hardware resource control 中文意思是什麼
hardware resource control
解釋
硬體資源控制-
The article points out the importance and necessity of the information - security from its actuality in our country. the resources in the information system, for instance, hardware, software, data, document, operator, meterial and so on, are evaluated and gived safety grade firstly. and then, it analyses the menace including the nonauthorized access, the information leak, the refused sevice, the internal objection which the system will take. the following are the corresponding control police : confirm the users " rights and duties, including the mode of using account, the limit of accessing resource, the application of password, the building of backup ; confirm the administrators " right and duties, including physical safety, system configuration, account configuration and usufruct, password management, audit and control, backup and individual intimity ; run - of - mill measure of security defence, including access control, symbol and identification, integrality control, password technique, firewall system, audit and resumption, safety of operating system, safety of database system, defence of computers " virus and resisting - deny protocol. in the end, the article offers the strategies of disposing the safety - accident and analyse after ithow. to report it, how to solve it in phase, and how to avoid it happening again. in a word, the article presents a holistic resolvent about keeping away the information system ' s security, and supplies a essential frame for its configuration, management and application
然後，對系統可能受到的威脅，包括非授權訪問、信息泄漏、拒絕服務和內部缺陷等進行分析，並提出了相應的控制策略：確定用戶的權力和責任，包括帳戶使用方式、資源訪問權限、口令應用以及建立備份等；確定系統管理員的權力和責任，包括物理安全、系統配置、帳戶設置及使用權限、口令管理、審計和監控、備份以及個人隱私等方面；一般性的安全防護措施：存取控制、標識和認證、完整性控制、密碼技術、防火墻系統、審計和恢復、操作系統安全、數據庫系統安全、計算機病毒防護和抗抵賴協議等。最後，對事故處理和事後分析提供策略，如何報告安全事故，如何協調解決安全事故，如何避免安全事故再次發生。總之，本文對信息系統安全防範工作給出一個整體的解決方案，為其在配置、管理和應用方面提供了基本的框架。 -
In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical
在硬體設計中，本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信，同時系統電路配置成中斷響應方式，這樣既滿足了系統要求，又充分利用了tms320f2812的硬體資源。在軟體設計中，本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。 -
Plc, robot and cad / cam are called the three major pillars in the modem factory automation. plc, as the head of the three, has become the leading basic automatic equipment in the field of the industry control in the early 1980s " but as a matter of fact, plc being with the lack of friendly man machine interface, rnakes no close relationship between human and machineometimes it even can not be promoted and applied in some fields aiming at the situation mat those imported products are too expensive while domestic products are of rare famous brands, a plc man - machine interface - plc monitor is developedthis paper systemically introduces the developing procedure for the whole system, including how to design hardware and software system. especially emphasizing plc communication protocol. real time message accessing, lcd controller instruction set, definition of data construction for message & tag screens and how to display thern, assignment of internal resource of cpuealization in software among plc & manitor, file format defining a nd download of user data, etcplc monitor will compensate some weakpoints of plc, and extend the application rangeimultanneously enhance the performance of plc and increase the attached value of mechanical machines, undoubtedly it will see hight market prospect
針對人機界面進口產品的高昂價格和國產品牌稀少的這一現狀，研製開發了一種plc人機界面? plc監控器。本文系統地介紹了整個系統的開發過程，包括硬體系統、軟體系統的設計及實現，重點介紹了plc通信協議，監控器的基本工作原理以及期望實現的功能，監控器電源電路、 sram存儲器掉電保護電路、 cpu監控器電路、按鍵輸入電路的設計及按鍵狀態的讀入，時鐘信息的設定與讀取， cpu液晶顯示器指令系統，信息畫面及標簽數據結構的定義及顯示方法， cpu內部資源的分配，監控器與plc通信的軟體實現，文件格式的定義以及畫面數據的下載等。 plc監控器彌補了plc一些方面的不足，可以擴大plc的應用范圍，提升機械設備的檔次，增加設備的附加價值，具有一定的市場前景。 -
The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus
衛星天線伺服控制系統以正弦波永磁同步電機作為驅動電機，採用多邊形磁鏈軌跡法（電壓空間矢量法）的控制策略；動量平衡電機採用永磁無刷直流電機，通過電流環、速度環達到快速、精確跟蹤驅動電機的目的，確保了衛星姿態恆定；設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制，並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。 -
Applying singlechip in the receiving system, this method can make the best of singlechip ' s resource of software and hardware and provide a reasonable and cheap resolving project for wireless remote control
在發射系統中採用十進制至8421碼編碼器實現對開關按鍵編址，從而對受控電路進行選擇控制；在接收控制系統中引入單片機，通過充分利用其軟、硬體資源，為無線電遙控提供了合理、廉價的解決方案。 -
In system hardware design, data pipeline of the separation of reading and writing, which aims at data memory control - flow analysis in raid and reduces the resource ' s expanse of memory system, is established
在系統硬體設計中，針對數據在raid中的存儲控制流程，建立了讀寫分離的數據流水線，減少存儲系統的資源開銷。 -
Resource collocation and mainly performance on inbuilt industry control computer - pc / 104, which has been used in the hardware design, are introduced generally
對其中所用嵌入式工業控制計算機? pc 104 ，在文中對其資源配置及主要性能特點做了全面的介紹。 -
Along with the development of numerical control technique, it is so convenient to control motion in system of robot and numerical control machine for all kind of motion controllers appeared. and that the biggest factor to effect the system performance in numerical control system is the controller of servo. but the price of those controller is too expensive in the current market so developing a kink of low - priced, current, opening and real time motion controller that can make good use of the abundant software and hardware resource of computer is great significant to development of midtype and minitype numerical control system
隨著數字控制技術的發展，各種運動控制器的出現為機器人、數控機床等系統中的運動控制提供了很大方便，而在數控系統中對系統性能影響最大的是伺服控制卡，但是當前市場上存在的各種控制卡價格比較昂貴，因此研製一種能夠充分利用計算機平臺豐富的軟硬體資源，價格便宜、通用性、開放性及實時性較高的運動控制器對中小型數控系統的發展具有重大的意義。 -
The virtual instrument is the soft instrument, which instead of corresponding electronic circuitry using special software, makes full use of computer hardware resource to accomplish part or entire function of traditional instruments and makes the software as kernel, which has the function of control, processing and analysis. the vi is the modularization and softwarization
虛擬儀器是以具備控制、處理分析能力的軟體取代相應功能的電子線路，充分利用計算機的軟硬體資源，用計算機完成傳統儀器的部分乃至全部功能的軟儀器；是傳統儀器功能與外形的模塊化和軟體化。 -
In the course of implementation on hardware, sdram is adopted to design a reasonable and practical data manipulation scheme for mpeg - 4 data stream. the system minimizes the resource requirements while meeting a definite function target. besides, on the basis of study on rate control of tmn8, we also designed the section of rate control of this system in the way of both hardware and software
通過對視頻編碼過程中數據流操作的分析，結合sdram的工作特點，合理設計了mpeg - 4編碼器的數據流調度方案，在滿足系統最高要求的基礎上，節省了寶貴的硬體資源，提高了程序的通用性；在分析了碼率控制的基本原理及演算法的基礎上，結合arm處理器的特點，設計了mpeg - 4編碼器碼流控制部分的硬體部分和軟體實現，實驗表明其起到了編碼結果調整的作用，效果良好。
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