constant-closed 中文意思是什麼
constant-closed
解釋
常閉的-
For all admissible uncertainties and possible controller gain variations, the desgined controller can guaranteed that the closed - loop system is asymptotically stable and the upper bound of cost function value is not more than a constant
所設計的控制器對于所允許的不確定性和控制器增益的可能變化，能保證閉環系是統漸近穩定的且性能指標上界不超過某個常數。 -
On account of the uncertainty existing in the nonlinear ship responded model, we design a dynamic adaptive ship steering controller by using adaptive backstepping. after deducing the update law of the unknown constant, we choose the controller gains to guarantee the closed loop system and the control signal global boundedness
由於船舶非線性響應模型中含有未知常參數的不確定項，因此採用自適應backstepping的方法，選擇參數自適應調節律，設計動態的船舶航向控制器，實現在線控制。 -
In the former a constant return to scale technology with labor as the sole input is used ; in the later an increasing return to scale technology based on the division of labor that needs both labor and capital as input is used. we can show that in a closed economy or in the situation of complete international specialization the increase of productivity in traditional sector leads to the expansion of modern sector
因此，經濟發展可以看作勞動分工網路不斷擴展與深化的過程，而對分工網路的性質和它與各種經濟要素之間關系的了解，則是對發展中國家在國際經濟體系中的地位及其國際經濟政策的有效性做出正確判斷的前提。 -
Measurement of water flow rate in closed conduits. tracer methods. part iii : constant rate injection method using radioactive tracers
密封管道中水流速的測定.示蹤法.第3部分：放射性示蹤器恆流速噴射法 -
Measurement of water flow in closed conduits. tracer methods part ii : constant rate injection method using non - radioactive tracers
密封管道中水流量的測定.示蹤法.第2部分：使用非放射性示蹤物的恆速率噴射法 -
In this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance
引入雙恆等變換推導出系統及輔助系統的的d步預測模型，基於估計器的自校正控制器能將閉環極點配置在所希望的位置，它的參數是由與其相互獨立的對象參數調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能 -
Abstract : in this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance
文摘:引入雙恆等變換推導出系統及輔助系統的的d步預測模型，基於估計器的自校正控制器能將閉環極點配置在所希望的位置，它的參數是由與其相互獨立的對象參數調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能 -
The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back
勵磁電源結合步進電機原理與脈寬調制技術，選用智能功率模塊ipm作為逆變開關器件，輸出交流脈沖勵磁信號，以調節勵磁轉換頻率和勵磁電流大小為手段，實現對磁場旋轉頻率和磁場強度大小的有效調節，並通過閉環反饋實現閉環恆流控制。 -
It was found that many dislocations were emitted from the crack tip during the early stage of crack propagation and were driven out of the crack tip area, and them piled up inversely. a closed dislocation free zone ( dfz ) was formed between the crack tip and the pile - up dislocations. keeping displacement constant, the dislocations were still emitted from the crack tip for a while
本文首先系統地研究了工業純金屬（ fe ， al ， ti和mg ）斷裂的微觀過程，發現所研究的工業純金屬斷裂過程裂尖均首先發射位錯，並離開裂尖向前運動、在裂尖留下無位錯區，位錯反塞積在五位錯區的端部，反塞積位錯群一般呈封閉狀包圍無位錯區。 -
Secondly, in this part, we will introduce the notation of average geodesic curvature for curves in the hyperbolic plane, and investigate the relationship between the embeddedness of the curve and its average geodesic curvature. finally, we will employ the minkowski ' s support function to construct a new kind of non - circular smooth constant breadth curves in order to attack some open problems on the constant width curves ( for example, whether there is a non - circular polynomial curve of constant width, etc. ) in the second part, we will first follow the ideas of gage - hamilton [ 28 ], gage [ 26 ] and the author ' s dissertation [ 47 ] to present a perimeter - preserving closed convex curve flow in the plane, which is from physical phenomena
其次，對雙曲平面上的曲線引入平均測地曲率的概念，並討論雙曲平面上凸曲線的嵌入性與它的平均測地曲率之間的關系，其目的是為了將雙曲平面上曲線的性質與歐氏平面中曲線的性質作一些對比；最後，我們利用minkowski支撐函數構造了一類新的非圓的光滑常寬曲線，其目的是想回答有關常寬曲線的一些未解決問題（如是否存在非圓的多項式常寬曲線 -
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。 -
The closed system of bomb plus water bath has a constant volume and is thermally insulated.
放射性物質容器彈和水槽組成的封閉體系具有恆定體積，而且是絕熱的。 -
With the application of real - time multi - tasks mechanism and modulization software structure, the controller can set and modify the parameters on - line, collect and process the real - time data of the four - battery charge / discharge devices, termly and digitally regulate the closed loop and monitor the real - time faults, so that the system can control different styles of charging and discharging operate mode such as in constant current style, constant voltage with limited current style and static style
控制器軟體採用實時多任務機制和模塊化的設計思想，通過對蓄電池化成充放電過程中工藝參數的在線設定修改、實時數據的採集處理、定時的數字閉環調節和故障的監測，實現對蓄電池靜電、恆流、恆壓限流等多種充放電工作方式的控制。 -
The intelligent high - accuracy and constant - pressure pump control system is pressure closed loop control system that takes at89c51 single - ship processor as its core and is complemented by certain peripheral equipments
摘要高精度智能恆壓泵控制系統是以at89c51單片機為核心，輔以一定的外圍器件組成的壓力閉環控制系統。 -
On structure design aspect, a closed magnetic route around the gmm is formed, so magnetic symmetry and intension of gmm are improving ; on analysis of electricmagetic characteristics aspect, ansys software is applied to analyze the gma to optimize its structure ; on ampliflcatory power system aspect, based on the characteristic of driving power of gma and the principle of constant current source, a power amplifier using power mosfet is designed ; on testing equipments aspect, measure bracket is designed including transom, stand beam, screw, pedestal ; on cooling system aspect, a constant temperature cooling system is designed theorily
本文根據稀土超磁致伸縮材料的特點及其在工業元件、系統中的應用要求，在以往微位移致動器的基礎上，克服他們的不足，經過各方面的完善，設計出一種精確的、適合於主動控制的稀土超磁致伸縮位移致動器，主要在稀土超磁致伸縮致動器結構設計、電磁特性分析、功放系統以及最後的實驗測試系統方面進行了設計，同時對溫度冷卻系統也做了一些理論設計。 -
Based on the characteristics of the giant magnetostrictive material, this article designs giant magnetostrictive micro - displacement actuator, and primary research contents are as follows : establishing drive magnetic field structure, designing closed loop control system, constant current source, temperature control system, magnetic field perceptual system and doing experiment testing
本文根據其工作特性設計了一種基於超磁致伸縮材料的微位移驅動器，主要研究內容包括:建立閉環控制系統、設計驅動磁場結構、恆流源驅動電路、溫控系統和磁場感知系統以及系統性能的實驗測試。 -
The distribution and structure of the allelic polymorphism data are analyzed and it is pointed out that the distribution of allelic polymorphism data reveals the characteristic of closed data ( also named as compositional data or data of constant sum ) it is interpreted that the correlation structure of the allelic polymorphism data contains null correlations introduced by " closure " and the statistical distribution of the data is not normal because of its constant row sum, which resulted in great difficulties in analyzing the data with traditional multiple linear statistical methods such as principal component analysis, factor analysis, cluster analysis and canonical correlation analysis
摘要長期以來，對于多維基因多態性數據的多元統計分析，如計算遺傳距離時所用的聚類分析、分析群體遺傳結構時所用的主成分分析、因子分析和典型相關分析等，一直應用為無約束條件數據而設計的經典多元線性分析方法，並沒有注意基因多態性數據的「閉合效應」所帶來的問題。
分享友人