硬實時任務 的英文怎麼說

中文拼音 [yìngshíshírèn]
硬實時任務 英文
hard real-time task
  • : 形容詞1 (堅硬) hard; stiff; tough 2 (剛強; 堅定; 強硬) strong; firm; tough; obstinate 3 (勉...
  • : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
  • : 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...
  • : 任名詞(姓氏) a surname
  • : Ⅰ名詞1 (事情) affair; business 2 (姓氏) a surname Ⅱ動詞1 (從事; 致力) be engaged in; devote...
  1. In soft, abnegating bald dos operating system, we will realize testing and displaying in real time on windows operating system. in hardware, we use computer as postposition cpu, monolithic processor as front cpu, and link them into simple network. in this way, we will realize a kind of distributing testing system providing with high precision and remote controlled ability

    軟體上,屏棄枯燥的D O S界面,使用windows平臺性很高的體上,將計算機作為上位機,單片機作下位機,連成簡單的網路,現高精度的、具有遠程控制能力的一種分散式測試系統。
  2. In software, we will realize testing and displaying in real time on windows operating system. in hardware, we use computer as postposition cpu, single chip micyoco ( scm ) as front cpu, and link them into distributing testing system , communication between postposition cpu and front cpu through usb interface

    軟體上,使用windows平臺性很高的體上,將計算機作為上位機,單片機作下位機,組成分散式測試系統,通過usb介面現數據傳輸。
  3. The paper gives the evidences for making use of auto - reclose technology in ineffectively grounded systems from its importance, feasibility and validity. to develop the single - chip microcomputer of the device, the paper does a lot of work of design hardware and software include using soft timer with task - plan solving the whole arrangement of the process

    在選線裝置的現方式上,本文提出了基於單片機方式的體電路的開發方案和軟體系統設計方案,嘗試了使用80c196kb的三個軟體定器中斷結合型設計方法解決程序流程的問題。
  4. In the integrated scheduling service, hard periodic tasks are scheduled off - line to meet their real - time requirements, and each soft aperiodic task request is assigned a suitable deadline to enhance the aperiodic responsiveness. scheduling guarantees of hard periodic tasks are preserved through the on - line schedulability analysis. the sharing of critical section resources between the tasks is also considered in the integrated scheduling service ' s schedulability analysis, and bounded blocking for accessing the critical section resource is achieved by introducing the priority ceiling protocol

    在該模型中,對周期性集進行離線調度以滿足其可調度性保證:給動態到達的軟非周期性分配一個截止期,提高其響應性能,同通過在線可調度性分析保證周期性的可調度性不受影響;集成調度服模型在可調度性分析中還考慮了之間共享臨界區資源的情況,採用優先級上限協議對訪問臨界區引起的阻塞進行了定界分析。
  5. Beginning with indagation and choosing of parts, we have achieved its theory project, schematics, pcb drawings, hardware debugging and replantation of real time operating system ( rtos )

    本文從元器件調研、選型開始完成了386ex航天計算機的原理設計,原理圖、 pcb繪制,體調試,並現了vxworks操作系統( rtos )的移植。
  6. The primary aim of the single chip microcomputer circuit of this project is data collecting, it applied the invention monopoly of professor zhang guanghui and professor peng donglin of chongqing university, make use of the high frequency inserted pulse, and join together the software to constitute subsidiary calibration distributed on equal time, complete the task of on - line subdivision in the dynamic measure process, finally up pass the data to pc, pc handle it and get examination result

    下位機是體集成電路,利用重慶大學張光輝教授、彭東林教授的發明專利「計算機對脈沖信號的細分與辨向新方法」 ,附加頻率極高的外部插入脈沖,結合軟體構成按間均勻分度的輔助標尺,現動態測量過程中采樣點的細分,最終完成數據採集;上位機主要是軟體部分,利用pc機接收下位機的採集數據並進行分析處理,得出檢測結果。
  7. The exploitation and study of this system have got great success, compared with the ones of the same type, this system is more open and more easily used to merge with cad and cam, it runs stably, is convenient to be maintained and the interface is friendly and intuitional. its usage can be grasped quickly. according to the input information, it can automatically display different properties of nc codes in different colors, and zoom in or zoom out the figure of tool nose paths dynamically

    本系統的開發研究已取得質性成果,與國內同類的數控系統相比,具有真正的開放性,易於現與cad cam軟體集成,運行穩定,維護方便,界面友好直觀,易學易用,能根據輸入自動顯示不同顏色以區廣西大學頎士學趕文募于; m咖ss平臺肘開俠尤三劫肛前喊在系統開發研窮分代碼的屬性,能動態縮放顯示刀具軌跡圖形,此外,它有較好的多性和獨立性,能在加工執行其它windows應用程序而不影響加工,控制器甚至能在pc端操作系統關閉繼續完成加工,可用軟體控制面板或體操作面板兩種方式操縱機床。
  8. 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

    針對研製的要求,課題期間研製了下位機系統體和軟體,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 ;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;精確鐘晶元ds1302在系統中的應用,在此,我們現了用單片機的i o口與ds1302的連接和在軟體中對序的模擬,該晶元的應用給整臺儀器提供了間基準,方便了儀器的使用;另外,針對研製的要求,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,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。
  9. Is a hard real - time operating system that handles time - critical tasks and runs linux as its lowest priority execution thread

    是一個操作系統,處理對間關鍵的,並將linux作為最低優先權執行線程運行。
  10. If someone dies or the mission fails, it " s generally considered " hard " real - time, which is meant to imply that the system has " hard " deadlines

    如果一些人死或失敗,它被認為是「系統,意思是系統有一個「」死線。
  11. At the early age of embedded system history, many real - time operating system use multi - task sharing single address space mode, which means kernel and application run in the same priviledge and application can access the whose address space with full pomission, for the limited performance and hardware resource

    在嵌入式系統發展早期,由於體資源和性能有限,很多操作系統採用的是單地址多空間模式,即內核和應用都運行在同一特權級,應用程序可以無限制的訪問整個系統地址空間。
  12. As the results, more and more serious requirements were raised to the nuclear data acquisition and control system. in order to meet these requirements and to support the advanced study of the interaction between clusters and materials, a key project supported by china national science foundation, we have done the study of the data acquisition and control system for the clusters characteristic in detail, and employed single - chip microcomputers and pc computers to compose a large scale data acquisition and control system. the composition mode of this kind of system and the distribution of tasks, the acquisition and control circuit units based on single - chip microcomputers, the real - time communication methods and the software composition under the windows 98 were also discussed in detail

    針對這一問題並為了保證國家自然科學基金重點項目「荷能離子團簇與介質的相互作用」等前沿研究課題的進行,本論文對團簇研究中的數據獲取和調控問題進行了詳細研究,提出了以pc微機和集群式單片微機為主構成的團簇特性研究用分散式多通道數據獲取和調控系統的方法;詳細討論了這種系統的最佳組成模式、分配、單片微機數據采控單元、系統內通訊網的建立和windows環境下系統軟體的編寫等軟體問題。
  13. Aim at the current practical situation, a kind design procedure is presented on terminal which based on arm and c / os -, and selects the arm microprocessor and operating system combine with the demand of the subject. it designs the hardware system based on the lpc2124 and the periphery interface chipset, and implements the transplantation of c / os - on the lpc2124, compiles the hardware drivers and the api based on c / os -, the system introduces multitask based on dispatching priority to solve the disadvantage of the foreground / background system. a kind of project on remote update software based on gprs and iap is presented, and discusses the reliability in the end

    針對目前際情況,在研究了終端設計多項技術的基礎上,設計了一種基於arm和c / os -的配變監控終端,結合課題的要求對arm處理器和操作系統進行了具體選型,在基於lpc2124的mcu和外圍介面晶元上,進行了終端體系統的設計;現了cos -在lpc2124mcu上的移植;編寫了基於c / os -的api介面函數和底層體驅動程序;採用多按優先權調度的方式解決了處理的性,克服了傳統前後臺軟體在復雜的監控終端設計中性差的問題;針對終端軟體升級方案進行了探討,提出了一種基於gprs網路的遠程在應用編程( iap )的軟體升級方案,對終端軟體升級模塊進行了軟、體設計,並對升級方案的可靠性進行了探討。
  14. ( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese

    本論文的主要研究內容如下: ( 1 )研究uc os -嵌入式操作系統在體平臺上的移植及其佔先式內核的調度原理,合理分割銑床控制系統的管理,根據的要求賦予不同的優先級和調度間,保證的執行效率和性; ( 2 )開發底層設備驅動程序和應用程序介面( api )函數,以便於進行系統應用軟體的開發; ( 3 )深入研究fat16文件系統的結構和固態盤的體特性,參照fat16文件系統的管理思路,開發固態盤文件管理軟體以有效管理nc代碼文件; ( 4 )深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議,開發串口通訊網路通信軟體; ( 5 )研究字元的顯示原理和在操作系統中嵌入字庫的方法,在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法,開發中文字庫嵌入軟體,滿足開發操作界面的信息要求; ( 6 )深入研究三維圖形坐標變換的原理,開發用的三維加工軌跡顯示軟體,便於操作者對零件的加工過程進行監控和診斷。
  15. One way, linux kernel can be modified directly to reduce the schedule latency and this is so - called soft real - time. the other way, the so called sub - kernel idea can be adopted, which adds an extra real - time kernel besides linux kernel. the real - time kernel is in charge of managing and scheduling all the real - time tasks and linux kernel is treated as a real - time kernel ’ s task with the lowest priority

    一種是對標準linux內核進行直接修改,通過減小操作系統的調度延遲,優化linux的性能,達到軟的標準;另一種是採用雙內核方案,增加一個內核,所有有要求的都在這個內核上運行,標準linux內核作為這個內核優先級最低的一個進程,這種方式可以
  16. Its hardware system uses high - quality communication processor 8260 of motorola. it software system has as it core the multitasking mechanism under the embedding realtime operation system. moreover, it dawns upon picture user boundary tornado 2. 0 as it development environment, and is strictly based on protocol model

    該軟體參照3gppts25 . 321 ( macprotocolspecification )協議規范,體系統採用的是motorola公司的高性能通信處理器8260 ,軟體系統是以嵌入式操作系統vxworks下多機制為核心,以基於圖形用戶界面的tornado2 . 0為開發環境,嚴格建立在協議規范基礎上的數據傳輸協議軟體系統。
  17. Among the critical algorithms the technique of dividing task set in. to scheduabletasks and manageabletasks, the algorithm of maximizing scheduabletasks, and the algorithm of optimizing hard real - time tasks are originated by the author

    其中將集劃分為seheduabletasks和manageabletasks的思想,最大化seheduabletasks演算法,硬實時任務的調度優化演算法為筆者自行研發。
  18. Discriminating scheduling policies are applied to the 2 subsets. real - time tasks are also categorized 2 - dimentionally by arrival pattern ( periodic tasks vs. aperiodic tasks ) and deadline type ( hard real - time tasks, firm deadline tasks, etc. ), and the policies to implement deadline monotonic algorithm on these types of tasks are discussed

    並且將按照到達模式(周期性,非周期等)和截止間類型(截止間單調技術研究與調度模型的,固定截至等)兩個維度進行了分類,討論了如何利用截至間單調演算法處理不同類型的
  19. We test scheduling policy in the 3. 3, the result show that the scheduling policy in 3. 3 ensures that the task of hard real - time does not drop deadline, guarantees the qos demand of soft real - time tasks and does not starve common tasks

    對3 . 3節中的調度策略進行測試,驗表明:硬實時任務得到了優先執行,普通能獲得一定的cpu間,不會饑餓,並保證了軟的qos要求。
  20. So it can be made a conclusion that this scheme could be realized. secondly, because the traditional web server has some shortcoming and can not be connected directly with harware and devices, a special web server is described by this paper, which can support the interface for experiment devices. to ensure real - time characteristic of system, the paper specially presents a real - time task scheduling algorithm for commands ( named rtcs ) of operating experiment devices

    其次,針對傳統web服器本身存在的一些缺憾,及遠程驗系統的特殊需要,闡述了可駁接體裝置和設備的專用web服器的現過程,對驗操作請求專門設計了一套命令( rtcs ) ,提出了分配與處理演算法,在保證整個系統的性方面取得了成效。
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