姿態角誤差 的英文怎麼說

中文拼音 [tàijiǎochā]
姿態角誤差 英文
attitude error
  • 姿 : 名詞1. (容貌) appearance; looks; mien; aspect 2. (姿勢) gesture; carriage; bearing
  • : 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
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 誤差 : error
  1. Error analysis on getting inertial angular position with linear accelerometers is improved

    改進了對線加速度計測量慣性姿分析。
  2. The results of simulation given in this paper indicate that the sins / dtu can effectively improve on the following navigation parameters : velocity, latitude and longitude, yawing and attitude angle, position of track - reckoning etc

    模擬結果表明,該組合導航系統可有效地減小速率、經度和緯度、航向姿及航跡推算下的位置等導航參數的累積
  3. When the signal of gps is lost for five minutes, the position error is about 1400 meters, its velocity error is about 15m / s and its attitude angle error is about 10 degree

    在gps信號丟失5分鐘時,位置大約為1400米,速度大約為15米/秒,姿態角誤差大約為10度。
  4. Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated

    文摘:為了保證靜電監控器的導航定位精度,需要了解靜電陀螺的姿特性,建立相應的方程.本文採用球面三形原理推導了導航定位與陀螺姿的關系式.模擬結果表明,由初始定向引起的經度和距離的時間特性是周期變化的;由陀螺漂移引起的經度和距離是隨時間發散的.因此,初始定向和陀螺漂移的影響不能忽略,必須對其進行估計和補償
  5. Formulas are given for changing from any kind of parameters to the other three kinds of parameters. the model for attitude stabilization is established using quaternion or rodrigues parameters, and the model for attitude tracking is established using error quaternion or error rodrigues parameters. ( 2 ) attitude stabilization and attitude tracking are then studied

    本文的主要工作和貢獻有以下幾點: ( 1 )系統地研究了剛體姿的參數化描述方法,給出了描述剛體姿姿矩陣、歐拉、四元數和rodrigues參數的相互轉換關系,建立了基於四元數和rodrigues參數的剛體姿調節控制模型,和基於四元數和rodrigues參數的剛體姿跟蹤控制模型。
  6. The kalman filter theory is introduced and the dynamic error vector equation of the initial alignment is derived at the first. using velocity error as exterior value of observation, maneuverable characteristic that is influenced with system ' s observability and its degree is studied at length by do amount of simulations and experiences. choosing output error of accelerometers and angle error of attitude as observation respectively and system observation model is derived, which is based on analyzing kalman filter theory

    首先介紹了卡爾曼濾波理論及相關技術,建立了系統卡爾曼濾波的狀方程和觀測方程;首先採用速度作為觀測值,詳盡的研究了系統機動特性對可觀測性和可觀測度的影響,並做了大量模擬實驗:通過對濾波原理的分析研究了影響的原因;分別選用加速度計輸出和轉臺輸出姿態角誤差作為外部觀測值,推導建立它們的觀測模型,並通過模擬證明了分析結論的正確性。
  7. Traditional inertial mechanized - platform uses velocities to damp the system attitude to improve the precision of attitude, when the system acceleration is small. referring to the idea, this paper designeda damp kalman filter in strap - down attitude heading reference system ( ahrs ). the new method makes use of 3 - d accelerometer ' s measurements to estimate the system attitude, which is measured to compensate attitude errors. because the acceleration affected the precision of fiher directly, the fuzzy adaptive system was presented. the fuzzy logic inputs are three accelerations and the output is to control the measurement noise covariance matrix. simulations and experimental results prove that the damp algorithm can damp most of schuler oscillation and foucauh oscillation, so that to assure the filter convergence and efficiently improve the precision of strap - down ahrs

    在系統機動性不強的情況下,傳統的平臺內阻尼演算法將系統本身的速度信息通過阻尼網路加到系統中,達到提高姿精度的目的.將這種平臺內阻尼的思想引入到捷聯慣性航姿系統中,在系統加速度較小的情況下,利用加速度計的輸出估計系統姿,通過卡爾曼濾波的形式補償系統姿.由於加速度的大小直接影響濾波器精度,本文設計了模糊自適應卡爾曼濾波演算法,根據三軸加速度計的輸出調整內阻尼量測陣,從而避免了濾波器的發散.模擬和實驗驗證,內阻尼演算法可明顯抑制舒勒周期振蕩和傅科周期振蕩,避免了系統姿漂移,有效提高了捷聯慣性航姿系統的精度
  8. This paper stated the application of parallel link mechanism in modern machine tools, set up the error analysis as to parallel link mechanism in the virtucal - axis machine tool, derived the double triangular error equations of parallel link mechanicsm in its horizontal posture, analyzed the linearity and non - singularity of the error equations, thus giving the normal splution to the horizontal posture error. the error distribution law is simulated as to the center line in the workplace, and the error distribution curves are drawn as well

    該文對並聯機構在現代機床上的應用作了論述,建立了虛擬軸機床並聯機構的一種分析方法,應用坐標變換原理導出了雙三並聯機構水平姿時的方程組;分析了方程組的線性和非奇異性,給出了水平姿時的位姿正解;對工作空間中心線的分佈規律進行了模擬,繪制了其分佈曲線。
  9. The system was simulated in four kinds of conditions. the effect of gyro drift and accelerometer bias on the evaluation error of misalignment angles and attitude error was analyzed

    並且分四種情況對系統進行了模擬,分析了加速計零偏和陀螺漂移對失準估計姿的影響。
  10. The results indicate that : with sa, the position precision of the integrated system, whose gyro drifting is 50 degree / hour and whose accelerator offset is 0. 001g, is 60 meters, its velocity precision is about 1. 75m / s out and its attitude angle precision is about 0. 25 degree. without sa, the position precision is about 20 meters, its velocity precision is about 0. 5m / s and its attitude angle precision is about 0. 1 degree. when the signal of gps is lost, the growing rate of the integrated system error is much lower than that of sins system

    模擬結果表明:對于陀螺漂移為50度/小時、加速度計零偏為0 . 001g的組合系統,在有sa的情況下,位置精度大約為60米,速度精度大約為1 . 75米/秒,姿精度大約為0 . 25度;在無sa的情況下,位置精度大約為20米,速度精度大約為0 . 5米/秒,姿精度大約為0 . 1度;在gps信號丟失時,系統的增長速度比純sins系統明顯減緩。
  11. The simplified formula of imv is easily achieved in engineering. but it will bring on the error of imc, when the angles is nonzero. the paper quantitatively analysed the error with an example, and pointed out the effect of this error

    簡化后的像移速度公式在工程上容易實現,但是,在飛機姿不為零時,會產生像移。本文通過舉例的方法,對這種進行了定量的分析,指出這種對像質的影響程度。
  12. The simplified formula of image motion velocity ( imv ) is usually introduced in engineering. the formula ignores the effect of aircraft ' s initial rotational angle, which will necessarily bring on the error of imc

    像移補償在工程實現時,經常採用簡化的像移速度公式。忽略了飛機初始姿的影響,這就必然帶來補償后的像移
  13. This paper studied zero - velocity correct technology for ins, based on analysis of ins error equation, it concluded the method by which we can use ins velocity output to estimate the attitude angle error when the vehicle halted, then it contrasted two schemes of conic approximation of attitude angle error and put forward a method to decide the approximation coefficient by time range

    本文首先研究了車載捷聯慣導系統( ins )的零速修正技術,在分析捷聯慣導系統方程特點的基礎上,推導了停車時利用ins速度輸出估計姿的方法,並對用二次曲線擬合姿的兩種方案作了比較,提出了按時間分段確定擬合系數的方法。
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