INVERSE AERODYNAMIC COEFFICIENTS IDENTIFICATION OF A KINETIC ENERGY PROJECTILE FROM FLIGHT DATA

被引：0

作者：

Demailly, H. ^{[1
]}

Delvare, F. ^{[1
]}

Heddadj, S. ^{[1
]}

Grignon, C. ^{[1
]}

Bailly, P. ^{[1
]}

机构：

[1] Nexter Munit, 7 Route Guerry, F-18023 Bourges, France

来源：

BALLISTICS 2011: 26TH INTERNATIONAL SYMPOSIUM ON BALLISTICS, VOL 1 AND VOL 2 | 2011年

关键词：

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An identification technique for the aerodynamic coefficients of a Kinetic Energy projectile from flight data is proposed. The flight of the projectile is represented by a six degrees of freedom model where eight aerodynamic coefficients are involved. The identification technique is based on the optimization of a functional which involves the measurements (velocity, spin rate, ... ) and the aerodynamic coefficients. The numerical integration of the equations of motion and the minimization of the functional lead to a non linear system that, after resolution, provides the aerodynamic coefficients of the Kinetic Energy projectile and a recomputed flight which fits the best the measured data.

引用

页码：561 / 571

页数：11

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