Analysis and control of error on two theodolite intersection measurement for gun rotated accuracy of artillery

Ze-lin, 孙泽林 Sun; Zhao, 王昭 Wang; Huan-chun, 翟唤春 Zhai

doi:10.3788/ope.20111910.2434

Cited by 4 publications

(2 citation statements)

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“…The spatial position is determined using the coordinate system OJ-XJYJZJ, which is established by two theodolites, U and V [16][17][18]. The angles between O and theodolites, as well as other angles between O', U and V are measured by them.…”

Section: Coordinate System Unificationmentioning

confidence: 99%

Coordinates measurement method under oblique incidence based on four-light-screen

Duan,

Ni,

2024

Speckle 2023: VIII International Conference on Speckle Metrology

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The Four-Light-Screen is often adopted for fire dispersion measurement of small arms. Due to gravitational acceleration and the muzzle vibration are always present, leading to projectile's velocity vector no-perpendicular to the target plane of the Four-Light-Screen, which is called the oblique incidence accordingly. The oblique incidence is violated the measurable conditions of the Four-Light-Screen measurement principle. Under the muzzle position measured in advance, the muzzle position after vibration is replaced to it. The connection between the muzzle and the coordinates measured by the Four-Light-Screen is approximated as the actual trajectory. Coordinates of oblique incidence projectiles measurement methods are proposed according to establishing the equation system between the actual trajectory equation and the four detection Light-Screen plane equations of the Four-Light-Screen. Both simulation and experimental results show that the proposed methods can measure coordinates of oblique incidence projectiles. The analysis and proposed coordinates measurement methods of oblique incidence bring much to the application of external ballistic parameters measurement of small arms.

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Section: Coordinate System Unificationmentioning

confidence: 99%

Coordinates measurement method under oblique incidence based on four-light-screen

Duan,

Ni,

2024

Speckle 2023: VIII International Conference on Speckle Metrology

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“…Since the vibration impact to the gun shooting is very large, and the position or the attitude of the weapon platform itself would change, therefore, the contact measurement method or the methods which assuming the reference point for the gun tube rotation remains the same state, such as the double GPS measuring method, the CCD + grid coordinate target method, the point light resource + CCD or PSD method, the double gyro measuring method, and the other measuring methods based on precision transmission mechanism cannot meet the measurement requirements of the repeat collimation precision [2][3][4][5][6]. At present, domestic ordnance industry mainly uses the non-contact measurement method with double theodolite to complete measuring the repeat collimation precision [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Design of measuring method for repeat collimation precision of self-propelled gun

Sun

2023

Fourth International Conference on Artificial Intelligence and Electromechanical Automation (AIEA 2023)

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The traditional method for measuring the repeat collimation precision of self-propelled gun uses the principle based on the double theodolite intersection. It is difficult to ensure the two marking points to represent the attitude of the gun tube, and the consistency of the theodolite position before and after firing. For solving the problems, a new method was proposed, the corresponding measurement principle and mathematical model has been created with a plane to represent the attitude of the gun tube and the other fixed plane to correct the position changes of the theodolites. The new method provides technical support for improving the accuracy and the reliability of the test results about the repeat collimation precision.

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Calibration and precise orientation determination of a gun barrel for agriculture and forestry work using a high-precision total station

et al. 2021

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Analysis and control of error on two theodolite intersection measurement for gun rotated accuracy of artillery

Cited by 4 publications

References 0 publications

Coordinates measurement method under oblique incidence based on four-light-screen

Coordinates measurement method under oblique incidence based on four-light-screen

Design of measuring method for repeat collimation precision of self-propelled gun

Calibration and precise orientation determination of a gun barrel for agriculture and forestry work using a high-precision total station

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