中国舰船研究
中國艦船研究
중국함선연구
CHINESE JOURNAL OF SHIP RESEARCH
2015年
4期
22-28
,共7页
航空母舰%舰载机%自动着舰%频率采样%甲板运动%补偿
航空母艦%艦載機%自動著艦%頻率採樣%甲闆運動%補償
항공모함%함재궤%자동착함%빈솔채양%갑판운동%보상
aircraft carrier%carrier-based aircraft%automatic landing%frequency sampling%deck motion%compensation
航空母舰甲板垂向运动是舰载机高海况着舰误差的主要因素,为提高舰载机在高海况下的自动着舰精度,自动着舰系统采用甲板运动补偿器根据甲板垂向运动生成补偿指令,以驱动舰载机精确跟踪甲板运动,从而减少着舰误差。常规甲板运动补偿器在补偿频率范围内虽然可以实现预期补偿效果,但在补偿频率范围外存在高增益区域,对甲板运动中的高频分量起放大作用,并且将其混入生成的补偿指令中,会对舰载机飞行安全产生影响。为在有效补偿的同时减少对甲板运动高频分量的放大作用,通过对舰载机自动着舰系统的频率响应按频率进行采样,设计出离散甲板运动补偿器频率响应,采用频率采样法设计数字式有限冲击响应(FIR)甲板运动补偿器。仿真结果表明:所设计的基于频率采样方法的FIR甲板运动补偿器在有效补偿由甲板运动引起的舰载机着舰误差的同时,可有效降低甲板运动高频分量的影响,提高着舰精度。
航空母艦甲闆垂嚮運動是艦載機高海況著艦誤差的主要因素,為提高艦載機在高海況下的自動著艦精度,自動著艦繫統採用甲闆運動補償器根據甲闆垂嚮運動生成補償指令,以驅動艦載機精確跟蹤甲闆運動,從而減少著艦誤差。常規甲闆運動補償器在補償頻率範圍內雖然可以實現預期補償效果,但在補償頻率範圍外存在高增益區域,對甲闆運動中的高頻分量起放大作用,併且將其混入生成的補償指令中,會對艦載機飛行安全產生影響。為在有效補償的同時減少對甲闆運動高頻分量的放大作用,通過對艦載機自動著艦繫統的頻率響應按頻率進行採樣,設計齣離散甲闆運動補償器頻率響應,採用頻率採樣法設計數字式有限遲擊響應(FIR)甲闆運動補償器。倣真結果錶明:所設計的基于頻率採樣方法的FIR甲闆運動補償器在有效補償由甲闆運動引起的艦載機著艦誤差的同時,可有效降低甲闆運動高頻分量的影響,提高著艦精度。
항공모함갑판수향운동시함재궤고해황착함오차적주요인소,위제고함재궤재고해황하적자동착함정도,자동착함계통채용갑판운동보상기근거갑판수향운동생성보상지령,이구동함재궤정학근종갑판운동,종이감소착함오차。상규갑판운동보상기재보상빈솔범위내수연가이실현예기보상효과,단재보상빈솔범위외존재고증익구역,대갑판운동중적고빈분량기방대작용,병차장기혼입생성적보상지령중,회대함재궤비행안전산생영향。위재유효보상적동시감소대갑판운동고빈분량적방대작용,통과대함재궤자동착함계통적빈솔향응안빈솔진행채양,설계출리산갑판운동보상기빈솔향응,채용빈솔채양법설계수자식유한충격향응(FIR)갑판운동보상기。방진결과표명:소설계적기우빈솔채양방법적FIR갑판운동보상기재유효보상유갑판운동인기적함재궤착함오차적동시,가유효강저갑판운동고빈분량적영향,제고착함정도。
The vertical motion of the aircraft carrier is a major cause behind carrier-based aircraft landing error. In order to enhance the landing precision of carrier-based aircraft in high sea state,the automatic carrier landing system incorporates a deck motion compensator to generate the compensation command that corresponds with the vertical deck motion. This command guides the aircraft's tracking motion precisely and reduces the landing error significantly. In most cases,the deck motion compensator can realize the ex?pected compensation effect within the compensation frequency region,but it usually induces a high gain re?gion outside the compensation range,which amplifies the high frequency component of deck motion and threatens the aircraft flight safety. In order to compensate deck motion effectively and reduce the influence of the high frequency component of deck motion,the frequency response of a discrete deck motion compen?sator is designed in this paper through an automatic landing frequency sampling system,and a deck motion compensator with digital Finite Impulse Response(FIR)is also designed by using the frequency sampling method. The simulation results indicate that the proposed FIR deck motion compensator can decrease the aircraft landing deviation effectively.