ZF
ZF introduces intelligent software solutions for safer and more connected commercial vehicles

ZF highlights software integrations for chassis, battery technologies

Aug. 7, 2024
Software solutions developed by ZF can help to optimize EV range, traction control, and regenerative braking utility.

ZF highlighted uses for its software to develop smarter, more connected, and more efficient commercial vehicle technologies.

The company says that, by integrating ZF’s software solutions with its chassis technologies, vehicle performance and safety can be improved. It is also able to leverage its software domain expertise from other vehicle segments within the ZF Group to produce intelligent systems that can lower the overall total cost of ownership.

ZF says its software solutions can help to optimize EV range, traction control, and more.

Braking and e-Drive Synergy Program

Harnessing the energy created when a vehicle decelerates to recharge onboard batteries can effectively extend the range of an electric vehicle or reduce the size of the batteries needed.

See also: Regenerative braking captures energy, TCO benefits

ZF says that its Braking and e-Drive Synergy Program harmonizes the electric driveline and braking functions to optimize recuperation under full stability control, beyond current standards, boosting efficiency, safety, and comfort while reducing the total cost of ownership.  

The system works by combining ZF’s next-generation e-drives, the AxTrax 2 dual and CeTrax 2 dual, with its mBSP XBS advanced braking system to leverage the capabilities of the e-drive to act as an actuator for the braking system and vice versa, in controlling acceleration and braking. In doing so, the system maximizes energy recuperation to recharge the onboard batteries during driving, extending the vehicle’s range. The system provides "one-pedal-drive" functionality, improving driving comfort, especially in low-speed maneuvering such as for yard vehicle applications or urban driving. 

The system also offers improved launch capabilities by optimizing the traction control function, reducing tire wear and improving vehicle performance and stability on slippery ground.

See also: ZF drives commercial vehicle innovation to shape the future of transportation

Software brake resistor

ZF has developed a software solution that helps replace hardware in the form of brake resistors for battery electric vehicles. The new software function can limit the maximum energy content of the battery in certain charging situations, ensuring extra energy created by regenerative braking can then be stored in the vehicle’s batteries. The system uses location data to determine if it is being charged in an area where it is likely to descend a steep gradient, which could create additional battery charge in the early part of its journey. If so, it ensures the battery saves capacity during charging for energy harvesting. The algorithm ensures that 100% charge will be reached on its descent.

In all other areas, the system allows the battery to be fully charged when plugged in. Thanks to this innovation, bulky, heavy, and expensive brake resistors are no longer needed while energy efficiency is maximized, and all energy is available for propulsion. The solution saves approximately 150kg of weight and increases available space within the chassis. The system demonstrates how an intelligent server-cloud-based function can save cost and weight while improving efficiency and sustainability. 

About the Author

FleetOwner Staff

Our Editorial Team

Kevin Jones, Editorial Director, Commercial Vehicle Group

Josh Fisher, Editor-in-Chief

Jade Brasher, Senior Editor

Jeremy Wolfe, Editor

Jenna Hume, Digital Editor

Eric Van Egeren, Art Director

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