| Optimization Design |
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| Optimization design of multi-lane stereo garage and research on vehicle access strategy |
| DING Shu-yong1, ZHANG Zheng2, DING Wen-jie2, LIN Yong1 |
1.Zhijiang College， Zhejiang University of Technology， Shaoxing 312030， China
2.College of Mechanical Engineering， Zhejiang University of Technology， Hangzhou 310014， China |
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Abstract In order to alleviate the congestion of multi-lane stereo garage during parking and picking-up peak, realize the safety, energy saving and time reduction of vehicle access, the optimization design of garage and vehicle access strategy were studied. A multi-lane intelligent stereo garage with accompanying bearing plate was designed, which was divided into two parts: electromechanical execution system and computer control system. The electromechanical execution system was mainly composed of human-vehicle separation cabin, horizontal transmission mechanism, lifting mechanism, stackable storage rack, accompanying bearing plate warehouse and safety protection mechanism. The computer control system was mainly composed of the upper computer (computer server) in the control room and the lower computer (PLC， programmable logic controller) on the roadway locomotive. According to the mechanical design method, an optimization design was carried out on the horizontal transmission mechanism, which eliminated the roll moment of the roadway locomotive caused by the stacking action of the horizontal transmission mechanism, and saved the motor action time. In order to improve the satisfaction degree of car pick-up owners’ waiting for the service, the strategy of "pick-up priority + cross queue access" was proposed, which employed the computer control method to realize the automatic control of pick-up and cross queue access. Genetic algorithm (GA) toolbox of MATLAB was used to optimize the empty space search in parking. The research results provide a realization path for the low energy consumption and low time consumption of lane-type stereo garage.
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Received: 22 September 2020
Published: 28 August 2021
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多巷道式立体车库优化设计与车辆存取策略研究
为了缓解多巷道式立体车库在存取车高峰时的车辆拥堵状况，实现车辆存取的安全、节能和减时，进行了车库的优化设计与车辆存取策略研究。设计了一种带有随行承载板的多巷道式智能立体车库，其由机电执行系统和计算机控制系统两大部分构成。机电执行系统主要由人车分离舱、水平传输机构、提升机构、堆垛式储架、随行承载板库和安全保护机构组成。计算机控制系统主要由控制室内的上位机（电脑服务器）和巷道机车上的下位机（PLC，programmable logic controller，可编程控制器）组成。依据机械设计方法对水平传输机构进行了优化设计，消除了水平传输机构进行堆垛动作时对巷道机车产生的侧倾力矩，并且节省了电机动作时间。为提高取车车主等待服务的满意度，提出了“取车优先+交叉排队存取”策略，采用计算机控制方法完成取车与交叉排队存取车的自动化控制。利用MATLAB软件的遗传算法（genetic algorithm， GA）工具箱实现存车时的空位寻优。研究结果为多巷道式立体车库运行的低能耗和低时耗提供了一条实现路径。
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