B60L2240/486

CONTROL DEVICE AND CONTROL METHOD FOR VEHICLE
20170274902 · 2017-09-28 · ·

A control device for a vehicle includes a fuel cell, a motor-generator, a power unit, a transmission, a motor-generator control unit configured to perform a power control on the motor-generator based on a driver request torque, and a generated power control unit configured to control the generated power of the fuel cell based on a load of the fuel cell including the motor-generator. The motor-generator control unit performs a shifting power control for decreasing a rotation speed of the motor-generator during an upshift of the transmission, and a power control on the motor-generator based on a limit torque of the motor-generator during the shifting power control. The limit torque of the motor-generator being calculated based on an actual generated power of the fuel cell per unit time and an acceptable power of the power unit per unit time.

BICYCLE CONTROLLER AND BICYCLE DRIVE DEVICE

A bicycle controller and bicycle drive device that improves the stability of the behavior of a bicycle. The bicycle controller includes an electronic control unit that reduces the output of a motor, which is configured to assist in propulsion of the bicycle, in accordance with an angular acceleration of a rotary body. The rotary body is included in a human power transmission path extending from an input for human power to a coupling portion coupled to a drive wheel.

Work vehicle and method of controlling work vehicle
09745722 · 2017-08-29 · ·

A power transmission includes first and second clutches for switching a transmission path for a driving force. A work vehicle includes a clutch controlling unit and an engine controlling unit. The clutch controlling unit is configured to determine which of first and second modes the transmission path is switched into based on which of a range of greater than or equal to a mode switching threshold and a range of less than or equal to the mode switching threshold a speed ratio parameter falls into, and is configured to output a clutch command signal causing one of the first and second clutches to be engaged corresponding to the determined mode. The engine controlling unit is configured to apply an offset to a rotational speed of an input shaft such that after switching into the determined mode, the speed ratio parameter deviates from the mode switching threshold in the switched mode.

Controlling batteries for electric bus

An onboard charging system for an electric vehicle is configured to communicate with a power supply through exchange of control signals on a power supply line by modulating a charging current being supplied to the charging system. The charging system is capable of communicating fault and battery parameter data to the power supply, as well as a requested charging current used to regulate the power supply output. The power supply may convert high voltage AC power into a controllable DC output supplied directly to the electric vehicle, thereby providing a convenient means for the vehicle to initiate charging during operations. Connection between the electric vehicle and the power supply may be effected using an extendible and retractable electrical connection, such as a mechanical pantograph.

DRIVE SYSTEM AND METHOD FOR VEHICLE EMPLOYING MULTIPLE ELECTRONIC MOTORS
20220032784 · 2022-02-03 ·

A drive system with one or more electrically driven axles, a transmission subsystem, which is drivingly coupled to a drive gearbox of each of the electrically driven axles, first and second motors, which are each drivingly coupled to the transmission subsystem and have different motor characteristics, and a controller. The drive gearbox of each axle transmits rotary power to an associated set of vehicle wheels. The controller controls the first and second motors responsive to at least a torque request. Over a significant portion of the operating range of the drive system, the controller is configured to vary the respective magnitudes of the rotary power provided by the first and second motors to satisfy the torque request in a manner that maximizes a combined efficiency of the motors in a predetermined manner.

Transmission apparatus

Disclosed is a transmission apparatus comprising: a sun gear connected to the input terminal; a plurality of first planetary gears engaging with an outer surface of the sun gear; a second planetary gear which forms a concentric circle with each first planetary gear, and which is integrally formed with the first planetary gears; a first ring gear engaging with outer surfaces of the first planetary gears and connected to the output terminal; a second ring gear engaging with an outer surface of the second planetary gear; a cage for supporting rotary shafts of the first and second planetary gears such that the first and second planetary gears can revolve about the sun gear; and a brake member.

Drive system for vehicle

A drive system for a vehicle includes a first motor, a second motor, and a differential mechanism that includes a first rotation element connected to the first motor, a second rotation element connected to the second motor, and a third rotation element connected to driving wheels, the first rotation element and the second rotation element are located on the opposite sides with the third rotation element interposed therebetween in a collinear diagram of the differential mechanism, and an area that is not able to be selected as a target control quantity is determined within a range of the control quantity that is able to be output by one motor of the first motor and the second motor.

CONTROL APPARATUS FOR ROTARY ELECTRIC MACHINES

A control apparatus for a rotary electric machine extracts, based on a rotational speed of a rotating member, a vibration component included in the rotational speed of the rotating member, the vibration component being based on vibrations of a drivetrain. The control apparatus calculates, according to the extracted vibration component, compensation torque for compensating the vibrations of the drivetrain. The control apparatus performs drive control of the rotary electric machine according to the compensation torque. The control apparatus performs suppression to suppress the rotational speed of the rotating member from changing due to change of a speed change ratio.

Braking force control apparatus

A braking force control apparatus includes: a prediction unit that predicts a time from a present time until a next start of the gear shift operation in the stepped automatic transmission based on a speed of the vehicle; an acquisition unit that acquires a state of a battery charged by a regenerative power generation of the regenerative generator; and a control unit that stops the regenerative power generation by the regenerative generator before the gear shift of the stepped automatic transmission is started, when it is determined, during the regenerative power generation by the regenerative generator, that the regenerative power generation by the regenerative power generator may be stopped due to the state of the battery during the gear shift operation of the stepped automatic transmission, based on a prediction result by the prediction unit and the state of the battery acquired by the acquisition unit.

Method for simplifying torque monitoring, in particular for hybrid drives

In a method for controlling a vehicle drive unit having at least two individual drives and a vehicle control unit, a continuous torque comparison between a permissible torque M.sub.Zul and a further torque is performed by the control unit. The permissible torque M.sub.Zul is continuously compared to setpoint torques M.sub.setpoint,V and M.sub.setpoint,E for the least two individual drives.