V2EX powertrain

Powertrain

释义 Definition

动力总成 / 动力传动系统:车辆中把发动机/电机产生的动力传递到车轮(或履带)并实现驱动的核心系统,通常包括发动机/电机、变速箱、传动轴、差速器、驱动桥等(不同车型构成略有差异)。也可泛指与“驱动与传动”相关的一整套硬件与控制系统。

发音 Pronunciation (IPA)

/partren/

例句 Examples

The new model has a smoother powertrain.
新款车型的动力总成更平顺。

Engineers optimized the hybrid powertrain to improve efficiency without sacrificing performance.
工程师优化了混合动力动力总成,在不牺牲性能的前提下提升了效率。

词源 Etymology

powertrain 为复合词:power(动力、功率)+ train(在工程语境中指“一串相互啮合/联接的机构”,如 gear train 齿轮系)。合起来表示“把动力按顺序传递的一整套机构/系统”,后在汽车工业中固定为“动力总成/传动系统”。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • Bosch Automotive Handbook(《博世汽车手册》):在车辆系统章节中频繁使用 powertrain 讨论发动机、传动与控制系统。
  • Fundamentals of Vehicle Dynamics(Thomas D. Gillespie):涉及车辆动力学建模时会引用动力总成/传动系统(powertrain)相关概念。
  • SAE(Society of Automotive Engineers)技术论文与标准文档:大量以 powertrain 指代动力总成架构、效率、NVH(噪声振动声振粗糙度)与控制策略。
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