帮帮我翻译这段摘要吧（请不要用翻译软件）

近年来随着我国汽车数量的不断增加，停车场地问题显得日渐突出，在这样的背景下，立体车库的开发与应用将是社会发展的必然趋势。
In recent years with the rapid increase of the number cars in our country, the problem of parking lot has become more and more serious, with such background, the develop and application of solid garage is consequentially the trend of social development.
课题研究的核心部分是利用PLC设计出立体车库存车与取车部分的实现。主要根据计算机，PLC与车库构成的网络，搭建出控制系统平台。通过上位机的模拟刷卡给出输入信号，配合车库车位传感器的信号，使车库执行升降横移指令，最终完成一个存车（取车）的周期。
The core part of our research project is to use PLC to realize the parking and fetching vehicle in a solid garage. According to the computer, PLC and the construction network of the garage, to establish a system console. Through the upper computer’s virtual card read to provide input signal, work with the signal of the garage vehicle level sensor, to direct the solid garage to carry out command of rise fall and horizontal move, to finally finish the cycle of parking and fetching a vehicle..
本文首先根据控制要求对立体车库系统进行了方案设计比较及确定，选择出最优化方案。其次介