Sensor Web支持下的租赁车辆远程监控系统设计与实现

对于大型的租赁公司来说，租赁车辆类型多种多样，不同车型安装的定位设备多来自于不同的生产商，这些设备在数据传输协议和数据存储格式上存在很大差异，导致资源难以互通互联。现有的关于租赁车辆远程监控方案只是针对单一定位设备进行数据管理，难以实现多源定位设备获取数据的融合。为解决以上问题，开展多源定位设备接入管理研究，构建一个兼容多源定位设备的租赁车辆远程监控系统。通过对GT220和GT710这两种来自不同厂商的定位设备建模注册，利用Sensor Web标准中的传感器观测服务（SOS，Sensor Observation Service）对多源定位设备及其观测信息进行统一管理；基于Java、AJAX、MINA框架等技术研发了租赁车辆远程监控系统；基于HTML、CSS、JavaScript等技术开发了简洁友好的前端监控页面，实现了车辆实时位置查询、历史轨迹回放、电子围栏报警等功能。对GT220和GT710两种定位设备的仿真实验表明，该系统能准确获取租赁车辆的定位信息，并实现实时跟踪、越界报警。

Design and implementation of remote monitoring system for rental vehicles based on Sensor Web

For large leasing companies, there are many types of rental vehicles. The positioning devices installed in different models are mostly from different manufacturers. These devices have great differences in data transmission protocols and data storage formats, which makes resources difficult to share. The existing remote monitoring scheme for rental vehicles only performs data management for a single positioning device, and it is difficult to achieve integration of data acquired by multi-source positioning devices. In order to solve the above problems, research on access management of multi-source positioning equipment is carried out, and a remote monitoring system for rental vehicles compatible with multi-source positioning equipment is constructed. Through the modeling and registration of two GT220 and GT710 positioning devices from different manufacturers, the multi-source positioning device and its observation information are managed by using the Sensor Observation Service (SOS) in the Sensor Web standard; based on Java, AJAX, MINA framework and other technologies have developed a remote monitoring system for rental vehicles; based on HTML, CSS, JavaScript and other technologies, a simple and friendly front-end monitoring page has been developed to realize real-time location query, historical track playback, and electronic fence alarm. The simulation experiments on two kinds of positioning equipments of GT220 and GT710 show that the system can accurately obtain the positioning information of the rental vehicle and realize real-time tracking and cross-border alarm.