| Parking Guidance and Information System (Parking Guidance and Information System, PGIS) is a very complex System, as the Intelligent Transportation System (Intelligent Transportation System, ITS) is an important part of growing attention. PGIS by monitoring the use of parking garages in the area of projections or according to the traffic information such as the utilization of the parking garage offer curbside parking guidance signs display data or provide induction to car parking guidance terminal data, induction driver select the most appropriate location for parking.This article main research is applied to the whole city parking guidance information system, first of all, based on the urban demand for parking guidance information system, by adopting the combination of centralized and distributed induction control mode, the design of the entire system function framework, and describes in detail the main function of each functional module and the corresponding technical support; Since PGIS system data size is large, so the system management and data points put in two servers, greatly reduced the pressure of the server, and reduces the system error rate.Secondly, considering the future development, the system introduced the EPC EPC network Information service (EPC Information Services, the EPCIS) as a system of Information processing module, due to the EPCIS scalability, can make the system as a development in the future car networking platform. Detailed design the EPCIS structure formed the system data flow.Finally for internal induction plan for the parking lot design, put forward a more complete intelligent parking guidance solution, is put forward using the car terminal and parking guidance screen together carries on the induction of the induction program, improves the accuracy of misleading information. Parking garages navigation USES the low cost of ZigBee and RFID card as the carrier of information collection, greatly reduce the cost of the whole system. |
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