sampling controller 中文意思是什麼

sampling controller 解釋
采樣控制器
  • sampling : n. 1. 取樣(品),取標(本)〈指行動或程序〉。2. 樣品,標本。3. 剽竊拼湊歌曲。
  • controller : n 1 管理人,主管人。2 (會計的)主計人,檢查員;〈英國〉(特指宮廷、海軍等的)出納官〈常作 comptr...
  1. On the basis of the research of former graduates, we design the hardware & software of digital boxcar by employing the high - speed ad fpga chip and the usb protocol controller chip, and we realized the high - speed sampling, digital adding, high - speed storage, data transmission and interface circuits of pc successfully

    根據實驗室前幾屆研究生的積累,前人研究方案的基礎上,利用ad晶元、 fpga晶元和usb協議控制晶元重新設計了boxcar的硬體實現電路和相應的檢測軟體。
  2. Chapter two is data sample of system. it will discuss the data conversion theory, 24bit e - a data conversion, mux - channel switch sampling technology, and emc design. among them, we will introduce the principle and application of ads 1251, application of photomos technology in mux - channel switch sampling, and emc design with hardware and software of gas feed controller, which has good performance in reliability

    第二章介紹系統的數據採集,該部分包括24bit -采樣原理、多路信號切換採集技術和電磁兼容設計,其中,主要介紹了ads1251晶元的工作原理和應用, photomos技術在多路信號切換采樣中的應用,以及配氣控制器在硬體、軟體等方面所做的電磁兼容設計,通過這些設計使得系統具有很好的穩定性和抗干擾性。
  3. The programmable logic controller ( plc ) is dealt with in terms of application of engineering and the practice in the sampling control system of coal conveyer

    摘要從工程應用的角度,簡述了可編程序控制器( plc )在實際的輸煤采樣控制系統中的具體應用。
  4. We use a colorful noise to describe traffic flow and regard it as the uncontrolled input ( equaled to noise ). then we use the multi - rate sampling pi controller to eliminate the error caused by noise, and make the length of queue stabilize at the threshold. the availability of the strategies and stability of systems are proved by doing some analysis and simulation

    文中我們將一有色噪聲看作不可控輸入的擾動,採用基於pi的多采樣速率控制器以消除由此不可控輸入所造成的對系統輸出(交換節點緩沖區隊列長度)誤差的影響,使得系統輸出(隊列長度)穩定在閾值附近。
  5. At the same time we based on the high precision tuning mechanism and computer controlling feed - back technology to design pid controller. so, we finished design of closed - circuit controlling system and achieved the goal of sampling and feedback

    同時,本文在高精度的調諧機構的基礎上,利用計算機控制反饋技術,設計了速度式pid控制器,完成了閉環反饋控制系統的設計,實現了輸出參量光信號採集和反饋的目的。
  6. 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。
  7. The system selects micro control unit and programmable logic device as the core of controller, gsm terminal module as communication device, gps as position equipment, a / d sampling for voltage and current checking, solar battery as power supply, switch dc - dc as power voltage conversion, and so on

    以微處理單元與可編程邏輯器件為核心搭建系統控制器,選擇gsm無線通信模塊實現系統通信,全球定位系統實現水標燈定位, a d采樣與轉換實現電壓電流檢測,太陽能電池為系統供電,開關型dc - dc實現電源電壓轉換。
  8. The fpga of xilinx inc. works as a important part, with which many functional modules, including a controller of lcd display, a fifo ( first in first out ) memory, a controller of sampling clock, and so on, were implemented

    Xilinx公司的fpga (現場可編程門陣列)作為系統的外圍控制器,實現系統的其他很多功能模塊,包括lcd (液晶顯示)控制器、測頻和測周模塊、 fifo (先進現出存儲器) 、采樣時鐘控制器,等等。
  9. With regard to the flow regulation of the best - effort traffic, the controllable traffic in high speed computer communication networks, the present paper proposes a novel control theoretic approach that designs a proportional - integrative ( pi ) controller based on multi - rate sampling for congestion controlling. based on the traffic model of a single node and on system stability criterion, it is shown that this pi controller can regulate the source rate on the basis of the knowledge of buffer occupancy of the destination node in such a manner that the congestion - controlled network is asymptotically stable without oscillation in terms of the buffer occupancy of the destionation node ; and the steady value of queue length is consistent with the specified threshold value

    本文從控制理論的角度出發,針對計算機高速網際網路中最大服務交通流即能控交通流的調節問題提出了一種基於多速率采樣的具有比例積分( pi )控制器結構的擁塞控制理論和方法,在單個節點的交通流的模型基礎上,運用控制理論中的系統穩定性分析方法,討論如何利用信終端節點緩沖佔有量的比例加積分的反饋形式來調節信源節點的能控交通流的輸入速率,從而使被控網路節點的緩沖佔有量趨于穩定;同時使被控網路節點的穩定隊列長度逼近指定的門限值。
  10. In the time - domain, based on the principle of random sampling of dso. two way ( " time amplifing in dual slope integral " and " time - voltage convert " ) are implemented to measure the time between the system triger and writing clock. thus random sampling interpolate can be done to measure repeated signal in high frequency with the a / d convert and controller which frequency are lower

    在時域,根據數字示波器隨機取樣原理,用兩種方法(雙斜率積分時間放大測量方法和時間? ?電壓轉換測量方法)測量數字示波器系統觸發和采樣寫時鐘間時間間隔,用低速a / d轉換器及控制器進行模?數轉換和控制,以此進行隨機取樣內插,從而實現了對高頻率重復信號的測量。
  11. In this system, it is master - slave structure between pc and dsp. dsp transfers data to pc by adopting the dmac ( direct memory access controller ) in pc. the thesis dwells on every part of hardware circuit and main technology such as dsp, the transferring mode of dma ( direct memory access ), etc subsequently, it introduces the software design of the sampling system and user interface

    該最小系統製作成高速數據採集卡,插入pc機的isa總線插槽中, pc機與dsp構成主從結構,系統中tms320f240dsp作為pc機的下位機,採用pc機內的dmac ( dma控制器)通過dma (直接存儲器存取)方式把採集的數據傳送到pc機進行處理。
  12. The software and hardware design of portable digital testing equipment based on tms320vc5510 are presented, which is the newly efficient and low power consuming dsp of ti corporation. the system realizes the requirement of sample theorem when sampling the wide spectrum signal with an equivalent sample technology, integrates the lcd control core in cpld and makes cpld as lcd controller instead of specific lcd controller, and makes the colorful stn - lcd as terminal displaying facility. the system suits the development requirement of the new portable digital testing equipment with the specialities of low power consuming, high integration and good displaying interface

    本文介紹了以ti公司新一代高效率、低功耗數字信號處理器tms320vc5510為核心實現的便攜式測試設備的軟硬體設計,以等效采樣技術實現采樣寬頻譜周期信號對采樣定理的要求,在cpld內集成完整的lcd控制核代碼,並以cpld作為lcd控制器取代專用控制器,以stn彩色lcd作為終端顯示設備,該方案具有功耗低、集成度高、良好的人機介面等特點,適合新一代便攜式測試設備的發展需求。
  13. A deadbeat controller is utilized in the stationary frame, eliminating the machine back electro motion force with an assumption that it is a constant in one sampling interval

    通過差分消去電機模型中的反電動勢,利用補償電壓進一步消除電流誤差。
  14. The main function of the intelligent release, whose central controller is tv s dsp tms320lf2407, is to deal with the sampling data and fault protection of breakers

    本智能脫扣器在硬體上以ti公司的dsp晶元tms320lf2407為核心處理器,主要進行數據的實時採集處理和斷路器的故障保護。
  15. It suits in 220 500kv voltage rank ’ s electrical power system breakdown recording. uses 32 - bit embedded microprocessor arm and the high speed dsp multi - tasking ; designs the fpga hardware data sampling controller to produce the control signals, and guarantee sampling precision ; may record 36 groups analog signals and 80 groups switches signals ; uses distributed and modular design distributionally, may dispersely install in the screen cabinet, also may be linked to a management computer or transfer data to the far control center through the 10m / 100m ethernet

    它適合於220 500kv電壓等級的電力系統故障錄波。採用32位嵌入式微處理器arm與高速dsp并行工作;設計了fpga硬體數據采樣控制器產生控制信號,保證采樣精度;可以記錄36路模擬量和80路開關量;採用分散式、模塊化設計,可以分散安裝在屏櫃中,也可以通過10m / 100m以太網級連到一臺所級計算機或遠傳到調度中心。
  16. The ep2s15 of altera company, work as the system ’ s peripheral controller include fifo ( first in first out ) memory and sampling clock controller

    Altera公司的ep2s15作為系統的外圍控制器,實現對系統的fifo (先進先出存儲器)與采樣時鐘的控制。
  17. Abstract : the control reconfigurable aircraft with multi - surfaces needs robust basic flight control system to support enough time for failure detection and isolation. when partial surface loses, it can keep the damaged aircraft stable. in this paper, multivariable output feedback digital control laws are designed for the control reconfigurable aircraft ( cra ). the method uses fast - sampling digital pi controllers to design digital flight control tracking system. this paper gives the way to design the controller and analyze its robustness characteristics. the simulation results indicate that the controller is very robust and the output responses are fully satisfactory

    文摘:控制可重構飛機要求其基本飛行控制系統對舵面部分缺損故障具有強的魯棒特性,在故障發生后保證飛機的穩定性,提供足夠的時間進行故障的檢測和隔離,為控制系統重構提供條件.本文採用高速采樣pi控制器設計輸出反饋跟隨系統,給出了控制器的設計方法,並分析了它對于控制舵面部分缺損故障的魯棒特性.模擬結果表明,這種控制器具有好的魯棒特性
  18. A new control method to use single chip controller and grating position sampling technology is put forward based on the control principle of crane hoisting limiter

    摘要根據起重機的行程限位控制原理,提出了採用單片機作為控制主機,光柵作為位置采樣的新型控制方案,並就其硬體和軟體的設計做了較深入的闡述。
  19. In this paper, we used the characteristics and introduced the delta operator to linear quadratic following control system, the results show that when sampling period is approaching to zero the results of the discrete - time system is approaching the continuous - time system, and the design of the following controller is completed by linear riccati equation

    本文利用上面導出的delta運算元性質,把delta運算元應用於二次型跟蹤系統當中,得出了采樣周期趨近於零時delta域內的最優解趨近於相應的連續域最優解,並指出了離散域的輸出跟蹤器的設計可用連續riccati方程得到近似解。本文把delta運算元引入線性系統的廳。
  20. Hardware controller uses the at89c51 monolithic integrated circuit, a / d transformation uses 12 bit transformations chips max187, has completed the design of a front channel for sampling and processing the simulated signal

    其中硬體單片機採用at89c51單片機, a / d轉換採用12位轉換晶元max187 ,完成了模擬信號從采樣到處理的整個前向通道設計。
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