機器運轉時間 的英文怎麼說
中文拼音 [jīqìyùnzhuǎnshíjiān]
機器運轉時間
英文
machine hours- 機 : machineengine
- 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
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 轉 : 轉構詞成分。
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 機器 : 1. (用來轉換或利用機械能的機構) machine; machinery; engine 2. (引申為機構) apparatus; organ
- 運轉 : 1. (沿一定軌道運轉) revolve; turn round 2. (指機器轉動) work; operate; run; travel 3. (循環) flow
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
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Equipped with electronic controller fini tronic and preset for remote control for two or more compressors. it offers working pressure and oil mist separator tank inner pressure indication, separator filter clogging lashing alarm before overpressure e - stop, electric motor temperature control, maximum screw assembly temperature control, air temperature on pressure end indication, electric motor direction of rotation check, time to scheduled maintenance term, total operating hours and operating hours under load, alarm log of last five failure events
並預設為丙臺以上空壓機聯機遠程控制,有工作壓力和油氣分離器罐內壓指示,分離器過濾器阻塞報警,電機溫控,螺桿總成溫控,壓力端空氣溫度指示,電機轉向檢查,維護周期油,油過濾器,空氣過濾器,分離器過濾器,總運行時間和負載運行時間,記錄上五個報警故障等。It offers working pressure and oil mist separator tank inner pressure indication, separator filter clogging flashing alarm before overpressure e - stop, electric motor temperature control, maximum screw assembly temperature control, air temperature on pressure and indication, electric motor direction of rotation check, time to scheduled maintenance term, total operating hours and operating hours under load, alarm log of last five failure events
並預設為丙臺以上空壓機聯機遠程控制可檢測包括操作壓力油氣分離器罐內壓,電機溫度和轉向,螺桿總成溫度過濾器堵塞報警等參數,並可顯示總運行時間和負載運行時間。1. this product is a new kind machinery induction - type electrical energy appliance. it adopts high coercive force aluminium nickl cobat material to make the special structure magnetic - hanged magnetic - propelled bearing. when it is electrified to operate, interrepulsion is produced between the bearing and the anxle so that it is electrified to operate. interrepulsion is produced between the bearing and the anxle so that it is suspend station. the friction loss is very small. it not only reduces energy exhaustion by a wide mardin, but also prolongs lifetime to 20 years and above
1 dd951型長壽命單相電度表是金雀儀表有限公司新開發的高可靠性民用電度表,本產品系一代機械感應式電能計量器具。採用高矯頑磁力鋁鎳鈷材料制面的特殊結構磁懸磁推軸承,能電動物時軸承與軸之間產生相互斥力合其和處于懸浮狀,運轉磨擦損耗極小,不但便能耗在幅下降,而且壽命可能性延長到二十年以上。The design undertaken mainly from the following aspects : 1, mechanism ddesign : included the base and the joints : 2, trasmission mechanism design : adopted a synchronous toothelike transmission bell ; 3, balance system design : adopted springs and a brake and a lay air cylinder ; 4, design parameter and verify alculation ; 5, established motion equation by d - h method ; 6, simulated the motion locus by matlab software ; 7 ^ mapping out the part drawing or asesembly drawing
本設計主要是從以下幾個方面入手: 1 、機構設計:包括底座和臂關節的設計; 2 、傳動機構設計:將驅動電機安裝在底座上,利用同步齒型帶、離合器傳遞手臂的動力;利用齒輪傳動帶動底座回轉; 3 、平衡系統設計:採用了彈簧平衡系統、電磁式制動器和單向延時氣缸; 4 、設計參數和校核計算; 5 、用d ? h法建立運動學方程; 6 、利用matlab軟體對手臂的運動空間進行模擬; 7 、利用autocad2000繪圖:包括零件圖和裝配圖。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。The pressure existing between the guide vane and the runner when the pump - turbine of east china tongbai pumped storage power station stops at different loads is analyzed, and the method for determining the best load at which the generator circuit breaker ( gcb ) switches off during operation of the pump - turbine is illuminated
摘要介紹華東桐柏抽水蓄能電站的水泵運行時,不同負荷工況下停機、導葉和轉輪間壓力的變化,闡述了華東桐柏抽水蓄能電站1號機組發電機斷路器開斷的最佳負荷值選定。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。An ordinary star such as the sun is a splendidly controlled machine that can go on operating under stable conditions for an immense length of time.
象太陽那樣的一顆普通恆星就是一架十分巧妙的可控機器,它能在穩定條件下持續運轉異常長的時間。Mechanical error protection, the power supply will be cutoff automatically ( to avoid the equipment is burnt ) when the motor fail to work becauseof breakdown or it run continuously more than4 1s
機械故障保護當電機因故障而不能轉動或連續運行時間超過4 1秒時,自動切斷電源(以免出現燒壞機器的現象) 。Working spaces, such as the machine shop, should be insulated, as far as practicable, from the general engine - room noise and measures should be taken to reduce noise in the operation of machinery
工作場所,例如機修間,應盡實際可能隔離普通機艙的噪音,並應採取措施減少機器運轉時的噪音。One day he was leaning on the railing of the engine - room, and was observing the engine, when a sudden pitch of the steamer threw the screw out of the water. the steam came hissing out of the valves ; and this made passepartout indignant
有一天他伏在機車間的欄桿上,看著這架有時象發怒似的大機器在飛快轉動,這時由於船身急劇地前後顛簸,推進器一露出水面就飛快地空轉,於是活塞的運動就引起蒸汽不停地劈拍爆炸。Specific issues examined are : compensation for the variation of the stator resistance, the offset error of the dc bus voltage, the voltage error generated by the forward voltage drop the dead time of the switches, improvement of the steady state performance, and the speed sensorless control for the pmsm dtc drive system are of major concern in this thesis
定子電阻變化,直流母線電壓漂移,開關器件反向相電壓降、逆變器死區時間引起的電壓誤差的補償,提高系統穩態運行性能以及永磁同步電機直接轉矩控制的無速度傳感器運行方案等問題都是本文研究的重點。轉矩的快速響應是直接轉矩控制演算法的一個卓越的性能。Measure and control unit adopted 16 - bit, high - speed a / d converter, it can guarantee the speed and precision of alternating sample. the part of communication adopted can bus to transmit the data, it was suitable for real - time control and can guarantee dependability. it adopted the can bus adapter of yan - hua company whose type was pcl - 841 to communicate with processor unit the processor unit adopted industrial pc, which can guarantee the system work well for a long time
其中下位裝置採用西門子公司的高性能十六位處理器c167cr - lm ,其內嵌can總線控制器便於通過can總線與上位機進行通訊,數據採集部分採用十六位高速a d轉換器從而保證了交流采樣的速度與精度,通訊部分採用可靠性高,適于現場實時控制的can總線來傳輸數據,與上位機介面採用研華公司的型號為pcl - 841的can總線適配器,為保證系統長時間可靠運行上位機採用工控機。We would have to translate her neuronal activity into robot commands in just 300 milliseconds ? the natural delay between the time belle ' s motor cortex planned how she should move her limb and the moment it sent the instructions to her muscles
也就是說,我們將在300毫秒內,把貝麗的神經活性轉變成機器指令; 300毫秒是從貝麗的運動皮質動念要移動手臂,到指令傳送至肌肉之間的正常延遲時間。Intermitten constuction of toothed sector conjugate cam ensures machine accurate and lower noise at high speed
扇形齒輪共軛凸輪的間隙機構沖擊小、剛性好、噪聲低,確保機器在高速運轉時的模切精度。This system is developed based on high performance, low cost and many controllers inside of the embedded processor, and enlarged gpio for the plat of the hardware and software. this system is applied to the high - speed numerical control carving machine. show the operate interface by lcd, input the control code from the keyboard, the data is readed from the usb interface and store that in sdram
本系統應用於高速數控雕刻機,以lcd為人機可視化操作界面,以編碼鍵盤為操作控制部分,以嵌入式處理器s3c44b0x晶元為核心,文件數據經usb口讀取u盤中的雕刻數據文件暫存於sdram中,經嵌入式處理器進行相關演算法處理,得出相應參數傳送到fpga ,由fpga控制輸出脈沖和脈沖間延時,通過高速光耦隔離( 2mbit / s )后輸出,控制步進電機的運轉。Firstly, making out the walking poses and tracks of the robot, according to the study on the humans ’ gait and the sine and cosine curves are used to program its center - of - gravity track and its feet - lifting track. secondly, the kinematics model is established, and according to the constraint and the programmed tracks, the kinematics equations of each walking stages are available. then find the solutions of each equation and get the motion curves of its joints, which are also the motion curves of the mini - servomotor
首先,結合對人類行走步態的研究,規劃機器人行走姿態及軌跡;在此基礎上建立並求解運動學方程,獲得機器人行走時各關節的轉角曲線;最後,針對前向運動與側向運動之間的耦合,對求得的運動曲線進行修正,使機器人在保證穩定的前提下,動作更加流暢。In this paper, we study a new method of automatic detection of target course - altering maneuvers based on a linear measurable function of bearings varying with time when the target travels on a straight line at a constant speed
摘要根據觀測器目標保持勻速直線運動時目標方位隨時間線性變化的一種可量測函數,研究了一種檢測目標轉向機動的新方法。Two perpendicular polarized light states and a no - light state are applied to express information in the ternary optical computer. the three states are transformed via two - dimension liquid crystal element and polarizators, and ternary arithmetic operation and ternary logical calculus completed directly in this way. the ternary optical computer will possess enormously number of bit ( easy to 104 ), light processor, light transmission path and electric control system
三值光計算機用相互垂直的兩個線偏振光和零光強三個獨立的光狀態表示信息;用二維液晶器件和偏振器實現此三個狀態間的轉換;採用三進制算術運算;直接處理三值邏輯運算;擁有巨大的數據位數(容易超過10 ~ 4位) ;具有光運算、光傳送、電控制等結構特色,具有很強的空間、時間并行性。Keeping the station operational “ would take more time than we had astronauts, ” explains chris culbert, chief of the robotic systems technology branch at the nasa johnson space center. “ that sent us on a path of finding robotic ways to do the maintenance
要維持太空站的正常運轉必須花更多時間,而我們的太空人可沒那麼多時間,卡伯特說,他是nasa詹森太空中心機器人研發單位的技術組主任,於是我們著手發展讓機器人做維修工作的研究。分享友人