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Document Title |
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7386379 |
Method and apparatus to control coordinated wheel motors
A method and system providing coordinated torque control and speed control of a vehicle equipped with individual wheel motors, a steering system, and yaw-rate detection to achieve a desired yaw...
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7360614 |
Steering control for drive wheels of vehicle
In a vehicle, a pair of left and right drive wheels are linked with a steering input device so that the drive wheels are turned in accordance with a driver's steering input force input by a driver...
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7328762 |
Electric vehicle
An electric vehicle has traveling units, first and second electric motors for driving the respective traveling units, a speed adjusting lever for adjusting a speed of the traveling units, a speed...
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7328759 |
Mobile robot with 360 degrees endless rotation type decoupled turret
The object of this invention is to provide a mobile robot base with a decoupled turret mechanism, including a turret ( 80 ), a turret motor ( 1 ) provided on the turret ( 80 ), an actuating motor...
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7328758 |
Self-propelled vehicle particularly for making turns with tight turning radii
A self-propelled vehicle particularly for making turns with tight turning radii, comprising a chassis provided with two driving wheels forming at least one driving portion, and which supports a...
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7326141 |
Compact fault tolerant variable cross-drive electromechanical transmission
A transmission drive system (TDS) has two AC induction traction motors, each operatively coupled to two semi-independent coaxial traction shafts, and two AC induction steer motors coaxially mounted...
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7267188 |
Electric vehicle
An electric vehicle has a control unit having a decelerating control function of decelerating an electric motor disposed on a side of a vehicle body corresponding to a turning direction of the...
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7243746 |
Recreational electric vehicle
The recreational electric vehicle (hereinafter REV) is a convenient indoor or outdoor vehicle for one or two people with a space for personal goods. REV is most suited for adaptations for...
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7213663 |
Driving device for robot cleaner
A driving device of a robot cleaner with a shock-absorbing unit. The driving device includes a robot cleaner body and a pair of motors disposed in the robot cleaner body which are driven by...
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7204328 |
Power apparatus for wheelchairs
The disclosed invention used power-assist wheelchair hubs and an array of sensors to provide obstacle-avoidance features on a wheelchair. In a power-assisted manual wheelchair, the traditional rear...
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7191042 |
System and method for steering a multi-wheel drive vehicle
A system and method of controlling a multi-wheel drive vehicle is provided. The invention is preferably applicable to the steering of such a vehicle and determines the individual velocities for...
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7174976 |
Dynamically stable transporter controlled by lean
A transporter for transporting a subject over a surface that may be irregular. The transporter includes a support platform for supporting a load, the loaded support platform defining fore-aft and...
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7167775 |
Robotic vacuum cleaner
An autonomous robot, that is for example, suitable for operations such as vacuuming and surface cleaning includes a payload configured for vacuum cleaning, a drive system including a steering...
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7133745 |
Method for compensating rotational position error of robot cleaner
A method for compensating a rotational position error of a robot cleaner is disclosed to reduce a rotational position error of a robot cleaner by compensating an offset value of a gyro sensor of...
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7117962 |
Articulated forklift truck
An articulated forklift truck for use in narrow aisles comprises a front chassis section ( 10 ) having a first pair of ground-engaging wheels ( 20 ) and a rear chassis section ( 12 ) having a...
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7100725 |
Robotic cart pulling vehicle
A robotic cart pulling vehicle includes a positioning error reducing system for reducing accumulated error in the ded-reckoning navigational system. The positioning error reducing system including...
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7074151 |
Drive configuration for a skid steered vehicle
An electric drive configuration for a skid steered vehicle comprises: a pair of propulsion motors ( 74 a, 74 b ), each with a motor shaft protruding from both ends of the motor and mounted on the...
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7073613 |
Motorized vehicle
A motorized vehicle has a vehicle body, at least a pair of wheels mounted on the vehicle body for undergoing rotation to cause the motorized vehicle to undergo travelling, and a pair of electric...
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7056185 |
Single axle wireless remote controlled rover with omnidirectional wheels
A wireless remote controlled rover ( 100 ) having a circular outer boundary when viewed in profile, comprising an elongated round-profile frame ( 20 ) outfitted with a pair of omnidirectional...
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7046917 |
Speed controlling device of a motorized cart for a person to ride on
A device of a cart includes a control, a speed regulating potentiometer, a microprocessor, a digital-to-analogue converter, a motor controlling unit, and a switch; the control is angularly...
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7017696 |
Electric motor vehicle with passenger opening through ring motor
A two-wheel electric vehicle with ringlike, large, powered parallel wheels, in which at least one ringlike wheel is driven by a large toroidal electric motor. The fully circular rotor of the large...
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7004269 |
Driving apparatus for a robot cleaner
Disclosed is a driving apparatus for a robot cleaner enabling drive wheels to be in contact with a floor all the time. The driving apparatus for a robot cleaner includes a robot cleaner main body,...
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6988570 |
Direction control device of control target
The left and right rear drive wheels of a vehicle are controlled independently, and the traveling direction of the vehicle is changed by providing a rotational speed difference between each of the...
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6920947 |
Exercise mode for a personal transporter device
A personal transporter device and corresponding method of operation are given that utilize an exercise mode. A transporter assembly includes a platform, a ground-contacting module, and a motorized...
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6915878 |
Self-balancing ladder and camera dolly
A device and methods for supporting a payload, such as a user, at a variable height above the ground and for repositioning the payload in a dynamically stabilized mode of operation. The transporter...
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6907949 |
Battery powered motor vehicle and method of use
A battery powered motor vehicle for transporting a rider in a standing position can be steered by either selective distribution of the riders weight, or alternative by turning a steering console....
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6856870 |
Power steering system
A power steering system capable of giving a driver no discomfort even when an incoming current instruction value sharply decreases. The power steering system comprises a controller C for...
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6840340 |
Electric-powered vehicle
An electric-powered vehicle includes electric-powered drivers for driving wheels, a controller for controlling the electric-powered drivers to generate an assisting driving force in accordance with...
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6810305 |
Obstruction management system for robots
A system for mobile robots to detect obstructions. Obstructions include objects which may impair the or impede the mobility of the robot, as well as transitions from carpeted surfaces to hard...
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6752231 |
Personal transportation system
A two wheeled automotive vehicle having a heavily weighted passenger compartment pivotally mounted on, and with its center of gravity below, a trapeze cross bar that is in turn pivotally mounted...
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6705758 |
Steering arrangement for mobile x-ray apparatus
A mobile X-ray apparatus has a carriage provided with at least one pair of independently driven driving wheels and a motor. The carriage includes a driving handle, which comprises sidebars,...
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6672412 |
Method for operating a vehicle having two propulsion units
A method for operating a vehicle having variable-speed left-side and right-side propulsion units (such as, without limitation, a tracked vehicle having a left track powered by a left-track motor...
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6615937 |
Motorized wheelchairs
A motorized wheelchair is advantageously provided with a rate-of-turn feedback sensor and with forward/reverse motion, lateral motion, and vertical motion acceleration feedback sensors that are...
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6571892 |
Control system and method
Systems and methods for controlling a device are disclosed. In one embodiment, the systems and methods allow for the control of a human transport device such that the human transport device remains...
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6564131 |
Four-wheel steering algorithm with functional and diagnostic states and modes
A method for controlling a four-wheel steering system of a vehicle includes recognizing a driver-selectable mode, receiving a signal preferably indicative of a front wheel steering-angle, and...
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6502657 |
Transformable vehicle
The transformable vehicle comprises a central chassis assembly having first and second distal ends with an axis passing therebetween, a first wheel assembly mounted to the first distal end, and a...
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6422330 |
Switch for use in ride-on vehicles for children
A switch for use in a ride-on vehicle for children. The switch includes plural contact sets operated by an actuator to control the speed and/or direction of the vehicle. In the disclosed...
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6414458 |
Apparatus for robotically inspecting gas turbine combustion components
A robotic inspection system for gas turbine combustion components includes an exterior manipulator for visual inspection of the exterior surface of the impingement sleeve, an interior manipulator...
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6408961 |
Apparatus for driving hand-operated wheelchair
An apparatus for driving electrically a hand-operated wheelchair includes two driving devices, a power supply device, and a control device. Each driving device includes a motor unit provided with a...
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6408230 |
Omnidirectional vehicle and method of controlling the same
An omnidirectional vehicle includes a body, and a plurality of units, each unit including a bearing rotatably supporting a steering shaft around a vertical axis with a rotor plate, and a driving...
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6390216 |
Motorized cart
A power unit for use with a motorized cart. Two wheels are rotatably mounted to opposite ends of an interconnecting member. In one embodiment, at least one driving motor is housed in at least one...
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6378883 |
Motorized walker/wheelchair and method
A motorized walker/wheelchair having wheels, an A-frame which has a driven a leg and a rolling leg which join at a vertex. Rising from one of the legs there is a control handle assembly. A motor...
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6374937 |
Motorized support for imaging means and methods of manufacture and use thereof
Motorized chassis, base, cart and/or carriage apparatus and methods for supporting mobile medical imaging systems. Such apparatus having precision propulsion mechanism to mechanically guide,...
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6354390 |
Power assisted wheelchair
An electric power assisted, manually operated vehicle such as a wheelchair. A force sensor senses the manual input force and the power assist is generated in response to the sensed input force. A...
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6341657 |
Suspension for central drive vehicle
A central drive personal mobility vehicle is disclosed comprising a frame having a right and a left frame mounting located in a trailing frame portion of the frame with a seat being mounted to an...
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6302226 |
Power assisted vehicle
A number of embodiments of power-assisted manually operated vehicles, specifically wheelchairs. An arrangement is providing for sensing the amount of manual force inputted and then providing a...
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6300732 |
Dual power unit for movement of a back and footrest in armchairs and the like
The dual power unit includes an elongate housing having mounted therein adjacent opposite ends thereof two power units, one of which is drivingly connected to the movable back of an armchair, and...
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6298932 |
Wheel assembly for a vehicle
A multi-disc wheel assembly for a vehicle is provided. The multi-disc wheel assembly includes a plurality of narrow discs assemblies that form a wheel assembly. The plurality of narrow disc...
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6276471 |
Delivery cart
A delivery cart including a chassis, one or two castors pivotable about a vertical axis and two support wheels for supporting the chassis on a ground, a substantially vertically extending...
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6250409 |
Multi-point mobility device
A multi-point mobility device that is capable of navigating over rough terrain without difficulty, including snow, say and, and mud, and which is able to reconfigure the two belt track assemblies...
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