电子测试
電子測試
전자측시
ELECTRONIC TEST
2013年
19期
56-58
,共3页
驾驶员诱发振荡%驾驶员模型%横航向
駕駛員誘髮振盪%駕駛員模型%橫航嚮
가사원유발진탕%가사원모형%횡항향
Pilot Induced Oscillation%pilot mode%lateral
随着电传操纵系统在现代飞机上的广泛应用,其动力学特性也越来越复杂。如果驾驶员的操纵与飞机性能及其外部环境不协调,则人机闭环系统稳定性下降,严重时会出现一种非期望的,不符合驾驶员意愿的闭环耦合振荡,直接影响到飞行安全,这种现象称为驾驶员诱发振荡。针对驾驶员操纵诱发横航向振荡问题,本文建立了横航向驾驶员-控制器-飞机本体组合系统的数学模型,研究驾驶员模型中诱发横航向振荡的关键参数。以空客A300飞机横航向模型进行闭环仿真分析,给出各个参数对横航向PIO的影响特性,分析结果对工程实践具有一定的指导意义。
隨著電傳操縱繫統在現代飛機上的廣汎應用,其動力學特性也越來越複雜。如果駕駛員的操縱與飛機性能及其外部環境不協調,則人機閉環繫統穩定性下降,嚴重時會齣現一種非期望的,不符閤駕駛員意願的閉環耦閤振盪,直接影響到飛行安全,這種現象稱為駕駛員誘髮振盪。針對駕駛員操縱誘髮橫航嚮振盪問題,本文建立瞭橫航嚮駕駛員-控製器-飛機本體組閤繫統的數學模型,研究駕駛員模型中誘髮橫航嚮振盪的關鍵參數。以空客A300飛機橫航嚮模型進行閉環倣真分析,給齣各箇參數對橫航嚮PIO的影響特性,分析結果對工程實踐具有一定的指導意義。
수착전전조종계통재현대비궤상적엄범응용,기동역학특성야월래월복잡。여과가사원적조종여비궤성능급기외부배경불협조,칙인궤폐배계통은정성하강,엄중시회출현일충비기망적,불부합가사원의원적폐배우합진탕,직접영향도비행안전,저충현상칭위가사원유발진탕。침대가사원조종유발횡항향진탕문제,본문건립료횡항향가사원-공제기-비궤본체조합계통적수학모형,연구가사원모형중유발횡항향진탕적관건삼수。이공객A300비궤횡항향모형진행폐배방진분석,급출각개삼수대횡항향PIO적영향특성,분석결과대공정실천구유일정적지도의의。
With the fly-by-wire system widely used in modern aircraft,the dynamic characteristics are more and more complex.If the pilot’s manipulation is not coordinated with the plane performance and the ex-ternal environment,the stability of pilot-aircraft closed system will decline.The unexpected Closed-loop coupling oscillation will appeare and can’t meet the will of the pilot,which has directly effects on the safety.This phenomenon is called pilot induced oscillation(PIO).Aiming at the problem of the lateral PIO, a mathematical mode of lateral pilot mode-controller-plane has been created in this article.The key param-eters of the pilot mode have been researched.According to the closed loop simulation analysis on the A300, the influence characteristic of the parameters to the lateral PIO has been acquired.The results have a cer-tain significance to the engineering practice.