輪上負荷 的英文怎麼說
中文拼音 [lúnshàngfùhé]
輪上負荷
英文
load on the wheel-
This paper also tested each model and system - the second loop of qinshan nuclear power station ( the second term ) ， computed the balance point ， tested the performance of step disturbance and runback loads for system ( no adding adjustment system ) ， analyzing the factors effecting the first tiptop rotate speed of turb and time which the rotate speed reach the tiptop
在模擬模型上，完成了穩態計算、系統階躍擾動試驗、甩負荷試驗（未加調節系統）等測試，主要監控和分析了汽輪機動態特性中兩個重要參數：汽輪機第一飛升轉速、飛升時間。The results indicated that the efficiency of turbine was enhanced obviously, the efficiency curve overcasts the unchanged one completely. given the same output, the efficiency after retrofit design was higher than that before retrofit design, which was more distinct in high load area
結果表明，水輪機效率特性明顯增加，其效率曲線完全包絡改造前的效率以上區域，在發出相同效率的情況下，改型後效率均比改型前高，在高負荷區表現尤為明顯。High - speed performance : in precision machining cam and cam rollers support the taper rib exerted pressure on the load, totally avoid 2806 - 1980, reliable and high - speed operation
高速性能：在精密加工的凸輪和凸輪滾子的錐度支撐肋上施加預壓負荷，完全避免間隙產生，使運作可靠和高速。Based on the further study of dynamic characteristic of the tractor - implement combination, according to the integrated control model, which including the flowing three parameters : the engine load rate, drive wheel slip and work resistance, and the three control strategies, which are : highest production efficiency control strategy, oil consume economic control strategy and give attention to the above control strategy, we can adopt different control strategies according to different purpose of the task. applying the theory of the hybrid dynamic system to this case, the three control strategies can be abstracted to three discrete matters, and then the exchange model of the discrete matters of the top layer ( which called manage layer ) of the tractor - implement combination and the function decision model, which based on the nerve network, can be established. through this way, the best ad aptive controlling of the tractor came true
本文研究了拖拉機機組的綜合控制問題及其最佳匹配方法，在深入研究機組動態特性的基礎上，根據發動機負荷率、驅動輪滑轉率和作業阻力三參數的綜合綜合控制模型以及三種綜合控制策略（最高生產效率的控制策略、燃油經濟性的控制策略和兼顧最高生產效率及燃油經濟性的控制策略） ，針對不同的作業目的，採用不同的控制策略，應用混雜動態系統理論，把三種控制策略抽象為三種離散事件，建立了拖拉機機組上層（管理層）離散事件切換模型，並建立了基於神經網路的功能決策層模型，從而實現了拖拉機機組的整機最優控制。On the base of thoroughly studying dynamic characteristic of tractor - implement combination, a control project of three parameters was put forward in the paper. the three parameters were engine load rate, drive wheel slip and work resistance. an integrated control model based on three parameters was established, which reflects colligated dynamic character of the unit
拖拉機作業機組中，很多參數存在著耦合作用，給綜合控制帶來一定的難度，本文在深入研究機組動態特性的基礎上，提出了發動機負荷率、驅動輪滑轉率和作業阻力三參數的綜合控制方案，它反映了機組的綜合動態特徵，並建立了基於這三參數的綜合控制模型。This software are compiled in vc + + computer language. the main function of the application is to calculate the load limitation of an air - cooling steam turbine - generator set under distinct flux of cooling water, environmental temperature and environmental wind speed, and the back pressure safeguard curve of the target steam turbine are considered
應用軟體以vc + +為開發平臺，考慮了特定汽輪機組的背壓保護曲線，通過計算空冷系統的熱力特性，實時給出當前環境溫度和環境風速以及循環水流量下機組的上限負荷，從而指導機組的運行。To validate the performance of the system, a series of experiments are made on a 200mw unit simulator of max1000 dcs. the results of these experiments indicate : by following certain physical principles, for each real component of the control system, the mathematical model which is constructed to reveal its characteristics reflects exactly the work and message transfer process ; by considering the load demand to the unit and the electricity net ' s frequency difference, also combing with the real capacity that the unit can stand, the ccs and deh models, which are contrived by using simulation blocks, can exactly harmonize the control of the turbine and the boiler and can also control the load.
為驗證模型的性能，本文在基於max1000dcs系統的200mw機組模擬機上進行對建立的控制系統模型進行了一系列模擬試驗，試驗結果表明對控制系統的每一實際組件按照一定的物理規律所建立的反映其功能特性的數學模型，正確地反映了其工作過程及信息傳遞過程；利用模擬模塊開發的協調控制系統及功頻電液控制系統模型能夠根據對機組的各種負荷要求和電網的頻率偏差，結合機組所能承擔負荷的實際能力，正確地協調對汽輪機和鍋爐的控制，並對負荷加以控制。分享友人