A method for controlling an induction machine includes: determining a forward path voltage signal based on a command current and using a first set of gain factors; determining an estimated slip speed; determining a feedback path voltage signal based on a measured motor current and using a second…
A method for controlling a motor drive with passive damping includes: shorting a set of windings of a motor to define a shorted set of windings; determining a short circuit current in the shorted set of windings; and commanding, based on an initial torque command and based on the short circuit…
A method for performing roadwheel actuator (RWA) diagnosis to determine a RWA control capability status of a vehicle includes, using one or more processors, determining an expected cornering state of the vehicle by determining at least one of an expected yaw rate and an expected lateral…
A method for controlling a position of a steering wheel of a vehicle includes obtaining vehicle path data indicating a path of the vehicle, obtaining road condition data for roadways along the path of the vehicle, determining, based on the road condition data, whether hazardous road conditions are…
A steering linkage assembly includes a steering linkage that is operatively connectable to a pair of road wheels. The steering linkage assembly also includes a housing defining a sealed compartment containing at least a portion of the steering linkage. The steering linkage assembly further includes…
A number of variations may include a method that may include modifying, in real-time, at least one brake or powertrain torque or force to one or more roadwheels of a vehicle to increase lateral stability during Brake-to-Steer functionality.
A steering column assembly includes a steering wheel having a steering wheel rim, a steering wheel hub, and a rim extension segment. The steering column assembly also includes a motor operatively coupled to the rim extension segment. The steering column assembly further includes a jacket assembly…
Disclosed is a number of variations that may include a method, system, or computer product useful in determining an intended yaw or yaw rate that a driver desires using a model, comparing the yaw or yaw rate with the actual vehicle yaw or yaw rate to determining a yaw error or yaw rate error, using…
A number of variations are disclosed including a system and method for modifying, in real-time, at least one brake or powertrain application to individual roadwheels of a vehicle to increase lateral maneuver capability in a vehicle having an operational, partially operational, failing, or failed…
A number of variations are disclosed including a system and method for modifying, in real-time, at least one brake or powertrain application to individual roadwheels of a vehicle to increase lateral maneuver capability in a vehicle having an operational, partially operational, failing, or failed…
A number of variations are disclosed including a system and method for modifying, in real-time, at least one brake or powertrain application to individual roadwheels of a vehicle to increase lateral maneuver capability in a vehicle having an operational, partially operational, failing, or failed…
A method for controlling an actuator in a domain controller architecture in a vehicle includes receiving, at a domain controller, data related to operation of the actuator. The data includes information indicative of outputs of an actuator controller configured to control the actuator. The domain…
Disclosed is a method, product, and system including the use of or using differential braking to determine a surface type or friction level under a road wheel of a vehicle and communicating the determined surface type or friction level under the road when to another system or component of the…
A method for controlling a motor drive with passive damping includes: shorting a set of windings of a motor to define a shorted set of windings; determining a short circuit current in the shorted set of windings; determining, based on the short circuit current in the shorted set of windings, a…
A number of variations are disclosed including a computer program product and method of modifying brake-to-steer brake pressure commands, based on brake temperature, in real time as well as to create temperature dependent powertrain control and temperature dependent brake cooling.
A number of variations are disclosed including a system and method including modifying motion controller actuator commands in real-time based on calculated offset induced when a vehicle exceeds acceleration and rotational limits of a vehicle when experiencing crosswind or other environmental forces.
A number of variations may include a method or system using human driving characteristics in autonomous vehicle driving method or system.
A number of illustrative variations may include a system including brake-to-steer algorithms may achieve lateral control of a vehicle without longitudinal compensation but may also force a vehicle to slow down too rapidly before appropriate lateral movement can be achieved and may deliver an…
A number of variations may include a system, method, a non-transitory computer readable medium having instructions thereon executable by an electronic processor to implement functionality comprising enhancing the curvature capability of a tertiary rack and pinion actuator by using brake-to-steer…
Disclosed is a method using a brake-to-steer model predictive control to providing a limited level of lateral control for self-driving or semi-self-driving vehicles, when a component of a vehicle steering system fails or is failing.
A system for controlling an end-of-travel of a handwheel is disclosed. The system comprises: a processor; and a memory that includes instructions that, when executed by the processor, cause the processor to: receive sensor data from at least one sensor associated with a roadwheel actuator of a…
A number of variations may include a system or method of monitoring vehicle control actions and communicating upcoming control actions, such as deceleration or lateral movement, to vehicle occupants prior to occurrence of the control action such that occupants are aware of upcoming vehicle control…