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Design of clutch-less multi-speed electric drive units

With torque interrupting shift.

With the increasing demand for electric powertrains across the automotive sector, there is a growing need to reduce their size, weight and cost, whilst improving efficiency. In many applications this is driving continued interest in the benefits of developing multi-speed electric powertrains.

With a multi-speed system an important requirement decision is between whether to permit a torque-interrupt during gear shift or to require power-shifting. Whether the torque-interrupting shift is acceptable for the end customer depends on the application, the cost target, and the relevant performance targets. In this webinar we discuss systems that allow torque interruption.

In this webinar, we will discuss how a system without a clutch between the prime mover electric machine and a multi-speed transmission with torque interrupting shifting can help meet all these requirements compared to single speed and other multi-speed configurations. We will look at some of the key design challenges and how these can be addressed through the mechanical, electrical, and control systems design, as well as overall architecture & systems engineering, to produce a highly efficient, cost effective, and power dense electric powertrain.

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Our Privacy Notice describes how we process Personal Data about you. It also provides information on how you may exercise any of your rights as a Data Subject. You have the right to withdraw your consent at any time by clicking on the "Unsubscribe" link within the electronic marketing communications sent to you. By submitting this form, you agree to our Terms of Use.

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