Mooring airship attitude measurement device and method

A measuring device and airship technology, applied in the field of attitude measurement and control, integrated navigation and guidance

Active Publication Date: 2013-11-13
HUNAN AEROSPACE ELECTROMECHANICAL EQUIP & SPECIAL MATERIAL INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a tethered airship attitude measurement device and measurement method to solve the attitude measurement problem of the tethered airship working in the air for a long time and improve the measurement accuracy.

Method used

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  • Mooring airship attitude measurement device and method
  • Mooring airship attitude measurement device and method
  • Mooring airship attitude measurement device and method

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Embodiment Construction

[0062] Such as figure 1 with figure 2 As shown, the tethered airship attitude measurement device in an embodiment of the present invention includes a laser gyro strapdown inertial navigation, a navigation processing module, and a GPS positioning and orientation module. The navigation processing module includes an FPGA and a DSP, and the FPGA is bidirectionally connected to the DSP. , the FPGA is connected to the laser gyro strapdown inertial navigation, GPS positioning and orientation module, and tethered airship control system.

[0063] The laser gyro strapdown inertial navigation is an existing mature product, and its core components are three quartz flexible accelerometers and three 50-type two-frequency machine-shaking laser gyro. The gyroscope and accelerometer are installed orthogonally on the base, and are used to measure the three-way angular velocity and three-way acceleration information of the carrier along the carrier coordinate system, which are transmitted to t...

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Abstract

The invention discloses a mooring airship attitude measurement device and method. The mooring airship attitude measurement device comprises a laser gyroscope strapdown inertial navigation module, a navigation processing module and a GPS (global positioning system) positioning and orientating module, wherein the navigation processing module comprises an FPGA (field programmable gate array) and a DSP (digital signal processor) which are connected bidirectionally; and the FPGA is connected with the laser gyroscope strapdown inertial navigation module, the GPS positioning and orientating module and a mooring airship control system. The measurement device disclosed by the invention is simple in structure, is high in accuracy, is low in power consumption, is good in environment adaptability, and is high in reliability; through synchronously collecting the orientation and speed information of the GPS positioning and orientation module, the difference value between the orientation and speed information of a GPS and the orientation and speed information of navigation resolution acts as the input of a Kalman filter; and the error of inertial navigation is estimated in real time, and meanwhile is fed back and rectified, and the long-time accuracy maintaining of navigation information is realized.

Description

technical field [0001] The invention relates to the fields of combined navigation and guidance, and attitude measurement and control, in particular to a tethered airship attitude measurement device and a measurement method. Background technique [0002] The tethered boat floats in the air for a long time to work after it is launched, and it is necessary to obtain high-precision attitude information of the tethered boat in real time for attitude control of the tethered boat. Therefore, it is necessary to develop an attitude measurement device for high-precision measurement of the attitude and other information of the moored boat. [0003] Currently, strapdown inertial navigation systems or multi-antenna GPS attitude measurement systems are usually used on moored boats. Strapdown inertial navigation does not rely on any external information, and can measure the true north heading, pitch and roll of the carrier. However, during the initial alignment period, the carrier is requ...

Claims

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Application Information

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IPC IPC(8): G01C21/16G01C21/20G01S19/49
Inventor 杨锐李仔冰李良君
Owner HUNAN AEROSPACE ELECTROMECHANICAL EQUIP & SPECIAL MATERIAL INST
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