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LI Guizhong, WANG Zhaowei, LI Mo. Collaborative control strategy for stainless steel resistance spot welding process[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2010, (7): 63-66.
Citation: LI Guizhong, WANG Zhaowei, LI Mo. Collaborative control strategy for stainless steel resistance spot welding process[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2010, (7): 63-66.

Collaborative control strategy for stainless steel resistance spot welding process

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  • Received Date: March 09, 2009
  • The particularity,necessity and suitability on the collaborative control method that was used to stainless steel resistance spot welding procers are discussed in this paper.Based on the experiment results,the welding process of every nugget was divided into two periods.That is,no-nugget period and nugget-growing period.In no-nugget period,the constant current control method was used.In nugget-growing period,the modeling control method was used based on the reference characteristics of the dynamic current lag angle.This control mechanism is the collaborative control strategy.The experiment results show that it can make the starting point of nugget stable,thus provide a threshold control method with high reliability and good nugget quality.
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