stepping circuit 中文意思是什麼
stepping circuit
解釋
步進電路-
According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also
根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。 -
On the aspect of the dynamic character, the electrocircuit model of the motor is being realized on the pspice environment. the transient character of the pmlsm under the sinusoidal power is reached using the pspice model at circuit level, the results are compared with those using time - stepping fem
從電機的動態性能方面：建立了電機的pspice模型，在pspice環境下對電機進行正弦波驅動下瞬態特性的模擬，並與以電磁場分析為基礎的時步有限元電機的動態模擬分析進行了比較。 -
It deals preferably with interpolation output based on divided circuit. so, it ameliorates some characteristics of stepping motor, and improves interpolation precision. in this paper program is designed by mscomm to explain work principle of communication between person computer and single microcomputer for processing files designed by cad, then it is processing component parts
本文對于在細分驅動中常出現的在細分電流的下降沿，由於電流下降速度慢而不能很好地實現細分的問題給予解決；解決了有細分電路后的插補輸出控制，這樣既改善了步進電機的某些性能，又提高了插補精度；為了將cad設計的加工文件直接通信給單片機，然後進行加工，本文用mscomm設計的程序用來說明其工作原理。 -
Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed
論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構；第二章對系統內置110v直流控制電源進行了分析和設計，結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施；第三章論述了步進電機的驅動，結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路，並在試驗中得以驗證；第四章詳述了液晶驅動及顯示技術，利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路，設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼；第五章則將以上構建的整個系統應用在機車受電弓的實測中，並對測試解析度進行了分析。 -
Chapter two focuses on the architecture and circuit design of asna2001. three parts are included : power supplier, ad dc amplifier and stepping - motor driver. circuit diagrams, design thoughtway and some calculation are provided
第二章說明了asna2001標量網路分析儀的工作原理與電路設計，這主要包括了三個方面：電源電路、 ad da放大電路和步進電機驅動電路。 -
The emphasis of this article is the design in the second period, which is based on the pic microchip interface, because at present embedded structure is adopted by most of medical instruments so that it can run separately without computer, hi this part the article specifically introduces the interface circuit of pic16f877 single - chip, which includes the acquisition of a / d signa ls and the serial communication between the single - chip and computer, the design of complex programmable logic device ( cpld ) and the using of hardware describe language ( vhdl ) to control the rotate speed of 4 - route stepping motors
本論文的重點是在設備的第二階段開發，它是基於pic系列單片機介面的硬體設計，主要是針對現階段大多數醫療設備都是採用嵌入式結構，它能夠脫離計算機單獨運行。在這部分詳細介紹了pic16f877單片機的外圍電路，包括a d信號的採集、單片機與計算機的串列通信，可編程邏輯器件cpld硬體的設計，以及用硬體描述語言vhdl編程來同時實現4路步進電機的轉速控制。 -
But despite stepping out on the celebrity social circuit recently, emma, from oxford, said she remains reassuringly " normal "
盡管近來頻頻出入社交圈，但來自英國牛津的艾瑪表示，她目前的生活仍然很「正常」 。
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