open-loop control system 中文意思是什麼
open-loop control system
解釋
開環控制系統-
According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also
根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。 -
This thesis make a study on vector - contorl wvf system of asynchronous motor. in the course of study, making use of the mathematical model of asynchomous motor in mt axes. then both open - loop control system and close - loop vector - control system are respectively simulated with simulation block simulink in matlab
本文對異步電動機變頻調速系統進行了研究，利用異步電動機在二相同步旋轉mt坐標系下的數學模型，使用matlab中的模擬工具箱simulink分別對開環控制系統和閉環矢量控制變頻調速系統進行了模擬。 -
Thus, an open loop control scheme and a closed loop control scheme based on chopper system are introduced. lastly, a hardware and software design based on m icro - controller is presented
本文最後對基於斬波方式的三相交流異步電動機的軟起動方法給出了基於遠程監控的具體實現方案。 -
The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance
通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。 -
Here the system is similar to open - loop control system
二階欠阻尼振蕩系統是系統中較為常見的控制系統。 -
Capp is the important part in course of manufacturing layout. the paper adopts capp system in alternate style. according to characteristic of the prosthetic socket, the open loop control way is used in the servo system and the advantech 3 - axis high speed stepping motor control card is selected t o control three stepping motor ' s gain
針對假肢接受腔的製作特點，選擇數控機床伺服系統的控制方式為開環控制，並採用研華運動控制卡控制三個步進電機的進給，控制卡的庫文件可以實現三軸聯動功能。 -
In this thesis, the decoupling unit of vav system is designed in the way of feedforward conpensation. then the transfer function matrix of the feedforward conpensation decoupling unit of the 5 inputs & 5 outputs vav system is worked out. the decoupling conpensation unit can change the transfer function matrix of the open loop and closed loop control system into diagonal matrix, so that the coupling among the five control loops is eliminated, and vav system is decoupled
本文採用前饋補償法設計了變風量空調系統的解耦補償器，並得出了五輸入、五輸出變風量空調系統前饋補償解耦器的傳遞函數矩陣，該解耦補償器可以使本文所研究的變風量空調控制系統的開環傳遞函數矩陣和閉環傳遞函數矩陣都變換為對角矩陣，從而解除五個控制迴路之間的耦合，使變風量空調系統實現解耦。 -
Finally, the closed loop control strategy through nonlinear states feedback is designed by a lyapunov function for the averaged system and realize the position control of the non - holonomic robot. the simulation results show that the open - loop control method based on neural network and the feedback control method of the position are effective
模擬結果表明本文設計的基於神經網路的位置開環控制方法及針對簡化哈爾濱工程大學博士學位論文後的平均系統設計的基於李亞普諾夫函數方法的非驅動臂任意位置臂環控制是非常有效的。 -
This paper study a two - phase inverter - fed induction - motor drive, which can be widely used for low - power, variable speed drive system. the study has completer the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use. it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of singlechip controller, power drive device, inverter - fed device, a low power tow phase induction motor and safeguard circuit
本文研究了一種新型電壓空間矢量控制兩相逆變器?異步電動機的變頻調速系統，該系統可以廣泛應用於小功率、寬調速運行的場合。本項研究完成兩相逆變器的設計，並組成了試驗用的兩相逆變器?異步電動機系統。系統是一個轉速開環的變頻調速系統，由單片機機控制電路、功率驅動電路、逆變器主電路、保護電路組成。 -
In this paper point to point control, constant frequency control and up and down frequency control are studied, in which current lagging loop control method is used to restrict over currents. and using flux tracking method, position open loop, position close loop control system are also studied. and research results indicate that larger current ripples are restricted by means of subdividing space vectors
本文以永磁同步電動機為研究對象，分別對同步電動機的點動控制、恆頻控制以及升降頻控制進行了分析與研究，研究中採用了電流滯環控制方法，可有效地限制過電流現象；此外採用磁鏈跟蹤法對位置開環和位置閉環的步進控制系統分別進行了探討與研究，研究表明，採用矢量細分后，可有效地減小電流波動。 -
Damping force can be controlled in one of the two ways, open loop control or force feedback control. during research, in this paper, both damping control strategy and the damper modeling are combined in the same system model, and the simulation model
本文在研究阻尼控制策略時，把阻尼控制策略和可控阻尼器模型這兩個方面結合到系統模型中、融合在模擬實驗環節中。 -
Open loop control system
開環控制系統 -
Concretely, adaptive inverse control is an open loop control toward dynamic characteristic of system by acting inverse of plant transfer function as series controller, so it avoids instability as a result of feedback. at the same time, because the control of dynamic characteristic of system and plant disturbance is to be treated separately and that has not influence mutually
具體地說，自適應逆控制是用被控對象傳遞函數的逆作為串聯控制器來對系統的動態特性作開環控制，從而避免了因反饋而可能引起的不穩定問題；同時又能做到對系統動態特性的控制與對象擾動的控制分開處理而互不影響。 -
Based on the open loop control system, the object matrix of the burning process is got by experimental data and theory conduce. this paper researched the coupling system and the decoupling methods, and then designed the decoupled control system. then the two pi controllers are designed to control the two decoupled control system
利用開環控制系統，通過實驗和理論相結合的方法得到了系統燃燒的調節過程的對象模型，在對系統的耦合現象和耦合系統控制方法進行研究的基礎上，設計了解耦控制器，並在此基礎上，為解耦后的兩個單變量系統設計了pi控制器。 -
This dissertation delivers ecu hardware design scheme and discusses its feasibility ; designs ecu hardware circuit based on mcu, including ecu input and output signal processing channel, and the emigration of c / os embedded real time operating system on mcu lpc2292 ; designs fuel injection control project software procedure, and simulate it. it implements the open loop control of air fuel ratio under part of the motor working condition
在充分進行可行性論證的基礎上，完善了ecu的硬體設計總體方案;設計了基於單片機的ecu硬體單元電路，包括ecu的輸入、輸出信號處理通道以及c / os嵌入式實時操作系統在lpc2292單片機上的移植;設計了燃油噴射控制項目的軟體流程;最後通過模擬模擬，實現了發動機部分工況下的空燃比的開環控制目標。 -
The design schemes of the control system are important parts of the paper. first the writer designs an open - loop and close - loop control system by mc33035 and mc33039. the control system is applied for low - power motor
電機控制系統設計是本文論述的重點，作者首先採用專用集成晶元mc33035和mc33039設計出一個電機開環-閉環控制系統，這是一個適合小功率電機的控制系統。 -
Open - loop control system
開環控制系統 -
Then, an open - loop control is designed to suppress decoherence, which is shown to be capable of asymptotically decoupling a part of the dynamic variables of the system from the environmental noises
然後，引入開環控制抑制退相干，並證明該控制可使系統狀態中的部分分量與環境噪聲漸近解耦。 -
In the course of open - loop control system, the simulation model of asynchomous motor is obtained and realized in simulink. this simulation model ' s structure is simple and its static and dynamic performance is good
在開環控制系統的模擬中，推導出一種異步電動機在mt坐標系下的模擬模型，該模型具有結構簡單、靜態、動態性能良好的特點，同時這個模擬模型也用於閉環系統。 -
In order to improve producer ' s efficiency, the mechanism such as rolling mill and shearing machine, which requests position control can go to the position in the best times and in the best mode, now, in the industrial application, open - loop control system is more used, even though in the closed - loop control system only adopts pid regulator, so time and efficiency can not reach the best
目前在工業應用中，大多數採用的是普通的開環控制，閉環控制中應用的也僅僅採用了pid ，因此在時間和效率上都沒有達到最優。本文根據這種現狀，對apc控制系統進行開發和應用。目前，在工業控制中， pid調節和模糊控制應用的比較多，也比較成熟，但在位置控制系統中，都沒有充分的發揮出這兩種控制方法的特點。
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