稱量誤差 的英文怎麼說

中文拼音 [chènliángchā]
稱量誤差 英文
weighing error
  • : 稱動詞(適合; 相當) fit; match; suit
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 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. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬程、非線性小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用動測技術得到由振動引起的微小電容變化,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。
  2. 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、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。
  3. During the traditional measurements of the reactive power, the asymmetry of the voltage and current arises the asymmetry error

    傳統的三相無功功率測中的由電壓、電流不對引起的「不對」 ,長期以來一直是個難以解決的問題。
  4. In the article has simulation weighing system with tdn - ac / acs system and calculate its theory value and compare to the value of identified, then has the mass magnitude size. on the other hand in the article utilize a controlling method. and it controlls the hardware, then it can improve the dynamic weighing system performance and minish the error of the dynamic system

    由於控制對精度影響同樣很重要,所以本文還運用了一種控制方法來改善控制過程,由於在不同的環境下,控制的設備不同,系統的一些參數也要變化,這樣如果把控制點確定為固定的值,有時會很大,本文是在每次識別系統一些參數來改變控制點的大小。
  5. Based on in - depth analysis on characteristic and function principles of psd, combined with characteristic of measured object, this article presents an new real - time measurement for symmetrical degree, guiding - groove, twining angle, inside radius of long direction pipe ; completes designing work for hardware of function module and application software ; and gives analysis and computation on error sources and uncertain - degree of measure result. based on above work, this article develops a parameter - auto - chosen, integrated and automatic measurement device for beeline degree, guiding - groove symmetrical degree, twining angle and inside radius of long direction pipe

    本文在深入分析研究psd的特點和工作原理的基礎上,結合被測對象的特點,首次提出了長定向管導槽對度、纏角、內徑等實時自動化測的一種新方法;完成了硬體功能模塊及應用軟體的設計工作;並對測結果的源及不確定度進行了分析和計算;在此基礎上研製了長定向管的直線度、導槽對度、纏角及內徑等參數自動、實時綜合測設備。
  6. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文針對rp技術在醫學領域應用的需要,系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法: ( 1 )在基礎演算法研究部分,提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離散的控制定理和一種帶約束的b樣條曲線的自動光順方法; ( 2 )提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法; ( 3 )提出了一種為「虛擬測」的曲面模型處理方法。
  7. Three schemes of axisymmetric problems are given. secondly, axisymmetric element with energy compatibility is constructed in detail. the performance of this axisymmetric element is discussed by numerical examples

    本文然後通過優化組合參數近似實現零能的方法,分別對8參數能協調軸對元ach8和近似能協調軸對元rach8進行了優化。
  8. This paper analyzes the non - symmetry of elliptic polarization oftwo linear polarized beams, which are perpendicular to each other, caused by their reflecting from a metal mirror. also, it studies the non - linear error created by polarization and how the errors change. the study is very important for improving the measuring accuracy of polarized heterodyne interferometer

    主要分析兩束相互垂直的線偏振光經過金屬反射鏡反射后引起的橢圓偏振化的不對性,並研究由此產生的非線性的變化規律,這對提高偏振光外干涉儀的測精度是極為重要的。
  9. Abstract : this paper analyzes the non - symmetry of elliptic polarization oftwo linear polarized beams, which are perpendicular to each other, caused by their reflecting from a metal mirror. also, it studies the non - linear error created by polarization and how the errors change. the study is very important for improving the measuring accuracy of polarized heterodyne interferometer

    文摘:主要分析兩束相互垂直的線偏振光經過金屬反射鏡反射后引起的橢圓偏振化的不對性,並研究由此產生的非線性的變化規律,這對提高偏振光外干涉儀的測精度是極為重要的。
  10. In this paper, the density of randomly chosen glass micro - beads with high retro - refractive index is determined using a weighting method based on static mechanics, and the measurement deviations are analyzed and discussed

    摘要隨機抽取有代表性的玻璃微珠產品,根據靜力學衡法原理,通過測多珠統計平均法測回歸反射高折射率玻璃微珠的密度,並分析和討論了測
  11. 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;所有葉片彈性模在5 %范圍的隨機失調系統,其固有頻率與非失調相很小,即失調葉片?輪盤系統可以按照循環對結構進行模態分析。
  12. In the actuation, the feeling measure and the balance compensation, the gyroscope used the electric capacity with the high sensitivity, the low energy consumption, and combined with the high quality factor characteristic of the resonance main body, which enable its system to have the quite outstanding performance : the vibration gyroscopes were generally used to measure the rotation rate, but because of axial symmetry factor, the axial symmetry vibrating - shell gyroscope can be used to measure not only the rotation rate but also the rotation angle, moreover do not bring the accumulation error as a result of the integral

    該陀螺在驅動、感測與平衡補償上採用具有高靈敏度、低能消耗的電容,並結合諧振體高品質的特性,有相當優異的表現:振動式陀螺儀一般都是用來感測轉速,而軸對殼式陀螺儀由於軸對的因素,不僅可以用來感測轉速,而且可以感測物體的轉角,並且避免了由於積分而帶來的積累
  13. According to the design theory of the cable - stayed bridge and to the feature of the cantilever construction the authors propose a construction control method called optimum completion state method ( ocsm ) for rc cable - stayed bridges in the proposed method, the optimum completion state is regarded as the final target of the construction control, and the optimum construction state at each construction stage is taken as the technical route the key of the method is to properly choose or adjust the cable forces the objectives function of optimization is to minimize the elevation error of the girder under the constraint condition that the internal forces ( bending moments ) of the girder are bounded the optimization variables are the cable forces on the basis of the above principles, a optimum model for a construction step is established and cable force adjustments can be found for each construction step in this model, the creep and shrinkage effects of concrete have been considered a bridge example is given which shows that the final state of the bridge is very close to the design aim and that this method is much better than the so - called double - control method the example is a good illustration of the soundness and practical value of the proposed method

    根據現代斜拉橋結構設計理論和懸臂施工方法的特點,提出了以最佳成橋狀態作為施工控制的最終目標,以實施最佳施工階段為技術路線,以索力調整為核心內容的斜拉橋施工控制理論,簡為最佳成橋狀態法;以斜拉橋主梁標高最小為目標函數,以主梁內力(彎矩)為約束條件,以索力為優化變,建立了最佳施工階段的索力調整計算模型;推導了考慮徐變收縮效應的索力調整計算公式;用最佳成橋狀態法對一實橋工程進行了施工控制全過程計算研究,得到的成橋狀態與設計目標相當接近,優于該橋以「雙控」為控制目標的實測結果,有力地證明了本文方法的正確性及其工程實際價值
  14. According to the decoupling of type synthesis of mechanism and the relationship between control and error software compensation, the unsymmetrical 3 - dof translational weakly - coupled parallel mechanism for cmm was selected, the positive and negative solutions of mechanism position an error model were analyzed

    根據機構型的解耦性與控制和軟體補償的關系,選擇非對型三平移弱耦合併聯機構用於坐標測機,分析了該機構位置的正反解,建立了模型。
  15. In upper level optimization, the thickness and geometry factors of composite skins and webs as well as other structural dimensions are taken as design variables. then, considering the behavior constraints and the side constraints, the structural mass is minimized by the mathematical programming technique. in lower level optimization, the mathematical programming technique or the genetic algorithm ( ga ) is used to search the practical stacking sequence of composite skins and webs to realize the given thickness and geometry factors from upper level optimization

    底層優化設西北工業大學博士學位論文計以復合材料蒙皮和腹板等層合板各分層的厚度(或鋪層數) 、鋪層角和鋪層順序為設計變,以層合板的幾何因子與頂層優化設計給出的最優幾何因子之間的最小為目標,考慮層合板厚度和製造工藝性約束,採用數學規劃方法或遺傳演算法( geneticalgorithm ,簡ga )求出底層最優設計變
  16. 5. as an example of application, we propose a feasible experimental plan for measurement of anchoring strength by means of non - symmetric cell. this method can decrease the error obviously

    作為本文的應用,提出了一種利用不對液晶盒對錨定強度進行系統測的方法,這種方法,可以明顯的減小測的系統
  17. Firstly, on the basic of normal error back propagation algorithm ( bp a1gorithm ), the model was added the inertia impulse item in the updating formula for weight, and then let learning rate and inertia parameter adjust ll self - adaptively, so the improved bp algorithm ( improved bp algorithm, ibp algorithm ) formed

    首先,該模型在反向傳播演算法( bp演算法)的基礎上,在網路權值更新公式中添加慣性沖項,並對學習率和慣因子進行自適應調整,從而形成bp改進演算法( improvedbp演算法,簡ibp演算法) 。
  18. The main contributions of this thesis are as follows : ( 1 ) the conventional minimum output energy ( moe ) algorithm has the global convergence but its stable excess mean square error is high and it ca n ' t converge to the minimum mean square error ( mmse ). in this thesis an equivalent decision feedback moe ( df - moe ) algorithm variable step - size is presented and analyzed

    主要工作可以概括如下: ( 1 )針對最小輸出能檢測器( moe )具有全局收斂,但是穩態剩餘均方比較大,無法收斂到最佳mmse檢測器的特點,提出並分析了一種等效的判決反饋變步長moe檢測演算法(簡df - moe : decidedfeedbackmoe ) 。
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