Disturbance compensation with a torque controllable steering system
Via a conventional steering system the driver perceives desired and disturbing effects such as road feedback and resonance effects, respectively. They appear with overlapping frequency spectra within the driver's steering torque. This paper introduces a control algorithm that is suppressing periodic disturbances without affecting useful steering road feedback attributes as well as regular power assistance characteristic. This is realised by an integrated torque actuator within the steering column in conjunction with a conventional Hydraulic-assisted Power Steering (HPS) system.
Keywords: Mass imbalance; Periodic disturbances; Power assistance; Road feedback; Road irregularities; Shimmy; Steering torque
Document Type: Research Article
Affiliations: 1: Predevelopment Projects Steering Systems, Center for Innovation and R&D, Knorrstraße 147, 80788, München, Germany 2: BMW AG, Predevelopment Projects Steering Systems, Center for Innovation and R&D, Germany 3: Department of Automation Technology, University Duisburg-Essen, Germany
Publication date: 01 April 2006
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