Matches 1 - 50 out of 244 1 2 3 4 5 >


Match Document Document Title
US20120031697 Motor and electric power steering apparatus using motor  
A magnetic sensor disposed in an axial direction of a shaft of a motor detects the rotation angle of the rotor by detecting magnetism of the magnet that is disposed on one end of the shaft. A...
US20090194361 Power Assisted Steering System with an Auxiliary Electric Pump  
A power assist steering system for a vehicle, especially for a truck or commercial vehicle, is disclosed that includes a mechanical engine-driven power steering pump that pumps hydraulic fluid to...
US20140174844 ELECTRICAL POWER STEERING APPARATUS  
A motor control circuit includes a power relay, a converter division, a smoothing condenser, a control circuit and a motor drive circuit, and is connected to a battery as high voltage power and to...
US20090107756 Motor rotation angle detection device  
A motor rotation angle detection device, comprising a resolver which detects a rotation angle of a motor generating an assist torque for steering road wheels. The resolver includes an annular...
US20090194358 MATERIALS HANDLING VEHICLE WITH A MODULE CAPABLE OF CHANGING A STEERABLE WHEEL TO CONTROL HANDLE POSITION RATIO  
A materials handling vehicle is provided comprising: a frame comprising an operator's compartment; wheels supported on the frame, at least one of the wheels being a steerable wheel; a...
US20130140105 PINION SENSOR ASSEMBLY, PINION SENSOR COVER ASSEMBLY, AND ELECTRONIC POWER STEERING APPARATUS HAVING THE SAME PIPE  
Disclosed are a pinion sensor assembly and an electric power steering apparatus having the same. According to the present invention, it is possible to substantially reduce the number of...
US20090139793 Steering assist system for motorcycle  
A steering assist system for a motorcycle includes an actuator configured to provide a steering torque to steering of a motorcycle. A target-torque calculation unit is configured to obtain a...
US20070039775 Steering control system for vehicle  
A steering control section has a first steering angle correction amount calculating section, a second steering angle correction amount calculating section, and a motor rotational angle calculating...
US20050171667 Electric power steering system and method having abnormality compensation function  
A vehicle electric power steering system comprises a torque sensor including a torsion bar that detects a steering force applied to the steering wheel. A first rotation angle detection device...
US20110094821 ELECTRICAL POWER SUPPLY UNIT FOR VEHICLE  
An electrical power supply unit for vehicle comprises: a Main Power Supply 100, a Voltage Converter 40 for converting the output voltage of the Main Power Supply 100 to supply electrical power to...
US20130131926 ROAD WHEEL DISTURBANCE REJECTION  
A control method for an electric power steering system is provided. The control method includes evaluating wheel disturbance based on a wheel velocity. A wheel disturbance cancel amount is...
US20090188743 Steering angle sensor  
A steering angle sensor comprises a main rotor which can be rotated in a rotationally synchronous manner and which can be coupled to a steering column or to a steering wheel. The main rotor can be...
US20080264713 Electric power assist module for steering system  
An electric power assist module for a steering system has an integrated housing for accommodating the torque sensor, motor and electronic control unit. A helical gear train including a pinion...
US20130048412 ELECTRIC POWER STEERING SYSTEM  
A torque sensor and an electric motor are supported by a steering column by which a steering shaft is rotatably supported. On a control board on which a control circuit that controls driving of an...
US20120145473 MOTOR DRIVE APPARATUS AND ELECTRIC POWER STEERING SYSTEM USING THE SAME  
A booster circuit of a motor drive apparatus has at least two sub-booster circuits connected in series. Each sub-booster circuit includes a booster coil, a boosting switching element, a reducing...
US20090000850 HANDS-FREE POWERED MOBILITY DEVICE  
An electrically operable wheelchair having a seat, a base with a pair of motors respectively coupled with the main support wheels, a position detection assembly, and a controller coupled with the...
US20130112494 TORQUE DETECTION DEVICE AND ELECTRIC POWER STEERING SYSTEM  
A torque detection device includes: a torsion bar that couples a first shaft to a second shaft such that the first shaft and the second shaft are rotatable relative to each other; an annular...
US20140076654 TORQUE SENSOR AND POWER STEERING SYSTEM USING THE TORQUE SENSOR  
Torque sensor detects torque of steering shaft formed by first and second shafts which are connected through torsion bar. Torque sensor has: a magnetic member provided at the first shaft and...
US20090026004 POWER STEERING APPARATUS HAVING FAILURE DETECTION DEVICE FOR ROTATION ANGLE SENSORS  
A power steering apparatus has a steering power assisting system coupled to tire wheels and a variable gear transfer system coupled to a steering wheel. The steering power assisting system...
US20090133956 STEERING SYSTEM MOTOR  
A plurality of magnetic pole bodies, provided on a stator of a steering motor, are divided into two electrically independent groups. Each group includes i) six magnetic pole bodies that are...
US20060090953 Electric steering system for rapidly increasing damper gain after steering speed exceeds a specific value  
An electric steering system includes a device for measuring a steering input into a steering system; a device for measuring a steering speed; a section for computing a target current based on the...
US20090194357 MATERIALS HANDLING VEHICLE HAVING A STEER SYSTEM INCLUDING A TACTILE FEEDBACK DEVICE  
A materials handling vehicle is provided comprising a frame comprising an operator's compartment, wheels supported on the frame, at least one of the wheels being a steerable wheel, and a...
US20060225947 METHOD AND COMPUTER PRODUCT IN A STEERING ARRANGEMENT FOR A VEHICLE  
A method in a steering arrangement for a vehicle includes a steering element connected to at least one wheel of the vehicle, with the steering angle of the wheel of the vehicle being controlled in...
US20090314573 Magnetostrictive Torque Sensor and Electric Steering System  
A magnetostrictive torque sensor comprising: a magnetostrictive film provided on a ferromagnetic shaft; a bias magnetization device which applies a bias magnetic field to the shaft to magnetize...
US20060086561 Vehicular steering apparatus with capability of providing suitable steering angle correction and power assistance  
A vehicular steering apparatus according to the invention includes a steering angle correction mechanism, a steering power assist mechanism, and a controller. The steering angle correction...
US20120152647 TORQUE SENSOR, TORQUE DETECTOR, AND ELECTRIC POWER STEERING DEVICE  
In a torque sensor, a torque signal and a monitoring signal have values between a first lower limit and a first upper limit. A limiting section changes the torque signal to a second lower limit...
US20150183454 ELECTRICAL POWER ASSISTED STEERING DEVICE  
An electrical power assisted steering device has a lower shaft, an upper shaft module, a pre-torsion module and a torsion bar. The upper shaft module has an upper shaft, a detecting unit mounted...
US20120261209 TORQUE SENSOR AND POWER STEERING SYSTEM  
First and second shafts are connected with each other through a torsion bar and arranged to rotate relative to each other within a relative rotational angle range A. A s torque sensor includes...
US20110297475 MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING DEVICE  
A motor control device and an electric power steering system that make it possible to suppress occurrence of voltage saturation with a simple configuration are provided. A current limiting value...
US20090078494 Method for Compensating for Drive Influences on the Steering System of a Vehicle Using an Electric Power Steering System  
The invention relates to a method for compensating for drive influences of a drive train of a motor vehicle on its steering system, said motor vehicle having an electric power steering system. A...
US20120205187 ELECTRIC POWER STEERING SYSTEM  
An inverter energy consumption calculating portion estimates the actual power consumption of a steering operation assist motor after an engine is placed in an idle-stop state, and a command value...
US20130062137 Electric Power Steering System  
An electric power steering system has an electric motor that is housed in a motor housing having a cylindrical portion and provides a steering assist force to a steering shaft; a control unit that...
US20090020356 STEERING DEVICE FOR FLOOR CLEANING MACHINE  
A floor cleaning machine having a speed control and steering member which operates under operator-applied deformation thereof. The invention provides improved consumer convenience at steering...
US20090218163 PRESSURE DETECTION DEVICE AND PRESSURE DETECTION METHOD  
The pressure detection device includes a buffer member deformable by a pressure change, including one or more magnets, and a sensor assembly including one or more magnetic sensors to detect a...
US20150166101 TIE ROD FORCE SENSING SYSTEMS AND METHODS  
In accordance with an exemplary embodiment of the invention, a control system for controlling a steering system having a tie rod is provided. The control system includes a sensor coupled to the...
US20050167184 Torque detector with reflector for electric power steering system  
The present invention relates to a steering torque detecting apparatus of an electric power steering system which is capable of assisting a steering operation by accurately detecting a steering...
US20060191739 Motor-driven steering assist apparatus  
A motor-driven steering assist apparatus interposed between a steering handle and a tire wheel side steering member is disclosed for assisting a steering force applied to the steering handle by a...
US20090294207 Motor-Driven Power Steering System  
According to the present invention, unlike to motor-driven power steering systems in the related art, it is possible to generate an appropriate assistant steering force that is required to drive...
US20090099731 Electric power steering system  
A control unit estimates reverse transfer torque transferred from tires to a steering wheel and calculates an assist gain based on the reverse transfer torque. The control unit calculates basic...
US20080243339 STEERING SYSTEM  
A steering system includes: an electric power steering device which includes a steering unit of front wheels having an electric motor for generating an auxiliary torque in accordance with at least...
US20090173566 STEERING SYSTEM FOR VEHICLE  
A steering system for a vehicle is disclosed. The steering system includes variable gear ratio steering apparatus, a first ECU for controlling the apparatus, an electric power steering apparatus,...
US20090178877 STEERING SYSTEM WITH INTEGRATED STRAIN GAUGE  
The invention relates to a steering system (10) for a motor vehicle. It is characterized in that at least one component part of the steering system (10) is made from a fiber composite material and...
US20130299271 MOTOR CONTROLLER AND ELECTRIC POWER STEERING DEVICE USING THE SAME  
Provided are a motor controller for suppressing a torque pulsation with a simple configuration and obtaining a sufficient output torque in the case of an open-type fault occurring in any one of...
US20090294209 Method and Device for Operating a Vehicle with a Steering System, and a Steering System  
A steering system arranged in a vehicle having a steering wheel, a steering system control unit and a steering assistance unit with an electric motor. The steering system is designed to assist, by...
US20120080259 MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING APPARATUS  
An angular velocity estimate (ωe) used in motor control of an electric power steering is obtained as follows. In a first state period during which the motor substantially stops its rotation, a...
US20140076655 TORQUE SENSOR AND POWER STEERING SYSTEM USING THE TORQUE SENSOR  
Torque sensor has: magnetic member; first yoke member having (a) first nail portions arranged concentrically to face the magnetic member in radial direction and (b) first ring portion; second yoke...
US20140054103 MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING DEVICE USING SAME  
Provided are a motor control device (1) for controlling a motor (2) having a plurality of phases, for quickly and accurately detecting a phase in which an open-state fault has occurred when the...
US20060069481 Vehicular steering control apparatus  
A vehicular steering control apparatus is comprised of a steering system of receiving a steering torque inputted by a driver, a torque control actuator connected to the steering system to produce...
US20100087988 ELECTRIC POWER STEERING SYSTEM AND METHOD FOR CONTROLLING THE SAME  
An electric power steering system includes an electric assist motor, a controller, a first corrector, and a second corrector. The electric assist motor is configured to assist steering according...
US20100084216 POWER SUPPLY CIRCUIT AND SIGNAL DETECTION APPARATUS  
In a power supply circuit, first and second loads are connected in parallel to a power source though first and second power lines, respectively. A power line connector connects the first and...

Matches 1 - 50 out of 244 1 2 3 4 5 >