
If you think seeing the new Jaguar models, the New XKR and XFR, were enough then try getting into detail with the features that they carry. At the heart of Jaguar’s ADC system is GKN Driveline’s ETM electronic limited slip differential (eLSD).
The ETM is a rear axle differential with an integrated active coupling that provides unsurpassed vehicle traction and stability through high speed optimal torque allocation to the powered wheels. Its integrated electronically controlled direct actuation makes it a highly suited module for improving dynamic performance in sports cars such as the new XKR and XFR.
Keys to the ETM’s performance are:
- Smooth and immediate engagement (mechanically pre-emptive)
- High control accuracy
- Exceptional release response time, all of which are ensured by the ETM’s “smart” actuator
An electronic control unit with GKN’s proprietary IPM software constantly monitors torque requirements and manages an electric motor that directly rotates the cam gear of a unidirectional ball-ramp mechanism. The rotational torque causes the balls to roll up the opposing ramps, which pushes the front cam forward and activates the clutch. Without intervention from the driver, the system continuously adapts to both the driver’s demands and the amount of grip available at each individual wheel.
(Source) Press
Tags: coupling, dynamic performance, etm, gkn driveline, jaguar models, limited slip differential, ramps, rear axle, Sports Cars, torque requirements, XKR
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