powertrain

简明释义

英[ˈpaʊətreɪn]美[ˈpaʊərtreɪn]

n. 动力系统；传动系统

英英释义

单词用法

同义词

反义词

例句

1.Precise dynamic model of engine is the foundation of making shift schedule and realizing optimal match of vehicle powertrain.

精确的发动机动态模型是制定换挡规律并实现车辆动力传动系统最佳匹配的基础。

2.Beetles of that era came in two body styles — hard-top and cabriolet — and with one powertrain option: air-cooled, rear-engine, three-speed manual transmission.

那个时代的甲壳虫有硬顶式和敞篷式两种车身造型，不过动力系统却没得选，只有一款风冷后驱发动机，搭配三速手动变速箱。

3.The intelligence node has been applied in powertrain controller of hybrid electrical vehicle and meets the need of powertrain controller.

该智能节点已应用在混合动力汽车总成控制器中，满足了总成控制需要。

4.Electrical signals are sent to the hydraulic valves by the microcomputer when a gear change is required by the powertrain control strategy.

当按照动力装置控制方案要求换挡时，电信号由微计算机送到液压阀。

5.The powertrain control system of a hybrid electric vehicle (HEV) is developed, which can achieve energy management and state switching control.

开发了一种并联式HEV的动力总成控制系统，可实现HEV能量管理和状态切换控制。

6.Its muscular looks, retro cockpit design and potent powertrain options convincingly recreate the muscle and attitude of the original models.

该车炫目的外观，复古的驾驶室设计以及独特的传动系统，重塑了强大的影响力和新颖的理念。

7.The new electric vehicle features an advanced powertrain that enhances efficiency.

这款新电动车配备了一种先进的动力系统，提高了效率。

8.Engineers are testing the powertrain to ensure it meets safety regulations.

工程师正在测试动力系统以确保其符合安全标准。

9.Upgrading the powertrain can significantly improve a vehicle's acceleration.

升级动力系统可以显著提高车辆的加速性能。

10.The hybrid powertrain combines both electric and gasoline engines for better performance.

这款混合动力动力系统结合了电动和汽油发动机，以获得更好的性能。

11.Manufacturers are focusing on lighter materials for the powertrain to reduce weight.

制造商正专注于为动力系统使用更轻的材料以减轻重量。

作文

The term powertrain refers to the components in a vehicle that generate power and deliver it to the road. Understanding the powertrain is essential for anyone interested in automotive engineering or simply for car enthusiasts who want to know how their vehicles operate. A typical powertrain consists of the engine, transmission, driveshafts, differentials, and the final drive. Each component plays a crucial role in ensuring that the vehicle functions smoothly and efficiently.The engine is the heart of the powertrain. It converts fuel into mechanical energy, which powers the vehicle. Engines can be classified into different types, such as internal combustion engines, electric motors, and hybrid systems that combine both. The choice of engine significantly impacts the performance, efficiency, and emissions of the vehicle. For instance, electric vehicles (EVs) utilize electric motors as their powertrain, offering instant torque and zero tailpipe emissions, making them an attractive option for environmentally conscious consumers.Next in line is the transmission, which is responsible for transferring the engine's power to the wheels. There are several types of transmissions, including manual, automatic, and continuously variable transmissions (CVTs). Each type has its advantages and disadvantages, affecting the driving experience and fuel efficiency. An efficient powertrain design ensures that the vehicle can accelerate smoothly and maintain speed without excessive fuel consumption.After the transmission, the driveshafts play a vital role in transmitting power from the transmission to the wheels. In all-wheel-drive and four-wheel-drive vehicles, multiple driveshafts may be present to distribute power evenly among all wheels, enhancing traction and stability. This is particularly important in off-road situations where grip is essential for maneuverability.The differential is another critical component of the powertrain. It allows the wheels to rotate at different speeds, which is necessary when turning corners. Without a differential, the wheels on the outside of a turn would have to travel farther than those on the inside, leading to tire wear and poor handling. Modern vehicles often employ advanced differential systems, such as limited-slip differentials or electronically controlled differentials, to optimize performance and handling.Lastly, the final drive connects the differential to the wheels, completing the powertrain system. It typically includes gears that help adjust the torque and speed delivered to the wheels, influencing acceleration and top speed. The overall design of the powertrain affects not only the performance of the vehicle but also its fuel economy and emissions.In conclusion, the powertrain is a complex yet fascinating system that is integral to a vehicle's operation. Understanding how each component works together helps us appreciate the engineering behind modern automobiles. As technology advances, we see innovations in powertrain design, such as the rise of electric vehicles and hybrid systems, which promise to reshape the automotive landscape. Whether you are a budding engineer or a car lover, gaining knowledge about the powertrain will enhance your understanding of how vehicles work and the future of transportation.

“动力系统”一词指的是车辆中产生动力并将其传递到道路上的组件。理解“动力系统”对任何对汽车工程感兴趣的人或简单地对想了解他们的车辆如何运作的汽车爱好者来说都是至关重要的。典型的“动力系统”由发动机、变速器、传动轴、差速器和最终驱动组成。每个组件在确保车辆平稳高效运行方面都发挥着至关重要的作用。发动机是“动力系统”的核心。它将燃料转化为机械能，从而为车辆提供动力。发动机可以分为不同类型，如内燃机、电动机以及结合两者的混合动力系统。发动机的选择显著影响车辆的性能、效率和排放。例如，电动汽车（EV）利用电动机作为其“动力系统”，提供瞬时扭矩和零尾气排放，使其成为环保消费者的理想选择。接下来是变速器，它负责将发动机的动力传递到车轮。有几种类型的变速器，包括手动、自动和无级变速器（CVT）。每种类型都有其优缺点，影响驾驶体验和燃油效率。高效的“动力系统”设计确保车辆能够平稳加速并保持速度，而不会消耗过多燃料。变速器之后，传动轴在将动力从变速器传递到车轮的过程中发挥着重要作用。在全轮驱动和四轮驱动的车辆中，可能会存在多个传动轴，以均匀分配所有车轮的动力，从而增强牵引力和稳定性。这在越野情况下尤为重要，因为抓地力对于操控性至关重要。差速器是“动力系统”的另一个关键组件。它允许车轮以不同的速度旋转，这在转弯时是必要的。如果没有差速器，转弯外侧的车轮将不得不比内侧车轮行驶更远，导致轮胎磨损和操控不良。现代车辆通常采用先进的差速器系统，如限滑差速器或电子控制差速器，以优化性能和操控。最后，最终驱动将差速器连接到车轮，完成“动力系统”系统。它通常包括帮助调整传递到车轮的扭矩和速度的齿轮，从而影响加速和最高速度。“动力系统”的整体设计不仅影响车辆的性能，还影响其燃油经济性和排放。总之，“动力系统”是一个复杂而迷人的系统，对车辆的运行至关重要。了解每个组件如何协同工作有助于我们欣赏现代汽车背后的工程技术。随着技术的进步，我们看到“动力系统”设计中的创新，例如电动车和混合动力系统的兴起，承诺重塑汽车行业的未来。无论你是一个新兴工程师还是一个汽车爱好者，了解“动力系统”将增强你对车辆如何工作及交通运输未来的理解。