The structure and principle of a typical hydraulic speed regulating valve was introduced. Through its work principle and balance equation, two performance influencing key characteristics of this valve were abstracted. During the manufacture process, some real key characteristics data of success product were collected. Then using processcontrol diagram and 3σ statistical methods, the envelopment range of these two key characteristics were determined by data envelopment analysis. The study could be used in risk control and regulation of productions key characteristic.
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张佳林,刘薇,谢文建.基于数据包络分析的调速阀关键特性包络方法研究[J].机床与液压,2016,44(17):130-133. . Research on Key Characteristic of Speed Regulating Valve Based on Data Envelopment Analysis[J]. Machine Tool & Hydraulics,2016,44(17):130-133