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circuit drive 【棒球】本壘打。

circuit judge

In order to apply esd to practical engineering , the author develops computer - aided events sequence diagram system ( caesds ) . taking the power failure of spaceship cooling circuit drove pump as an example , this thesis uses the improved esd method and the esd model constructed by caesds , drawing a conclusion that the improved method and caesds is valid in manned spaceflight risk assessment 并以飛船冷卻回路驅動泵電源故障為例,綜合運用改進的esd方法,利用caesds對其建立esd模型,最后分析得到結論,說明了改進的方法和caesds在載人航天安全性風險評估中的有效性。

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,采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,并進行了波形分析和理論研究;采用單片機軟件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,完成了硬件設計、制作和軟件編程、調試,最后在混合式旋轉步進電動機上進行了全面測試。

A white led driver circuit is presented in this paper . the circuit drives up to four white leds with regulated constant current for uniform intensity . by utilizing proprietary adaptive 1x / 1 . 5x modes and ultra - low - dropout current regulators , it maintains the highest possible efficiency over the full 1 - cell li + battery input voltage range 整體電路以恒定電流驅動4只白光led ,利用1倍/ 1 . 5倍分數型電荷泵和低壓差電流調節器,在整個鋰電池供電電壓范圍內保持最高的效率,并使四個白光led獲得均勻的亮度。

The paper studies and designs the circuit driving the servo motor and the motor for clearing , and the serial communication circuit , and the sensor data input circuit etc . the author develop the embedded controller software based the advanced singlechip language - pl / m and the user interface software base vc + + 6 . 0 進行了清刷機器人的伺服電機驅動與控制電路、清刷電機驅動與控制電路、串行通訊電路、傾角傳感器數據采集等硬件電路的設計,并進行了基于pl m高級單片機開發語言的下位機嵌入式控制軟件的開發和基于vc + + 6 . 0的上位機用戶操作界面的開發。

The circuits driving the ccd and processing the video signal are implemented by means of cpld ( complex programmable logic device ) and hdl ( hardvvare description language ) . the solution to solve the problem of multi - level logical competitive risks that occur in cpld circuits frequently was provided in details in the thesis Ccd的驅動電路和視頻信號處理電路采用cpld (可編程邏輯器件)和hdl (硬件描述語言)實現,文章對cpld電路中容易出現的多級邏輯冒險競爭情況作了專門的敘述和提出相應的解決方法。

This paper proposes a soft - swiching inverter based on mrac and analyzes the design of main circuit drive circuit and control circuit in details 提出了一種基于模型參考自適應控制的軟開關逆變器,詳細分析了主電路、驅動電路和控制電路的設計。