About 193 results
https://drivepatents.com/patents/985598 · 13 Mar 2013
The vehicle (5) has a first electric motor (10,12) such as asynchronous motor having a first moment characteristic over the rotational speed for driving the vehicle. The second electric motor (11,13) like synchronous motor has second moment characteristic ...
https://drivepatents.com/patents/985771 · 6 Mar 2013
A battery monitoring and charging system includes a charging equipment and a motor-driven vehicle. The motor-driven vehicle includes a battery, a charger that charges the battery by power supplied from the charging equipment, a charging control device that...
https://drivepatents.com/patents/993220 · 6 Feb 2013
To provide a controller apparatus of a type, in which the controller is given the redundancy so that the control of the drive motor can be properly performed at all times when an abnormality such as the failure of the controller occurs, with the reliabilit...
https://drivepatents.com/patents/993780 · 16 Jan 2013
An electric drive system (200) includes a motor (215) operatively coupled to a power conversion assembly (210) and to an electric power source (205). The electric drive system also includes a motor control system (100). The motor control system includes a ...
https://drivepatents.com/patents/993765 · 16 Jan 2013
A regeneration control device of an electrically powered vehicle (10) includes a motor generator (16) which performs electric power regeneration by braking a driving wheel (12L,12R) of the electrically powered vehicle (10), and a battery (18) to which elec...
https://drivepatents.com/patents/994414 · 2 Jan 2013
An assisting force control device for use in a bicycle with an electric motor and a crankshaft (11) includes a driving member (2) coupled co-rotatably to the crankshaft (11), a strain sensor (4) disposed on the driving member (2), a torque calculation unit...
https://drivepatents.com/patents/994718 · 26 Dec 2012
When a bicycle travels with a periodically changing pedal force T in the presence of electrical assistance, a control method for the motor of an electrically assisted bicycle according to the present invention can suppress a reduction in motor output and r...
https://drivepatents.com/patents/994900 · 19 Dec 2012
The method involves detecting one or more variables which includes temperature, age and/or charge-discharge history of the battery (B). The relationship between each one of the variables, and an energy or power output capability of the battery is specified...
https://drivepatents.com/patents/995711 · 28 Nov 2012
Provided is an electrically driven vehicle capable of suppressing drive wheel slipping, even in low-speed regions where wheel speeds are undetectable. The vehicle has driven wheels 7, 8 and drive wheels 3, 6, and the drive wheels 3, 6 are driven by electri...
https://drivepatents.com/patents/995630 · 28 Nov 2012
A closed energy combined cycle system and an operation method thereof are provided. The closed energy combined cycle system includes a power supply mechanism, used for providing a high voltage; a driving device, in which operation of the driving device is ...