一种机载气动数据拟合方法、装置及存储介质
By classifying data, performing preliminary cropping, and using an improved genetic algorithm to fit aerodynamic data, the problems of slow calculation speed, large storage requirements, and poor data continuity of aerodynamic interpolation tables were solved, achieving efficient airborne aerodynamic data fitting.
CN117851880BActive Publication Date: 2026-07-17XIAN FLIGHT SELF CONTROL INST OF AVIC
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- XIAN FLIGHT SELF CONTROL INST OF AVIC
- Filing Date
- 2023-12-26
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technologies suffer from problems such as slow calculation speed, large storage requirements, poor data continuity, and complex testing implementation of pneumatic interpolation tables.
Method used
By classifying, initially pruning, segmenting, and using an improved genetic algorithm to prune the feature set, C language code and task specifications are generated to achieve fitting of aerodynamic data.
Benefits of technology
It accelerates the onboard calculation speed of aerodynamic interpolation tables, reduces storage space, improves calculation accuracy, and is easy to test and implement.
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Figure CN117851880B_ABST
Abstract
本发明提供一种机载气动数据拟合方法、装置及存储介质，属于软件算法技术领域，该方法先进行数据分类，得到本体特性数据、舵效数据、舵面间干扰数据，每类数据均包含纵向数据和横航向数据；再初步裁剪数据所有可能的特征集；然后对数据进行分割，并采用初步裁剪的特征集进行拟合；之后基于改进的遗传算法对拟合的特征集做进一步的参数裁剪；最后判定拟合结果是否满足要求；通过本发明可加快气动插值表的机载计算速度，减少存储空间，提高计算精度，能够根据实际任务需求对数据自动进行裁剪和拟合，且易于测试和实现；用于解决复杂插值表机载实现带来的时延高、储存空间大和数据不光滑等问题。
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