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火箭发动机喷管与燃烧室柔顺对接方法
Authors
于海斌
刘勇
+4 more
徐志刚
王军义
贺云
韩瑞
Publication date
25 March 2022
Publisher
Abstract
本发明提供一种火箭发动机喷管与燃烧室柔顺对接方法,通过六自由度并联平台按预设的运动路径控制火箭发动机喷管运动至与火箭发动机燃烧室发生接触;记录六维力传感器返回的数据、火箭发动机喷管的位置姿态并测量记录碰撞点坐标,形成训练数据集;通过训练数据集训练神经网络模型,并通过狼群算法优化深度学习模型的预测数据集,提高对碰撞预测点的定位精度;根据六维力传感器解算碰撞点处受力情况;根据当前受力情况、模型预测受力情况以及当前火箭发动机喷管的位姿和碰撞点,通过柔顺控制数学模型解算出下一时间点的火箭发动机喷管的预期位姿;运用深度强化学习算法在线学习柔顺控制数学模型中的超参数,提高对接效果
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Last time updated on 19/05/2022