{ "item_title" : "Key Technologies of Intelligentized Welding Manufacturing", "item_author" : [" Na LV", "Shanben Chen "], "item_description" : "Multi-source information of arc welding dynamic process.- Acoustic mechanism and arc sound source modeling for GTAW welding.- Feature extraction and analysis of arc sound signal with dynamic welding process.- Channel generation mechanism and modeling for arc sound signal during GTAW.- Prediction model establishment based on arc sound feature array.- Relationship modeling between weld pool collapse and welding penetration based on analyzing arc sound features.- Real-time control of welding penetration via arc sound signal for GTAW welding.- Microphone array technology in welding dynamic process monitoring.- Multi-source Information Fusion between Welding Arc Sound and other Welding dynamic processes.- Summary and Conclusions.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/9/81/152/004/9811520046_b.jpg", "price_data" : { "retail_price" : "109.99", "online_price" : "109.99", "our_price" : "109.99", "club_price" : "109.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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