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The longitudinal motion equations were built by mathematical model of target drone movement. The longitudinal linearized equation was got by the lineairzation of longitudinal motion equations. The modality character was analysed by the solution. According to remolding motion, the effection on dynamic stability by flight speed, height and centroid position variation was researched and corresponding...
The electric-hydraulic actuator (EHA) of the motor-pump coordinated control is mostly applied into the flight control system, and it is a kind of power-by-wire (PBW) actuator with removing the central hydraulic power supply. The actuator system remains the hydraulic power partially, so the system has the characteristics of the hydraulic system such as: the compressibility of the hydraulic oil, friction...
The performances of the airborne actuator directly affect the qualities of the flying machine. The coordinated control actuator system of the motor-pump-valve parallel connection has predominant characteristics comparing with other actuator systems of coordinated control. The motor-pump-valve actuator system is a combinational optimization problem of coordinated control, for the system has three adjustable...
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