Aircraft hover longitudinal automatic compensation trim control method
By filtering and limiting the roll angle signal, calculating the trim normal overload and overload increment, and generating longitudinal stick displacement compensation commands, automatic longitudinal stick displacement compensation of the aircraft is realized. This solves the problem of pilots pulling the stick for trim for a long time during the turn, improves the aircraft's maneuverability and reduces pilot fatigue.
CN122411482APending Publication Date: 2026-07-17SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
- Filing Date
- 2026-03-30
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
In existing technologies, pilots need to maintain stick balance for extended periods during circling, leading to fatigue.
Method used
The roll angle signal is processed by a low-pass filter and a limiter to calculate the trim normal overload and overload increment, generate the aircraft longitudinal stick displacement compensation command, realize automatic longitudinal stick displacement compensation, and ensure that the aircraft maintains zero longitudinal stick trim during the turn.
Benefits of technology
It reduces the pilot's workload in circling and trimming, improves the aircraft's maneuverability and stability during circling, and reduces pilot fatigue.
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Figure CN122411482A_ABST
Abstract
本申请属于飞行控制领域，特别涉及一种飞行器盘旋纵向自动补偿配平控制方法。方法包括：步骤一、通过低通滤波器对滚转角信号进行滤波；步骤二、通过限幅器对滚转角信号进行限幅；步骤三、根据滚转角信号计算配平法向过载；步骤四、根据配平法向过载确定配平过载增量；步骤五、根据配平过载增量生成飞机纵向杆位移补偿指令，并根据飞机纵向杆位移补偿指令实现飞机纵向杆位移补偿，确保盘旋过程中飞机纵向杆0杆量配平。本申请的飞行器盘旋纵向自动补偿配平控制方法，可以在保证飞机高机动性的同时，解决飞行员盘旋长期拉杆配平的问题，通过盘旋纵向自动补偿配平，减轻飞行员盘旋配平负担。
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