作者：范晓龙1, 闫鹏庆1, 赵箫宇1, 宋婉琪2
作者单位：1. 中国飞行试验研究院，陕西 西安 710089;
2. 西北工业大学机电学院，陕西 西安 710072
关键词：飞机架水平;自动控制;自动调平;滑模控制;电液控制
摘要：
为提高飞机架水平操作过程的自动化水平，该文针对运八飞机在飞行试验过程中所需的飞机架水平操作系统进行设计研究，提出一种基于高阶滑模算法的运八飞机架水平控制及实现方法。该方法基于三点调平机构，在对系统硬件进行设计的基础上，分别对系统支撑装置、驱动电机、电动泵以及千斤顶进行数学建模分析，并基于高阶滑模算法对控制系统以及滑模控制器进行设计。搭建试验平台进行验证，试验结果表明：飞机各支点位置误差在0.5 mm以内，实际运行测试结果与仿真结果误差较小，误差仅为1.9%。该系统能够实现预期目标，调平精度满足技术要求，可为飞机架水平操作提供一种新的发展方向。
Aircraft leveling control method based on high-order sliding mode algorithm
FAN Xiaolong1, YAN Pengqing1, ZHAO Xiaoyu1, SONG Wanqi2
1. Chinese Flight Test Establishment, Xi’an 710089, China;
2. School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, China
Abstract: To address the lack of automation in aircraft leveling operations，this paper studies the leveling system for the gravity test of aircraft , and the control algorithm and the related realization method is proposed for the aircraft automatic leveling system. Based on the three-point leveling mechanism, on the basis of the hardware design of the system, the mathematical modeling analysis of the system support device, drive motor, electric pump and jack was carried out. The design is based on high order synovial algorithm system and sliding mode controller. The test results show that the support point position error is within 0.5 mm, and the error between the actual test results and the simulation results is only 1.9%. The system can achieve the expected goal, the leveling accuracy meets the technical requirements, and provides a new development direction for the aircraft frame level.
Keywords: aircraft leveling;automatic control;automatic leveling;sliding mode control;electro-hydraulic control
2024, 50(5):174-179 收稿日期: 2023-11-30;收到修改稿日期: 2024-01-06
基金项目:
作者简介: 范晓龙(1981-),男,辽宁法库县人,高级工程师,硕士,研究方向为飞行试验测试改装与平台改装总体、结构及系统设计,飞行试验专项试验系统设计与研制。
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