速度下降控制 的英文怎麼說

中文拼音 [sùdùxiàjiàngkòngzhì]
速度下降控制 英文
speed drocontrol
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 下 : 下動詞1. （用在動詞后,表示由高處到低處） 2. （用在動詞后, 表示有空間, 能容納） 3. （用在動詞后, 表示動作的完成或結果）
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 控 : 動詞1 （告發;控告） accuse; charge 2 （控制） control; dominate 3 （使容器口兒朝下 讓裏面的液體慢...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control

    與一般的建築空調相比，汽車空調的工作環境惡劣，條件差，控制難度要增加很多，主要體現在以下幾個方面：一是車外熱負荷變化大，難以確定控制參數；二是要求空調負荷大，而且要控制空調使其降溫迅速：三，不便於用電力作為動力源，必須用汽車發動機或輔助發動機來帶動壓縮機，當採用汽車發動機作為動力源時，由於汽車的車速變化大，發動機轉速的變化可從600r min到4000r min ，壓縮機轉速與發動機轉速成正比，其轉速變化高達7倍，給空調系統製冷劑流量控制帶來困難。
  2. Flying time hit maxmum 5 hours, natural falling speed is about 0. 5 mts second, max. anti - wind at 5 grade, flying speed at 20 - 80 kms hour, height at 15 - 200 meters, effective controllabe radius 1. 5 kms. the operators are nationally trained personals who drive the no - person - driven aircrafts professionally

    飛行時最長達5小時，自然下降高度為每秒0 . 5米左右，最大抗風5級，飛行速度為20 - 80千米小時，飛行高度為15 - 200米，有效控制半徑1 . 5公里。
  3. This machine is used for straight - line bevel cutting and bevel grinding and polishing for flat glass, in certain condition, it can be also used in bevel cuttig, bevel grinding and polishing for soft stone panel. the contrilling system adopts plc, it can accomplish automatic grinding cutting after entering processing parameter, convery speed adopts speed adjustment of fre quency conversion, direct drive of wheel head motor, all motions for joining in parameter adjustment completely adopt straight - rolling guide - track with front beam and wheel head lifting lntegrally. the transmission of input and output adopts synchronization tooth belt and photo - electricity switch positioning, and position limitation of two pass is much more reliable

    Sxm371pa型玻璃直線斜邊磨邊機是用於玻璃直線斜邊斜切，斜磨及光拋的專用設備，在一定條件下也可以用於軟石板材的斜切斜磨及拋光。控制系統採用plc控制。輸入加工參數后可自動完成磨削傳送速度採用變頻調速，磨頭電機直接傳動，所有加工參數調整運動副全部採用直線滾動導軌，前梁與磨頭整體升降，輸入輸出傳送採用同步形帶，光電開光定位，雙行程限位更安全可靠。
  4. Using plots with water and fertilizer fully controlled, the effect of photosynthetic characteristic and yield under different treatments of water and fertilizer coupling was investigated. the result showed that photosynthetic rates are different among treatments of water and fertilizer coupling, and the change of stomatal conductivity is the same as photosynthetic rat. there is almost no influence on evaporation rate and cellular co2 concentration the combination of fertilizer and manure under natural rainfall is beneficial to the maintenance of photosynthetic rate during grain filling, thus results in highter yield and good quality. however, the coupling of fertilizer and manure with sufficient water results in the decline of photosynthetic rate and stomatal conductivity, the yield decreased indicating there has a balance ratio between water and nutrients ( fertilizer and manure ) supply. the study proposed that the optimum management to exploring yield and qlality potential is the combination of fertilizer and manure application with no irrigation

    利用可精確控制水分條件的水肥平衡場，在不同水肥耦合處理的條件下，研究了水肥耦合對玉米光合特性及產量的影響，結果表明:不同水肥耦合處理的條件下，玉米的光合速率有所不同，氣孔導度的變化與光合速率的變化表現基本一致，而對蒸騰速率、細胞間co2濃度影響不大.其中，在自然降水條件下，有機肥和無機肥的配合，有利於玉米子粒灌漿期維持較高的光合速率，表現出良好的產量潛力.充足水條件下，有機肥和無機肥的配合，光合速率及氣孔導度表現較低，表現產量有所下降，說明供水量與施肥量之間有一個平衡系數.表明黑龍江省北部黑土區自然生態條件下，為充分發揮玉米的產量潛力，最佳的管理措施是增施無機肥和有機肥的配合
  5. Dc - g570 mainly for the carving of artistic works suchas crystal dianmond jade and various medals portraits wood board characters. laser machine for the carving of artistic works. the processing area is 500700mm. the up and down board can move 400mm up ward or downward. the 40mm laser end can move at the highest speed of 1500m s. it is under the control of the dsp industrial system with the differentiation rate 0. 015mm

    如：水晶玉石等雕刻，各種獎碑獎牌的雕刻人像雕刻木版書雕刻工藝禮品包裝盒雕刻，加工面積500700mm ，電動升降平面上下400mm可調，激光頭40mm可調，最大移動速度為1500mm s 。 dsp工業級高速控制，分辯率0 . 015mm 。
  6. Key control rats ski movements, the upper and lower respectively expressed to the screen from top to bottom - mobile, left can slow down the speed skiing down, right is

    方向鍵控制老鼠的滑雪動作，上下分別表示往畫面上下端移動，左鍵可以減慢滑雪下降速度，右鍵則恰恰相反，老鼠會橫臥在滑雪板上，此時，下滑速度將大大增加。
  7. Key control rats ski movements, the upper and lower respectively expressed to the screen from top to bottom - mobile, left can slow down the speed skiing down, right is enter the name of the game

    方向鍵控制老鼠的滑雪動作，上下分別表示往畫面上下端移動，左鍵可以減慢滑雪下降速度，右鍵則恰恰相反，老鼠會橫臥在滑雪板上，此時，下滑速度將大大增加。
  8. Dc - g460b laser engraving machine for handicrafts mainly used for making all kinds of handicrafts, e. g. the engraving of crystal, stones, etc., all kinds of medals and cups, wood combs, and packing boxes of handicrsft gifts. processing area : 400600mm ; electricpowered elevator platform adapted in the range of 20mm maximum moving speed : 1500mm s ; dsp industrial - strength usb high - speed control ; resolving power : 0. 015mm

    如：水晶玉石等，雕刻各種獎碑獎牌的雕刻，人像木書雕刻工藝禮品包裝盒雕刻，加工面積400600mm電動升降平臺上下200mm可調，同時激光頭上下20mm可調，最大移動速度1500mm s ， dsp工業及高速控制分辯率0 . 015mm
  9. The job of agricultural drainage is to accelerate removing of the excessive water and salt in soil, control the underground water table at favourable depth, so that it can assure crops growing well and avoid salinization

    農田排降任務是加速排除土壤中過量的水分及鹽分，控制地下水位在適宜的深度，保證作物的正常生長及防止土壤返鹽。
  10. It deals preferably with interpolation output based on divided circuit. so, it ameliorates some characteristics of stepping motor, and improves interpolation precision. in this paper program is designed by mscomm to explain work principle of communication between person computer and single microcomputer for processing files designed by cad, then it is processing component parts

    本文對于在細分驅動中常出現的在細分電流的下降沿，由於電流下降速度慢而不能很好地實現細分的問題給予解決；解決了有細分電路后的插補輸出控制，這樣既改善了步進電機的某些性能，又提高了插補精度；為了將cad設計的加工文件直接通信給單片機，然後進行加工，本文用mscomm設計的程序用來說明其工作原理。
  11. The main contributions of this dissertation are summarized as follow : ( 1 ) an ilc approach combining feedforward with current feedback is developed based on optimal feedback control and the gradient method. a sufficient condition that guarantees the convergences is given for linear system. the procedures of designing the algorithm can employ lqr, h2 or h approaches to improve the convergence rate of learning in iterations

    本文的主要成果有： 1 、在開閉環綜合迭代學習控制結構的基礎上，分析了利用梯度下降法設計前饋迭代學習控制器時，為保證演算法的收斂性，閉環控制系統應該滿足的充分條件，並依據提高演算法收斂速率的優化條件，給出了基於lqr 、 h _ 2和h等優化控制技術的迭代學習控制演算法的設計方法。
  12. Results show that profit gained by incorporating the time delay between axles in the control laws designed with track spectrum information decreases rapidly with the enhancement of running speed, comparatively including track spectrum is more important in control law design of railway vehicle active suspension

    分析表明，依據軌道不平順譜以及輪軸時延能實現最佳的控制性能；但隨著速度的提高，其相對于僅依靠軌道譜信息而設計最優控制規律的收益大幅下降；相對而言，鐵道車輛依據軌道譜信息設計主動懸掛控制規律非常重要。
  13. In crystal growth experiment, aggas2 crystal was growen in special quartz ampoule by crucible descending method ( b - s method ). the equipments were used, which consist of a two - zone vertical growth furnace whose temperature gradient is tunable, a descending device with decelerating rate of 1 : 2000, a controlling system of electy and a temperature testing system using thermal couples

    晶體生長實驗中，我們利用上下溫度梯度可調的二溫區管式生長爐， 1 2000減速比的旋轉下降系統，電氣控制系統和密集適時測溫系統等，在特殊形狀的石英生長安瓿中，採用坩堝下降法（ b - s法） ，以合成的aggas _ 2多晶原料進行晶體生長。
  14. By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control

    通過使用plc ，使該自控系統可以完成如下功能：適用於溫度及煙塵量變化快、控制過程難以操作的場合；通過溫控表自動跟蹤增濕塔出口溫度，誤差達到3以內；通過自動噴霧來降低粉塵比電阻，以此充分發揮電收塵器的作用；由於採取了閉環反饋迴路，達到了響應速度快，恆溫控制精度高；通過使用各種檢測傳感器，使得異常情況泄水快；該自控系統具有多套控制參數，增濕塔出口控制溫度及調節閥下限值可通過按鍵設定；可與上位機通訊，具有「現控遠控」功能。
  15. ( 1 ) the dissertation theoretically analyses software direct compensating motor speed loss of open loop pump - control - motor speed governing system with inverter. the motor speed loss formula and compensating coefficient formula are given, and this provides the theoretic foundation for using software direct compensating method. the dissertation puts forward the control scheme of software direct compensating motor speed loss of open loop pump - control - motor speed governing system with inverter, and the method of " load sectionalization linear compensation "

    具體來說，本文的主要貢獻包括如下幾個部分： （ 1 ）對軟體直接補償開環變頻泵控馬達調速系統的馬達轉速降落進行了理論分析，給出了馬達轉速降落公式和補償系數公式，為軟體直接補償開環變頻泵控馬達調速系統的馬達轉速降落提供了理論依據；提出了變頻泵控馬達調速系統的負載補償控制方法和「負載分段線性補償」方法，由此提高了調速系統的速度剛性和調速精度。
  16. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統，本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程，通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解，在matlab6 . 5中進行液壓系統的動態模擬，獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析，為液壓系統的設計和參數優化提供了有益的借鑒。最後，在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后，採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器，設計出了雙缸雙作用液壓打樁錘的電器控制系統。
  17. In the research and preparation procedure, it probes into electric field dynamic impedance variation rules, summarizing a set of sparks critical point discrimination methods in solving the key to detect electric field less - spark technology and realizing the less - sparks operation controlling function under impending arcover voltage, putting forward and realizing constant spark rate operation mode, in fiashover treatment adopting method of small descending amplitude, speedy picking up speed, and unlocking silicon controlled rectifier

    在研製過程中探索了電場動態阻抗變化規律，總結出一套識別火花臨界點的方法，解決了探測電場少火花的技術關鍵，實現了逼近擊穿電壓下少火花運行控制功能，提出和實現了恆定火花率運行方式，在閃絡處理上採取下降幅度小、回升速度快、不封鎖可控硅的方法。
  18. Product effect : enhances the fat metabolism speed, the increase fat metabolismquantity, the dissolution stores up the fat, alleviates theconstipation, the control fat synthesis, improves the intestinal tractenvironment, the acceleration fat consumption when a thin rulerencircles 3 - 12 centimeter body weight to drop 0. 3 - 1. 5kg equipment technology parameter voltage 220v - 240v frequency 50 60hz power 160w packing specification : 50 55 120cm weight 36kg packing standard : dustproof bag duplicate suitable pressure pearl froth cotton and kapokskeleton isolation

    產品效果:提高脂肪代謝速度，增加脂肪代謝量，溶解囤積脂肪，緩解便秘，控制脂肪合成，改善腸道環境，加速脂肪消耗.當次瘦尺圍3 - 12厘米體重下降0 . 31 . 5kg
  19. There was a borderline w / b ratio, above which concretes containing fly ash or silica fume were more sensitive to plastic shrinkage cracking than that of concretes without fly ash or silica fume, and below which fly ash or silica fume high performance concretes can restrain the plastic shrinkage cracking

    6 ）在室內控制環境條件下，降低環境溫度、風速以及提高相對濕度均可減少新拌混凝土水分蒸發速率，從而減少塑性收縮裂縫。相比之下，提高環境相對濕度對減少水分蒸發和裂縫更為明顯。
  20. The results show that the exhaust fan current increases with frosting enhancement, while the increasing speed gets slower in the end of frosting, and the curves of current are slightly different at different voltages ; that the evaporation temperature decreases with frosting enhancement, and the decreasing speed becomes increasingly faster ; and that misoperation of defrosting can be avoided by using the intelligent defrosting control method based on exhaust fan current combined with evaporation temperature presented according to the experimental results

    結果表明，排風機電流隨結霜厚度的增加而增大，增加速率在結霜後期趨緩，不同電壓下電流變化曲線略有不同；蒸發溫度隨結霜厚度的增加而降低，下降速度越來越快；使用根據實驗結果提出的基於排風機電流和蒸發溫度聯合控制的智能除霜方法可以基本避免誤除霜動作。
分享友人
分享到 Line

分享到臉書