About 103 results
https://drivepatents.com/patents/975287 · 7 May 2014
A motor drive device (20) is provided which allows control to be performed depending on a position of magnetic poles of a rotor even when a motor rotor angle sensor (36) malfunctions. The device (20) controls a motor (6) for driving a wheel of an electric ...
https://drivepatents.com/patents/975818 · 23 Apr 2014
A first opening/closing device (SMRB1, SMRG1, SMRP, R1) is configured to include a precharging relay (SMRP) and a limiting resistor (R1) connected in series between a first power storage unit (BAT1) and a first pair of power lines (PL1, NL1). A second open...
https://drivepatents.com/patents/976172 · 16 Apr 2014
In a parking lock control device of a vehicle of the present invention, when a parking lock activation command is outputted, either one of parking lock mechanisms is activated. In this state, a movement of the vehicle is estimated or detected, and when the...
https://drivepatents.com/patents/976860 · 26 Mar 2014
A controller for driving a motor has: an input part that receives, from each of two brake sensors, a signal indicating a corresponding brake is in an ON state or a signal indicating that the brake is in an OFF state; a control coefficient computing part th...
https://drivepatents.com/patents/977268 · 19 Mar 2014
An electric motorcycle includes a driving command detecting device, a state value detecting device for detecting a state value different from a driving command, an electric motor for generating driving power transmitted to a drive wheel, a control unit cap...
https://drivepatents.com/patents/977638 · 5 Mar 2014
The method involves dividing travel into segments, where each segment is defined between two successive breakpoints. Distance and average speed of the segments are determined based on measured instant speed. Optimal speed of the travel is determined as an ...
https://drivepatents.com/patents/978040 · 26 Feb 2014
An electromotive drive device for a construction machine, which is capable of lengthening its operating time, is provided. The electromotive drive device of an electric motor-driven mini-excavator includes an electric power storage device 7, a motor-genera...
https://drivepatents.com/patents/978550 · 12 Feb 2014
The present invention provides a control method for an electric vehicle, comprising the steps of: measuring a current voltage of a battery cell module and an external temperature immediately before or after a start of charging; determining whether or not c...
https://drivepatents.com/patents/978950 · 5 Feb 2014
A power control unit is mounted on a hybrid vehicle, and controls the electric power used for driving the vehicle. The power control unit includes a PCU case (50) having a top cover (51) where an opening (53) is formed, a terminal block (61) placed in the ...
https://drivepatents.com/patents/979416 · 22 Jan 2014
A motor drive device (20) includes a circuit (31) (e.g., an inverter) with a connection configuration that is switchable among: (a) a drive operative connection configuration that allows a motor unit (6) to be driven with power supplied from a battery unit...