以消息总线实现通信的测试系统架构

Testing system architecture based on message bus

为了减少测试仪器资源,降低测试系统的成本,通过对总线技术、内存数据库技术和虚拟仪器技术的研究,提出了一种基于消息总线的测试系统架构。其核心是用消息总线代替传统测试总线,用虚拟仪器代替硬件仪器。其原理是采用基于计算机标准总线的数据采集卡采集信号,使用虚拟仪器进行数据处理分析以及处理结果的可视化显示,运用消息总线操作调度虚拟仪器。基于消息总线的测试系统架构具有成本低、功能扩展性强、系统集成度高等特点。最后通过测试应用实例验证了该系统架构的可行性。

Through the study of bus technology, memory database technology, and virtual instrument technology,a new architecture of message bus based testing system is proposed to reduce the resource of testing equipment, and the cost of testing system. The core technology is using message bus instead of traditional testing bus, and using virtual instrument instead of hardware. The specific implementation is that gathering signal by computer standard bus based data acquisition card; processing, analyzing the data and illustrating the result by virtual instrument; and operating virtual instrument by message bus. The message bus based testing system architecture is characterized by low cost, strong extension and high system integration. Finally,the feasibility of the system architecture is proved by a testing application.