Patent classifications
B60W2510/1025
CONTINUOUSLY VARIABLE TRANSMISSIONS, SYNCHRONOUS SHIFTING, TWIN COUNTERSHAFTS AND METHODS FOR CONTROL OF SAME
Systems and methods for controlling transmissions having CVTs are disclosed with multiple modes and gearing arrangements for range enhancements, where embodiments include synchronous shifting to allow the transmission to achieve a continuous range of transmission ratios, while minimizing empty cycling of the CVT during mode shifts. Embodiments provide for wide ratio range and performance and efficiency flexibility, while maximizing CVT usage through synchronous shifting.
Dual motor electric driveline
Methods and sysemteds for a driveline, comprising: a transmission having an input and an output, a power take-off (PTO), a first electric motor drivingly engaged or selectively drivingly engaged with the input of the transmission, a second electric motor, a first clutching device, and a second clutching device, wherein the second electric motor is selectively drivingly engaged with the input of the transmission through the first clutching device, and wherein the second electric motor is selectively drivingly engaged with the PTO through the second clutching device. The present document further relates to a vehicle including said dual motor electric driveline, and to a method of controlling said dual motor electric driveline.
Ground Vehicle Control Techniques
Ground vehicle control techniques adapted to reduce energy consumption, braking, shifting, travel distance, travel time, and or the like. The techniques can generate a target speed window and a target vehicle performance plan for controlling operation of a ground vehicle along a current and one or more upcoming segments of a roadway responsive to the dynamic driving environment.
Bicycle electric system
A bicycle electric system comprises a first electric component, a second electric component, and a second controller. The first electric component includes a first controller and a sensor. The first controller is configured to control an operating status of the first electric component based on an output of the sensor. The second electric component is different from the first electric component. At least one of the first electric component and the second electric component includes an electric suspension. The second controller is configured to control an operating status of the second electric component based on the output of the sensor of the first electric component.
Damage protection for multi-function axle
A method of protecting a multi-function drive axle system from damage, comprising the steps of: determining the axle torque and speed from sensors positioned on the multi-function drive axle system; using the axle torque and speed to approximate damage values for the driveline of the multi-function drive axle system; comparing the approximated values of driveline damage with driveline damage durability targets; identifying if the approximated values of driveline damage exceed the driveline damage durability targets; and limiting the engine torque and/or speed to produce an axle torque and speed corresponding to driveline damage values that do not exceed the driveline damage durability targets.
Automobile and control method for automobile
An electronic control unit controls a motor so that a torque applied to an input shaft does not exceed an upper limit torque. The electronic control unit sets so as to restrict the upper limit torque from a first torque to a second torque smaller than the first torque, and then return the upper limit torque to the first torque more gradually when a first condition that a driver is assumed to have felt a decrease in driving force output to driving wheels is met before the upper limit torque is returned than when the first condition is not met.
Shift control system for vehicle
A shift control system includes a controller that controls a transmission and a hydraulic controller. During an inertia phase where an input speed of the transmission changes toward a synchronous speed in a gear stage after a shift, the controller sets an oil pressure of a specific frictional engagement of a plurality of frictional engagement devices to an oil pressure that, at a time of the shift, exceeds a first oil pressure to set a transmission torque capacity equal to a first drive torque applied to the specific frictional engagement device of a drive torque outputted from a prime mover, but is less than a second oil pressure to set a transmission torque capacity equal to a second drive torque which is the first drive torque to which has been added an inertia torque generated by inertia on a prime mover side accompanying a change in speed ratio.
Automobile equipped with three-phase motor
With a motor in rotation, 0 is set as each of a d-axis current command and a q-axis current command, and offset learning is carried out. Then, in carrying out offset learning, a transmission is controlled such that a shift stage of the transmission falls within a low vehicle speed-side predetermined shift stage range. Thus, the rotational speed of the motor can be more reliably made high to a certain extent, and offset learning can be carried out. As a result, the accuracy of offset learning can be restrained from decreasing.
Creep torque feedback to improve controllably maneuvering a vehicle
Systems and methods are provided for adjusting the creep torque to maneuver a vehicle to a target location. In various embodiments, the creep torque adjustment mode is deactivated when the driver changes the direction of travel. The change in direction also causes the parameters of the creep torque control to be reinitiated to their initial values. In various embodiments, the creep torque mode is increased from a low creep towards a target creep. If the driver engages the brakes, the input torque is set to zero, and when the driver releases the brake, the minimum creep torque is set to the value that creep torque had risen to just before the brake was applied. This allows the driver to control the acceleration and speed, by just braking. In various embodiments, the creep control controls reverse creep to aid in hooking up a vehicle to a trailer.
Hybrid vehicle control device
An FF hybrid vehicle control device having an HEV mode and an EV mode as drive modes is provided with a CVT control unit (84) for determining primary pulley pressure (Ppri) and secondary pulley pressure (Psec) with which a belt (6c) of a belt-type continuously variable transmission (6) will be clamped on the basis of a torque component inputted to the belt-type continuously variable transmission (6) during brake deceleration, and the corrected amount of brake torque which is an inertia torque correction component. The CVT control unit (84) reduces the corrected amount of brake torque during brake deceleration when EV mode is selected to be less than the corrected amount of brake torque during brake deceleration when HEV mode is selected.