姿態敏感系統 的英文怎麼說
中文拼音 [zītàimǐngǎnxìtǒng]
姿態敏感系統
英文
attitude sensing system- 姿 : 名詞1. (容貌) appearance; looks; mien; aspect 2. (姿勢) gesture; carriage; bearing
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 敏 : Ⅰ形容詞(靈敏;敏捷) quick; agile; smart; nimble Ⅱ名詞(姓氏) a surname
- 感 : Ⅰ動詞1 (覺得) feel; sense 2 (懷有謝意) be grateful; be obliged; appreciate 3 (感動) move; t...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 敏感 : sensitive; susceptible; tactful
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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This thesis, taking geosynchronous satellite as an example, studies systematically and thoroughly the multi - sensor information fusion technology, studies fault diagnosis and system rebuild technology in satellite attitude control system, and studies autonomous navigation, orbital keeping technology
本文以地球同步軌道衛星為研究對象,從理論上和工程上較系統和全面地研究了衛星姿態控制系統的多敏感器信息融合技術、故障診斷與系統重構技術、自主導航技術、軌道保持技術。Based on extended kalman filter ( ekf ) algorithm, an traditional attitude determination scheme using star sensors and gyros was studied, and proved not able to achieve the required precision. so a new idea called instrument - in - loop was presented what using the attitude information contained in the payload ' s data for the control loop. the simulation proved that the instrument - in - loop method can greatly improve the precision of attitude determination with low cost
建立了svom衛星各種姿態敏感器的測量模型,研究了基於推廣卡爾曼濾波演算法的「星敏感器+光纖陀螺」定姿方案,指出了其無法滿足svom衛星的定姿精度要求,並提出了instrument - in - loop的思想,即利用衛星有效載荷測量數據中蘊含的高精度姿態信息來濾波定姿,從而在避免使用昂貴的星敏感器的同時大大提高了系統的定姿精度。State and observation equations of each subsystem are established. filter algorithms of each subsystem and federated filter algorithms, centralized filter algorithms are also analyzed. when the sampling periods of the main filter and the subfilters are supposed to be different, the attitude determination effect is investigated and the computer simulation is done
星上多敏感器信息融合技術研究:構造了聯邦濾波結構,建立聯邦濾波各個子系統的狀態方程和量測方程,分析了各個子系統的濾波演算法和聯邦濾波演算法、集中濾波演算法,研究了在主濾波器采樣周期不同的情況下,以及各個子系統采樣周期不同步的情況下的定姿效果,並進行了數字模擬。Star sensor is an attitude sensitive measurement system with high - accuracy. the key to attitude measurement is how to realize star pattern recognition using star sensor
星敏感器是一種高精度的姿態敏感測量系統,如何實現星敏感器的星圖識別是姿態測量的關鍵。This paper presents and probes into several filtering schemes for the deep space explores attitude measurement system composed of star sensors and gyros. under the stellar - inertial modes, two attitude determination algorithms are designed which use the extended kalman filter. one of the algorithms is to linearized the state equation based on the optimal estimation
本文中以星敏感器和光纖陀螺為基本配置組成的深空探測器姿態測量系統為對象,針對星敏感器與光纖陀螺聯合定姿模式和基於星敏感器的定姿模式,對深空探測器的三軸姿態濾波技術方案進行了設計與研究。The system based on pid control theory has characteristics of fast response speed and higher peak overshoot, and it also has a good performance of tracking, but it is lack of ability of disturbance rejection. because smvs control method is insensitive to the variations of the model parameters, nonlinear and exterior noises, the attitude stabilization system designed based on smvs has fast response speed, higher ability of disturbance rejection and has no peak overshoot, namely, the system is robust
模擬結果表明,基於pid控制規律設計的系統具有響應速度快但超調大的特點,系統的跟蹤性能較好,但抗干擾能力較差;滑模變結構控制方法因為其對模型參數的變化、非線性和外擾噪聲的不敏感性,設計的聲納基陣姿態穩定系統無超調,響應速度快而且抗干擾能力強,具有很好的魯棒性。分享友人