位置誤差系數 的英文怎麼說
中文拼音 [wèizhìwùchāxìshǔ]
位置誤差系數
英文
position error coefficient- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 置 : 動詞1. (擱; 放) place; put; lay 2. (設立; 布置) set up; establish; arrange; fix up 3. (購置) buy; purchase
- 誤 : 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 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 誤差 : error
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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As to the critical technological problems of the interlock control of three - car coke oven - oven number identification, accurate contraposition and data transmission, the author proposes solutions respectively - rfid, three - light positioning device, coke oven controller and radio transmission network. these solutions can ensure accurate identification of the oven number. for example, the deviation of the automatic parking position is within 10mm
針對三車聯鎖控制環節的關鍵技術:爐號識別、精確對正和數據通信,本系統採用了射頻識別( rfid )裝置、三燈位置檢測裝置、焦車控制器、無線通訊網路等解決方案,可實現無差錯的爐號識別,自動停車定位誤差在10mm以下,通信數據可靠等系統要求。In this system, the movement of the step - electromotor is controlled by computer, and then the dial pointer is drove by the step - electromotor. at the same time, these images of the analog instrument are took by high precision ccd video, and then these images will be processed by the computer, using some image - processing algorithms such as image segmentations, threshold identification, image binarization, areas labeling, dial center - point identification, useful areas identification & abstracting, and areas thinning, etc. followed this, the dial pointer of the “ circle ” is able to be located. at last, the dial pointer position will be recognized by the computer
本系統由計算機控制步進電動機的運動,進而驅動指針式儀表表針的運動,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時進行表盤圖像的相關處理,包括圖像分割,閾值確定,圖像二值化,區域標記演算法,圓心擬合,有效區域識別提取,區域細化等,最終快速識別出表盤指針所處位置;最後,根據國家指針式儀表類檢定規程所制定的演算法計算出該儀表的相關誤差,檢定指針式儀表的各種精度,通過這些數據判斷該儀表是否合格,列印該儀表的檢定結果報表。Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。Taking intercontinental ballistic missiles as objects under research, and based on the analysis of the influence of accelerometer measurement error and gyroscope excursion error on the apparent acceleration, the error transfer model of the inertial system in a midcourse guidance segment for velocity and location is given, and the pure inertial navigation guidance error is computed with the given imu error coefficient deviations
摘要針對洲際彈道導彈,在分析加速度計測量誤差和陀螺漂移誤差對導彈視加速度影響的基礎上,給出了中制導段慣性系統對速度和位置的誤差傳遞模型,對給定的慣組誤差系數偏差進行了純慣性導航制導誤差計算。This method applied to the measurement of precision of original azimuth of underwater to surface missile, through measuring exterior information using optical measurement device, measuring accurate position of shore beacon, calculating error of missile aiming system
通過光測設備測量系統外部的信息,測量岸標的精確位置,來推算系統的瞄準誤差。對外測岸標法,建立了數學模型,詳細討論了外測岸標的標定方法、原理和方位角的解算。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、航向角和姿態角及航跡推算下的位置等導航參數的累積誤差。Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error
對不完整圓的位置、不完整圓的轉動間隙、鎖緊變形、基準尺調整、重復安裝、電源電壓波動、標記轉動等隨機誤差進行了逐項分析,並給出轉動標記隨機誤差的計算公式。對大直徑測量儀的系統誤差?基準尺尺架誤差、滾輪直徑誤差、環境溫度引起的誤差、後退距離引起的誤差、角度誤差、數據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算,最後對誤差進行合成。In this paper we made a systemic analysis and study of the accurate orientation technology in the process of helicopter landing - photogrammetry, made the model of using double ccd to measure the exact position of helicopter based four latent points photogrammetry, educed formula about beaconing position, analyzed the computing error, and particularly computed the information of beaconing position of the helicopter ' s landing by experiment emulation. in the result, the error between a computed value and a measurement value was less than 5 centimeters
本文對直升機著艦精確定位技術中的攝影測量演算法進行了系統分析和深入研究,在四特徵點測量演算法基礎上建立了雙ccd攝影測量直升機精確位置坐標的數學模型,進一步從各個影響演算法測距精度的方面討論了計算誤差,推導出測量信標坐標位置的計算公式,並對利用雙攝影測量演算法計算直升機著艦掛鉤位置的正確性及準確性進行了模擬實驗,得到的演算法計算值和實驗測量值之間的誤差在5cm以內。Then, we use a simulation method to create a large number of radar measurement values, produce a quantity of random numbers using computer software and add them to the radar measurement values, we use kallman filtering method to calculate the location, velocity and trajectory coefficient of the target at the moment of the final tracking point, and use the numerical solving method of differential equation to calculate the trajectory, the location of the hostile artillery or the impact point of its own projectiles, finally, we calculate statistically the random error of the tracking system and analyze the location accuracy
然後採用模擬模擬方法獲得大量的雷達測量值,由計算機軟體產生大量的隨機數,加入雷達測量值中,用卡爾曼濾波法計算出最後跟蹤點時刻的目標位置、速度和彈道系數,再用微分方程數值解法計算出整個彈道軌跡、計算出敵方炮位的位置或己方炮彈的落點,最後統計出跟蹤系統的隨機誤差,分析定位精度。The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study
為改善上述缺點,本文進行了以下的研究工作:在忽略耗能器附加質量的基礎上,推導出適用於耗能減震結構的攝動法,減少振型分解法在迭代計算過程中的工作量,加快計算速度;針對運動方程的強行解耦所產生的誤差,根據攝動法原理,對其進行一階攝動修正;為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的誤差,引入狀態空間對系統進行復模態分析,並改進了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法;對于耗能器的數量和位置優化進行了一些探討和研究。Initial alignment is to put on some speed of control angel in order to transferring the maths platform to expected location. it can be controlled by error equation. in the platform system, it used to adopt the modern control theory method
初始對準從控制上講就是施加一定的控制角速度把數學平臺轉向期望的位置(與地理坐標系重合) ,它是按誤差方程進行控制的,過去在平臺系統中採用頻率特性方法,目前已經採用了現代控制理論設計方法。The main innovations done in the thesis are as follows : 1. the rotation effect of navigation coordinate is well compensated in sins attitude algorithms. scrolling error compensation can directly be used in the position matrix update algorithms
在捷聯慣導數字迭代演算法中,姿態演算法有效處理了導航坐標系旋轉的影響,利用位置矩陣求解位置的方法很容易地解決了渦卷誤差的補償問題。( 3 ) how to design the bayesian test method about the parameter ' s linear hypothesis according to the relationship between the multivariate t distribution and f distribution. ( 4 ) the bayesian diagnosis and unit root test method about the random error series. ( 5 ) the bayesian mean value quality control chart when the variance is known and the mean value - standard error control chart when the variance is unknown
然後,研究了擴散先驗分佈下單方程模型參數的貝葉斯估計理論,證明了模型系數的后驗分佈為多元t分佈,模型誤差項方差的后驗估計為逆gamma分佈;根據多元t分佈和f分佈之間的關系,構造了模型系數線性假設檢驗的貝葉斯方法;根據hpd置信區間構造了隨機誤差序列自相關的貝葉斯診斷和單位根檢驗方法,並利用單方程模型的貝葉斯推斷理論研究了方差已知時的貝葉斯均值控制圖和方差未知時的貝葉斯均值?標準差控制圖。The integrated navigation and position system, composed of gps and map matching technology, is applied in this text. the higher road network information in the digital map database is used as the moulding board to revise positioning errors of the receiving datum. according to the result of this pattern recognition process, the exact location will be displayed on the digital map
針對於此,本課題採用gps地圖匹配( mapmatching , mm )組合定位技術,藉助于地理信息系統( geographicinformationsystem , gis )數字地圖中的高精度道路網信息作為分類模板進行模式識別,根據識別結果校正gps原始定位數據的定位誤差,並把校正後的地理位置實時地顯示在電子地圖上。Use the magnetic vector for the observation information, the paper estimate the location and rate of the satellite, analysis of simulation results and the sources of error. to further enhance navigation accuracy, the paper study the unscented kalman filter, compare with the extend kalman filter. in the same initial conditions of the extend kalman filter, we do the simulation
其次,基於磁環境模擬系統的測量數據,本文研究了擴展卡爾曼濾波演算法,建立了衛星的運動學和動力學方程,以地磁場矢量為觀測信息,對衛星位置速度進行了估計,並分析了模擬結果及誤差來源,為了進一步提高導航精度,本文又研究了unscented卡爾曼濾波演算法,給出了原理及步驟,並與擴展卡爾曼濾波進行了比較分析。In this situation, we are confronted with not only the problem that truncation error is large while the target maneuvering and the trajectory changing notably, but also the problem that how to fuse all kinds of data effectively
在多傳感器目標跟蹤系統中,不僅同樣面臨著目標機動、彈道變化劇烈時多項式濾波的截斷誤差較大的問題,而且需要考慮測速數據和位置觀測數據的有效融合。In this paper, an integral scheme of 16 position error calibration and autonomous alignment for three axis platform is given. it may calibrate 33 errors in all. first, determine parameters with least square estimate, then bayes method, ridge regression estimation were discussed separately
本文設計了一個十六位置誤差標定方案,可以分離出總計33項誤差,首先用最小二乘估計方法進行參數辨識,而後,分別研究了基於bayes方法的誤差系數辨識,基於嶺估計的誤差系數辨識。Position error coefficient
位置誤差系數Theory of self - calibration of platform was enucleated. process of self - calibration of platform discussed in this thesis was given. observability of multi - position error calibration was studied, then calibrate the errors of the platform
闡明平臺誤差自標定原理,提出本文研究的平臺系統自標定過程,並研究多位置翻滾試驗下的可觀測性分析,進行平臺誤差系數的標定。The paper regards the middle hollow electrohydraulic servomotor as studying object and build the mathematical model, the stability and the frequency response of opened - loop and closed - loop system are analyzed. this paper discusses the influences of steady error and static error on system precision in detail
文章以中空電液伺服馬達為研究對象,建立了電液位置伺服系統數學模型,分析了系統的穩定性、開環和閉環的頻率特性,詳細探討了系統的穩態誤差和靜態誤差對系統精度的影響。分享友人