Analyzing the Method of Hanging Weighing Aircraft to Determine the Center of Gravity and the Compound Weighing Device

A center of gravity position and composite technology, applied in the direction of measuring devices, weighing, instruments, etc., can solve the problems of complex work of aircraft center of gravity data measurement operation, complex process of solving equations, and complex aircraft weighing methods, etc., to achieve auxiliary measurement Fewer tools and equipment, simple weighing method, and solve complex effects

Active Publication Date: 2014-08-06
CHENGDU AIRCRAFT INDUSTRY GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

4. aircraft weighing method is complicated, and adjustment is inconvenient
Three-direction aircraft center of gravity da

Method used

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  • Analyzing the Method of Hanging Weighing Aircraft to Determine the Center of Gravity and the Compound Weighing Device
  • Analyzing the Method of Hanging Weighing Aircraft to Determine the Center of Gravity and the Compound Weighing Device
  • Analyzing the Method of Hanging Weighing Aircraft to Determine the Center of Gravity and the Compound Weighing Device

Examples

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Example Embodiment

[0025] In Figures 1 and 2, a composite weighing device composed of a front and rear pressure measurement system is described.

A best embodiment. The method of the present invention for analyzing the position of the center of gravity of the suspended weighing aircraft may be:

[0026] 1) The aircraft is mounted on a three-dimensional adjustable compound weighing device with three-point support, the level of the aircraft 1 is adjusted, and

Through the known fulcrum coordinates of the front support 2 and the rear support 3 on the aircraft, the front scale 7 on the compound weighing device

Calculate the position of the center of gravity of the aircraft heading with the reading of the pressure sensor 10 of the rear scale 8 using the torque balance formula;

[0027] 2 Suspend the aircraft 1 on the truss with the suspension rope 5 through the suspension point located in the center of the cone surface of the support 3, and support it at the rear

An inclination sensor 6 fitted with the c...

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Abstract

The present invention proposes a method for determining the position of the center of gravity of an analytically hanging weighing aircraft and its compound weighing device. By using the compound analytical weighing method of the present invention in combination with the hanging weighing method and its compound weighing device, it is only necessary to One time of horizontal weighing and one time of hanging, the position of the center of gravity of the aircraft in three directions can be obtained. The present invention is achieved through the following technical solutions. Use the compound weighing device with three-dimensional adjustable three-point support to adjust the plane level, and pass the known coordinates of the front support and the rear support, through the pressure sensors of the front scale and the rear scale on the compound weighing device From the readings, the position of the center of gravity of the aircraft heading is calculated. Suspend the aircraft on the truss by a sling, install an inclination sensor between the sling and the rear support, and measure the relative angle between the axes of the above sling and the rear support in the pitch and yaw directions through the inclination sensor; according to "Aircraft Calculate the position of the center of gravity of the aircraft in the vertical direction and yaw direction by using the drawing method in the Design Manual.

Description

Method for determining the position of the center of gravity of an analytically suspended weighing aircraft and the technical field of a compound weighing device The present invention relates to a kind of method for determining the center of gravity position of small-sized aircraft, and the present invention also relates to weighing aircraft in this method Heavy compound weighing device. Background technique At present, the method for determining the position of center of gravity of small aircraft mainly adopts the publication in October, 1999 by Aviation Industry Press Chapter 8 of Volume 8 of "Aircraft Design Manual" describes methods such as drawing method and analytical method. The graphing method described therein is the general By supporting the wheels, change the attitude of the aircraft three times, measure three sets of defined related geometric dimensions, and then make The position relationship between the average aerodynamic chord and the measured size is ...

Claims

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Application Information

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IPC IPC(8): G01G19/07
Inventor 何世伟张志坚
Owner CHENGDU AIRCRAFT INDUSTRY GROUP
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