隨動系統誤差 的英文怎麼說
中文拼音 [suídòngxìtǒngwùchā]
隨動系統誤差
英文
follow-up error- 隨 : Ⅰ動詞1 (跟; 跟隨) follow 2 (順從) comply with; adapt to 3 (任憑; 由著) let (sb do as he li...
- 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 ...
- 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
- 誤差 : error
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At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to
本文共分為五章:第一章緒論中,介紹了常見的位移傳感器,指出了霍爾傳感器的優良特性,提出了基本任務;第二章介紹了霍爾元件的基本工作原理;第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、頻率特性以及這些參數常用的補償方法和霍爾元件的簡單應用;第四章介紹了反饋隨動機構的測量原理,系統的實現方法,給出了實驗結果,構建了數學模型,並對誤差進行了分析;第五章展望中指出了今後的發展方向。Abstract : a detailed analysis is made of the errors made by the system trace, of the mutual relation between trace error and contour error and of the effect on accuracy produced by contour machining, and some computation formulas have been worked out
文摘:從進給伺服系統動態響應、滯后特性角度,較詳細地分析了跟隨誤差產生的原因,跟隨誤差與輪廊誤差之間的相互關系和對輪廊加工產生的精度影響,並給出了具體的計算公式。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。Based on analyzing causes of formation of system error, random error and gross error, together with their influences to observation values, method that examine whether there is system error in apparatus by using temperature values of unbonded elastic wire resistance type meters is studied
在對系統誤差、隨機誤差、過失誤差成因及對監測數據的影響分析基礎上,研究了利用差動電阻式儀器的伴測溫度測值來檢驗儀器是否存在系統誤差的方法。With the development of productivity and science, the non - orthogonal coordinate measuring system is wanted in more and more situation, however the non - orthogonal coordinate measuring system is analyzed little because of its complexity and multiplicity in the structure. so this paper is worked out to solve it, and it is of great application value
隨著生產和科學的發展,越來越多的場合要求採用非正交坐標系機械繫統,然而非正交坐標系機械繫統由於其結構的復雜性和運運動的靈活性,一直以來缺少對於它的誤差研究,本課題正是在此背景下提出的,因此具有十分重要的應用價值。The main features in the study of flood forecasting and control system are as follows : ( 1 ) runoff generating and confluence theory and hydro - dynamic method are adopted to predict the water level of taihu lake and key nodes, the basin wide forecasting and control system with the function of real time correction has been first established in plain river network to meet the complicated flow conditions of taihu lake basin and to enhance the reliability of forecasting results ; ( 2 ) according to the rainfall in foreseen period multiple schemes can be made in the forecasting model and adjusted with time, which overcomes the errors caused by the uncertain rainfall in the foreseen period so as to make the forecasting results approach reality
本文所研究的預報調度系統有如下特點: ( 1 )本系統採用產匯流理論和水動力學方法預報太湖及重要節點水位,首次在平原河網地區建立了具有實時校正功能的全流域預報調度系統。以適合太湖流域復雜的水力條件,增強預報的可靠性; ( 2 )預報模型可以根據預見期降雨量進行多方案預報,並隨時間推移,可以實時進行調整,克服由於預見期降雨不確定引起的誤差,使預報結果更接近實際。One dimension river flow roughness parameter inverse analysis kalman filter is introduced into the model to solve stochastic error in observed data. applying kalman filter automatism revising system, dynamic roughness course is obtained. using dynamic roughness course the model result precision is improved, it is more consistent with observed data
對於一維河道糙率參數反分析,針對觀測資料存在的隨機誤差,引進卡爾曼濾波器的自動校正系統,求解出河道糙率變化的動態過程,使用動態糙率計算,明顯改善模型的模擬精度,使模擬過程和觀測過程很好吻合。Aees employs the multi - staged digital filter algorithm to reduce random error. meanwile, the system correct zero deviation through linear opreation. the instrument, from hardware aspect increases the feature of anti - interference by the way of reasonable layout, sepration of digital and analogue
系統採用了中值濾波和滑動平均濾波相結合的多級數字濾波演算法來減小隨機誤差,並以精密基準電壓作為比較信號的輸入,由智能系統通過線性運算,實時地修正、校準測量數據,減小系統的零漂,實現自動定標並提高測量的精度。The results indicated that the centrifugal force reduces the localization ; when the young ’ s modulus of all blades are in the tolerance of 5 %, the blade - disc can regarded as an cyclic symmetry system
結果表明,離心力對失調葉片輪盤系統局部化振動有減弱作用;所有葉片彈性模量在5 %誤差范圍的隨機失調系統,其固有頻率與非失調相差很小,即失調葉片?輪盤系統可以按照循環對稱結構進行模態分析。In the part of the experimental designs, a experimental configuration of an unstable cavity by use of two bbo crystals compensating the walkoff effect and pumped by reflection is presented, and two set of controlling systems designs of open and closed loop are also presented ; we realized closed loop controlling system of bbo optical parametric oscillator tuning system, by using american general scanning inc. ' s controller to control bbo crystal ' s rotation, and scaled the output wavelength with charge coupled device
在實驗設計上給出了利用兩塊bbo晶體補償走離效應返回式泵浦非穩腔的實驗設計,設計了開環和閉環兩套控制系統。通過使用美國通用掃描公司的掃描頭控制bbo晶體的轉動,用ccd對bbo - opo輸出波長進行標定,實現了bbo - opo調諧系統的閉環控制,相對波長調諧誤差小於0 . 04 ,並給出了354 . 7nm泵浦的類相位匹配bbo - opo輸出波長隨晶體轉角變化的理論和實驗曲線。Correlation gate size is determined by measurement noise, the maneuver of target, the cycle of radar scanning, extrapolate algorithm etc. in the thesis, we discuss how to design a correlation gate
相關波門的形狀大小取決于系統的隨機誤差,目標的運動速度,目標的機動規律,雷達的掃描周期,外推演算法等因素。Secondly, the performance of the acousto - optic steering system is deteriorated as a result of the coupling because of nonlinear of quadrant detector and the pointing error introduced by satellite platform vibration. for this problem, this paper introduces the model reference adaptive control system, and presents the perfect model. the model reference adaptive controller is designed to force the output of the acousto - optic steering system following the output of the perfect model to improve the system performance
其次,針對聲光偏轉系統由於器件的非線性造成的耦合和平臺振動造成的指向誤差導致系統性能惡化問題,引入了模型參考自適應控制系統,提出了理想的模型,設計了模型參考自適應控制器,強迫性能惡化的聲光偏轉系統的輸出跟隨理想模型的輸出,使其性能改善,利用超穩定性理論確定自適應參數以保證系統的穩定性。It is the result of applying the system - distinguished method out of controlling theory to prediction. spurning the stationary parameter prediction model, the multiplayer - transfer method regards the predicted variable as a random, dynamic, time - changing system. it decomposes the time - changing status variable prediction into two steps : first, predicting the time - changing parameters ; second, on the basis of the first step, predicting the system status variable
多層遞階方法摒棄了一般統計預測方法中所使用的固定參數預測模型,而將預測對象看成是隨機動態的時變系統,把時變系統的狀態預測分離成為對時變參數的預測和在此基礎上對系統狀態的預測兩部分,對時變參數的預測導致狀態預測誤差的減小。With researching deeply, some geotechnical researcher had been understood that the rlem which is mobility solving method is inaccurate. many scholars have done much works in researching on the error - range using the parallel analysis between rlem and others methods in some huge projects. however, it is not reported about the systemic and numerical analysis of this error range and mechanics mechanism
剛體極限平衡法作為各行業的規范指定方法,一直被工程設計人員普遍採用,隨著研究的深入,不少分析研究人員均認識到剛體極限平衡法是一種不嚴密的可動解求解過程,存在較大的偏差,已有不少學者對這一方法在一些重要工程中應用的誤差進行過對比分析研究,然而對這一方法的誤差范圍與其力學機理的系統量化分析研究尚未見報道。A more systemic and in - depth research of error correction on grating dynamic measurement system is performed through analyzing the characteristics of dynamic error, the characteristics of angle and circular division measurement, the dynamic error statistical characteristic of measurement system and the error transfer characteristics
通過對動態誤差特性、角度和圓分度測量特點、測量系統動態誤差隨機過程特性和誤差傳遞特性的分析,對光柵動態測量系統的誤差修正技術進行了較系統和深入的研究。But considering the influence of artillery goal mensuration, computer calculate and artillery following system, the axis of artillery pipe and goal have deviation, this error is dynamic tracking error
但由於火炮目標測定器、計算機解算、火炮隨動系統等環節的影響,火炮身管的軸線與目標存在偏差,該項誤差即為動態跟蹤誤差。And it can automatically calculate the finding probability after setting correctly random error and simulation times. 4
通過隨機誤差設置和統計次數選擇, igts能自動給出魚雷武器系統各項作戰性能指標如命中概率等統計結果。The influence such as the arranging of measurement sensors, wavelet ’ s resolution ( related to sampling frequency ) is also discussed. conclusions are : ( 1 ) there is critical resolution existing in moving force identification. when the resolution is lower, large local error arises, and when higher, good results will be present
本文還研究了小波解析度(與信號采樣頻率關聯) 、測點排布等因素對識別結果的影響,得出如下結論: daubechies ( 1 )在車橋系統的移動載荷和預應力識別過程中存在臨界解析度,低於此解析度會導致產生局部較大誤差,高於它時識別效果良好,且隨著解析度的增大會有微小改善。分享友人