{ "item_title" : "Permanent Magnet Synchronous Motor Drives for Gearless Traction Elevators", "item_author" : [" Guoqiang Zhang", "Gaolin Wang", "Nannan Zhao "], "item_description" : "Chapter 1 - Permanent Magnet Synchronous Motor Traction System - An Overview.- Chapter 2 - Mathematical Model of Gearless PMSM Traction Elevators.- Chapter 3 - Initial Position Detection for PMSM Traction Drives.- Chapter 4 - Speed Detection Method at Low-Speed Operation.- Chapter 5 - Starting Torque Control Based on Dichotomy and Staircase Methods.- Chapter 6 - Fuzzy Self-Tuning Torque Control Strategy.- Chapter 7 - Starting Torque Control Strategy Based on Offset-Free Model Predictive Control Theory.- Chapter 8 - Enhanced MPC for Rollback Mitigation During Elevator Startup.- Chapter 9 - ADRC Strategy for Gearless PMSM Traction Elevators.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/81/169/317/981169317X_b.jpg", "price_data" : { "retail_price" : "169.99", "online_price" : "169.99", "our_price" : "169.99", "club_price" : "169.99", "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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