rate regulator 中文意思是什麼
rate regulator
解釋
速率調節器-
Rlean meat percentage is one of the most important economic traints in pig breeding programs. myostatin is a negative regulator of skeletal muscle growth. null or low activity of myostatin, individual muscle of mutant amimals would show a large and widespread increase in skeletal mass. myostatin null animals have significantly larger diameter or more quantity of fiber skeletal muscle. the phenotype was termed double muscling. in order to probe the relation between myostatin and high lean meat rate and plump - hipped trait, we sythesized the c ' 80 amino acids coding sequence of porcine myostatin and costructed the cloning and expressing vector of it
肌生成抑制素（ myostatin ，即mstn ）是近幾年來（ mcpherrona . c等， 1997 ）發現的骨骼肌生長的負調控因子，它主要在骨骼肌中表達。其活性的喪失，會引起動物肌肉的過度發育，肌纖維直徑變大或肌纖維數增加，表現為雙肌癥狀。肌生成抑制素研究的突破將對豬、肉雞、肉牛等畜禽生產性能的提高具有特別重要的意義。 -
Theoretical analysis and testing results demonstrated that viton, a new substitute of the former plasticizer, could noticeably improve its performances, which has been proved as the important improvements of the mixture. due to the favorable thermochemistry performance, dicyandiamide can act as a good combustion - rate regulator. the addition of antistatic agent can desirably increase the antistatic capability of the mixture, and the testing results showed that the performance of the improved mixture was excellent
理論分析和測試結果均表明了以氟橡膠取代耐水點火藥中原粘合劑將使藥劑的各項性能有明顯的改善，是耐水點火藥改進的重要方面；雙氰胺具有良好的熱化學特性，作為耐水點火藥改進中的燃燒速度調節劑具有很好的調速效果；抗靜電劑的加入，進一步提高了藥劑的抗靜電能力，測試分析表明改進后藥劑的性能更加優異。 -
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 -
Furthermore, it was the first time to make a systemic analysis and study to the motion rule and affected factors of this kind of transformer. with the applications of relative polar method and equal view angle method, the transformer that satisfies the requirement of transmission rate and output motion is synthesized. thus, an original non - frictional stepless speed regulator with a 1. 5kw input power, a 1500 rotation speed, a constant150output rotation speed and a maximum 300 output rotation speed was achieved
在此基礎上利用相對極點法和等視角法按傳動比及輸出運動的要求對轉換器進行了綜合，得出了輸入功率1 . 5kw ，輸入轉速1500 ，額定輸出轉速為150 ，最大輸出轉速300的新型的非摩擦式無級變速器的基本尺寸參數並應用adams軟體對其進行了優化；最後對該非摩擦式無級變速器進行了過約束分析，提出了新型的非摩擦式無級變速器無過約束分析的機構運動副的配置方案。 -
This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.
採用磁場定向脈寬調制演算法，提高了電源利用率，降低了逆變電壓的諧波，改善了電機的運行特性，降低了對電網的污染；在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型，在模擬的基礎上，對傳統pid調節器進行了改進，提出轉速調節器和電流調節器採用分段pid結構，根據給定轉速所處的區間，自動選擇相應pid調節器的參數，拓寬了調速范圍，提高了控制精度。 -
From the company ’ s aspect, the products of insurance companies become more and more complex, especially in life insurance, while we are still placed in the low level of management, the investment channel is still narrow, the rate of return is low, and the quality of assets is not very good. from the regulator ’ s aspect, the solvency margin is the main tool of supervision. the indicator system is still not perfect, which can not be competent for the comprehensive and holistic forecasting task of insurance company ' s operation and financial status
從保險企業角度來看，目前我國保險企業仍處于較低水平的管理層次，而從我國保險公司資產和負債結構看，產品的創新已經使公司的產品結構十分復雜，特別是在壽險方面，隨著新型投資保單的陸續出臺，保險公司的產品和種類與國外發達國家已非常接近，但是從資產來看，投資資產種類過少，資金運用渠道相對狹窄，資金收益率低下，資產總體來說質量不高，資產的質量和數量遠低於負債的要求，存在很大的潛在風險。 -
In order to obtain an optimal estimate of the tilt angle and angle velocity, an indirect kalman filter configuration combining a rate gyroscope sensor and an accelerometer is implemented. because of the extreme nonlinearity of the two - wheeled self - balancing robot, application feasibility of nonlinear system control strategy based on linear approximation method, exact linearization and intelligent control have been investigated. according to robustness, balancing performance and environment adaptability, robust tracking control, linear quadratic regulator and fuzzy model reference learning control are implemented to the velocity controller
針對具有強非線性的前進子系統，論證了基於近似線性化、精確線性化及智能控制的非線性系統控制策略的應用可行性，據此按照不同性能要求設計了三種前進速度控制器:漸近跟蹤魯棒調節器簡單精確，具有良好的干擾抑制能力;二次型最優跟蹤控制器，在耗能最小的條件下，大大提高系統的平衡能力;而基於動態聚焦學習的模糊模型參考學習控制則兼具平衡性能好、環境適應性強、精度高及魯棒性好的優點。
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