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解析汽车动力系统技术发展方向
Zhong Guo Qi Che Bao Wang· 2025-06-26 01:24
Core Insights - The Chinese automotive industry has made significant breakthroughs in recent years, particularly in the areas of new energy vehicles, showcasing technological innovation and market promotion that contribute to the global transition towards low-carbon and electric vehicles [2][3] Group 1: Technological Innovations - The automotive power system innovation is a core support for the low-carbon and electrification transition, with notable advancements in hybrid dedicated transmission efficiency and engine thermal efficiency reaching 46%, an increase of over 13 percentage points since 2020 [3] - Diesel engine thermal efficiency has surpassed 48%, improving by 4.3% compared to 2020, achieving international advanced levels [3] - Peak power density of drive motors has reached over 7000 kW/kg, with high-performance motor controllers based on silicon carbide devices achieving a power density of 45 kW/L, nearly a 50% increase since 2020 [3] Group 2: System Integration and Material Innovation - The automotive power system is evolving towards higher efficiency, integration, and intelligence, with a focus on multi-domain fusion and the integration of core drive units, high-voltage systems, battery management systems, and thermal management systems [3][4] - Material innovations such as silicon carbide, carbon fiber, and high-strength steel are being rapidly adopted, enhancing vehicle lightweighting and performance [4] - Advanced manufacturing processes like laser welding and 3D printing are improving production efficiency and product quality [4] Group 3: Artificial Intelligence and Smart Technologies - The application of artificial intelligence in automotive power systems is accelerating, transitioning from traditional electromechanical control to full-link intelligent control [4] - AI algorithms enable millisecond-level torque distribution, enhancing stability under extreme conditions, while intelligent thermal management systems optimize energy distribution [4] Group 4: Future Trends in Power Systems - The automotive power system is expected to undergo systemic reconstruction, focusing on control separation and soft-hard decoupling, enhancing user experience and R&D efficiency [9][10] - The shift from mechanical to intelligent electric drive is making power enhancement more cost-effective, allowing luxury car acceleration experiences to be available in mass-market models [9] - The integration of power systems and chassis is anticipated to improve vehicle space utilization and overall performance [10][11]