A multi-mode wide-rate seamless switching method for multi-parameter testing instruments

A test instrument and seamless switching technology, applied in the field of mode switching control of multi-parameter test instruments, can solve the problems of obvious system chattering and poor adaptability, and achieve the effects of accurate switching, no degradation of performance indicators, and good real-time performance.

Active Publication Date: 2017-10-24
BEIJING INST OF AEROSPACE CONTROL DEVICES
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Problems solved by technology

[0005] The technical problem solved by the present invention is: to overcome the deficiencies in the prior art, and provide a multi-parameter test instrument multi-mode wide-speed seamless switching method, which overcomes the obvious system chattering when the multi-parameter instrument mode switches, and is not suitable for multi-work The problem of poor adaptability of the mode in harsh environments can meet the requirements of multi-parameter instruments, multi-mode, multi-mode, high-precision and wide-speed seamless switching

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  • A multi-mode wide-rate seamless switching method for multi-parameter testing instruments

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Embodiment Construction

[0023] In order to be compatible with different characteristic requirements of position accuracy and velocity accuracy, a control strategy and control method with excellent performance is needed. Seamless switching mainly solves the control problem of multi-mode (position and speed), high precision and wide speed. Seamless switching technology includes: smooth switching between high speed and low speed under the condition of ensuring speed accuracy; good switching between operating modes (position, speed, servo) according to the test requirements of inertial devices.

[0024] In recent years, the functions of test instruments have been continuously expanded, which puts forward higher requirements for the adaptability of its control system. It creates conditions for the use of complex control strategies in the design of multi-parameter instrument control systems, and then provides a basis for the design of complex control strategies.

[0025] The principle of the invention is ...

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Abstract

A multi-mode wide-rate seamless switching method for a multi-parameter test instrument, the steps are: (1) divide the rate range of the multi-parameter test instrument into equal parts, arbitrarily combine the working mode with the rate range obtained by the equal parts, and obtain the possible (2) Establish a control strategy library, which is composed of control strategies; (3) Establish a model of a multi-parameter test instrument, and use computer simulation for various working modes to find the working mode that can meet the requirements and The combination of control strategies is written into the quasi-mode switching lookup table; (4) Use the multi-parameter test instrument to align the mode switching table for actual verification to obtain the mode switching lookup table; (5) During the actual operation of the multi-parameter test instrument, according to the mode The switching lookup table selects the optimal control strategy for seamless switching control. The method of the invention can make the switching process of the multi-parameter testing instrument fine, fast and accurate, and make the switching process seamless.

Description

technical field [0001] The invention relates to a mode switching control method of a multi-parameter testing instrument. Background technique [0002] The full name of the multi-parameter test instrument is a high-precision inertial device multi-parameter test instrument, which is a further development of the simulation turntable, and integrates a gyroscope and an accelerometer on the basis of the simulation turntable. Its mechanism includes base, frame, precision bearing, shaft, flange, slip ring, motor, etc., and the electrical part includes control unit, power module, power unit, display module, interface module, cabinet, etc. The working process is mainly in the control Under the control of the unit, the driving force is provided by a high-power torque motor to perform multi-axis precision rotary motion. The slip ring completes the synchronous follow-up transmission of multi-mode signals, the motor provides the driving torque, and the control unit performs high-precisio...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B17/02
Inventor 张高阳钟正虎李亮王健美刘军王胜利董艳国
Owner BEIJING INST OF AEROSPACE CONTROL DEVICES
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