The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 2020
Filed:
Apr. 26, 2017
Trw Limited, Solihull West Midlands, GB;
Kevin Cockerham, Sutton Coldfield, GB;
TRW Limited, Solihull, West Midlands, GB;
Abstract
A vehicle kinematic control circuit for a vehicle adjusts the track of one or more rear wheels of the vehicle through a limited angular range, using an electric motor, connected mechanically to at least one rear wheel. The motor has at least two independently operable sets of phase windings, each set comprising at least two phase windings, each set connected to a motor bridge, controlled by a microcontroller. In normal use the microcontroller generates motor control signals that apply appropriate PWM modulated voltage waveforms to the set of phase windings connected to that bridge to drive the rotor of the motor in a first manner thereby to actively steer the rear wheel. A fault detection circuit monitors the operation of the one microcontroller, the motor bridge driver circuit, and the two sets of phase windings, to detect a fault condition, and in the event of a fault condition being detected causes one of the non-faulty motor bridges and an associated non-faulty set of phase windings to be operated to drive the rotor of the motor in a second, different manner.