提前量的調節 的英文怎麼說
中文拼音 [dīqiánliángdediàojié]
提前量的調節
英文
predictor control- 提 : 提動詞(垂手拿著) carry (in one's hand with the arm down)
- 前 : Ⅰ名詞1 (在正面的) front 2 (次序在先的) first; top 3 (過去的; 較早的) ago; before; preceding...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 的 : 4次方是 The fourth power of 2 is direction
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 節 : 節構詞成分。
- 提前 : 1 (往前移) shift to an earlier date; move up (a date); bring forward; advance 2 (事先) in a...
- 調節 : regulate; adjust; monitor; measure; take care of; condition; regulation; adjustment; conditioning...
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In this experiment, adjusting the throttle to the specific position, and letting engine rotary speed change from the lowest to the highest, at the same time, the data of the water temperature, the fuel temperature, the air press and the rotary speed can be noted. moreover, we can measure the fuel quantity and the ignition angle
實驗中,調節節氣門在特定位置,並讓發動機的速度依次從最低變化到最高,同時記錄水溫、油溫、進氣壓力和轉速等數據,還可以測出相應的噴油量、點火提前角。In the digital inverter, we adopt the technology of digital dynamic waveform correction, which can compensate the delay between control signal and output waveform, and ensure the accuracy of control. at the same time, the technology of digital dc component adjustment was introduced, by which we can exactly compensate the control signal, and realize adjusting dc component of output on the premise of output performance
在基於dsp的數字變換器平臺中,採用全數字波形校正技術,完全補償了控制信號延時、功率管開關延時以及死區時間對輸出spwm波形所產生的畸變,充分保障了變換器控制的準確性;採用數字直流分量調節技術,可以精確地對控制信號進行補償,在充分保證輸出性能的前提下,實現了輸出直流分量的調節。According to the energy conservation law and presupposing not to change the times of total rotation of pumping units every day, the flush times are changed to adjust the load shape in order to realize power consumption by peak load cutting
根據能量守衡定律,在保證抽油機每天運轉總沖數不變的前提下,用改變抽油機井沖次的方法來調節負荷,達到油田避峰用電的目的。Forty - three undergraduates are included in the training group, who are pre - tested, after - tested and in follow - up survey with diflerenlial loneliness scale, interaction anxiousness scale, texas social behavior inventory and beck depression inventory. forty - two undergraduates are included in the control group, who are pre - tested and in follow - up survey with the same scales. the results suggested that ( 1 ) group guiding is an effective and practical method to improve the undergraduates " emotional state and emotion adjustment ability ; ( 2 ) group guiding with a series of psychological training courses has significant effects in improving emotional state and emotion adjustment ability for a short term and a long term ; ( 3 ) interaction anxiousness scale, texas social behavior inventory and beck depression inventory " are good scales in evaluating emotional state. ; ( 4 ) the series of psychological training courses still need further developing and improving
採用訓練組與控制組對照,訓練組前測、后測、追蹤和控制組前測、追蹤的時間序列設計,通過設計一套有關情緒的心理訓練課程,對43名大學生分組進行心理訓練,結果發現: 1 )團體心理指導是改善大學生情緒狀態和提升情緒調節能力的一條可行而有效的途徑,且值得嘗試和推廣; 2 )情緒團體心理指導訓練對改善大學生情緒狀態和提升情緒調節能力具有良好的短期效果和長期效果; 3 )交往焦慮量表、德克薩斯社會行為問卷、 beck抑鬱問卷是良好的情緒評估的客觀量化指標; 4 )情緒訓練課程有待于進一步發展與完善。Based on the establishment of the mathematical model of the water - level controlling system, the boundary control equation of the stable domain of the continuous system and discrete system are found respectively, and the characteristic of stable domain of the two systems is analysed
其目的是維持前池水位穩定,提高機組單位流量出力,最大限度利用來水,從而提高電站的經濟效益。在建立水位調節模式下調節系統數學模型基礎之上,對連續、離散系統進行了穩定分析。The feedback of the output voltage is the major control loop. to achieve better frequency response and disturbance rejection of the input voltage, a input voltage feed - forward system is introduced in control loop. the duty - cycle of pwm applied at the gate of power mosfet is modulated by both input and output voltage
該晶元採用的控制方式為電壓型pwm (脈沖寬度調制, pulsewidthmodulation )控制方式,以輸出電壓反饋作為主要控制參量,同時為了提高晶元對輸入電壓擾動的響應速度,採用了輸入電壓前饋方法,將輸入電壓因素引入了反饋控制環中,通過對輸入輸出電壓的檢測,控制加在功率mos管柵極電壓上矩形脈沖的占空比,進而調節輸出電壓。It is concluded that it may be disadvantageous to capacity modulation at low temperature environment if the condenser area is smaller and throttle set is capillary. 3
結果表明:系統在冷凝器面積偏小和採用毛細管作節流裝置的前提下,不利於低溫環境下的容量調節。It includes : solving " excess attempt " and " defective attempt " of agc by load prediction in extraordinary shot time, that is preceding control technique ; ( 2 ) enhancing the regulating capacity and speed of agc of chongqing network by 5 measure ; analyzing the policymaking that chongqing network could achieve criterion now or after three gorges power station running, discussing the managing measure how to enhance regulating capability of agc of chongqing network
其中包括:利用超短期負荷預報解決agc 「過調」和「欠調」問題的超前控制技術;以5種實現方式提高重慶電網agc可調量和調節速度;探討了當前和在三峽電站投運后重慶電網達到考核標準的對策,討論了從管理上提高重慶電網agc調節性能的辦法和措施。Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter
西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓,在滿足輸出電壓條件下使諧波最小。Analyzes the existing problems of the central heating systems, such as, the fees cant reflect the real heat consumption, the room temperature of some consumers cant reach design demand and the heating cost is too high, it also puts forward the solutions according to the present energy - saving policy and economytechnology conditions, such as heat measure, pipenet resistance balance and heating regulation
分析了我國城市集中供熱存在的諸如:收費不能反映用戶真實耗熱量;部分用戶室溫達不到設計要求;供熱成本高等問題的原因及危害,並結合我國節能政策和目前的經濟技術條件提出了諸如;熱量計量,管網水力平衡,供熱調節等解決辦法。Hydroelectric power exploitation can reduce sediment disposal, lengthen life of power plants in lower stream, control stream, better water quality, and reduce contamination etc. considering the structure of power of sichuan province and pointing out its six problems in power development, this thesis comes up with sustainale development strategy of sichuan hydroelectric power exploitation, that is, prefentially exploit large scale hydropower plant which has good water - adapting capability, comprehensively use water resource, try to reduce cost caused by drowning, stimulate rotating exploitation, well deal with settlement of people in hydroproject construction, and alleviate contamination
論述水電開發在減緩泥沙淤積、延長下游水電站壽命、調控水流、提高供水量、改善水質、提供清潔能源、減少環境污染等方面對長江上游生態屏障建設的作用。本文研究分析了四川水電開發的可持續發展戰略,首先對四川省電力結構現狀進行了分析,指出目前四川電力發展存在的六個主要問題,從優先開發具有良好調節性能的大型水電站、綜合利用好水資源,盡最大可能減少水庫淹沒損失,積極推進流域梯級滾動綜合開發,處理好水庫移民關系,減輕對環境的不利影響等六個方面論述了水電開發的可持續發展戰略。In this paper, some off - line manual methods for regulation of flow equation have been compared and analyzed. based on pid speed governor of turbines, two kinds of governors are designed for adjustable - blade pump, which can perform autoregulation on water height of the fore bay and on pump output by adjusting the blade angle of adjustable - blade pump. the computation models of the two kinds of governors are also offered and the transient simulation can be done on pc
文中,比較分析了現有的多種離線手動調節流量平衡的方法,在水輪機pid調速器的基礎上,針對轉槳泵設計了兩種新型調節器,通過改變轉槳泵的葉片安放角,分別能對泵站前池水位和泵的輸出流量進行自動調節;提出了兩種新型調節器的計算模型,使轉槳泵在線自動調節動態模擬得以在微機上得以實現。The primary measures for control precept are : sufficiently and effectively utilizing the the air compressors " interior data, realizing online surveillance and alarming for failure of the the air compressors " running interior parts ; letting the air compressors running by master and slave manner, by reasonable arranging the alignment of the air compressors, making the masters yielding pressed air and the slaves adjusting the pressure of the air. this decreases the times of loading and unloading greatly and the decreased failure of air compressors and low maintain ; at the same time we adopt abundant value of the set pressure for stabling the compressure. the air compressors become loaded or unloaded ahead by the abundant value ; caning unloading control for saving power, when the air compressors get along with unloading for a while, the system will stop them ; consummating the purposes for control, enhancing offline control for over - press and low - press, continual loading control and unloading control
經過分析研究,針對原來存在的問題,在控制方案上主要的改進措施有:充分、有效地利用了空壓機的內部參數數據,對空壓機的內部部件的運行情況實現了在線監視及故障報警;對空壓機採用了主、輔結合的運行方式,通過對空壓機加、卸載隊列的合理排序,使空壓機自動實現主機產氣、輔機進行氣壓調節,減少了空壓機的加載和卸載次數;在壓縮空氣壓力的穩定上進行了裕量控制,在壓縮空氣壓力不到供能品質所規定的上、下根就根據一定的裕量提前進行卸載和加載操作;在節約電能方面對空壓機進行了卸載停機控制,當空壓機在一定時間內一直處于卸載狀態,系統就認為該空壓機沒有運行的必要,自動將其停機;完善了控制效果,增加了超壓低壓脫網控制、連續加載控制、連續卸載控制等功能。Directing against state of affairs at present, such as margin of type - selection parameters being selected comparatively large during design stage of air fans for boilers in thermal power plants, the opening degree of air fans in operation being often smaller ( for adjustment of inlet regulator ) or operation at lower revolution speed ( for speed - regulating operation mode ), and efficiency of air fans being lower etc., factors and corresponding measures having to pay attention in margin selection of air fan ' s parameters have been put forward through analysing practical example of retrofitting forced draft fans in one power plant, playing certain positive role for energy - saving and benefit - increasing in power plants
摘要針對目前火力發電廠鍋爐風機在設計選型時參數裕量選取較大,運行時風門開度較小(對入口調節器調節)或低轉速運行(調速運行方式) ,風機效率較低的狀況,通過對某電廠送風機改造實例的分析,提出了在風機參數選擇中的裕量選取需要注意的因素及相關對策,對電廠的節能增效有一定的積極作用。At present, high strength and high performance concrete is studied > produced and used extensively at home and abroad. but in our country, common strength concrete is used in huge quantities, this paper is based on this point, from studying and analysing the structure and formation of common concrete to adjust all kinds of components and to add fly ash and cinder powder to concrete to make common concrete acquire high performance and high durability. the experiment has manifested that common concrete ' s workability and even performance are improved greatly, at the same time, common concrete ' s strength and permeation is also improved after its performance - proof is improved
當前國內外大量研究與生產應用的是高強高性能混凝土,但是,目前在我國大量使用的還是普通強度的混凝土,本文正是基於這一點,從研究與分析普通混凝土的結構形成入手,合理調節各組分,摻入粉煤灰與礦渣磨細粉,使普通混凝土獲得了高性能與高耐久性,試驗證明,高性能化后的普通混凝土,其和易性和結構均勻性得到改善,強度提高,抗滲性明顯提高。Perfection and adjustment according to system properties, it combines genetic algorithms with fuzzy control, detailed analyzes the problem of designing fuzzy controller and proposes two advanced schemes : first scheme : the change - of - variables are emerged into input variables of the simple fuzzy controllers of oil feeding pump system as one variable, and one pi block is connected after output of fuzzy controllers, consequently the structure of the improved fuzzy controller is analyzed, finally genetic algorithms with adaptive probabilities of crossover and mutation is applied to optimize membership functions and fusing factors of the fuzzy controllers, and the simulation results of before and after optimization are compared
由於在模糊控制器的設計過程中存在較多的人為因素,為了實現根據系統特性對模糊規則和隸屬函數進行自動修正、完善和調整,本文將遺傳演算法和模糊控制結合起來,並針對前面設計的模糊控制器中所存在的問題進行了詳細分析,提出了兩種改進方案: 1在簡單模糊控制器的輸入變量中加入了變量變化率的信息,即將輸入變量和變量的變化率融合為一個輸入量,並在模糊控制器的輸出端加入比例、積分環節,然後分析了這種改進后的模糊控制器的解析結構,最後採用改進后的自適應遺傳運算元的遺傳演算法對模糊控制器中的隸屬函數和融合因子進行優化,並將優化前後的結果作了比較和分析。 2Parameter - tuning stochastic resonance ( psr ) is a more realistic way to handle the phenomenon of sr in a broad sense. based on the theory of psr, some key problems of using sr in signal processing are studied, these issues include : the application of intrawell sr in multi - frequency analog signal processing, recovery of the waveform distortion caused by the bistable system and other post treatments, measure of system performance with multi - frequency analog digital input and measurement of system performance of binary digital input. the results are used in signal detecting under the background of the real sea noise
隨著參數調節隨機共振( psr )概念的提出,隨機共振在信號處理中的應用有著很大拓展的空間,本文就主要研究幾個目前隨機共振在信號處理中應用時經常碰到的問題,其中包括阱內隨機共振現象對多頻模擬信號處理的應用、雙穩態系統輸出的波形畸變的消除及其他后處理、適用於多頻信號的輸出性能衡量指標、二進制數字信號輸入情況下的系統輸出的性能衡量,並將所得的結果應用到了一個自然界的噪聲? ?海洋噪聲背景下的信號檢測中,這些研究對于隨機共振理論的進一步發展及其在非線性信號處理中的應用具有重要的意義。This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value
本文以周口地區瀝青路面為研究對象,以現行《公路瀝青路面設計規范》為依據,從路面使用性能和交通特徵的調查入手,從疲勞特性和極限強度出發分析了路面早期破損的原因,全面系統地進行了交通參數的分析,提出了當量軸次增長率、季節修正系數和超載系數的概念和方法,並提出了重載交通的軸載換算方法。在此基礎上,針對超載、重載交通從結構組合設計、結構厚度計算(包括疲勞強度標準和極限強度標準)等方面提出了適宜的瀝青路面結構設計方法,並結合工程實測,說明了結構層厚度計算的具體步驟,最後通過試驗路驗證本文提出的設計方法。理論與實踐均表明,本文提出的路面結構型式合理、設計方法可靠,能適應目前重載、超載交通的狀況,具有較高理論與實用價值。A ejector for is applied in this theory. it can not only regulate the evaporating temperature of each high - temperature refrigeratory but also reduce the back - pressure of the compressor when a system applies this theory. at the same time, the exhaust temperature of the compressor becomes low and the refrigerating capacity per unit of swept volume becomes high
鑒于目前這種現狀,本文提出了以噴射器為基礎的船舶高、低溫冷庫製冷新循環,不但可調節高溫庫的蒸發溫度,而且也可使壓縮機的回氣壓力得到提高,壓縮機排氣溫度降低,單位容積製冷量上升,製冷系數提高,火用效率提高。High quality and high automation and high practicability are the goal of this thesis. this paper is aimed to develop an intelligent management system of residential areas, a combination of measurement and monitoring of water, electricity and gas system, which is safe, reliable and energy saving, in accordance to the requirements of current market in china. it studies real - time data - collection technique and application of the automatic control technique in the intelligent residential areas
本文通過對住宅小區智能化技術發展,國內外小區智能化產品的應用現狀的了解,以及國內小區住戶、物業管理部門、供水供電供氣專業管理公司對小區智能化產品的需求狀況的調查,提出了集水、電、氣等資源計量及安全監控於一體的住宅群智能管理系統是符合目前國內市場主流需求的小區智能化產品,要求其性能可靠、安全適用、節能經濟的。分享友人