Integration of stop-start and active front-wheel steering
2016
A vehicle includes an internal combustion engine, which is designed to automatically stop and to automatically start. The vehicle includes an active front wheel steering system having an electric actuator. A controller operates the electric actuator during an engine auto-stop event with a current limit value that is smaller than a required current of the electric actuator in response to a request to change a steering ratio by an amount which results in that the requested power is greater than the current threshold. The current limit value can decrease in the engine auto-stop event from the requested current to a predetermined limit value after the transition. The current limit may be increased after the transition from the engine auto-stop event from the predetermined limit to the requested power.
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