Patent classifications
B60L15/2009
VEHICLE AND VEHICLE CONTROL METHOD
A vehicle includes a regenerative braking device provided on regenerative braking wheels, which are any ones of front wheels and rear wheels, a frictional braking device configured to separately control a frictional braking force applied to each of the front wheels and the rear wheels, and an electronic control unit is configured to, upon detecting a slip state where a wheel speed of the regenerative braking wheels executing regenerative braking is below a slip determination threshold value positioned between a vehicle body speed and an anti-lock brake control operation threshold value, execute a regenerative control process for controlling the regenerative braking device such that the regenerative braking device generates a regenerative braking force that decreases a difference between the wheel speed and the slip determination threshold value.
Electric brake system and controlling method thereof
Disclosed herein is an electric brake system including: a hydraulic feeder configured to move a piston forward or backward according to a pedal effort from a brake pedal to discharge oil; a motor position sensor configured to measure a position of the piston; and a controller configured to control, when an Anti-lock Brake System (ABS) control starts, a change in direction of the piston based on predicted displacement information of the piston while the ABS control is performed such that the piston is at a target position at target vehicle speed.
Auxiliary power output for battery management system
A utility cart includes a stored energy device that can be in the form of a Lithium Ion battery pack. The battery pack can include a main power output useful to drive high voltage components as well as the electric motor for motive power. The battery pack can also include one or more auxiliary outputs useful to provide auxiliary power to various other components. The auxiliary outputs can be either low and/or high voltage outputs. An auxiliary DC/DC output can be used to step down high voltage of the Lithium ion battery pack to lower voltages. A motor controller supply can also be provided as an auxiliary output to provide some power to a motor controller.
Electric Vehicle Control Device, Electric Vehicle Control Method, And Electric Vehicle Control System
An electric vehicle control device, an electric vehicle control method, and an electric vehicle control system according to one embodiment of the present invention are configured to: obtain, based on operation information on release of an accelerator pedal of a vehicle and turn information on a turn of the vehicle, change rate information on a temporal change amount of a regenerative braking force with respect to an operation amount of the accelerator pedal; and output a regenerative braking control command for applying the regenerative braking force to a wheel based on the change rate information.
BRAKING CONTROL DEVICE
A control device includes: a first braking unit, that applies a first braking force to a steering wheel of a vehicle; a second braking unit, that applies a second braking force to a non-steering wheel of the vehicle; and a control device that controls the first braking unit, and the second braking unit, according to a target braking force, where the control device includes a steering angle information acquiring unit that acquires a steering angle-related value related to a steering angle of the steering wheel, and a distribution changing unit that executes a distribution change control of changing a braking force distribution between the first braking force and the second braking force based on the steering angle-related value when the target braking force is applied.
CONTROL APPARATUS FOR VEHICLE
A control apparatus for a vehicle includes an offset torque calculator configured to perform calculation of offset torque to be applied to at least one wheel of the vehicle. The offset torque is required to stop the vehicle on a sloping road having a predetermined gradient. The control apparatus includes a motor controller configured to, for stopping the vehicle on the sloping road having the predetermined gradient, perform control of causing output torque of the motor-generator to asymptotically approach the offset torque.
Method for distributing a braking torque, requested by a driver, over the axles of a motor vehicle
A method for distributing a braking torque requested by a driver over the axles of a motor vehicle. The wheels of the first axle are associated with a first friction brake device and a first electrical machine having a first efficiency and the wheels of the second axle are associated with a second friction brake device and a second electrical machine having a second efficiency, in which, according to the method, the allocation of the requested braking torque over the first and/or second axle and the determination of the components of the recuperation torques to be provided by the first and/or second electrical machine of the requested braking torque is carried out taking into consideration the current driving stability of the motor vehicle.
CART
A cart may include: a driving wheel; a motor configured to rotate the driving wheel; a motor drive circuit configured to control electric power supply to the motor; a motor control device configured to control the motor via the motor drive circuit; a switching element arranged on an electric power supply path to the motor drive circuit; a switch circuit arranged separately from the motor control device and configured to switch the switching element between a conduction state and a non-conduction state; and an operation member arranged on the cart and configured to be operated by a user. The cart may operate in a manual mode in which the motor is driven when the operation member is on and the motor is stopped when the operation member is off, and in an automatic mode in which the motor is driven regardless of whether the operation member is on or off.
CART
A cart may include: a driving wheel; a motor configured to rotate the driving wheel; a motor drive circuit configured to drive the motor; a motor brake circuit configured to electrically brake the motor; a rotation speed sensor configured to detect a rotation speed of the motor; and a control device configured to control the motor via the motor drive circuit and the motor brake circuit based on a target rotation speed of the motor and the rotation speed detected by the rotation speed sensor. The motor brake circuit may include an electronically variable resistance element configured to operate in a linear mode and a switching mode in response to a control input signal. The motor brake circuit may be configured to operate. the electronically variable resistance element in the linear mode when braking the motor.
CART
A cart may include a driving wheel, a motor configured to rotate the driving wheel, a motor drive circuit configured to drive the motor, a motor brake circuit configured to electrically brake the motor, a control device configured to control the motor via the motor drive circuit and the motor brake circuit so that a travelling speed of the cart becomes equal to or lower than an upper limit travelling speed, and a temperature sensor configured to detect a temperature of the motor brake circuit. The control device may be configured to change the upper limit travelling speed to a second upper limit travelling speed lower than the first upper limit travelling speed when the upper limit travelling speed is a first upper limit travelling speed and the temperature detected by the temperature sensor exceeds a first predetermined temperature.