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UD Active Steering features an electric motor mounted above the hydraulic steering gear to provide additional torque when necessary.
UD Active Steering features an electric motor mounted above the hydraulic steering gear to provide additional torque when necessary. The electronic control unit (ECU) mounted on the electric motor receives input 2,000 times per second from sensors throughout the truck, monitoring the driving environment and the driver's own actions. This system control adds appropriate torque to the weight of the steering wheel, providing precise and stable steering irrespective of speed, cargo, and road conditions. The ease and precision of steering helps reduce driver fatigue and make roads safer.
UD Trucks conducted independent tests to measure and compare driver fatigue between trucks equipped with and without UD Active Steering. An electroencephalograph (EEG) was used to measure the level of driver concentration and stress, while an electromyogram (EMG) was used to measure the amount of muscle exertion.
Results showed that subjects driving trucks equipped with UD Active Steering had lower levels of stress and reduced levels of excessive concentration. Subjects also recorded lower levels of muscle exertion in their arms with UD Active Steering, especially when parking and driving on irregular surfaces.
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