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JP4127321B2 |
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JP4119059B2 |
A control circuit (U2) prohibits the driving of a motor (27) based on a motor actual current signal and a steering torque signal (TQ) to set-up an offset current (delta IOS) smaller than a correction signal (delta I). The control circuit...
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JP4119058B2 |
An electric power steering system for a vehicle that consists of a motor control signal calculation device for calculating a motor control signal for driving a motor to generate a steering assist torque, which is based on at least a stee...
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JP2008137631A |
To provide a carrier with compact electric casters.In the carrier 1 with the electric casters 21, 22, the pair of electric casters 21, 22 and a pair of free casters 23, 24 are arranged in a vehicle body 2. The electric casters 21, 22 are...
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JP4096445B2 |
Photographs captured by a CCD camera (17) provided on rear end of a car is output in a display (13) during the parking operation. A run anticipation tracing (20) which correlates the rear end images with steering angle is displayed. When...
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JP3141594U |
To provide an unmanned transport trolley capable of smooth curve traveling along a guide tape. An unmanned carrier 10 having a steering drive unit including a magnetic sensor 18, a drive wheel 20, a drive motor 22, a steering motor and a...
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JP4071400B2 |
A co-operative control system for a vehicle including a force distribution device for distributing the driving force or braking force between the right and left wheels or between the front and rear wheels, includes a first control means ...
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JP4045338B2 |
In steering control for individually controlling wheel steering angles alpha 1, alpha 2, alpha 3, and alpha 4 of a vehicle in accordance with a condition equation for forming a prescribed mode, one of the condition equation variables is ...
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JP2007320545A |
To solve a problem causing efficiency lowering and capacity lowering of a travelling car system as it is necessary for a conventional travelling car to stop travelling of another travelling car in spin turn motion of the travelling car. ...
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JP4013094B2 |
The active suspension for a motor vehicle has an independent linkage connecting each wheel (2) to the chassis (1), allowing vertical movement of the wheel. Each wheel can be mounted to slide on a vertical pillar (5) attached to the linka...
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JP4005465B2 |
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JP2007526174A |
A vehicle includes a load-bearing body having a front end and a rear end, at least one carrier supporting the body on a surface on which the vehicle is positioned, and a steering device. The steering device includes at least one wheel an...
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JP2007223565A |
To reduce the opportunity when unexpected movement is performed for the other vehicle. The vehicle is composed so that an independent steering travel is possible when a predetermined condition is satisfied. The predetermined condition is...
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JP3957767B2 |
A steering assembly for a work vehicle having a supporting frame is disclosed wherein the steering assembly includes a steerable front axle having an axle defined longitudinally by end portions rocking about respective substantially vert...
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JP2007182203A |
To provide a wheel arrangement structure for a four-wheel vehicle suppressing a required space in turning to the minimum while performing smooth operation and traveling by simplification of a structure.The wheel arrangement structure for...
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JP2007145070A |
To provide a compact drive wheel structure for a vehicle having multiple functions.The drive wheel structure for the vehicle employing a wheel-in-motor structure is equipped with: a rotation torque generation means (for example, a motor)...
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JP2007131211A |
To provide a course correction type traveling vehicle capable of retaining a rear wheel side in such a state that it is directed to a front side without steering when a front wheel at one side climbs an upslope, also quickly operating a ...
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JP2007508996A |
This invention relates to wheeled vehicles and particularly to motorised road vehicles. The wheeled vehicle (10) includes two frames (12) for carrying road wheals (18, 20), the frames (12) being laterally spaced apart. A pair of road whe...
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JP2007090926A |
To provide an electric caster capable of traveling while confirming the advancing direction by detecting the direction in real time without any limitation concerning the direction of a pair of wheels even if the direction is freely chang...
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JP3901431B2 |
To provide a traveling vehicle which is improved in the fuel efficiency of the engine. The vehicle, which is provided with a control device 6 for controlling respective set revolving speeds of wheels 2, consists of respective drive motor...
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JP2007505782A |
The invention relates to a steering system for an agricultural or industrial utility vehicle, especially for a tractor. An electric drive (22, 24) is provided for each half of an axle, preferably a front axle (20), of the utility vehicle...
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JP3888891B2 |
To simultaneously change moving directions of right and left steering carrying rollers in a follower traveling side set under a bottom surface of a large-sized heavy article to be carried. An electric motor 106 of a steering carrying rol...
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JP2007503358A |
The invention relates to a tilt regulating device ( 16 ) for a vehicle ( 10 ), with detecting means ( 20 ) for detecting a roll velocity signal ({dot over (kappa), representing the roll velocity of the vehicle ( 10 ), and for detecting a...
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JP3881978B2 |
To provide an industrial truck having a highly reliable steering device allowing safe operation in different steering operation modes. This method is for steering the industrial truck. This device comprises a control unit having at least...
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JP3842904B2 |
To provide running motor control equipment of a battery vehicle which can improve the sensation of turning and turning efficiency at low speed and realize optimum turning performance. This control equipment is provided with a steering an...
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JP3840441B2 |
To make an electric caster of a carriage for stage setting have a simple constitution for miniaturization and to easily change a moving direction of the carriage. This electric caster 1 is provided with a lower frame 4 provided with a pa...
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JP3816730B2 |
To provide a steering device for a vehicle capable of improving the steering characteristic, reducing the steering resistance, and further improving the suspension function and the traveling stability. This steering device has a means fo...
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JP2006517165A |
The invention concerns a method and a device for the adjustment of wheel camber in commercial vehicles, particularly wheeled construction vehicles used for earthworks, particularly on uneven ground. The camber angle is set inventively an...
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JP3791659B2 |
To promote speed-up, simplification, low cost of control, and improve operability by allowing a vehicle to move in omni-directions even when there is no senseor for detecting a steering angle. With this control method, a driving unit 1 w...
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JP2006117011A |
To provide an independently driven motorcar capable of preventing a weight increase without causing disadvantages by mounting of a driving motor on a vehicle, when the sum of driving force of the driving motor is ensured so that a target...
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JP2005535509A |
The method involves defining a curved path with e.g. a specified steering angle. A signal representing the desired path is passed in a form suitable for processing by an electronic control unit to an actuator influencing yaw motion. The ...
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JP3703344B2 |
To enhance working efficiency by permitting the center of gravity of cargo placed on the deck of a truck to vary over a wide range. This cargo handling vehicle has wheel devices whose cylinder devices are longitudinally and horizontally ...
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JP3620458B2 |
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JP3609005B2 |
To provide a steering device for vehicle allowing the stabilization of a vehicle attitude in braking on μ split road. A steering system control device 20 performs the attitude control for stabilization of vehicle behavior by controlling...
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JP2004352180A |
To provide a self-traveling vehicle which travels at a right angle when turning to the left or the right on a road.This vehicle comprises four wheels 11-14 installed at four corners 10a-10d at a bottom of a vehicle body 10, a travel driv...
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JP2004345592A |
To provide a steering device for a vehicle capable of precluding instability in the steering force during steering operation such as in a case where the steering force becomes too heavy or too light resulting from the difference in drivi...
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JP3575058B2 |
PURPOSE: To simplify operations in a field end by providing an operating lever 3 which provides a work machine lifting lever when it is operated back and forth in turning on the field end and applies one side brake to the inner wheel aft...
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JP3560403B2 |
To stably travel an omnidirectional moving vehicle even at high speed and to safely and certainly steer it constantly with the same sense of operationeven in a state where a driver rides on the vehicle or in a state where the driver free...
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JP2004210263A |
To provide a steering system for a vehicle for controlling steering of all the steering wheels by individual actuator of each wheel.This steering system has a controller 6, which operates when the wheel actuator 3 causes a failure and ha...
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JP2004521811A |
A forklift truck steerable along at least two opposite directions of travel by a hydraulic circuit includes at least one hydraulic cylinder (22) coupled to at least one steerable ground-engaging wheel (18) and a driver's steering wheel (...
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JP3539071B2 |
To reduce the height above the floor and the size of an automatic guided vehicle by forming a void opened opposite to a wheel on a steering motor, and storing a part of the sheel in the void in a wheel unit which has a steering motor and...
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JP2004516177A |
A rack ( 1 ) and pinion ( 4 ) steering gear for a vehicle in which the steering angle ratio varies as a function of at least both the steering wheel angle input by the driver and vehicle speed. The steering gear comprising a rack ( 1 ) l...
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JP2004142494A |
To provide a dolly of simple constitution with a less number of component parts and requiring a suppressed space capable of precluding oscillation of wheels generated when they are put in a same-phase revolutional steering in the place, ...
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JP2004122870A |
To reduce cost for enhancing riding comfort of a tricycle with an oscillating mechanism, while enhancing the riding comfort.Front swing shaft and rear swing shaft 85 as spindles extending in vehicle body front and rear directions are mou...
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JP3511617B2 |
To provide an unmanned carrier capable of traveling in any direction longitudinally, reciprocally moving in the same carrier route and free to be applied to a small apace. Revolving adjustable wheels 5, 6, 7, 8 are arranged on four point...
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JP2004075216A |
To provide a forklift with a drive wheel which can be steered in 360° for preventing danger by accurately informing a driver and people around of a travelling direction of the forklift.The forklift with the drive wheel 24 which can be s...
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JP3501044B2 |
To enable prompt and safe movement. An omnidirectional moving truck comprises; a driving means for traveling, steering, and turning; an operating portion 2 on which operational force is added; an external force detecting means detecting ...
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JP2004034966A |
To provide an automotive parking brake device having at least two steered wheels on the same axle, with the steering angle of each wheel being selectively imposed by each electric actuator controlled by a direction control unit which det...
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JP2003535742A |
Motor-vehicle having at least a rear driving wheel and two front rolling and steering wheels connected to each other by a linkage mechanism (15; 15bis) provided with a suspension system (19) that comprises at least a pair of shock-absorb...
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JP3464325B2 |
To provide a steering device of a work vehicle which can carriy out a U-turn rapidly at the minimum turning radius, and never damages a turf by the wheels during a U-turn. When a lawn mower working vehicle carries out a U-turn, at first ...
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