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Class 701/22 - Electric vehicle


Subclass of Class 701 - Data processing: vehicles, navigation, and relative location
Definition: Vehicle control, guidance, operation, or indication wherein
No. of patents: 931
Last issue date: 05/29/2012


          11            
NumberTitleIssue Date
7174980Method for controlling the operating response of a hybrid drive of a vehicle
A method of controlling the operating response of a hybrid drive of a vehicle is described, the hybrid drive having an internal combustion engine and at least one electric motor as the drive motors, and the drive shafts of the drive motors being mechanically linkabl...
02/13/2007
7177736Control device for fuel cell vehicle
The present invention intends to provide a control device for a fuel cell vehicle which suppresses the deterioration of driveability upon acceleration without increasing the size of a driving electric motor or a motor driver. When a requested output (PD_CAL) exceeds...
02/13/2007
7174093Wheel chair drive apparatus and method
A control system for a powered wheel chair drive modulates a pulse power delivery signal such that power is delivered gradually at throttle positions corresponding to a low speed, and power is delivered more rapidly at throttle positions corresponding to a higher sp...
02/06/2007
7172524Automotive vehicle transmission systems
An automotive vehicle transmission system has two epicyclic gearsets and a first and second electrically connected motor/generator. Components of the epicyclic gearsets and the motor/generators are connected such that, when the transmission system is in use, electri...
02/06/2007
7169074Electrically variable transmission having two planetary gear sets with one stationary member
The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors ...
01/30/2007
7170249Electrical phase compensation in BEMF spindle motor control
A method and apparatus for compensating for the asymmetrical phases of a spindle motor in a disc drive are provided. With the apparatus and method, compensation values are learned by sampling speed data during a period of operation of the disc drive where the speed ...
01/30/2007
7168515Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode
A hybrid vehicle drive system including (a) an engine, (b) an electric motor, (c) a planetary gear device having a first rotary element connected to the engine, a second rotary element connected to the electric motor and connected through a first clutch to an output...
01/30/2007
7167783Apparatus and method for controlling regenerative braking of an electric vehicle
The method includes detecting a brake pedal operation. Thereafter, calculating a non-driven wheel braking force applied to a non-driven wheel of the electric vehicle according to the brake pedal operation. Subsequently, calculating a target braking force for a drive...
01/23/2007
7165638Hybrid drive system wherein clutch is engaged when engine speed has exceeded motor speed upon switching from motor drive mode to engine drive mode
A hybrid vehicle drive system including (a) an engine, (b) an electric motor, (c) a planetary gear device having a first rotary element connected to the engine, a second rotary element connected to the electric motor and connected through a first clutch to an output...
01/23/2007
7164247Motor torque control apparatus and method for automotive vehicle
A motor torque control apparatus for an automotive vehicle includes a transmission which has either one of a fixed speed ratio and a variable speed ratio; at least one motor/generator coupled with the transmission as a propelling power source of the vehicle, a power...
01/16/2007
7164977A/C bus assembly for electronic traction vehicle
An electronic traction vehicle comprising a principal power unit, a power storage unit mounted on a vehicle platform. A plurality of wheels are rotably mounted on the vehicle platform with an electric motor coupled to at least one wheel. A drive controller is couple...
01/16/2007
7164976Control apparatus for fuel cell vehicle
A control apparatus 20 is provided in order to improve the energy efficiency of a vehicle during regeneration by a propulsion motor. At the time of regenerative operation of a propulsion motor 15, calculates the regenerative electric power which can be...
01/16/2007
7163480Powertrain for a hybrid vehicle with all-wheel drive capability and method for controlling wheel slip
A hybrid-electric powertrain for a vehicle having forward traction wheels and rearward traction wheels in an all-wheel drive configuration. An engine and an electric motor deliver power through delivery paths to the traction wheels. The power delivery paths may have...
01/16/2007
7163088Lift truck for the transport of a battery block of an industrial truck
A lift truck (6) for the transport of a battery block (1) of an industrial truck, such as a fork-lift truck. The lift truck (6) includes at least one electrical unit. The electrical unit can be connected with the battery block (1) to be t...
01/16/2007
7163071Method for operating a non-railbound land vehicle with a combustion engine-generator unit and an electric drive motor and corresponding vehicle
The invention relates to a non-railbound land vehicle (2) comprising a drive system with the following components; a combustion engine-generator unit (=VG unit) (14, 16); at least one electric drive motor (18, 20); a power control station (30...
01/16/2007
7162998Method of starting an internal combustion engine for strong hybrid powertrains
A control system for a vehicle includes a combustion engine and an electric propulsion system. The combustion engine includes a camshaft and a crankshaft. The control system improves NVH by deactivating the compression pulses during a cranking phase of the combustio...
01/16/2007
7162332Turret deployment system and method for a fire fighting vehicle
A turret control system and method for a fire fighting vehicle is disclosed. The turret control system includes one or more control modules, such as an envelope control module, turret targeting module, a turret pan module, a turret deploy module, a turret store modu...
01/09/2007
7161316Method and apparatus for discrete speed compensated torque step motor control
Methods and apparatus for controlling a motor are provided. The motor may be operated in a fluid system having a variable static pressure acting on the motor. The method including operating the motor at a first substantially constant torque level, varying the static...
01/09/2007
7161270Line start reluctance synchronous motor
A line start reluctance synchronous motor includes: a single phase stator arranged at an inner circumferential surface of a motor body and on which a main coil and a sub coil are wound; a magnet unit free-rotatably arranged along an inner circumferential surface of ...
01/09/2007
7154253Digitally controlled modular power supply for automated test equipment
A digitally controlled hybrid power module is controlled by a programmable controller. The hybrid power module includes a digitally controlled switching supply with an output coupled to an input of a digitally controlled linear voltage regulator. Independent control...
12/26/2006
7154244Steering apparatus
Steering apparatus includes at least one motor for generating a steering assisting force in a direction to steer a steerable wheel, two drive circuits having respective switching elements for PWM-controlling the motor, and a controller for differentiating, between t...
12/26/2006
7151987System for reducing powertrain reaction torque
A system is provided for controlling the inertia of a vehicle's powertrain during sudden braking events. Torque generated by rapid deceleration of the vehicle's drive wheels during braking is prevented from being transmitted through the vehicle's driveline by a clut...
12/19/2006
7150333Vehicle control apparatus and method
A controller is provided for implementing a line pressure control for controlling a line pressure for an automatic transmission and a motor assist control for controlling an assist amount by an electric generator when an engine is put into an automatically restarted...
12/19/2006
7150266Method of controlling air fuel ratio learning for dual injection internal combustion engine in hybrid vehicle
In a hybrid vehicle driven by a dual injection internal combustion engine including an injector for in-cylinder injection and an injector for in-intake air path injection, and assistive dynamic, to control learning of the internal combustion engine's air fuel ratio ...
12/19/2006
7149609Vehicular electronic control unit
A voltage generated by a variable analog signal source is input to first and second input terminals of a multi-channel A/D converter via an analog signal input circuit including an analog switch and first and second amplifiers, and a resulting digital conversion val...
12/12/2006
7149620Control device for engine driven vehicle incorporating generator
A control device for controlling an engine driven vehicle that drives a generator by an engine to supply power to an external load when the vehicle is stopped, including: rotational speed limiting means for controlling to limit a rotational speed of the engine to a ...
12/12/2006
7148640Valve controller
The invention provides a valve controller of a motor utilizing type for improving control accuracy and reducing cost. The valve controller controls valve opening and closing of an engine by utilizing rotation torque of the motor, and has a driving circuit receiving ...
12/12/2006
7147072Method and apparatus for providing hybrid power in vehicle
A hybrid powertrain system includes a combustion engine, a battery buffer for storing electric energy by converting it onto chemical energy, which can be converted back into electrical energy when need, a fuel cell unit having multiple fuel cells each of which is an...
12/12/2006
7146958Control apparatus for hybrid vehicle
An object is to improve fuel consumption efficiency. Accordingly, a fuel gradual addition delay time when starting (engine water temperature) TMKSTDLYT which changes in a decreasing trend with an increase in the engine water temperature is set (step S10). A f...
12/12/2006
7146258Direct current power pooling
The present invention provides for a DC power pooling system comprising: a plurality of DC electrical power consuming and providing entities, each of the plurality of DC electrical power consuming and providing entities having at least a first operative mode in whic...
12/05/2006
7145788Electrical power system for vehicles requiring electrical power while the vehicle engine is not in operation
A system for supplying electrical power for use when the vehicle engine is shut down and configurations of long-haul trucks employing the system are disclosed. The power system is a battery bank contained within an insulated enclosure. The batteries are heated when ...
12/05/2006
7145263Automatic headrest adjustment control system for a vehicle seat assembly
A control system and method for automatically adjusting the position of a headrest of a seat assembly for a vehicle. The control system includes at least one occupancy sensor disposed within the seat assembly for detecting the presence of a passenger in the seat ass...
12/05/2006
7143851Method for controlling a wheel drive system of a hybrid vehicle
A method for operating a hybrid vehicle when starting a power source. The method includes initiating a start sequence that includes driving the power source at a target speed, determining a speed adjustment value based on an amount of vehicle acceleration requested ...
12/05/2006
7140459Vehicle driving force control apparatus
A vehicle driving force control apparatus is provided for a vehicle having a drive source configured to drive a generator and an electric motor configured to drive an electric motor driven wheel by electricity from the generator. The vehicle driving force control ap...
11/28/2006
7134982Control system for hybrid drive unit
A control system for a hybrid drive unit wherein an assist prime mover is connected through a transmission mechanism to an output member to which a torque outputted by a main prime mover is transmitted, a torque of said assist prime mover is limited within a preset ...
11/14/2006
7136779Method for simplified real-time diagnoses using adaptive modeling
A method for on-board real-time diagnostics of a mobile technical system using an adaptive technique to approximate stationary characteristic curves resulting from a workshop test. This adaptive technique uses observed non-stationary normal driving data to eliminate...
11/14/2006
7136727Method for controlling hybrid electric vehicle powertrain
There is described a method for controlling a hybrid electric vehicle power-train comprising an internal combustion engine, an electric machine and a transmission, the transmission having a gear set with three rotational elements rotationally coupled to the internal...
11/14/2006
7133602Power supply apparatus, motor drive control method using the same and motor vehicle having the same mounted thereon
A power supply apparatus driving and controlling motor generators (MG1, MG2) includes a battery (10) generating an input voltage (Vb), a converter (110) converting the input voltage into a motor operating voltage (Vm) according to a volta...
11/07/2006
7130733Control method for an automatic transmission
Control method for effecting a gear shift in a stepped automatic transmission with an input shaft and an output shaft for transmitting power between two inertia components at distinct speed ratios with a first power transmission path and a second power transmission ...
10/31/2006
7129660Motor-temperature estimation apparatus and motor control apparatus
A motor-current square value calculation section 45 calculates, as a motor-current square value, the sum of respective square values of two phase currents converted from three phase currents flowing through an electric motor. A temperature estimation calculat...
10/31/2006
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