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บทความวิชาการ
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8-53 Abstract : �Rocket-launching device system is the most crucial
mechanism that can negatively affect the unguided rocket firing precision. Not only the strength of the structure, but also the stability and accuracy of all associated moving parts, must be taken into the consideration. During firing, thrust from the rocket can make launching platform vibrated, while reduces accuracy of the target�shooting. This paper presents a 3 degrees of freedom dynamic system simulation of the launching device system using MATLAB in case of finding minimum time during salvo firing. The relationship between thrust of the rocket and vibration characteristics of the rocketlaunching device system is an important portion in order to analyze�and design for more stable and precise launching mechanism. The result of understudied dynamic system simulation of the 3 degrees of freedom of rocket-launching device reveals that instead of finding minimum time, the maximum energy with free final time can be used to obtain the result. Moreover, the result could bring the system to stability much faster than ordinary forward integration if the system allows one to have a mechanism design for controlling the force that acting on the platform.

Author :�Tawiwat V., Phermsak S., Piangpen P.


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