理想電感器 的英文怎麼說
中文拼音 [lǐxiǎngdiàngǎnqì]
理想電感器
英文
ideal inductor- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 想 : 動詞1 (思索) think; ponder 2 (推測; 認為) suppose; reckon; consider; think 3 (希望; 打算) w...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 感 : Ⅰ動詞1 (覺得) feel; sense 2 (懷有謝意) be grateful; be obliged; appreciate 3 (感動) move; t...
- 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
- 理想 : ideal
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So anew type of measurement and instrumentation is badly needed and developed which is suitable for non - centralized and stationary measurement based on this idea, this study take the new type of oilavater two - phase flow measurement and instrumentation development as the basic goal, cany out some theoretic exploration of measurement in order to improve oil / water two - phase flow well logging method and technique, and try to accomplish bom holdup and total flow rate measurement with one equipment simultaneously so as to push forward development of oilavater two - phase flow well logging
本文正是基於這一思想,以開發新的油水兩相流測試儀器為目標,進行先期的測量理論探索,試圖從原理上改進油水兩相流測井方法和工藝,實現利用同種電學敏感原理同時完成持率和總流量的測量,推動油水兩相流測井技術的發展。The johnson noise of complex impedances consists only of the johnson noise of the resistive part of the impedance, so pure capacitance or inductance does not have johnson noise, even though it has an impedance
復阻抗的熱噪聲僅僅是電阻部分的熱噪聲,因此理想的電容器或電感器雖然有阻抗,但並沒有熱噪聲。Ghg - electrical grade activated silica powder is produced by way of mingling on the basis of electrical grade silica powder. it has activt effect on surface & make silica powder mingled with resin, raise cohesive force between resin & silica powder, raise the water - resestance on the sunface and the compressive strength of pour object, reduce sediment, gradation & split, increase filler of silica powder, and replaced inpoted products on the producing line of imported dry type transfomer & high tension mutual induc tance equiment, it has been the best pouring insulate materual in electrical trade
電工級活性硅微粉是在電工級硅微粉的基礎上進行偶聯化處理而製成,具有表面活性作用,能使用硅微粉與樹脂發生交聯,提高樹脂與硅微粉的粘結力和界面增水性,提高澆注體抗沖擊強度,減少沉澱、分層、開裂現象,增加硅微粉的填充量,在引進的乾式變壓器、高壓互感器生產線上已成功地代替了進口產品,成為電工行業理想的環氧澆注絕緣材料。The principle and the mechanical structure of the air - gap inductance - type transducer are analyzed in this article, and the static parameters are calibrated. dynamic calibration is applied to air - gap inductance - type transducer which is not good in dynamic capability, to obtain the dynamic parameters of the transducer and its measuring circuit. based on the result of the dynamic calibration, the transducer and its serving circuit are modeled so that the method of how to improve the dynamic performance can be found
本文對現有氣隙式電感傳感器在原理和機械結構上作了深入的分析,對其參數進行了靜態標定;並且針對常規電感傳感器動態響應低,不宜用於快速動態測量的缺點,引入測試系統動力學的思想,設計了一套動態校準系統,對現有傳感器進行多次動態校準,根據動態校準的實驗結果對現有傳感器建立數學模型,得到現有傳感器的動態特性;在此基礎上,根據磨床工件在線檢測的要求,設計一個硬體補償系統來提高整個測試系統的動態特性。The three control systems respectively were as follows : ( 1 ) the measuring part of the first one was displacement piezoelectric sensor. a pair of piezoelectric sensor / actuator was collocated by each side of the first solar array plate. the compensator was h ( s ) = 2395 - s ; ( 2 ) the measuring part of the second one was also displacement piezoelectric sensor. a pair of piezoelectric sensor / actuator was collocated by each side of the whole solarfan. tthe compensator was h ( s ) = 244s ; ( 3 ) the measuring part of the third one was velocity piezoelectric sensor. a pair of piezoelectric sensor / actuator was collocated by each side of the three solars array plates near to the body of satellite
三種控制系統分別是: ( 1 ) 、採用壓電位移傳感器,壓電傳感器驅動器對同位布置於內板的邊緣,控制器補償函數為h ( s ) = 2395s ~ ( 1 2 ) ; ( 2 )採用壓電位移傳感器,壓電傳感器驅動器對同位布置於整個太陽帆板的邊緣,這是一種理想的情況,控制器補償函數為h ( s ) = 244s ~ ( 1 2 ) ; ( 3 )採用壓電速率傳感器,壓電傳感器驅動器對同位布置於靠近星體的三塊基板邊緣,控制器補償函數為h ( s ) = 2370s ~ ( 1 2 ) 。In the simulation work, one 1. 5kw and one 18kw induction motors ? control system were simulated and two simplified control scheme were proposed. when developing the program in tms320f240 dsp, this paper solved two practical problems : the finite - length effect and dc bias effect. finally, sensorless control system based on adaptive filter theory are tested on the platform of 1. 5kw induction motor, the results show that the scheme ? performance is good
在模擬過程中,針對1 . 5kw和18kw異步電機進行了模擬,並在此基礎上提出兩種簡化控制方式;在tms320f240的具體編程過程中,分別對自適應濾波器的有限字長效應、直流偏置效應等非理想因素進行了修正和補償;最後,在1 . 5kw微型異步電機上進行了轉矩閉環無速度傳感器實驗,實驗結果表明了演算法完全可以達到預期的目標。Finally, after a 40 - year campaign of writing editorials and letters to governors and presidents, hale ' s obsession became a reality when, in 1863, president lincoln proclaimed the last thursday in november as a national day of thanksgiving
40年中,她堅持不懈地發表評論,不斷致信州長乃至總統千千靜聽歌詞下載最後,理想終于變為現實: 1863年,林肯總統發表聲明電驢服務器將11月的最後一個星期四定為感恩節一個全國性的節日。The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization
而傳統的無速度傳感器雙饋調速矢量控制系統,由於採用磁鏈定向方法,在同步速附近存在較大的工作死區,針對上述問題,本文做了如下的研究工作:本文從雙饋電機的數學模型出發,根據矢量控制的基本原理,提出了一種轉子側功率因數為1的雙饋電機矢量控制方案的設想,即在雙饋調速時採用轉子電流定向的方法,並控制外加轉子電壓與轉子電流始終反相,以保持了轉子電流與轉子磁鏈矢量垂直,通過控制轉子電流的大小來達到控制電機電磁轉矩的要求。So to develop a new type of transformer calibrator which has the high precision and the high degree of automation is significative. for the outdated transformer calibrator is widely used, this paper analyzed the theory of previous calibrators and proposed an idea of designing a new type of intelligent calibrator, based on the theory of measure the difference, adopt the project of dsp and mcu structure, also use high speed a / d electric chip. after the design of hardware circuit diagram, adopt the theory of fft and quasi - synchronous sampling method to reach the demand of precision. this paper discuss the intelligent development of transformer calibrator, achieve some success in the study
本文針對國內市場目前普遍使用的老式互感器校驗儀的現狀,提出了智能型互感器校驗的研製思想,並詳細講述了其理論依據和實現過程,提出了切實可行的方案:基於測差測量原理,進行基於dsp和mcu雙cpu架構、並採用高速a / d的硬體電路設計,並在此基礎上採用快速傅立葉變換和準同步采樣演算法,並完成相關的軟體演算法框圖設計,對互感器校驗儀的智能化發展進行了有益的探索,取得了具有實用意義的成果。Electric power steering system ( eps ) is more appropriate to realize an ideal steering than a conventional hydraulic power steering system, because it is easy to optimize the steering system characteristic by adjusting parameters of the system ' s controller. electric power steering is a new structure with novel technique of power steering. the electric power steering brings new effects on the steering maneuvrability, steering returnability, etc. the evaluation of the conventional hydraulic power steering could n ' t be applied for the electric power steering
電動助力轉向系統( electricpowersteeringsystem ,簡稱eps )與液壓助力轉向系統相比它有許多優點,該系統可在不更換系統硬體的情況下,通過對控制器軟體的設計,十分方便地調節系統的助力特性,所以它在提高轉向系統的操縱輕便性同時保證駕駛員能獲得充分的路感,從而獲得較為理想的助力特性。From selecting machine framework, confirming sensor, designing circuit and programming to the last measuring spheriform workpiece, the perfect result is attained at last
從機構選擇、測量傳感器確定、電路設計、軟體編程到對球殼類零件進行實際測量,最終得到了較為理想的實驗結果。The other is to simulate simple lc filters which call ideal and real inductors model, then we can get the simulating results such as time 、 phase movement and amplitude - frequency specifications are very different mainly due to hysteresis. in all, this paper presents some called real inductors models and provides a design method of real inductor model
模擬結果表明,調用磁芯電感模型的模擬曲線比調用理想電感的情況滯后、幅值小,反映了磁芯電感元件的電感量、磁滯效應和磁滯損耗都影響濾波器的時移、相移和幅頻特性。In addition, protection and display function units are added into this system. on the basis of study about working principle of previous indirect rotor - position detecting techniques, the fuzzy rules with the relation knowledge of - i - is studied in this paper as an approach for sensorless position angle estimation, and the simulation research for control performance and rotor position estimation are carried out. some experimental research on structure of srd controller is well made, and a fuzzy + pid speed controller with tms320f240 as core control unit is designed
研究了srd系統結構,對已有的主電路和驅動電路進行改進,完善了系統的各種保護和顯示等功能;在對已有的無位置傳感器轉子位置檢測原理進行研究的基礎之上,根據sr電機的磁鏈?電流?角度之間的關系,研究了採用模糊規則無位置傳感器檢測方案;對srd系統的控制器結構進行研究,設計採用tms320f240高速信號處理器的fuzzy + pid控制器,研究了fuzzy + pid控制器以及系統運行中的各種保護、顯示、報警等功能的設計思想和實現方法。As for the dynamic performance, the linear variable differential transformer ( lvdt ) displacement sensor using signal conditioner ad598 is not so good, so the differential rectifier is designed as the measuring circuit of the sensor so as to increase its cross - over frequency. also, the static test and dynamic test is made for the sensor along with the lvdt
由於使用線性差動變壓器信號處理晶元ad598為測量電路的差動變壓器式傳感器的動態性能不夠理想,本文設計製作了差動整流電路作為差動變壓器式傳感器的測量電路以提高傳感器的截止頻率,並對差動變壓器式傳感器進行靜態和動態標定。The main contents as follows : 1. studied the ideal second class calibration system, having studied kinds of parameters of the calibration system and environment ’ s influence on the phase difference measurement and have obtained many important results. put forward an engineering calibration system, and obtained the phase difference - - electric conductivity rate curve and analyze the system ’ s error margin etc. important
本文就這兩大關鍵問題做了深入的研究,主要內容為如下: 1 .研究了相位感應測井理想二級刻度器模型中各種參數和環境對測量精度的影響,得到了許多重要的結論;同時提出了一種工程上切實可行的刻度系統方案,給出了相位差-電導率曲線以及系統誤差等重要參數。Firstly, the text introduces the general circs of guided weapon and the principle of gfimu theory, then discusses the way, as well as the reason, to design the hardware of the system, which is composed of accelerometer configuration, compensating circuit, signal regulating circuit planning, and signal processing unit designing ; thereon is about software design philosophy, including data acquisition, compensation algorithm, digital filter, gfimu algorithm and data transmission method ; during the design procedure, accuracy and speed are fully been considered ; finally, through experiment and analysis we reveal the problems exist in the system and bring forward the corresponding improvements
論文首先講述了制導武器的發展概況、無陀螺慣性測量的發展和原理,然後詳細介紹了系統各部分硬體的設計思想和設計方法,包括傳感器配置結構、傳感器補償電路、信號調理電路以及信號採集處理單元;文章接下來介紹了系統軟體設計:主要分為數據採集、補償演算法、濾波演算法、無陀螺慣性測量演算法和數據傳輸幾個部分。系統設計過程中著重考慮了測量精度和程序執行速度的問題;論文的最後是系統實驗和數據分析,並根據實驗中發現的問題對現有系統作了進一步的改進。The fourth part is temperature control system which ensure the pcr reaction performing accurately. after analysis of the experiment result and optimization of technics, we finally come up with relatively ideal technics situation and produce relatively ideal micro chamber, ni temperature sensors and ni / cr heaters, which can provide and test the temperature condition for pcr amplification
經過不斷地分析實驗結果,改進製作方法,最終探索出了較好的工藝條件,制備出了較理想的微型腔體、鎳薄膜電阻溫度傳感器和鎳鉻合金薄膜電阻加熱器,能提供和檢測pcr擴增反應所需的溫度,並實現了三溫區的循環控制。At the same time, the principle which taking searching motor maximum - speed point as control object for mppt ( maximum power point tracking ) is put forward and the static error of tracking is analyzed in detail. chip jl3, a kind of micro - controllers of 68hc08 series, is used as control unit of the system, with which we complete the designs of the periphery hardware circuit and the control software
對于電機控制,提出了採用虛擬中心點的方法代替傳感器實現電機轉子位置檢測,以完成電機準確換相,並在理論上證明了其正確性;對于光伏陣列工作點最大功率跟蹤問題,提出了一種以尋求轉速最大點為控制目標實現tmppt的思想,並進行了穩態跟蹤誤差分析。It concentrates increasingly attentions in the field of studies on biosensors. one of the key techniques of it is its construction of sensitive films or the molecule - recognizing designs so - called the immobilization of bio - molecules
其中,傳感器的敏感膜或生物分子識別層的構造(即生物分子的固定化)技術是研製理想的壓電免疫傳感器的關鍵之一。分享友人