Flexible gyro digital rebalancing device based on DSP

A rebalancing and gyro technology, which is applied in the direction of measuring device, gyro effect for speed measurement, gyroscope/steering sensing equipment, etc., can solve the difficulty of accuracy, the temperature characteristics of gyro torquer and the transmission of nonlinear analog signal affect the measurement accuracy, and it is difficult to meet performance issues

Active Publication Date: 2010-06-23
国营三四0五厂
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Problems solved by technology

Therefore, once the parameters of the calibration link change due to the drift of the resistance and capacitance values, it will directly affect the performance of the entire instrument; because the working environment of the rebalancing circuit is complex and changeable, the temperature characteristics and n

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  • Flexible gyro digital rebalancing device based on DSP
  • Flexible gyro digital rebalancing device based on DSP
  • Flexible gyro digital rebalancing device based on DSP

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Embodiment Construction

[0017] A DSP-based flexible gyro digital rebalancing device of the present invention will be further described in detail below in conjunction with the drawings and embodiments, but it is not used as a basis for any limitation of the present invention.

[0018] Example. A kind of flexible gyroscope digital rebalancing device based on DSP of the present invention such as figure 1 As shown, it includes a gyro component and a digital signal processor; the gyro component includes a gyro, a motor, an X torquer, an X sensor, a Y torquer and a Y sensor; the digital signal processor includes an A / D converter, an X- PWM generator and Y-PWM generator, use software to control X-PWM generator and Y-PWM generator to generate PWM control signal with adjustable width; gyroscope is connected to input circuit, X sensor and Y sensor are respectively passed through X error identification circuit and The Y error identification circuit is connected with the A / D converter in the digital signal proc...

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Abstract

The invention discloses a flexible gyro digital rebalancing device based on DSP. The device comprises a gyro assembly and a digital signal processor; wherein the gyro assembly comprises a gyro, a motor, an X torquer, an X sensor, a Y torquer and a Y sensor; the digital signal processor comprises an A/D convertor, an X-PWM generator and a Y-PWM generator; the gyro is connected with an input circuit, the X sensor and the Y sensor are respectively connected with the A/D convertor inside the digital signal processor through an X error identification circuit and a Y identification circuit; the X-PWM generator and Y-PWM generator inside the digital signal processor are respectively the X torquer and the Y torquer through an X pulse current control circuit and a Y pulse current control circuit; the digital signal processor is connected with the motor in the gyro assembly through a motor power supply control circuit; the digital signal processor is provided with a communication interface. In the invention, signal error of the gyro sensor is directly acquired, thus fundamentally removing non-linear error of the gyro torquer.

Description

technical field [0001] The invention relates to a rebalancing device, in particular to a DSP-based flexible gyro digital rebalancing device. Background technique [0002] Inertial navigation is an important technical discipline, and it is one of the key technologies for many aircraft, ships, missiles and other carriers to successfully complete navigation and control tasks. In recent decades, inertial navigation technology has developed rapidly. In my country, inertial navigation technology has been applied in the navigation and positioning of aviation, aerospace, navigation and land vehicles. Because the strapdown inertial navigation system has many advantages compared with the platform type inertial navigation system, it has also received more and more attention from various countries. [0003] At present, the domestically produced power tuning gyroscope has reached a relatively high level of technology, but the rebalancing circuit matched with the power tuning gyroscope i...

Claims

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Application Information

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IPC IPC(8): G01C19/00
Inventor 陈飞谢雪峰邓扶源
Owner 国营三四0五厂
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