The “RFID Application Integration Middleware Technology Research and Development†project completed by the research team led by Professor Liu Fagui of South China University of Technology was funded by the National 863 Program Key Project. The project combines the status quo of China's RFID technology and industrialization development, from the national conditions, adheres to the combination of independent innovation and integrated innovation, overcomes the key technologies of RFID middleware and its application, obtains a series of intellectual property rights, and develops independent intellectual property rights. GDIX—RFID middleware (content includes reconfigurable RFID middleware, embedded RFID middleware, middleware for mobile computing environments, component-based RFID middleware development environment and toolbox, etc.). The project is guided by demonstration applications and drives the extensive application of RFID middleware technology in various industries. Based on this project, the research team has achieved good results in software copyright, invention patent application and paper publication. It has published 20 index papers, applied for 11 invention patents, and obtained 5 software copyrights. The project has also achieved good results in the promotion and application. Embedded RFlD middleware and RFlD middleware for mobile computing The main innovations of the project are: 2.1 RFID system middleware platform architecture research Based on the research of OSGi component framework and its service-oriented development method, the research group proposes a service component framework and component design method for reconfigurable RFID middleware, which can quickly respond to the needs of enterprise application RFI D technology and target different RFID deployment environments. And the needs of computing platforms, the development of reconfigurable RFID middleware, the rapid acquisition of RFID middleware for new application scenarios, to achieve the customizable, reconfigurable goals of RFID middleware. 2.2 RFID reader and its network monitoring and management technology research The research team conducted research on the interfaces and APIs of the current mainstream RFID hardware devices, and the middleware developed by the research team provided support for the current mainstream RFID devices. In order to simultaneously monitor multiple types of RFID hardware devices in the same network, the research group proposed a device management strategy based on proxy technology for RFID middleware, and designed a device proxy layer between the RFID middleware and the underlying device. A device agent consists of a configuration agent, a monitoring agent, a message agent, and a data manager. Coordinate the work of each part to ensure the task of equipment management is completed efficiently and steadily. The application of proxy technology in device management removes the coupling between RFID middleware and the underlying device, enhancing the flexibility and scalability of the RFID system. 2.3 RFID multi-layer event filtering mechanism and advanced event protocol technology research The research group proposes an application layer event processing method based on distributed ALE architecture, which decomposes the mechanism of ALE in middleware into multiple ALEs in parallel, and introduces a load balancing mechanism to coordinate the workload of each ALE; The division, the distribution of tag information, make full use of distributed resources to parallel computing, and solve the problem of excessive load. The distributed ALE solution is transparent to the user and device management layer with full flexibility and availability while fully implementing the functions specified by the standard ALE. 2.4 Research on multi-task coordination mechanism based on semantic network The research group studies the multi-task coordination mechanism based on semantic network, studies the mathematical model and algorithm of multi-task collaboration, and designs and implements a semantic Web service system. The system integrates the inference rules of the semantic network to intelligently process middleware events. And propose a text description matching of the service to optimize the matching mechanism. Combine the logistics application case to optimize the interaction logic between the service requester and the service provider. Gas cylinder traceability safety management system 2.5 RFI D business component model technology research The research group proposed the model of extraction, generation and dynamic management of the application components of RFID middleware, and realized the reuse goal of RFI D application system business process and application components. A development method of RFID middleware application components based on OSGi and iBPM is proposed and implemented. The development, assembly and deployment of application components can be carried out according to the business model, and the component design and development of enterprise business processes are supported. 2.6 Research on Embedded RFID Middleware Technology The embedded RFI D middleware based on lightweight ALE developed by the research group has good compatibility, reconfigurability, scalability, cross-platform and real-time, and its architecture realizes limited resources in embedded environment. Demand. The heterogeneous device management module shields the heterogeneity of heterogeneous devices; relies on interface specification management, device proxy mechanism, device configuration management, and device management module to support collecting tag data, processing tag reports, and publishing on various RFID handheld readers. Corresponding reports; the application layer event management module maintains maximum compatibility with the operating mechanisms in standard ALE. Application of RFID middleware in pig slaughtering and production process control 2.7 Research on RFID Middleware for Mobile Computing
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Research on RFID System Middleware Platform Architecture
1 project introduction