【摘 要】
：
两相流在线实时监测对电阻层析成象技术的实时性能提出了很高的要求,但提高过程层析成象技术的实时性能受到基于Von Neumann结构的串行计算机体系结构的限制.本文从提高ERT系
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两相流在线实时监测对电阻层析成象技术的实时性能提出了很高的要求,但提高过程层析成象技术的实时性能受到基于Von Neumann结构的串行计算机体系结构的限制.本文从提高ERT系统的实时性能出发,针对ERT系统的特点,将并行处理技术引入到电阻层析成象系统中,设计了应用于ERT系统的拓扑可重构的多处理机网络及二者之间的接口电路,并实现了ERT系统的控制、数据采集和图象重建.测试结果表明此多处理机网络对于提高ERT系统的实时性能是有效的.“,”A good real-time performance is required for the Electrical Resistance Tomography(ERT) system, which is used in the on-line monitoring of the two-phase/multi-phase flows. However, the improvement of the real-time performance is ultimately limited by the architecture of conventional Von-Neumann computers. As a solution, an application of parallel processing technique to the ERT system is presented. A loosely coupled Transputer-based multi-processor system as the controller and processor and their interface circuit have been developed. Experimental results of the performance of the system are also given. According to the results, it is concluded that the principles of the proposed parallel processing method are valid in improving the real-time performance of ERT system.
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