Speed regulating system soft simulator is designed based on virtual instrument in order to meet a shipping institute's demand of steam turbine speed regulating system.By means of LabVIEW and industrial bus PXI,speed regulating system soft simulator can not only run the controller and model independently,but also be connected to other subsystems.According to on-spot debug result,speed regulating system soft simulator can satisfy the requirements of the institute during the process of development and test.%为满足某船舶研究所对汽轮机发电机组调速系统的仿真需求,设计了基于虚拟仪器的调速实时仿真系统.该系统硬件基于美国国家仪器公司NI的工业化总线PXI平台,软件基于实时操作系统及LabVIEW应用程序开发平台.调速实时仿真系统能够基于内部控制算法及数学模型独立仿真运行,也可接入实际系统中实现半物理的实时仿真.实际现场运行结果表明,该调速实时仿真系统在功能和性能上,能够满足该研究所在相关开发及试验过程中的需求.
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