The newly developed assessment procedure considers the multidisciplinary effects on vehicle fuel consumption and thus allows an objective quantification of the impact of different steering systems on fuel consumption in customer-relevant driving conditions. The energy-related analysis and comparison of steering systems is based on driving cycles which comprise different customer-relevant driving manoeuvres. The prerequisites are identical general conditions, e. g. driver input, vehicle parameters, and road conditions. Hardware-in-the-Loop simulation is used for an accurate reproduction of the input parameters. The results refer to steering systems with hydraulic functional principle and electromechanical functional principle as well as to hydraulic power-on-demand steering systems. The potential for improvement of a conventional hydraulic steering system in connection with a pump with adjustable flow rate is investigated experimentally.
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The newly developed assessment procedure considers the multidisciplinary effects on vehicle fuel consumption and thus allows an objective quantification of the impact of different steering systems on fuel consumption in customer-relevant driving conditions. The energy-related analysis and comparison of steering systems is based on driving cycles which comprise different customer-relevant driving manoeuvres. The prerequisites are identical general conditions, e. g. driver input, vehicle parameter...
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