環形加法器 的英文怎麼說
中文拼音 [huánxíngjiāfǎqì]
環形加法器
英文
ring-type adder- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 環形 : annular; ringlike; ring form; bight; annularity環形癌 annular carcinoma; 環形電路 [訊] loop circu...
- 法器 : [宗教] musical instruments used in a buddhist or taoist mass
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By using a same boundary dimensions high efficient and new type copper exchanger substituted carbon steel oil condenser, and increasing flow rate of circulation water to reduce the temperature of freezing oil which feeds into compressor stage, to eliminate the malfunction during compressor operation, and improve running efficiency of the machine
採取將碳鋼材質的油冷卻器更換成等外形尺寸的高效新型銅管換熱器、增加循環水流量的方法,降低了進入二段壓縮機冷凍油溫度,排除了壓縮機運行中的故障,改善了機組的運行效率。A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method
提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求,選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化,再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法,通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍,以速度調節器和電流調節器的參數為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高This article discuss the method to measure distortion of truss by means of ccd device. the distortion can be measured with many kind of displacement transducer, but it must be placed on stable base. when the huge truss is moving through some tunnel, it is difficult to find a stable base, especially there is no enough space for someone to operate. it is hardly to measure the distortion by touching. on the contrary, this can be achieved by means of ccd device
桁架在自重或載荷的作用下產生的撓度可以用多種位移傳感器測得,這些測量方法需要有良好的基礎,在大型桁架梁測量現場,由於桁架的變形,難于找到這種基準,如果加上測量環境惡劣,人無法操作情況,則會給撓度測量帶來極大的困難,而採用光電荷耦合器件,並利用激光進行遠程實時撓度測量,即可以解決這個難題。There is a lack of analysis apparatus of magnet, the new system is only a opened loop control system, if we add the analysis part of the ion eletrostatic accelerator someday, all that we need to do is adding analog module hi plc and sampling control arithmetic hi the computer program. we will get a perfect closed loop control system
在目前缺乏磁分析儀的情況下,該系統雖然還只是開環控制系統,但是一旦加速器中束線分析部分到位,它只需增加模擬量輸出模塊和采樣控制演算法,就能形成完善的閉環控制系統。Besides, pid control algorithm is introduced and the velocity closed - loop controller is designed on the basis of dynamic model for the train. furthermore, according to kunming world ' s fair route data, the ato system with pid controller is simulated. it shows some disadvantages, and so the predictive control algorithm is brought forward to realize velocity closed - loop control
在已有的列車運動模型基礎上,採用pid控制演算法,設計了列車的速度閉環控制器,結合昆明線線路數據,進行了基於pid控制器的ato系統模擬分析,發現採用pid控制器控制時,列車運行曲線呈波浪形,當遇到坡道或者外界干擾時速度和加速度曲線會出現尖峰現象。With the strong dsp as the control unit, the design of main circuit structure is provided, and the control policy for the main circuit loop, the tuning of the triggering angle for thyristor are given
在具體的系統實現中,變換器主迴路選擇環流控制方式,採用高性能dsp作為模糊控制核心,通過加權平均判決的模糊決策演算法對變換器主迴路晶閘管的觸發角進行調制,從而有效控制輸出電壓波形。However, it is very difficult that the controller is designed when the controlled object is not square matrix, because it is involved in the pseudo inverse of matrix
但是,在被控對象為非方陣的系統中,由於求解控制器時涉及到矩陣求偽逆問題,很大程度上增加了此課題的難度,故此種情況下的閉環增益成形演算法未被提出。The influence on the parameters of the measurement range and stability and its mutual relations are analyzed. it is pointed out that the key parameters are the weight of seismic mass and the critical voltage. dynamic response of closed - loop servo - system of the accelerometer and the method to adjust dynamic parameters are studied by the second - order method
本文根據已有的加速度計模型,導出了慣性傳感器中敏感質量塊的各個運動方程,通過數學解析的方法,分析了各參數對量程和穩定性的影響以及它們內在的關系,指出關鍵參數是敏感質量和臨界偏壓;根據二階系統分析方法研究加速度計閉環伺服系統的動態響應和調整動態參數的手段,最後利用系統模擬工具matlab給出形象圖解和驗證。分享友人