基于LABVIEW和STEP7软件,设计并实现了用于模拟飞机典型惯性模拟负载控制系统.该统具有优异的电功率输出和调节能力,良好的人机交互功能和保护功能,能较好的满足民用飞机电气系统的试验需求.基于LABVIEW和STEP7的直流调速系统的成功实现,不仅保障了民用飞机电气系统设计验证工作,而且还积累了民用飞机电气系统试验配套设施研制经验,对民用飞机电气系统试验具有重要的指导意义.%A control system for typical aircraft inertia simulation load is designed and implemented on the basis of Labview and Step 7.This control system with its excellent electrical power output and regulation as well as good human-computer interaction and protection,can meet the demand on the test of electrical systems in civil aircraft.Successful implementation of the DC speed regulation system based on Labview and Step 7 does not only guarantee design verification of electrical power systems of civil aircraft,but also help accumulate experiences in the R & D of supporting facilities for the test of electrical systems in civil aircraft,thus having important guiding significance for such tests.
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