Fluid-pressure and analogous brake systems – Speed-controlled – With yaw control
Reexamination Certificate
2008-01-15
2008-01-15
King, Bradley (Department: 3683)
Fluid-pressure and analogous brake systems
Speed-controlled
With yaw control
C303S191000, C701S041000
Reexamination Certificate
active
11127393
ABSTRACT:
A turn control system is provided having four wheels and a steering wheel that controls the vehicle steering. A steering wheel angle sensor senses an angle of rotation of the steering wheel. An acceleration sensing device senses an acceleration demand. A wheel speed sensing device senses a wheel speed for each of the four wheels. A turn control activation switch enables the turn control system and shifts a vehicle transmission to one of a low or reverse operating gear. A brake control module calculates a target vehicle speed, a vehicle turning geometry, and target wheel speeds. A braking torque command signal is generated for modulating the brake torque. An engine torque command signal is generated for modulating an engine torque for producing the target vehicle speed. A respective additional braking torque is applied to at least one of the wheels for reducing the vehicle turning radius while maintaining the vehicle target speed.
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Lubischer Frank
Schieb Eric
Sun Qiong
Weber David W.
Kelsey-Hayes Company
King Bradley
MacMillan Sobanski & Todd LLC
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