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The Analysis of Compound Control in the Pre-launch Attitude of Internally Carried Air-launched Rocket Based on Simulink

机译:基于Simulink的内部携带空气发射火箭前发射态度的复合控制分析

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With the development of modern war and the aggravation of space confrontation, modern battlefield has put forward a strong demand for the hidden, fast and flexible ability to enter space. All countries attach great importance to improving their space emergency launch capability in wartime. Air-launch rocket is based on aircraft, which can be rapidly deployed to any location in the world to achieve full launch. It is very suitable for rapid response to launch performance requirements. Internally Carried air-launched rocket is in the powerless flight state during the period when the main engine is ignited from the carrier, the position, motion and attitude of the carrier rocket are difficult to predict, and the initial position is located. The error of initial condition caused by orientation has a great influence on the precise guidance and navigation of rocket flight process. Prelaunch attitude control not only plays a significant role in the launching process of internally carried air-launched rocket, but also has an important influence on engine ignition and orbit injection accuracy. On the basis of full understanding of the attitude control methods of air launched rockets at home and abroad, also combined with the specific control requirements of pre-launch attitude control, a new control method using grid rudder and RCS and combined of aerodynamic force and direct force is proposed. The simulation of the compound control scheme is carried out by using Simulink. The control characteristics of the scheme are analyzed, and the feasibility of the scheme is verified.
机译:随着现代战争的发展和空间对抗的加剧,现代战场已经提出了隐藏的,快速灵活的能力,进入空间的强烈需求。所有国家重视提高战时其空间应急发射能力具有重要意义。空中发射火箭是基于飞机,它可以快速部署到任何位置,在世界上实现全面推出。它非常适合于推出性能需求做出快速反应。内部执行空中发射火箭是在期间无能为力飞行状态下,当主发动机从载体中,运载火箭的位置,运动和姿态点燃难以预测,并且初始位置的位置。引起的取向初始条件误差对火箭飞行过程中的精确制导和导航有很大的影响。发射前的姿态控制不仅对内部进行空中发射火箭的发射过程中显著的作用,而且对发动机点火和入轨精度有重要影响。在锁定了国内外空中发射火箭弹的姿态控制方式充分了解的基础上,还与前期推出的姿态控制中,采用新的控制方式电网舵和RCS的具体控制要求相结合,结合的气动力和直接力建议。该化合物控制方案的仿真是通过利用Simulink进行。该方案的控制特性进行了分析,并且该方案的可行性进行了验证。

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