In automated manual transmissions, electromechanical or hydraulic actuators take over the clutch and shift actions. In either case, individual driving pleasure is not diminished because drivers can decide whether they want to use the automatic mode or shift manually using switches or levers. With their optimized shift strategies, automated manual transmissions reduce torque interruption to a minimum. Sensors register and convey all the relevant information to the control system. Using this data, the system calculates the shift points and controls the shift and clutch processes automatically. The technology even intervenes in driving operations to improve safety – such as automatically interrupting the torque flow briefly to counter the risk of skidding. Automation components can also be used in start-stop as well as hybrid applications. Buyers of standard cars are already enjoying greater comfort thanks to ZF components for automated manual transmissions.
To best meet demands on the part of drivers, the automobile industry, and legislators for lower fuel consumption and emissions, it is essential to raise the level of efficiency in the powertrain. ZF provides the overall system with actuators, TCU, software and shifters from a single source, and can thus assume leadership of the system development process. Complete expertise with the system and its interfaces means that the individual actuation components can be adapted optimally to vehicle designs.
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