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Chassis Control System Combines Comfort and Stability in Electric Buses

  • 01-06-2022
  • Development
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Excerpt

The article explores the challenges of electric buses with roof-mounted batteries, particularly the high center of gravity that affects driving dynamics. ZF's Continuous Damping Control (CDC) system is introduced as a solution that combines comfort and stability. The CDC system adapts damping forces within milliseconds, using an electronically controlled damper valve and a modular sensor set. The skyhook principle, traditionally used in passenger cars, is applied for the first time in commercial vehicles, significantly reducing body movements and enhancing driving comfort. The integrated sensor concept in the ECU simplifies vehicle integration and reduces system complexity. The CDC system is modular and scalable, with optional control functions that anticipate vehicle reactions. Successful tests with prototypes indicate a significant increase in comfort without compromising stability, with plans for volume production by 2026.

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Title
Chassis Control System Combines Comfort and Stability in Electric Buses
Authors
Georg Memmel
Alfred Memmel
Publication date
01-06-2022
Publisher
Springer Fachmedien Wiesbaden
Published in
ATZheavy duty worldwide / Issue 2/2022
Electronic ISSN: 2524-8774
DOI
https://doi.org/10.1007/s41321-022-0483-1
    Image Credits
    AVL List GmbH/© AVL List GmbH, dSpace, BorgWarner, Smalley, FEV, Xometry Europe GmbH/© Xometry Europe GmbH, The MathWorks Deutschland GmbH/© The MathWorks Deutschland GmbH, IPG Automotive GmbH/© IPG Automotive GmbH, HORIBA/© HORIBA, Outokumpu/© Outokumpu, Hioko/© Hioko, Head acoustics GmbH/© Head acoustics GmbH, Gentex GmbH/© Gentex GmbH, Ansys, Yokogawa GmbH/© Yokogawa GmbH, Softing Automotive Electronics GmbH/© Softing Automotive Electronics GmbH, measX GmbH & Co. KG