Aiming at the problem that the shear wind interference makes the aerodynamic load larger when the new generation launch vehicle passes through the windy area, a multi-loop self-adaptive active load relief control method is proposed. Based on the overload feedback load relief method, the observer compensation loop is introduced, and the influence of the multi-loop joint load relief control method on the aerodynamic load and the control load is derived. An adaptive gain real-time scheduling algorithm based on aerodynamic estimation is designed. The simulation evaluation results show that the multi-loop adaptive load relief control method has better adaptability to shear wind interference than the overload feedback load relief control method, which can further improve the load relief ability.
Single-station passive positioning and tracking technology is a technology that uses an observation platform, and the device itself does not actively transmit signals, but only passively receives information from the radiation source to achieve positioning. There are two main types of positioning properties: one is to use the radiation signal of an unknown radiation source to determine the type of the radiation source and its platform location; the other is to use a radiation source with a known geographic location to determine the space and movement of objects in navigation information. Passive positioning technology itself does not radiate electromagnetic waves, has good concealment, and is of great significance in electronic countermeasures. Single-station passive positioning technology uses an observation platform to locate the target. Because the amount of information acquired is relatively small, the positioning is relatively difficult to achieve. Single-station passive positioning technology uses an observation platform to locate the target. Because the amount of information acquired is relatively small, the positioning is relatively difficult to achieve. In terms of geometric definition, single-station passive positioning is to use the intersection of multiple positioning curves to achieve positioning, that is using the kinematics principle to measure distance, geometrical principle positioning and non-linear filtering to perform fast and high-precision fixed or moving radiation sources. Positioning and tracking.
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