active feedback 中文意思是什麼
active feedback
解釋
有源反饋-
In order to strengthen the power of moral education, besides the distinctive subjects, proper teaching methods, various forms and the active feedback, we should pay more attention to the students " personality. according to this we can make the proper plan for the moral education and get the expectative effect
要增強德育活動的實效性，除了要有鮮明的主題、良好的方法、活潑的形式、積極的反饋之外，真正應該引起我們組織者注意的是要提高德育活動的針對性。 -
During the procedure of system design and implementation, the author has made some innovative efforts such as : ( d establishing the user interest orientated model, the model receiving user interests continuously and conjecturing user interests by interaction with the user, accumulating user preferences in information demand, thereby achieving self - adaptive retrieval, ? roviding a feedback method which is based on the human - machine interaction, summarizing the user operations on the interface of result presentation, and designing an algorithm for capturing user operation behaviors, by which the changes in user interests and preferences can be learned potentially, ? ffering a method for user interest mining which can extract subjects of information confirmed by user, thereby conjecturing or predicting different kinds of expressions of the same interest or extracting the new interests or unexpressed interests, ? roposing a solution of personalized internet information retrieval based on the user interests in accordance with the above - mentioned work, the solution having very strong feasibility and practicality with taking user interest model as center, employing machine learning ( active learning and passive learning ) and data mining as tools, and being assisted with network robot,
Piirs系統分析與設計過程中所做的創新性的嘗試主要有以下幾個方面：實現了基於用戶興趣的用戶模型，該模型通過與用戶的交互（主動交互和被動交互） ，不斷地接收用戶的興趣和推測用戶的興趣，積累用戶信息需求的偏好，實現自適應的檢索；提供了一種基於人機交互的反饋方法，對用戶在結果呈現界面上的操作進行了歸納總結，設計了用戶操作捕獲演算法， 「隱性地」學習用戶興趣和偏好的變化；提供了一種用戶需求挖掘的方法，對用戶已確定的信息做進一步的主題挖掘，由此推測或預測用戶同一興趣的不同表述方式或者挖掘出用戶新的或未表達出來的興趣；在上述工作基礎上提出了一套完整的基於用戶興趣的個性化網路信息檢索的解決方案，該方案以用戶興趣模型為中心，以機器學習（主動學習和被動學習）和數據挖掘為手段，輔以網路機器人，具有很強的可行性和實用性。 -
The active vision platform with two degree of freedoms, global cameras system, hand - eye vision cameras system, time parallel stereoscopic display system and time multiplexed stereoscopic display system are designed and implemented for the vision telepresence. the force feedback telepresence is implemented by cybergrasp. dexterous robot hand teleoperation
針對臨場感靈巧手遙操作實驗中操作者容易疲勞和大時延靈巧手遙操作問題，本文根據共享控制的思想，提出分層的hit / dlr靈巧手局部自主抓取操作的控制框架。 -
Acceleration output extended - feedback for active damping control
主動阻尼控制中的擴展加速度輸出反饋法 -
Chapter 4 constructs a set of theories in which design and optimize a new type of active damping suspension based on the active force feedback principle
第四章在理論上建立了一套基於主動力反饋原理的新型主動阻尼懸架的設計和優化方法。 -
Fin stabilizer is a kind of active stabilizer, which is designed on the principle of torque counteraction. fin stabilizer applied at present is an angle feedback system which calculate the controlling torque through the fin angle. because the relationship between the lift produced by fin and the fin angle is mainly determined by the hydrodynamic experiment, so there are some defects
目前使用的減搖鰭是一個角度反饋系統，它通過鰭的轉角來計算控制力矩，這樣就存在一些不足之處，因為鰭上產生的升力和鰭角的對應關系主要靠鰭模的水動力試驗來求得。 -
The state of the crane monitors the result to study about the feedback nature that is designed, will generate an active impact on designing, it is a kind of promotion to the thing that. the crane design corresponded to reality further of improvement of other science and technology
起重機狀態監測結果對設計的反饋性研究，將會對設計起積極的作用，它是其它科學技術的提高對起重機設計更加符合實際的一種推進。 -
The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。 -
Rigid - flexible coupling system ; rotating flexible beam ; active vibration control ; positive position feedback ; piezoelectric ceramic
剛柔耦合系統旋轉柔性梁振動主動控制位置正反饋壓電陶瓷 -
Like the active control, acld has a lot to be studied because there are a lot of problems such as : the constitutive equation of smart materials is very complicated ; the feedback control methods should be improved ; it is very difficult to deploy and optimize the sensors and actuators ; it is complicated to collect and feedback correctly the information of the structures without any time delay
和主動控制結構一樣，由於壓電結構本構關系比較復雜，控制策略還有待于進一步完善，如何配置和優化傳感器以及作動器，如何準確的採集和反饋結構的信息以及控制反饋的時間滯后等問題的存在，壓電智能結構的振動控制問題還有待于進一步的研究。 -
Finally, a feedback control system of neural network was designed and a special learning method was produced to train the neural network which was applied in the non - linear model of semi - active suspension. the result of test showed ride comfort and handling was improved preferably after the control, and the semi - active suspension system harmonized the vehicle performance with the controller
最後，設計了神經網路反饋控制系統，採用一種特殊學習（直接學習）方法對其進行訓練，並將其應用於半主動懸架非線性模型的模擬驗證，通過對多種路面激勵輸入條件下的模擬分析表明：該神經網路反饋控制系統可以較好地提高車輛的乘坐舒適性和操縱穩定性，採用這種神經網路反饋控制的半主動懸架，可以較好地協調車輛性能。 -
This paper presents an adaptive control for the semi - active suspension using the combination of mr damper and feedback neural networks. analyzing the mr damper, a smart actuator, chapter 3 gives the design of pre - amplifier of current, which provides the external magnetic field. and it discusses the additional nonlinear stiffness resulted from the transition of mr fluid from liquid to semi - solid or solid
在分析新型智能材料用做作動器的磁流變阻尼器特性的基礎上，本文給出阻尼器線圈的前置電流放大電路，並討論了因磁流變液體固液態之間的可逆變化而產生的懸架系附加非線性剛度。 -
For a class of shunt - wound active power line conditioner, based on analysis of mathematical model of system and target of control, the algorithm of fuzzy variable structure sliding mode control is presented. the control algorithm can avoid complicated calculation of harmonic electric current in traditional control algorithm, and realize the feedback control of electric current. the algorithm is simple and easily implemented
針對一類並聯型有源電網調節器在分析系統數學模型和控制目標的基礎浙江大學博士學位論文上，提出了模糊滑模控制策略，避免了傳統控制方法中復雜的諧波電流計算，實現對電源電流的閉環控制，該演算法簡單、易於實現，模擬結果證實了變結構滑模控制的有效性。 -
Since this course emphasizes active participation by the students, in - class exercises, self - assessments, and instructions for providing feedback are key components
本門課程強調學生們的積極參與，因此課堂訓練、自我評價以及對指導反饋的都是課程的關鍵部分。 -
Laser diodes : feedback and stimulated emission. cavity design ; double heterostructure concept. quantum well, wire, dot active regions. strained layers ; pseudomorphic active regions
回饋與受激放射。共振腔設計，雙異質結構之概念，量子井、量子線與量子點之主動層。應變層，假晶材料之主動層。 -
From a modeling of an active magnetic bearing ( amb ), a numeric controller was designed with degrade observer and optimized feedback control. it was proved out with simulink in matlab
本文通過對主動磁懸浮軸承系統的建模，設計了帶降維觀測器的最優反饋數字控制器，並在模擬中驗證了控制器的正確性。 -
Through feedback control analysis and simulation, it is proved that the mechanical model is appropriate and the scheme of active vibration isolation system is feasible and effective
通過反饋控制分析和實驗，表明：採用主動隔振可以明顯提高機床減振性能，尤其對低頻隔振效果較好。 -
The experimental system extract the low - level features of images such as hsv histogram, the texture got from coexistence matrix, color correlogram, and according to the characteristic of our image database, design the evaluation function such as the average rank ratio to evaluate and compare the performance of different integration of different features including semantic, and validate the active effect of feedback using experiment results
該原型系統提取了hsv直方圖、共生矩陣紋理、顏色相關圖等底層特徵，同時根據圖像數據庫的特點，設計了平均位置比值等評價函數對語義特徵與底層特徵的各種結合的檢索性能進行了比較分析，並對反饋效果進行了實驗驗證。 -
Through the unknown perturbation and uncertain estimation of the system, and feedback the estimation to the control system, the active disturbance rejection controller thus realizes the dynamic feedback linearization of those dynamic systems. the adrc theory is unique, and the method is simple, it suited to the non - linear an uncertain hydroelectric power sets
自抗擾控制理論通過對系統未知擾動和不確定量的估計，並將估計量反饋回控制系統中，從而實現系統的動態線性化，該理論思想獨特，方法簡單，特別適合於具有非線性和時變特性的水輪發電機組這樣的系統。 -
In this paper, basic circuit models of cc - current mirror and active impedance are analysed and a new active feedback current mirror is proposed which can achieve larger output impedance, higher current transfer precision, lower power and wider signal dynamic swing
系統地分析了電流傳送器的組成模塊? ?電流鏡和有源電阻，同時提出了一種改進型有源反饋電流鏡電路。該電路能大大提高輸出電阻，同時能保持原電路的電流轉換高精度、低功耗、更寬更良好的輸出電壓動態范圍。
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