(gòu)框架,使整體框架減少了17.411%的重量,立體車(chē)庫(kù)鋼結(jié)構(gòu)框架的制造和運(yùn)輸成本也因此得以降低。然后,設(shè)計(jì)出立體車(chē)庫(kù)控制系統(tǒng)中的硬件和軟件結(jié)構(gòu)。硬件結(jié)構(gòu)設(shè)計(jì)中對(duì)下位機(jī)控制芯片及無(wú)線通信方式進(jìn)行比較和選擇,上位機(jī)通過(guò)Wi-Fi向以STM32作為控制芯片的下位機(jī)發(fā)送存取動(dòng)作指令,下位機(jī)收集各傳感器信號(hào)后整合打包通過(guò)Wi-Fi反饋給上位機(jī);其中上位機(jī)的控制界面應(yīng)用LabVIEW軟件進(jìn)行設(shè)計(jì);并且設(shè)計(jì)簡(jiǎn)單實(shí)驗(yàn)驗(yàn)證用LabVIEW編寫(xiě)的上位機(jī)程序可以通過(guò)Wi-Fi模塊同下位機(jī)進(jìn)行通信。最后,對(duì)立體車(chē)庫(kù)的存取排隊(duì)模型和存取策略進(jìn)行了分析,將排隊(duì)論中M/M/n排隊(duì)理論應(yīng)用于本課題的立體車(chē)庫(kù)存取策略控制,并進(jìn)行存取策略優(yōu)化分析;根據(jù)存取車(chē)高峰期的不同,采用了以交叉存取、原地待命、存(取)車(chē)優(yōu)先為主,分區(qū)存取、自調(diào)整的方式為輔的存取策略,并在輔助策略中運(yùn)用廣度優(yōu)先搜索算法高效的進(jìn)行車(chē)位調(diào)度,有效的提高立體車(chē)庫(kù)的存取速度;將排隊(duì)論、廣度優(yōu)先搜索算法融合到立體車(chē)庫(kù)的存取控制過(guò)程中,較好的嘗試了學(xué)科交叉這一研究方法。通過(guò)設(shè)計(jì)立體車(chē)庫(kù)模型,對(duì)其框架進(jìn)行有限元分析,并設(shè)計(jì)控制系統(tǒng)和存取策略,證明本次設(shè)計(jì)的田字立體車(chē)庫(kù)方案的可行性,為以后的進(jìn)一步研究打下了基礎(chǔ)。
[Abstract]:Stereoscopic garage is a storage equipment used to realize intelligent parking and scientific access to all kinds of vehicles. Under the background of the rapid growth of car ownership and the increasing demand of parking spaces, the three-dimensional garage can give full play to the advantages of high space utilization rate, small occupation area, convenient use and so on. It has become an important way to alleviate the problem of "parking difficulty" by accessing as many vehicles as possible. The research object of this subject is the self-designed three-dimensional garage. The steel structure frame, control system and access strategy of the three-dimensional garage are designed and analyzed by considering the overall cost of manufacturing, transportation, installation and disassembly of the three-dimensional garage, as well as the intelligent operation and operation efficiency of the robot. Firstly, the present situation and future development trend of stereoscopic garage handling robot at home and abroad are fully studied, and a two-story 4 脳 3 structure stereoscopic garage is designed as the research model. In this paper, the overall frame structure, vehicle board structure and lifting mechanism structure of the three-dimensional garage are briefly introduced, and the overall framework of the control system of the three-dimensional garage and some surrounding safety devices are briefly described. according to the operation principle, the steel structure frame and lifting mechanism frame of the three-dimensional garage are analyzed by finite element method in order to ensure the safety and stability of the three-dimensional garage structure. The application of strength theory is checked. On the basis of finite element analysis, the steel frame of stereoscopic garage is optimized, and the weight of the whole frame is reduced by 17.411%, and the manufacturing and transportation cost of steel frame of stereoscopic garage is also reduced. Then, the hardware and software structure of the three-dimensional garage control system is designed. In the hardware structure design, the control chip of the lower computer and the wireless communication mode are compared and selected. The upper computer sends the access action instruction to the lower computer with STM32 as the control chip through the Wi-Fi, and the lower computer collects the signals of each sensor and is integrated and packaged to the upper computer through Wi-Fi feedback, in which the control interface of the upper computer is designed by LabVIEW software. A simple experiment is designed to verify that the upper computer program written with LabVIEW can communicate with the lower computer through Wi-Fi module. Finally, the access queuing model and access strategy of stereoscopic garage are analyzed, and the M/n queuing theory in queuing theory is applied to the access policy control of stereoscopic garage, and the access policy optimization analysis is carried out. According to the difference of the rush hour of the access vehicle, the access strategy is supplemented by cross access, standby in situ, priority storage and self-adjustment, and the breadth first search algorithm is used to schedule the parking space efficiently in the auxiliary strategy, so as to effectively improve the access speed of the three-dimensional garage. The queuing theory and breadth first search algorithm are integrated into the access control process of stereoscopic garage, and the interdisciplinary research method is well tried. Through the design of the three-dimensional garage model, the finite element analysis of its framework, and the design of the control system and access strategy, the feasibility of the design of the field character three-dimensional garage scheme is proved, which lays a foundation for further research in the future.
【學(xué)位授予單位】：哈爾濱理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類(lèi)號(hào)】：U491.71

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