new observer the 中文意思是什麼
new observer the
解釋
新觀察家-
Abstract : the design problem of reduced - order state observer for a class of multi - input multi - output ( mimo ) nonlinear time - varying systems is studied in this paper. a new design method of nonlinear reduced - order state observer is proposed, and the exponential convergence is proved for the proposed state observer. the observer has the characteristics of that the speed of convergence is adjustable. finally, an example is given to show that this approach is effective
文摘:研究一類多輸入多輸出（ mimo ）非線性時變系統的降維狀態觀測器設計問題.提出一種非線性降維狀態觀測器設計方案，並從理論上證明了狀態觀測誤差的指數收斂性.其中設計的降維狀態觀測器具有收斂速度可調的特性.最後給出了數值算例，模擬結果表明了本文方法的有效性 -
This paper proposes a new method for sensorless vector control of induction motors, which is based on the flux observer theory and the adaptive control theory
本文根據磁通觀測器理論和自適應控制理論，提出了一種無速度傳感器矢量控制調速新方法。 -
Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail
針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。 -
Economy review in this new era demonstrate distinctive characteristics of economy transformation by presenting a change of writing form the tendency of " pan - politics " to its original role as economy commentary, form " summary of experience " to " observer of economy situation ", from avoiding economy puzzles to analyzing them thoroughly, from focus on simply one factory, one store to a thorough interpretation with the globe situation as its background
從「泛政治化」傾向到經濟評論本位的回歸，從「經驗總結」到「經濟航船的瞭望者」 ，從經濟難題的「迴避者」到「解剖者」 ，從「一廠一店式」聚焦到廣闊背景下的透視，顯示了經濟述評在經濟轉型時期的鮮明特徵。 -
8. a pulsating torque minimization approach based on disturbance observer is proposed. the new disturbance observer is designed to observe the unknown torque disturbance caused by the torque ripple, the varying of the motor parameters, the changing of load torque and the not ideal performance of the inverter
該系統將負載轉矩、轉矩紋波以及由電機參數的變化引起的轉矩干擾作為系統干擾，用干擾觀測器進行觀測，以此為基礎對轉矩脈動進行補償，實現對轉矩脈動的抑制。 -
The new adrc technique was concluded from the related references in recent years, and the adrc theory was systemically introduced, which included tracking - differentiator ( td ), extended state observer ( eso ), nonlinear pid, nonlinear feedback ( nf ) and active disturbance rejection controller ( adrc ), and etc. the author first designs a pd attitude control system, indicating : using pd attitude control, the time of small satellite gesture capture is long and the precision of control is low
從近幾年有關文獻中總結了自抗擾控制新技術，系統介紹了自抗擾控制理論，其中包括跟蹤微分器（ td ） 、擴張狀態觀測器（ eso ） 、非線性pid 、非線性反饋（ nf ）和自抗擾控制器（ adrc ）等。設計了主動磁控小衛星pd姿態控制系統。指出採用pd姿態控制，微小衛星姿態捕獲時間較長，姿態控制精度較低。 -
Among those who doubt gore will join the presidential race is longtime political observer tom de frank of the new york daily news, a guest on this week ' s issues in the news program on voa
紐約日報的懷疑戈爾將參加總統競選的長期政治觀察家t ，本周在新聞頻道的論點節目做客voa 。 -
Kim ' s story tells us that the human brain is far more flexible than we had thought, " said darold treffert, a psychiatrist and co - author of the scientific american paper told the observer. " like many other savants, he has suffered disability in one area of his brain, but has compensated by acquiring remarkable new abilities in other areas
特雷費特指出： 「皮克的奇跡告訴我們，人類大腦比我們想象的更加靈活，就像許多奇才一樣，皮克大腦中有一個部位不具備正常的能力，但是大腦其它部位卻因此獲得超常的能力。 -
Limited by time this paper focused on three areas : ( 1 ) basic dtc principal study and research ( 2 ) the design of speed regulator of dtc ( 3 ) a new kind of stator flux observer because the dtc system is a nonlinear system and we ca n ' t grasp the parameters completely, the classic speed regulators design method is not fit for dtc system
由於時間有限，本文所進行的研究工作主要集中在三個方面： （ 1 ） dtc基本原理的學習與實現（ 2 ） dtc中轉速調節器的設計研究。 （ 3 ）新型定子磁鏈觀測器的研究。 dtc所具有的非線性和參數不可知的特性決定了直流調速系統的轉速調節器的設計方法不能完全適合於dtc系統。 -
We have been honored over the years with the titles of " star enterprise " advanced science - technology unit of the national township enterprises " chinese excellent nongovernmental enterprises " by the municipality. at the same time, we have been rewarded many times with the titles of " contract - observer and good credit enterprise " both in zhe jiang province and ningbo. the trademark of " yonghua " of our products has been recognized as " zhejiang famous bland ", while the machines with the bland of " uonghua " has been recognized as " ningbo famous products ", which has been supervised in manufacture by chinese product quality insurance center. in which tk series of the plastic shaping machine controlled by computer has been entered in a list of national new major products plans in 2000
產品暢銷全國各地，遠銷東南亞澳大利亞俄羅斯等十幾個國家，年銷售額超億元，創匯300萬美元。幾年來，公司連續被評為省市- "重合同守信用- "單位2001年被評為全國百家- "重合同守信用- "企業之一。我公司產品的- "甬華牌- "商標被省工商管理部門評為- "省著名商標- " ， - "甬華牌- "注塑機列為名牌產品。 -
The residual signals will be gotten from the comparison between the actual and prediction states. use a som neural networks as a classifier to classify characteristics contained in the residuals. so, we can detect whether the traffic incident has happened. this algorithm can detect not only whether the traffic incident has happened but also the level of accidental congestion caused by the traffic incident the second is another freeway traffic incident detection novel algorithm based on art2 neural networks. this algorithm uses the freeway traffic flow model and art2 neural networks as observer and classifier, respectively. the residual signals will be gotten from the comparison between the actual and estimated value of observer. use the art2 neural networks to classify characteristics contained in the residuals. so. we can detect whether the traffic incident has happened. this algorithm can recognize new pattern at the same ti
第二種是基於ar咒神經網路的檢測高速公路交通事件的新演算法。該演算法利用高速公路交通流模型和artz神經網路分別作觀測器和分類器，觀測器估計的數據和實際交通數據進行比較，得到殘差序列;利用artz神經網路對殘差序列進行分類，以區分不同交通狀態下的交通信息，達到檢測交通事件的目的。本演算法不但可以識別已知的交通事件類型，還可以識別未知的或從未出現過的交通事件類型，是一個可以邊工作、邊學習的檢測系統。 -
Due to its slow speed and low accuracy in location, the traditional single observer passive location and tracking ( soplat ) technology has proved itself hard to meet the demand of tactics. it is urgent to discover a new soplat system and location technology
但由於傳統單站無源定位方法的定位速度慢、定位精度低，難于滿足實際戰術應用的需要，因此探索新的定位體制和技術也就成為單站無源定位研究的必然要求。 -
The load of the dc motor has a great influence on the tracking effect of speed control system, so a kind of load disturbance observer is constructed to compensate the load disturbance, and a new variable structure controller is designed by employing lyapunov speed error function
針對實際直流電機負載對速度控制系統跟蹤效果有較大影響的情況，提出了一種重構軋制負載擾動的觀測器，進而對負載擾動進行前饋補償控制，設計了一種新的利用lyapunov速度誤差函數構造的變結構魯棒控制器。 -
Network instruments new observer 9. 0 expands the view of traditional network monitoring, analysis and troubleshooting
擴展傳統的網路監測、分析和故障排除視圖 -
This method can guarantee the solution matrix of sylvester equation to be inverse and the sum of the input gain norm and the observer gain norm is the minimum. for the linear systems with unknown parameters, we identify the parameters using hopfield network, then design the observers using the identified parameters, the exponential convergence of adaptive observer is also proved. for the linear time - varying systems, a new network to solve the time - varying sylvester equation is proposed, we analysis it ' s convergence and robustness, then, deign the linear time - varying observer using this network model, and we discuss the convergence of the observer and ruboustness to unknown match parameters
同時保證了sylvester方程的解矩陣的可逆性和觀測器的增益矩陣與輸入矩陣范數的和最小；在設計線性時不變自適應觀測器時，首先利用系統的輸入、輸出數據設計一個hopfield網路參數估計器，進一步設計狀態觀測器，證明了參數估計器和狀態觀測器的指數收斂性；為了仍然從神經優化計算的角度設計線性時變系統的狀態觀測器，最後介紹了一種求解時變sylvester矩陣方程的神經網路模型，分析了它的收斂性和魯棒性，然後利用該網路設計時變狀態觀測器，進一步討論該觀測器的在系統存在未建模不確定和外部噪聲時的魯棒性；最後給出了一種基於分離性原理和hopfield網路觀測器的狀態反饋閉環系統的結構，分析了該閉環系統的特點；對于每一種設計方法都給出了相應的數值模擬例子來進一步表明所提方法的可行性和有效性。
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