TRW has recently launched an electrically powered, computer-controlled enhancement to commercial vehicle steering systems. ColumnDrive, the new component, precisely controls torque feedback to the driver, resulting in a synthetic or artificial steering feel. Synthetic torque feedback is most effective at masking non-linearities in the steering system that degrade the on-centre lane-keeping properties of the vehicle, as well as providing an unprecedented level of speed proportionality so that parking efforts can be optimized independently of on-centre stability. The new ColumnDrive and existing electrical powersteering control architectures are compared, and actual vehicle performance data are presented.
Synthetic torque feedback to Improve heavy vehicle drivability
2009
11 Seiten, 16 Bilder, 19 Quellen
Article (Journal)
English
Synthetic torque feedback to improve heavy vehicle drivability
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