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7619378 |
Rotation control device, rotation control method and construction machine
A control device 50 of an electric rotary excavator generates a rotation speed coefficient in accordance with a setting condition of a fuel dial 13 and a selection condition of a mode selection...
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7617027 |
System for failure safety control between controllers of hybrid vehicle
The present invention provides a system for failure safety control between controllers connected to an HCU via CAN communication. The system includes an ECU, an MCU, a TCU, a BMS and an HCU. The...
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7616443 |
Cooling device for electrical power units of electrically operated vehicles
A cooling device for an electrical power unit of electrically operated vehicles, comprising at least one power section and at least one control section. A first cooling circuit containing a heat...
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7615950 |
Control device for hybrid electric vehicle
Driving forces of an engine and an electric motor can be transmitted to driving wheels, and the engine and the driving wheels can be mechanically connected and disconnected by a clutch. A vehicle...
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7615943 |
Control apparatus and method for electric vehicles
In electric vehicle control, system voltage stabilization control is executed to reduce the difference between a target value and detected value of a system voltage generated by a voltage boosting...
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7615887 |
Method and system for operating a power converter
A method and system for operating a power converter having an electrical component and a switch coupled to a voltage source are provided. A signal is received that is representative of a desired...
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7610124 |
Control device for motor-driven vehicle
A control device for a motor-driven vehicle, the control device includes: a zone determining unit that determines at least a normal use zone, a discharge zone, an over-discharge zone, a charge...
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7609019 |
Photovoltaic system and method for operating a photovoltaic system
A photovoltaic system includes a plurality of photovoltaic modules and a DC motor connected to a three-phase generator driven by a shaft. The three-phase generator is connected to a power mains....
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7609010 |
Inverter
The present invention relates to an inverter and a method for converting direct current voltage to alternating current. The inverter comprises a first input arranged to be connected to the ordinary...
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7607500 |
Internally electrically powered bumper cars comprising multiple drive wheels and integral hub motors
“Bumper car” amusement rides are disclosed. An exemplary bumper car comprises a frame, a seat, a portable source of electrical power for propelling the car, multiple drive wheels, a motor...
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7605555 |
Stabilizer control device for controlling roll rigidity of a stabilizer
A stabilizer control device includes: an electric motor having a regenerative function; a stabilizer, connecting a left wheel and a right wheel, that is capable of altering a roll rigidity via the...
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7598689 |
Motor drive apparatus
A control device generates, upon receiving an instruction to start engine while drive wheels of a hybrid vehicle are driven by a motor generator, a signal to output the signal to a voltage step-up...
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7595599 |
Drive regenerative control system
Provided is a drive regenerative control system of a drivee with a motor superior in torque and weight balance and suitable for miniaturization as the drive source. In a drive regenerative control...
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7595597 |
Vehicle propulsion system
A vehicle propulsion includes an alternating current (AC) traction drive, a first energy storage system electrically coupled to the traction drive through a direct current (DC) link, a second...
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7587263 |
Driving controller for a vehicle
A type of driving controller for a vehicle that makes use of a combination of a generator and an AC motor to perform stable motor torque control. Target output electric power that should be output...
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7586278 |
Control apparatus for electric vehicles
In a control apparatus for an electric vehicle, an input power operation quantity that reduces the difference between a target value of a system voltage and a detected value of the voltage is...
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7583036 |
Electrically driven vehicle
In an electrically driven vehicle having a controller, the vehicle has a steering angle sensor for outputting a detected value of a steering angle of the vehicle, the controller includes a first...
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7576501 |
Method for controlling a hybrid electric vehicle powertrain with divided power flow paths
A method is disclosed for enhancing reverse driving torque in a hybrid electric vehicle powertrain in which an electric motor is used for providing forward driving torque as well as reverse driving...
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7576500 |
Method and system for operating a motor to reduce noise in an electric vehicle
Methods and systems for operating a motor coupled to an electrical bus in a vehicle are provided. Selected resonant frequencies of the electrical bus are determined. The selected resonant...
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7571683 |
Electrical energy capture system with circuitry for blocking flow of undesirable electrical currents therein
An electrical energy capture system, as may be carried on a hybrid energy, electro-motive, self-powered traction vehicle, is provided. The system may be used for storing electrical power generated...
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7568537 |
Vehicle propulsion system
A vehicle propulsion includes an alternating current (AC) traction drive, a first energy storage system electrically coupled to the traction drive through a direct current (DC) link, a second...
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7564203 |
Actuator with DC motor and with irreversible transmission for maneuvering a roller blind
The actuator (ACT) comprises:
a DC motor (MOT) having an armature energized via brushes (B) and a bar commutator with segments (L) and driving the movable element (LD) by way of a mechanical...
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7560904 |
Method and system of managing power distribution in switch based circuits
Method and systems of managing power distribution in switch based circuits. The method and system including a number of switches for controlling power distribution. The method and system further...
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7557527 |
Electrical power converter and control method
An electrical power converter comprises a first direct current line connected to a first direct current source, a second direct current line connected to a second direct current source, an...
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7545109 |
Method and apparatus for monitoring an electrical energy storage device
A method and article of manufacture for monitoring an electrical energy storage device adapted to supply electrical power to a selectively actuable electric motor is described. This comprises...
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7541757 |
Motor vehicle
A system and method for operating an electrical supply network are disclosed. An exemplary embodiment couples a vehicle to the supply network, receives a trigger to cause a partial discharge of an...
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7541756 |
Temperature compensated test for a power distribution switching device
An actuator, such as a motor of a power distribution switching device, may be operated by measuring at least one temperature parameter associated with an energy storage device (e.g., a battery) of...
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7528568 |
Vector controller for permanent magnet synchronous motor
A vector controller for a permanent magnet synchronous motor according to the present invention has a motor constant identifying unit for identifying motor constants of the permanent magnet...
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7528566 |
Method for controlling voltage of DC link for electric vehicle
Disclosed is a method for controlling a voltage of a DC link for an electric vehicle, which can reduce a capacitance of the DC link interposed between an inverter and a DC/DC converter. The method...
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7527028 |
Hybrid vehicle system having engine with variable valve operation
A system for a vehicle, comprising of an internal combustion engine coupled in the vehicle, the engine having at least one cylinder with an intake and exhaust valve, where the opening and closing...
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7525443 |
Method and apparatus for machine state quantification in machinery management systems
A method for determining a steady state operating condition of a machine includes determining whether a current machine speed of the machine is within a defined range of operation, determining...
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7521882 |
Control device and method of motor
A control device for controlling a motor includes a sensing module, a modifying module and a driving module. The sensing module senses the motor to generate a sensing signal. The modifying module...
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7514889 |
Steering controlling device
A steering controlling device comprising a power source, a motor connected to a steering system, a motor driving circuit converting a power source voltage to a predetermined voltage and applying...
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7512466 |
High-torque, low power reaction wheel array and method
Methods and apparatus are provided for reaction wheel (RW) assemblies for spacecraft. The apparatus comprises a M/G coupled to an inertia wheel and a controller coupled to the M/G that, in response...
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7511447 |
Motor drive apparatus
When a torque command value from an external ECU is within a predetermined variation width, a control unit generates a signal and outputs the signal to a voltage command calculation unit so that...
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7511438 |
Electric braking of machinery with a plurality of inverter-fed motors
A system and method are provided whereby at least two motors driven by an inverter coupled to a DC bus are configured to alternate between regenerative and injection braking such that at least one...
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7504786 |
Motor controller
A motor controller judges whether or not a duty cycle of a PWM control signal, which is used to open and close a switching element on a power supply line to a motor, is in a current detection...
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7489048 |
Energy storage system for electric or hybrid vehicle
A battery load leveling system for an electrically powered system in which a battery is subject to intermittent high current loading, the system including a first battery, a second battery, and a...
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7486034 |
Power supply device for vehicle and method of controlling the same
A power supply device for a vehicle includes a battery serving as a first electric storage device, a battery serving as a second electric storage device, a motor generator driving a wheel, a...
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7482769 |
Control apparatus for electric motor and abnormality detection method for electric motor control
A high-level ECU generates a torque command value T 1 according to an output request to an electric motor. A low-level ECU calculates a torque command value T 2 for correcting the original torque...
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7482768 |
Hybrid electric lawnmower having dual power supply
A hybrid electric lawnmower having dual power supply is described which includes an electric motor operating the blade and the ability to drive the motor from either 120 VAC line voltage or from a...
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7482767 |
Regenerative motor propulsion systems
A vehicle or watercraft regeneration system includes at least one electric motor capable of generating electricity and a controller for the at least one motor; wherein the controller to optimize...
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7479757 |
System and method for a cooling system
Certain exemplary embodiments can comprise a system comprising an electric drive system for a machine. The system can comprise a rectifier adapted to convert AC power from an alternator to DC...
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7479754 |
Hybrid electric lawnmower
A hybrid electric lawnmower is described which includes an electric motor operating the blade and the ability to drive the motor from either 120 VAC line voltage or from a battery pack. There is a...
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7477031 |
Control device for hybrid electric vehicle
A hybrid electric vehicle is arranged such that a driving force of an engine and a driving force of an electric motor can be transmitted to driving wheels through a transmission and that the engine...
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7474066 |
Method and system for supplying electrical power to a supply bus for an electric vehicle, recording medium, and vehicle for this method
A method for supplying electrical power to a DC supply bus of a rotating electric motor of an electric vehicle is provided. The method includes the steps of selectively supplying electrical power...
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7471003 |
Vehicular power control apparatus
A protection operation control part switches a gate signal interruption switch for protection of power elements to a gate signal interruption side, and invalidates a switching signal from a hybrid...
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7468587 |
All wheel drive vehicle
The present invention relates to the field of electric-motor-driven vehicles such as cars, motorcycles, scooters, electric-motor trains, etc. Embodiments of the invention seek to provide an...
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7466088 |
Signal control for motor position determination
A controller estimates a motor position. The controller includes a driver and an injector. The driver generates a fundamental control signal. The injector generates a position carrier voltage that...
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7444226 |
Electronic control device and method for controlling the operation of motor vehicle
When a microcontroller, having associated output stages which are used to control components, is used, a digital release signal, in addition to the control signal, is supplied to an output stage...
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