進給變速 的英文怎麼說
中文拼音 [jìngěibiànsù]
進給變速
英文
feed change-
Facing with the adjustment blemish of the market and the government, knowledge problem and market growth degree etc, the article analyzes and arguments tmsm, the investment theory of the gapsm and two - mechanism forming reason and specialty of our country, and tries to explain and answer the question of breadth fluctuation, high risk, price decision, proceeds and investment strategy etc in the gapsm. since 80 ages, a series of the important development has all taken place in the world and the economy of our country, and it produced the deep influence on the growth of the security market, and particularly the information revolution, all markets forming one body and the quick development of the derivable security product brought the unprecedented macroscopic opportunity and power to the security market ; but at the same time our security market with the structure absurdity of participators, higher risk, irregular law, closed market, the validity of supervise and no science of market regulation does not accommodate to the macroscopic environment and so our country security market needs a new set of security theory with environment. according to the macroscopic and microcosmic environment, this article defines that our country security market is both a gapsm and the initial stage of the gapsm
上世紀80年代以來，世界和我國經濟都發生了一系列重大的變化，對證券市場的發展產生了深刻的影響，尤其是信息革命、市場一體化和證券衍生產品的迅速發展，給證券市場的發展帶來了前所未有的宏觀機遇和動力，而同時我國證券市場參與者結構的不合理、較高的風險、不規范的法律、市場的不開放、監管的不完全以及不科學的市場調控等微觀市場環境條件與此宏觀環境並不適應，從而我國證券市場需要一套適應環境變化的股票理論；本文就是以這一宏觀環境和微觀條件為依據，把我國證券市場定義為既是政府主導型證券市場又是市場初期；並對我國證券市場二元制產生的原因、特點及特殊性進行了分析，並通過我國政府調節的實例進行了論證，並對投資理論和投資策略進行了研究，這對控制我國證券市場的高風險以及獲取收益都具有重大意義。In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage
我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。Feed method can be realized by two methods of manual and automation, with the advantage of quick, easy operation, and the feedrate can be changed by the different position of handle
本機床進給方式可以採用自動和手動兩種方式，具有操作簡單，迅速可靠的特點，進給量的變換通過變換手輪的位置實現。First regarding cutting speed, working feed as the variable of designing, this article establishes the multi - goal mathematics model of manufacturing cost, productivity, profit ; second according to the mathematics model, it adopts added - power optimum method with matlab and resolves the feasible optimum parameter with computer ; it provides the person who optimize with turning processing technology parameter, and can offer reference supporting other optimization of parameters
摘要以切削速度、進給量為設計變量，建立了以加工成本、生產率、利潤為多目標的數學模型；根據所得多目標綜合優化數學模型，採用加權函數法為優化方法，用matlab求出在約束限制可行域內最優參數，為車削加工工藝參數提供優化依據和優化量，可供其他參數的優化提供參考。Szm8325a - szm9325 glass straight line edging machine is designed for grinding straight line flat edging of different sizes and thickness. szm9325a can process straight line and 45edge. coarse grinding, refine grinding, polishing, and angle - marking can be completed in a procession. tt s speed can be widely adjustedby its stelpless regulator. speed alteration is very mooth. in grinding operation, feeding and operation speed can be adjusted at random. front fails can be adjusted to fit caried thickness of processed glass. and its advanced structure, high precision, easy handling, and highefficiency, it is one of indispensable instruments for glass procession. szm9325p and szm9325ap adopt plc control system
Szm8325a - szm9325型玻璃直線磨邊機適用於磨削不同尺寸和厚度的平板玻璃直邊和45稜角， szm9325a可加直邊和45級邊。本產品集粗磨精磨拋光倒角等工序一次加工而成，並採用無級變速調節，可調范圍大，變速平穩在削磨過程中可任意調節進料速度和進給量可調節前導軌變換加工玻璃的厚度。We discussed the four - legged inverter with space vector modulation ( svm ) to aim at three - phase four - line output ; we introduced the principle of three dimensions svm, and attained the related control scheme. with the illustration of 15kva vscf power inverter, we tested and verified that the inverter system under 3d svm control can realize the three phase four line output and linear voltage regulating
針對三相四線輸出的電源系統，對採用空間矢量控制的四橋臂逆變器進行了深入研究，對三維空間矢量調制方案進行了分析求解、模擬，並給出了適用於15kva變速恆頻電源變換器的解決方案，實現了變換器的三相四線輸出以及線性調壓。The results show that, when increasing the feed rate of the grinding wheel, decreasing the rotating speed of the wafer chuck table and using coarser grit grinding wheel, the material removal rate in the wafer rotating grinding increase, the feed rate of the grinding wheel has greater influence on the material removal rate ; when suitably increasing the rotating speed of the grinding wheel, decreasing the feed rate of the grinding wheel and using finer grit grinding wheel, the wafer surface roughness can be reduced ; there exists a critical rotating speed of the grinding wheel ( about 2300rpm ), beyond which the material removal rate evidently decreases and the spindle motor current and wafer surface roughness steeply increase ; when the grit size of the grinding wheel is finer than # 2000, the material removal rate decreases and the wafer surface roughness has no obvious improvement
研究結果表明，增大砂輪軸向進給速度和減小工件轉速，採用粗粒度砂輪有利於提高磨削矽片的材料去除率，砂輪軸向進給速度對材料去除率的影響最為顯著；適當增大砂輪轉速，減小砂輪軸向進給速度，採用細粒度砂輪可以減小磨削表面粗糙度；在其它條件一定的情況下，砂輪速度超過一定值會導致材料去除率減小，主軸電機電流急劇增大，表面粗糙度變差；採用比# 2000粒度更細的砂輪磨削時，材料去除率減小，矽片表面粗糙度沒有明顯改善。Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。Giving paper department adopts a single board to adjust the sending paper specification continually. distances between papers are adjusted by the import segmentless adjustor and vibrant engine is set to make the sending department more stable. the inputting department adopts the single stopping machine function. the whole machine adopts the import transducer to run this machine is suitable for the outer colored packing boxes and wine boxes and medicine boxes and outer packing boxes of different sizes
給紙部單板操作，調節快速簡便，進口無段調速器調整進紙間距，另配備振動電機使輸送部更穩定，進紙部單獨停機功能，整機採用進口變頻器運轉，該機適用於彩盒外包裝箱及大規格酒盒、藥盒、外包裝箱。Abstract : in this paper, rigid visco - plastic fem technique is applied to numerically analyze the factors affecting the forming time of superplastic bulging, and the regularities of forming time affected by different factors are given by examples of constant pressure and constant strain rate die - bulging of cylinder parts, all of which provides guideline for process planning in actual superplastic bulging
文摘:採用剛粘塑性有限元技術對超塑性脹形成形時間的影響因素進行了數值分析，以圓筒形零件的恆壓和恆應變速率充模脹形為例，給出了不同因素對超塑性成形時間的影響規律，為超塑性脹形實際工藝設計提供了依據。Nc machining requires " interpolation " algorithms that accurately and efficiently generate sequences of reference position, distributed according to a prescribed feedrate function, along the tool paths. this paper present a systematic derivation of the proper taylor series coefficients for variable feedrate interpolators. when the path is ph curves, detailed formulations for instances are presented where the feedrate v is specified as a constant, the function of the time t, the arc length s and the local curvature k
對于nc加工要求插值演算法沿著刀具路徑準確、有效的生成參考點序列（根據預先指定的速率函數進行分佈）的實際工程需要，本文系統地推導了變速率插值運算元的泰勒系數，給出了當路徑為ph曲線，速率v為常數，及時間t 、弧長s 、曲率k的函數時具體的插值運算元。Accordingly, a new framework, which provides a common scheme for the numerical simulation on the macroscopic behavior of ferroelectrics though multi - scale analysis on the coupled thermo - electrics - mechanical behavior of multiphase in heterogeneous material, is induced to construct the effective constitutive equation of multiphase. in chapter four, based on the law of domain nucleation and domain wall motion of 1800 domain switching, a new scheme of domain switching and numerical simulation approach is put forward on the foundation of thermodynamics. driving traction, nucleation criterion, velocity of domain wall motion, kinetic relation and rate of domain switching in a single grain are given
第四章以鐵電體1800疇變的過程中形核規律和疇界運動規律的實驗觀察結果為基礎，根據熱力學理論建立鐵電體疇變的理論框架和數值模擬方法；給出了單疇內疇變驅動力、新疇形核準則、疇界運動速度公式、疇變動力學的表達式，單晶的疇變速率公式；用細觀力學的觀點給出了對多晶鐵電體多場耦合的有效性質進行包含疇變速率影響的多尺度分析方法。We can n ' t get result on how to change course and speed to make collision avoidance, this can help little on collision avoidance decision. the article aims at the default on radar simulator and implements the standard result on radar simulator by making use of mcu. the main production is below : first, we calculate how to chang course and speed on the destine point by mcu. we get the new course and new speed on the destine point, we get the point to resume original course and speed, we get the distance and azimuth to resume original course and speed on given course and speed, the six essential : dcpa, tcpa, distance, azimuth, real speed and real course
本論文針對當前雷達模擬器標繪訓練中的不足，實現了利用單片機進行雷達模擬器標繪標準值的計算，主要成果有以下方面：首先，利用單片機計算得到了在預定點改變航向和改變航速的計算，求得預定點改向的新航向c _ n和預定點變速的新速度v _ n ，恢復原航向和原航速的時機點的計算；在給定避碰的新航向、航速的條件下，計算出恢復原航向航速的時機點h的距離r _ h和方位_ h ；目標船的六要素，即dcpa 、 tcpa 、距離r （ t ） 、方位（ t ） 、真航速v _ t和真航向c _ t 。The spindle is supported by high - accuracy rolling bearing ; the frequency governor imported from abroad is used in the main drive system to realize stepless speed regulation and constant linear cutting functions ; the bed is supersonic frequeney hardened, plastic coated guide ways are used for the carriage ; and stepping motor of acservo motor are used x and z axis to realize feed movement via the ball screws
主軸採用高精度的滾動軸承支承；主傳動採用進口變頻調速器，實現無級調速功能及恆線速切削功能；床身採用超音頻淬硬處理，採用貼塑導軌； x軸和z軸均採用步進或伺服電機，通過滾珠絲杠，實現進給運動。The rigid and flexible trusses were simulated respectively. the dependences of the attitude angle degree and angle velocity of the spacecraft on the rigid and flexible situation in the deployment process and drive velocities loaded on the joints were derived. the frequency - amplitude characteristic curves were gained from the attitude angle velocity curves of the deployment of the flexible truss and locked flexible truss after deployment through the fast fourier transition ( fft ) method
文中給出了展開前後的動力學固有特性;對展開過程中分別為剛性桁架和柔性桁架兩種情況進行了模擬計算，對比了兩種情況的桁架展開過程中衛星姿態角及姿態角速度的變化;比較了柔性桁架不同展開速度對衛星姿態角及姿態角速度的影響;分析了柔性桁架展開過程對衛星非展開方向的姿態角度及角速度的影響及原因;對柔性桁架展開過程中及展開鎖定后的衛星姿態角速度的變化曲線進行快速傅立葉變換，得到柔性桁架展開過程即展開鎖定后衛星姿態角速度的頻幅特性曲線。By using the general jigs for the general tools, it is difficult to get terrifically slow feeding speed, stable machining quality and smart micro profile. the overall frame of the control system on micro fabrication process of excimer laser was analyzed and instituted based on its unique characteristics
在微細加工中如果採用傳統的數控加工機床，由於其體積龐大，夾持工具粗重，難以獲得極低的加工進給速度、穩定的加工質量和靈活多變的微小加工輪廓。Then produce the frequency complement algorithms and detemine the funcion x / sinx as the complement frequency response. with the combination of their different merit, we put forward the multistage interpolation algorithm. based on the efforts above, we determined the overall architecture of the variable - rate modelation and each unit design, and the emphasis is the 3 - stages algorithm for the variable - rate interplation. the simulation results of the modulator are also given and verified by matlab signal procesing toolboxes
在以上研究的基礎上，採用變碼速率調制模塊的結構與各模塊的具體實現方案，著重討論了變速率內插的多級實現問題，簡要分析了此方案的優點，給出了rtl級的模擬結果，並將結果導入matlab中，利用信號處理工具箱進行分析驗證。With the example of 40kva vscf power inverter, we have carried out the solution and the simulation of shepwm control, and we have also achieved the whole set of this control strategy
結合40kva變速恆頻電源的變換器應用實例，進行了shepwm的求解和模擬，給出了開關點預置控制實現變換器調壓的全套解決方案。Simulation control tests are carried out with this model and the shift schedule obtained from the tests are almost consistent with the given shift schedule, proving that applying neural networks to automatic shift of loaders is liable
用此模型進行模擬控制試驗，所得擋位與給定的換擋規律基本保持一致，說明利用神經網路控制裝載機自動變速器換擋是可行的。The article calculate the sale income, gross cost, income, cash flow, internal rate of return, net present value, payback period in etc. then i contrast analysis result of calculating with one of feasibility study and national standard, i have got a conclusion to analysis though ca7200e3 transformation - shell project from 2000 to 2005 management result can not achieve than assume, but this project management result is better than national standard. in conclusion the project is successful. 38 - 40 as proceeding the assessment, the article also gives many suggestion on the future of the project. i have a lot analysis from several aspect, they includes project background analysis, market analysis, project condition analysis, finance analysis, etc. these analysis prove that the project is feasibility
論文比較分析ca7200e3變速器整體前殼項目可研預期與項目實際運行的符合度，找出項目實際運行與可研預測之間偏差產生的原因;論文首先對項目立項決策科學性、產品技術方案可靠性、原材料供應經濟性、組織機構和人力資源配置合理性進行了綜合評價;然後對項目建設中費用、進度、質量、合同、信息管理工作存在問題進行了系統分析評價;接下來對項目運行狀況從產量、效益多方面進行分析，找出項目運行中存在的主要問題，並分析了問題產生的主要原因;最後在項目產品未來發展需求預測基礎上結合項目立項后評價、建設后評價、特別是運營狀況后評價所發現的問題，對如何提高該項目管理水平給出了相關建議。分享友人