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本文建立了力平衡式差压(压力)变送器的数学模型,论述了此仪表动态特性分析的一般方法。文中以DDZ—Ⅲ型矢量机构力平衡式差压(压力)变送器作为典型例子,通过理论分析和计算机仿真,剖析了主要参数与动态性能间的关系。
In this paper, the mathematical model of the force balance differential pressure (pressure) transmitter is established, and the general method of analyzing the dynamic characteristics of the instrument is discussed. In this paper, DDZ-Ⅲ vector force balance pressure (pressure) transmitter as a typical example, through theoretical analysis and computer simulation, analysis of the relationship between the main parameters and dynamic performance.