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BALCO 6/7-DoF trajectory model

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Author: Wey, P. · Corriveau, D. · Saitz, T.A. · Ruijter, W. de · Strömbäck, P.
Source:29th International Symposium on Ballistics, Edinburgh International Conference Center, Edinburgh, Scotland, 9-13 May 2016, 151-162
Identifier: 535763
Keywords: Ballistics · Mechanics, Materials and Structures · WS - Weapon Systems · TS - Technical Sciences


BALCO is a six- and seven-degree-of-freedom trajectory simulation program based on the mathematical model defined by the NATO Standardization Recommendation 4618. The primary goal of BALCO is to compute high-fidelity trajectories for both conventional and precision-guided projectiles. The 6-DoF model is used to describe the motion of single rigid bodies. The 7-DoF model allows the description of a projectile which consists of two coaxial rigid bodies that can spin independently. Actuators such as isolated control surfaces, thrusters or internal roll control devices can optionally be attached to the rigid body. Controlling the state of these actuators offers a control authority on the trajectory. The verification of the BALCO results by comparison with reference codes is in progress. After the verification process, BALCO will be released as NATO Technical Shareable Software.