gyro bias 中文意思是什麼
gyro bias
解釋
陀螺偏差-
Simulations show that the bias, range and sensitivity of the gyro are seriously influenced by the mechanical coupling. 3
通過模擬發現機械耦合嚴重影響微陀螺的零點偏移、動態范圍、靈敏度等各項性能指標。 -
In this paper, optic gyro is viewed as the object of investigation and several aspects is investigated as follows. two important indexes - bias instability and scale factor were measured and investigated, including bias, its repetitiveness, temperature sensitivity, random walk coefficient and scale factor, its nonlinearity, asymmetry, repetitiveness. we make use of the allan variance method to separate the noise factors which affect the performance of the optic gyro, such as the angle random walk, bias instability, rate random walk, rate ramp, quantization noise, markov noise and sinusoidal noise
本文以光學陀螺為研究對象，開展了以下幾方面的研究工作：本文對光學陀螺性能的兩個重要指標?標度因數和零偏穩定性進行了較為詳細的研究，其中包括陀螺的零偏b _ 0 、零偏重復性b _ r 、零偏溫度靈敏度b _ t 、隨機遊走系數rwc和標度因數k 、標度因數的非線性k _ n 、標度因數不對稱性k _ h 、標度因數重復性k _ r等等。 -
In the attitude determination experiment, star sensor hardware is introduced into the control loop to correct the gyro bias. in the attitude control experiment, firstly using reaction thrusters to perform large - angle slew and then
姿態確定實驗中引入星敏感器實物到控制迴路中對陀螺數學模型中的漂移進行修正;姿態控制實驗中先進行噴氣大角度控制後用飛輪進行穩定控制。 -
The following important work has been done : ( 1 ) some special problems of rate - bias laser gyro were analysed. the problems include modulation and demodulation of the output and algorithm of the attitude updates ; ( 2 ) the integrated navigation system with the fault tolerance property which equipped with many navigation equipments as sins, gps, dvs, ads, mg, vg is designed, and compared with that of ckf via simulations ; ( 3 ) the theories and methods of system level fault detection apply to federated filtering is investigated ; ( 4 ) the problem about using the fused information of sins based on rate - bias laser gyroscope / dynamical tune gyroscope to realize the component level hard fault interactions detection through a back - propagation neural network is discussed
主要研究工作有：研究了速率偏頻激光捷聯慣導的陀螺測量信號的解調演算法；設計了在速率偏頻激光捷聯慣導、 gps 、多普勒雷達、大氣數據系統、磁航向儀及垂直陀螺配備條件下聯邦濾波組合導航系統，對聯邦濾波器和集中濾波器的性能做了模擬對比分析；研究了適用於聯邦濾波器的系統級故障理論和方法；探討了利用速率偏頻激光捷聯慣導撓性捷聯慣導陀螺的混合測量信息，通過神經網路實現硬故障交互檢測的方法。 -
The methodology and innovation in this paper is : ( 1 ) the problems which include modulation and demodulation of the rate biased laser gyro ' s output, algorithm of attitude updates, etc. are analysed. ( 2 ) the component level fault interactions detection of sins based on rate - bias laser gyro / dynamical tune gyroscope by using artificial neural network is investigated
具有創新性的工作有：推導了速率偏頻激光捷聯陀螺測量信息的解調演算法；應用神經網路解決了速率偏頻激光捷聯慣導撓性捷聯慣導陀螺間的硬故障交互檢測。 -
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角估計誤差和姿態誤差的影響。
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