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Speed synchronous control method and system for load simulator

A technology of load simulator and synchronous control, applied in the direction of program control device, software simulation/interpretation/simulation, etc., can solve problems such as high cost and complex structure, and achieve the effect of avoiding requirements

Active Publication Date: 2014-02-12
北京航辰机载智能系统科技有限公司
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AI Technical Summary

Problems solved by technology

It starts with the hardware (mechanical) structure of the loading system, and eliminates the adverse effects of motion disturbance by adding auxiliary links. Generally speaking, the structure of this method is relatively complicated and the cost is relatively high; the second type is the control based on synchronous compensation. algorithm

Method used

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  • Speed synchronous control method and system for load simulator
  • Speed synchronous control method and system for load simulator
  • Speed synchronous control method and system for load simulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0145] As an implementation manner, step S10 may include:

[0146] The servo valve 11 of the position servo system 10 controls the position hydraulic motor 12 to output a force or torque signal according to a control command.

[0147] Step S20 may include:

[0148] S21: The loading servo valve 31 of the loading system 30 controls the loading hydraulic motor 32 of the loading system 30 according to the current signal of the servo valve 11 of the measured position servo system, so that the force or moment output by the loading hydraulic motor 32 is applied to the object by the inertial load 20 Measuring position servo system 10.

[0149] As a preferred solution, step S20 may also include:

[0150] S211: The loading servo valve 31 controls the loading hydraulic motor 32 according to the pressure difference signal between the two chambers of the position system, so that the force or torque signal output by the loading hydraulic motor 32 is applied to the measured position servo ...

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Abstract

The invention relates to a speed synchronous control method and system for a load simulator. The speed synchronous control system for the load simulator comprises a loading system, an inertia load and a tested position servo system; the inertia load is used for simulating the rotary inertia of the tested position servo system in actual work; the loading system is used for simulating the borne force or torque of the position servo system in actual work, and loading the force or the torque to the tested position servo system through inertia loading. After the adoption of the speed synchronous control method and system for the load simulator, the requirements of a structural invariance method based on velocity feedback signals, on high quality speed and acceleration signals, can be effectively avoided, and the problem of poor interference eliminating capability under large and middle load in the traditional speed synchronization method can be effectively solved.

Description

technical field [0001] The invention relates to a speed synchronous control technology, in particular to a speed synchronous control method and system of a load simulator. Background technique [0002] Electro-hydraulic load simulator (EHLS) is a key device for hardware-in-the-loop simulation of aircraft servo mechanism. It is used to simulate the aerodynamic load on the steering gear during flight. Its performance directly affects the confidence of the evaluation of the servo mechanism of the flight control system. The difficulty of its control is to realize accurate force loading during any motion of the position control system, so the load simulator is a typical electro-hydraulic servo system with strong motion coupling. [0003] Relevant scholars at home and abroad have carried out extensive research on how to suppress the adverse effects of motion disturbances. The methods are roughly divided into three categories, one is the structural compensation method. It starts w...

Claims

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Application Information

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IPC IPC(8): G06F9/455
Inventor 焦宗夏韩松杉尚耀星姚建勇吴帅
Owner 北京航辰机载智能系统科技有限公司
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