航空工程进展
航空工程進展
항공공정진전
ADVANCES IN AERONAUTICAL SCIENCE AND ENGINEERING
2014年
4期
502-508
,共7页
起落架建模%缓冲器%前轮转弯%刹车系统%模拟器试验%Matlab/Simulink
起落架建模%緩遲器%前輪轉彎%剎車繫統%模擬器試驗%Matlab/Simulink
기락가건모%완충기%전륜전만%찰차계통%모의기시험%Matlab/Simulink
landing gear model%shock strut%nose wheel steering%brake system%simulator test%Matlab/Simu-link
为了评估起降阶段的飞机操控特性,针对某型飞机多轮多支柱式起落架系统,研究组成单个起落架支柱的轮胎、缓冲器、刹车系统、前轮转弯等部件的受力、力矩特性及传递过程。基于线性理论,将多个支柱运动特性叠加,运用Matlab/Simulink软件工具,建立整个系统的仿真模型。嵌入某型飞机六自由度运动解算模型进行飞机落震、加速滑跑、高低速转弯、起飞离地、着陆接地、刹车减速等仿真验证,并在某型飞机动基座模拟器上进行飞行试验。结果表明:该起落架模型各项功能完善,能够正确反映飞机姿态响应过程,飞机起降过程感受与真实飞机基本一致。
為瞭評估起降階段的飛機操控特性,針對某型飛機多輪多支柱式起落架繫統,研究組成單箇起落架支柱的輪胎、緩遲器、剎車繫統、前輪轉彎等部件的受力、力矩特性及傳遞過程。基于線性理論,將多箇支柱運動特性疊加,運用Matlab/Simulink軟件工具,建立整箇繫統的倣真模型。嵌入某型飛機六自由度運動解算模型進行飛機落震、加速滑跑、高低速轉彎、起飛離地、著陸接地、剎車減速等倣真驗證,併在某型飛機動基座模擬器上進行飛行試驗。結果錶明:該起落架模型各項功能完善,能夠正確反映飛機姿態響應過程,飛機起降過程感受與真實飛機基本一緻。
위료평고기강계단적비궤조공특성,침대모형비궤다륜다지주식기락가계통,연구조성단개기락가지주적륜태、완충기、찰차계통、전륜전만등부건적수력、력구특성급전체과정。기우선성이론,장다개지주운동특성첩가,운용Matlab/Simulink연건공구,건립정개계통적방진모형。감입모형비궤륙자유도운동해산모형진행비궤락진、가속활포、고저속전만、기비리지、착륙접지、찰차감속등방진험증,병재모형비궤동기좌모의기상진행비행시험。결과표명:해기락가모형각항공능완선,능구정학반영비궤자태향응과정,비궤기강과정감수여진실비궤기본일치。
In order to assess the handling characteristics of the aircraft at taking off and landing stage ,for a com‐plex aircraft landing gear systems ,the single strut landing gear system which is composed by tires ,shock strut system ,brake system and nose wheel steering system is studied ,including force analysis ,torque characteristic and its delivery process .Based on the linear theory and the Matlab/Simulink ,all the strut kinetic characteristics are superimposed together ,that constitutes a simulation model of the system .Moreover ,embedded in aircraft six degree of freedom model and been simulated ,including acceleration taxiing characteristics ,high/low speed turns characteristics ,take‐off characteristics ,landing characteristics and brake characteristics .The model is used in an aircraft moving base simulator for flight test .The simulation result indicates that this model accu‐rately reflects the aircraft attitude response in the process of plane’s taking off and landing .