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1. Electric bicycle management application platform
The quality of the system software is related to the stability and reliability of the operation of the electric vehicle prevention and control system. It is necessary to ensure that the software has good compatibility, openness, and access to large-scale equipment. At the same time, it is necessary to ensure that the hardware environment for software operation is stable and reliable. Long-term reliable operation of the platform. The software performance requirements are roughly as follows:
? Manage the total number of back-end users: unlimited.
? The total number of users who can access the Web: 2048.
? The total number of concurrent online Web users: 1024.
? The search for passing data on the order of 1 billion is less than 2 seconds.
The software architecture design requirements are roughly as follows:
The software adopts the service-oriented SOA architecture method of thinking, which meets the requirements of the national e-government system architecture standard. The development of the system should be realized by the B/S architecture based on the J2EE development system, and the industrial application development based on the basic support platform composed of security application components, with the design principle of “high cohesion and loose coupling” and the top-level modular design. Ideologically organize the internal structure of the application system to ensure that the system conforms to the development trend of information technology and meets the needs of future application dynamic upgrades. The system supports the development and operation environment of mainstream operating systems, Web middleware, database products and other third-party standard intermediate products, and has strong environmental adaptability.
The platform supports B/S client architecture and supports 7*24 hours of uninterrupted operation;
System architecture diagram
Storage mode analysis
From the perspective of system compatibility, stability and reliability, and considering the convenience of users, we chose a data storage solution based on the NAS architecture. Taking into account the reliability requirements of the storage system, the construction of the disk array for this project adopts a RAID 5+ hot spare disk redundancy mechanism to further ensure the integrity of the stored data and the continuous operation of the storage system.
Features of NAS centralized storage solution:
The advanced NAS network architecture adopts the centralized storage mode of the monitoring center to centrally store and manage the front-end video resources nearby, effectively avoiding the problems of excessive network bandwidth pressure and network instability.
RAID technology and multiple hardware redundancy ensure the high reliability of the system, and disk failure will not affect the continued access of data. The equipment failure rate is reduced and maintenance costs are reduced. (Easily damaged disks are concentrated in the center, the equipment room environment guarantees the reliability of the equipment, and the redundant power supply also reduces the failure rate)
Equipment management and maintenance are simple. Disk replacement does not need to be powered off, nor need to open the equipment chassis, it can be hot-swappable, and the data access is not affected at all when changing the disk; the storage is centralized and unified management, and there is no need to manage each front-end storage.
Improved customer service quality and system response time. (Because the data is stored centrally on the central service platform, when there is a customer request, there is no need to extract the data through the external network. This reduces the customer’s data access path by half, the customer request response time is shorter, and the service quality is higher)
High scalability. Storage can be allocated on demand, and storage capacity can be dynamically increased according to the development and growth of the monitoring scale. For example, if the storage time of all monitored content is increased from 1 month to half a year. If a centralized storage solution is adopted, this problem can be solved by adding more storage capacity to the network without changing other parts.
Stored value-added service business. Based on networked storage, it can also provide data tape backup and CD-ROM backup functions, through these functions to further improve the quality of service.
2. Equipment selection
UHF RFID front-end reader
? Compatible with EPC C1 Gen2/ISO 18000-6C;
? PowerPC architecture high-performance industrial-grade MCU, 128M RAM;
? With carrier cancellation function, stronger anti-interference ability;
? Support EPC intensive reading mode (DRM);
? Long-distance reading, RF output power reaches 12dBm;
? Support 640Kbps tag data reading rate;
? Flexible configuration and parameter setting, providing maximum label reading and best working performance;
Electric bicycle RFID tag
Matching with UHF RFID front-end reader, the tag reading rate is required to be above 95%. It is required to be packaged with PET material, and the surface is treated with UV protection and frosting. The Inlay model adopts AZ-E44 produced by Yongdao. The back glue adopts acrylic foam glue. Model: F3050C. The label will not fall off naturally within two years, and the label will not fade within two years. The label needs to be opened separately and conforms to the original label style of Fuyang Public Security, and the label number needs to be flexibly coded in accordance with the rules of each police station.
Disk array selection
¤ Number of disks: 24 disks;
¤ CPU: 64-bit multi-core CPU;
¤ Operating system: embedded operating system,;
¤ Memory: 2GB cache;
¤ Host interface: dual gigabit network ports;
¤ RAID support: RAID0, 1, 3, 5, 10, 50;
¤ Certificate with: 3C certificate;
¤ Protocol support: RTSP/ONVIF/PSIA and other national standard video streaming protocols;
▲GB28181 test report of the Ministry of Public Security
3. Ziyue Technology-Basic Information of the Company
Founded in March 2006, one of the earliest domestic UHF RFID technology companies engaged in ultra-high frequency band RFID technology. The leading domestic UHF RFID solution and service provider is gradually upgraded to provide a package of solutions for system development and ecological platform construction enterprises, and is committed to the informatization of traditional enterprises And industry 4.0 transformation, networking +, Internet of things + platform construction. The main customers have accumulated more than 3000 customers, covering scientific research institutions, universities, and industry customers, forming a customer base based in East China and radiating across the country.
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