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Addressing the load simulating issue of the helicopter manipulation booster under high-frequency dynamic load to be superimposed on large static load, this paper has developed an electro-hydraulic loading system for this type of the load. The mathematical model of the electro-hydraulic loading system is firstly established. Then, a hybrid suppression scheme is proposed to eliminate the extraneous...
Addressing on the requests to measure the working characteristics of helicopter manipulate booster under high frequency aerodynamic load, this paper has developed a hydraulic loading system to simulate the load with large static load and sine dynamic load. The structure and operation principle of load simulator are described and analyzed, and a method to restrain the surplus force is put forward....
This paper deals with the establishment of the exact mathematical model for describing the electro-hydraulic load system which is applied to the earth-experiment of the hydromechanical servomechanism (hydraulic assistor) for the helicopter pitch adjusting. Based on the working principle analysis of the electro-hydraulic load system, the accurate mathematical model of electric-hydraulic loading system...
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