輸出流量控制 的英文怎麼說
中文拼音 [shūchūliúliángkòngzhì]
輸出流量控制
英文
output traffic control- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 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...
- 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved
由於磁流體具有較大的導磁率,可提高力矩馬達磁路效率、增大力矩馬達的輸出力矩和位移,從而增加伺服閥的輸出流量;同時,利用磁流體的粘度特性,可增強力矩馬達阻尼及抗干擾能力,從而增強伺服閥及伺服控制系統的穩定性。In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current
本文首先比較了幾種變速恆頻方案,從中選擇了雙饋式變速恆頻方案;它運用雙饋電機的工作原理,允許發電機轉速變化,而在電機轉子側接入低頻勵磁電流,通過控制該電流的頻率,保證雙饋電機定子輸出的頻率恆定;再結合矢量控制技術,通過調節轉子電流來控制定子電流的轉矩分量和勵磁分量,相應獨立地控制發電機輸出的有功功率和無功功率。An architectural model of diffserv / mpls backbone is proposed to provide reliable, fair - treating qos service in mpls networks. taking mpls as fundamental packet forwarding mechanism, diffserv as qos provisioning model, our framework relizes high quality network service while balancing load across backbone. defining relationship between interserv service type, diffserv service class and exp field of mpls label, the model could also provide efficient interconnecting service between different user networks
提出一種mplsdffeery骨幹網路模型:以mpp為基礎傳輸技術,以dffeery為服務質量控制模型,該骨幹網路模型綜合利用區分路由和前攝式多路路由方法實現對業務量的高質量傳輸和網路負載均衡;通過intersery服務類型、 dffeery服務類和mpde標簽中實驗欄位之間的相互映射,該骨幹網路模型實現對多類用戶子網的有效互聯;模擬結果顯示, dffeery mpls骨幹網路模型可有效實現端到端的服務質量控制和流量工程目標。The inputs of fuzzy controller are the velocity of slippage and its ratio, the output of fuzzy controller is the control current of the servo valve
模糊控制器的輸入變量為滑移速度及其變化率,輸出變量為伺服閥的控制電流。The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct
對常用空間電壓矢量控制策略進行分析,提出了給定參考矢量所在區間判斷的簡化方法,以及電壓矢量作用時間的求取方法;分析了電流滯環控制策略,推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系;應用瞬時功率理論分析pwm整流器功率控制原理,通過虛擬磁鏈估計有功功率和無功功率,用matlab實現了直接功率控制,並驗證了該控制方法的正確性。On the mechanism of speed control, the paper presented a proper speed control method for a big amount of thin flow sessions
在發送速率控制上,本文提出了一種適合大量小流量會話傳輸的速率控制機制。Apu system, ac induction motors driving system, multi - torque output system, regenerative braking system and battery management system make of the hybrid system. all the subsystems are integrated systematically by the multi - energy resource management system
輔助動力單元( apu )控制系統、矢量控制交流調速驅動電動機的制動能量回收系統以及多級動力輸出管理系統和電池管理系統組成了整個混合動力系統。The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization
其中變極性電源採用二次全橋逆變結構,一次逆變提供快速的響應速率並給二次逆變提供能量,二次逆變提供良好的變極性性能,使輸出能量最優化,並用其低頻電流特性減小電弧線能量,控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上,利用電流的高頻特性壓縮電弧,改善焊縫金屬結晶過程。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。As the key of the sample injection, a digital control instrument of mass flow controller ( mfc ), which can work in online and offline mode, was designed. it can give 4 flow signals accurately at the same time. the concentration and flux of the sample gas can be set by the instrument software
進樣裝置的核心是自行設計開發的新型流量控制儀,該儀器採用數字介面,可以以聯機和脫機方式工作,能夠同時快速準確地輸出4路流量控制信號,對測試氣體的流量和濃度進行設定。Chapter 3 gives an introduction to the flow rate dividing principle based on meter - in flow rate feedback control of multi - actuators control system. special analysis about simultaneously operating multi - actuators with different inertia loads is made. finally the results of simulation proved that the new method is an effective way to improve the flow - used ratio when the pump discharge flow rate is insufficient
第三章介紹了基於執行器進油側流量反饋的分流控制的原理,並針對大小慣性執行器同時起動時採用該分流控制方法進行了具體分析;最後通過模擬說明該分流控制方法能在大小慣性執行器同時起動並在泵輸出流量不足的情況下有效提高泵輸出流量的利用率,並能實現優先級和分流比混合控制。Some research about sensorless control of induction motors in recent years has been introduced in chapter one. in chapter two, a field - oriented control system with current regulator and voltage source inverter ( vsi ) is presented firstly, which is proved in theory that the voltage feed - forward decoupler can be omitted, the good decoupled control properties of flux current and torque current is also validated by experiments with speed - sensor based on f240dsp real system
論文第二章從異步電機的基本數學模型入手,介紹了一種基於轉子磁場定向的帶電流內環控制的電壓型逆變器輸出閉環矢量控制結構,在理論上證明了該模型可省略電壓前饋解耦環節,採用f240dsp晶元構建的帶速度傳感器實驗系統驗證了其定子電流勵磁分量和轉矩分量有良好的解耦控制特性。People can easily design the hysteresis current control hardware circuit, but the switching frequency is variable which makes us difficult the design the output filter, moreover the output waveform is not good. the space vector modulation techniques, by selecting the zero vector properly, it can reduce the harmonic content of the output voltage, so it has become a popular control method
滯環電流控制的硬體電路設計簡單,但存在開關頻率不固定,輸出濾波器設計困難,輸出波形質量差,空間矢量控制( svm )技術具有較高的電壓利用率,且通過對零矢量的合理控制可以降低諧波含量或降低開關損耗,因此是一種較好的控制方法。Scm as control core applied in the variable axial piston pump is introduced briefly in the paper, including structure and work principle
摘要本文介紹了基於單片機控制的數字變量軸向柱塞泵的結構組成、工作原理,並理論推導了數字泵的輸出流量與輸入脈沖信號呈線性關系。This series of products can be applied to heating furnace, industrial kiln semiconductor stove, precise temperature control of reaction caldron, boiler heat treatment, temperature control and process control system field such as petrochemical industry light industrial machinery and so on. intelligent manipulator is matching product of pid regulator or dcs and other system, which mainly use to manual regulation under the system running or special condition and to carry out operate as a backup instrument when main machine has happened failure or maintenance. according to field regiurement
具有5個模擬輸入in1 - in5 2個模擬輸出out1 out2 ,一個開關量輸入di , 2個開關量輸出和豐富的控制演算法,適用於鍋爐汽包水位三沖量控制或兩沖量控制並可帶汽包水位壓力補償功能適用於一般工業過程中溫度壓力液位流量等各種過程參數的串級控制,前饋控制雙路控制等,並可帶后備操作器。The built - in test ( bit ) design of hardware and software is also introduced in this dissertation. the bit design consists of analog inputs, digital inputs and digital outputs
本文還對匯流條控制器的模擬量輸入通道、數字量輸入通道、數字量輸出通道進行了自檢測設計,包括硬體bit設計和軟體實現方法。Grounded on the system structure, bus controller ( bc ) design includes six modules : electrical remote terminal ( ert ), analog input, digital input, digital output, bus communication and power supply module. the detailed design of each module is discussed in this dissertation
在該系統結構下,對匯流條控制器進行了方案設計,將其劃分為六個功能模塊: ert (電氣遠程終端)模塊、模擬量輸入模塊、數字量輸入模塊、數字量輸出模塊、通信模塊和電源模塊。That is, through analysis of the principle on flow control and " hydraulic transistor ", design and calculation of flow control characteristic as well as main parts in valve inner chamber, a piloted reducing valve will be installed between main valve and pilot valve. after a pressure - difference compensating reducing valve was added in the non - pressure compensating piloted reducing valve of the flow control valve in vlalvistor valve, the calculation on control characteristic emulation and load characteristic emulation has been carried out. the result of the calculation shows that after pressure compensating reducing valve was added, the linearity of the control characteristics has been greatly improved thus eliminating influence upon outlet flow by load pressure - change of the hydraulic system and improving performance characteristics of the hydraulic component
文章還在對瑞典valvistor閥的插裝比例閥研究的基礎上,提出了一種新的流量控制原理,即:通過對流量控制和「液壓晶體管」原理的分析、流量控制特性及閥內腔主要結構件的設計計算,在主閥和導閥之間增設先導減壓閥,並進一步對valvistor閥的流量控制閥之無壓力補償先導減壓閥、加入壓差補償減壓閥后的控制特性進行了模擬計算和負載特性模擬計算,結果表明:增設壓力補償先導增壓閥后,其控制特性曲線變得非常線性,從而消除了液壓系統負載壓力變化對主閥輸出流量的影響。This hydraulic system is controlled by different pump ' s flowrate, which is realized by changing the speed of the pump, instead of changing pump ' s displacement
這種系統不是靠改變泵的排量而是靠改變泵的轉速來改變其輸出流量,從而實現對液壓系統的控制。3. implementing the serial communication between the cms and lms. putting forward two rules for software flow control and data transmission, as well as implementing the relevant design for command frame, return frame and data frame of them
( 3 )解決了cms與lms之間的串口無線通信問題,提出了一種軟體流量控制規程與數據傳輸規程,並設計了相應的命令幀、回應幀及數據幀的結構。分享友人