double-impulse 中文意思是什麼
double-impulse
解釋
雙脈沖-
The voltage ir on core adopts semienclosed insert model. the current element adopts two - stage compensation to have wide load property. the whole plasticenclosed voltage coil. can withstand instantaneous large voltage impulse. the double jewels bearing or the magnetic - propelled bearing can ensure long lifetime. the bipolar aluminium nickel cobalt damping magnet steels have high coercivity, stable magmetic property. the electric function is in accordance with iec521 international standard
：電壓鐵芯採用半封閉插入式，電流元件採用二級補償使表計具有寬的負載特性。全塑封的電壓線圈能稱說瞬時大電壓沖擊。雙寶石軸承或磁推動軸承確保表計長壽命。 -
In this paper, researching and producing on current waveform control system of inverter carbon dioxide welding machine is given. the overall plan, the design of hardware structure, the programming and debugging of software is described in detail. the bang - bang and alterable structure discrete pid synthetic control algorithm are used to modulate the width of pwm signal in real time, to acquire the fiat character by driving and controlling the opening and shutting time of igbt, the technology of " double impulse " is adopted to realize electric current waveform control
本文介紹了逆變波形控制co _ 2焊機控制系統的研製，詳細闡述了總體方案的制定、硬體研製及軟體的編寫與調試，採用變結構、離散型pid + bang - bang復合控制演算法、實時調節輸出pwm信號的脈沖寬度，驅動控制用於逆變的大功率開關管igbt的開通與關斷時間，獲得逆變焊機平外特性。
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