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A PN/SMC hybrid guidance law for missile with narrow field-of-view strapdown seeker

机译:具有窄视场捷联式导引头的导弹的PN / SMC混合制导律

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A hybrid guidance law based on both proportional navigation (PN) and sliding mode control (SMC) for missile with a strapdown narrow field-of-view (FOV) seeker is presented. The seeker FOV is an important limitation for guidance performance metrics when a strapdown seeker with a narrow FOV is used for tracking a target. A simplified strapdown guidance model is detailed. Then a hybrid guidance law included PN and SMC guidance laws is analyzed and formulated. Wherein, a first-order dynamic loop is used to represent the autopilot and remove the possible chattering phenomenon. The important guidance parameter of SMC guidance law is also analyzed. The trajectory simulation results validate the proposed hybrid guidance law.
机译:提出了一种基于比例导航(PN)和滑模控制(SMC)的混合制导律,用于具有捷联式窄视场(FOV)导引头的导弹。当具有窄FOV的捷联式搜寻器用于跟踪目标时,搜寻器FOV是制导性能指标的重要限制。详细介绍了简化的捷联式制导模型。然后,分析并制定了包含PN和SMC指导律的混合指导律。其中,一阶动态循环用于表示自动驾驶仪并消除可能的颤振现象。还分析了SMC指导法的重要指导参数。轨迹仿真结果验证了提出的混合制导律。

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