efficiency diagram meaning in English

效率图

In this paper , the mathematics model and simulation model of the passive landing gear shock absorber was built , and was verified by drop test . aimed at acquiring suitable efficiency diagrams , two simple semi - active control algorithms were designed . the mathematics model and simulation model of the semi - active landing gear shock absorber was built
在本文中，建立了被动控制起落架缓冲系统数学模型和仿真模型，并通过落震试验对该模型进行参数校验；以合适的功量图为控制目标设计出两种半主动简单控制律，建立了半主动控制起落架缓冲器数学模型和仿真模型；通过数字仿真对这两种控制方法进行了比较，认为半主动控制较被动控制有很大的优越性。