About 11 results
https://drivepatents.com/patents/1386176 · 6 May 2026
A method for speed control of a ground-based vehicle, wherein a speed planner (4) comprises a macro planner (1), for rapid forward-backward speed planning, and comprises a meso planner (2), for optimization of driving time and energy consumption with an op...
https://drivepatents.com/patents/1400583 · 11 Feb 2026
Provided is an electric power assist system (51) that generates an appropriate level of assist power while a vehicle is running on a slope. The electric power assist system usable for an electric assist vehicle (1) includes: an electric motor (53) generati...
https://drivepatents.com/patents/956924 · 14 Oct 2015
A vehicle control device 30 controls torque of a drive motor 11 such that rotation of the drive motor 11 is transferred to rear drive wheels 15 of a vehicle via a drive unit 20 that includes a speed reducer 12 including a plurality of gears rotatably suppo...
https://drivepatents.com/patents/961562 · 15 Apr 2015
This disclosure provides a method of controlling an electric drive powertrain system. The method includes providing an electric motor capable of running between a motor minimum speed and a motor maximum speed such that the electric motor can produce differ...
https://drivepatents.com/patents/962081 · 1 Apr 2015
A torque for rotating a drive wheel is generated by a motor (8). An accelerator grip (42) is operated by a rider in order to adjust the torque of the motor (8). An operation amount of the accelerator grip (42) is detected by an accelerator sensor (AS). Fur...
https://drivepatents.com/patents/976696 · 9 Apr 2014
[Objective] To provide a system making it possible to automatically or manually change/regulate the accelerator pedal pressure of a vehicle according to driver information and/or vehicle driving conditions. [Solution means] A vehicle accelerator pedal pres...
https://drivepatents.com/patents/980255 · 1 Jan 2014
An electric vehicle includes a motor unit (6) configured to drive a wheel (2), an ECU (21) and an inverter unit (22). A motor control circuitry (29) of the inverter unit (22) includes a rotational frequency controller (37) operable to perform rotational fr...
https://drivepatents.com/patents/994266 · 9 Jan 2013
A motorized wheelchair includes left and right drive wheels, left and right motors, rate-of-turn sensor, first and second speed sensors, and controller arranged to combine signals from the sensors in a manner that detects drift. Alternatively, the motorize...
https://drivepatents.com/patents/994606 · 2 Jan 2013
A motorized wheelchair includes left and right drive wheels, left and right motors, rate-of-turn sensor, first and second speed sensors, and controller arranged to combine signals from the sensors in a manner that detects drift. Alternatively, the motorize...
https://drivepatents.com/patents/1003046 · 25 Apr 2012
An electric wheelchair (11) includes a body portion (12), an operating section (13) to detect an operation by an operator, an obstacle sensor (14) to detect an obstacle existing in the vicinity of the body portion (12), an obstacle determination section (1...