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7627408 |
Method for measuring vertical acceleration and velocity of semi-active suspension system
The present invention relates to a method for measuring a vertical acceleration and a velocity of a semi-active suspension system. Particularly, the present invention provides a method for...
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7621538 |
Air spring assembly with localized signal processing, system and method utilizing same, as well as operating module therefor
An operating module for localized signal processing at a corner of a vehicle includes a housing, a valve assembly or a sensor, and a signal processing device. The operating module can be used in...
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7617031 |
Series arranged air compressors system
A series arranged air compressors system includes a first air compressor and a second air compressor pneumatically connected in series in an open, closed or partially closed state of operation. The...
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7617032 |
Control system for adjustable damping force
Upon searching control parameter used to adjust damping force of a damper from a map in accordance with damper speed and target damping force decided based on moving condition of the vehicle, the...
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7611153 |
Electronic controlled suspension apparatus and vehicle height control method thereof
The present invention relates to an electronic controlled suspension apparatus capable of stopping vehicle height control when a vehicle turns and performing the vehicle height control when the...
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7613557 |
Vehicle control system
A vehicle control system for controlling a vehicle having a body, a pair of front wheels, and a pair of rear wheels, including a body-height adjusting device which adjusts four body heights each of...
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7610131 |
Roll angle control device for remote-controlled two-wheeled vehicle
A rolling angle control device 21 is disposed to provide the rolling angle control device for a remote-controlled two-wheeled vehicle so as to facilitate the control of the vehicle by an operator...
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7599779 |
Acceleration estimation device and vehicle
In an acceleration estimation device for estimating acceleration of a vehicle, a Karman filter for constant speed estimates x-direction acceleration offset and z-direction acceleration offset when...
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7593797 |
Control system for adjustable damping force damper
A control system for a adjustable damping force damper includes a damper and a spring provided on a suspension apparatus of a vehicle, a sprung speed sensor for detecting speed of an upper member...
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7590478 |
Method for controlling the quantity of air in a self-contained air supply system for a chassis
In order to simplify air flow control in a self-contained air supply system, an average control speed is calculated on the basis of a defined movement of the air springs ( 3, 4 ) and compared with...
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7580361 |
Network system, information processor and electronic apparatus
In the present network system, a printer 10 periodically transmits an update request at different timings respectively to an apparatus management PC 30 and to a directory service 50 which are...
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7571039 |
Vehicle yaw/roll stability control with semi-active suspension
A rollover avoidance system for changing the damping characteristics of suspension dampers at each wheel of a vehicle so as to mitigate the potential for vehicle rollover. The system includes a...
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7571044 |
Vehicle and suspension system for negotiating low traction situations
A method for controlling a vehicle having a suspension is provided. The method comprises, during longitudinal oscillations of the vehicle, adjusting a suspension member to vary a normal force...
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7533890 |
Damping adjusting/controlling system for wireless adjustment of shock-absorbers for vehicle
A damping adjusting/controlling system is provided for a vehicle having two front shock-absorbers and two rear shock-absorbers. Each shock-absorber includes a piston rod having a central rod...
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7536245 |
Vehicle state analyzing system, vehicle, and vehicle state management system
A vehicle is provided with an optimum suspension/chassis state and run for a first period of time under a predetermined condition, for storing information related to outputs of force sensors, as a...
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7529601 |
Vehicle integrated-control apparatus and vehicle integrated-control method
One of the manager control units among multiple control units includes a first coordination portion that coordinates a control target value derived based on an instruction from a driver or a first...
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7526665 |
Electrically controlled suspension system
An electronically controlled suspension system according to the present invention comprises a sensor unit for extracting and providing a vertical acceleration component of a vehicle body of a...
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7516965 |
Variable rear wheel toe angle control system for a vehicle
A variable rear wheel toe angle control system for a vehicle that can appropriately control a rear wheel toe angle without detecting a turning movement of the vehicle. Because the rear wheel toe...
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7512520 |
Method for logging the performance of a vehicle suspension system
A method for logging the performance of a vehicle suspension system including the steps of measuring the dynamic effect of an impulsive load with an electronic weighing system, wherein the...
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7489995 |
Vehicle motion stability control apparatus
An angular velocity detection device is provided for detecting an angular velocity about a single axis tilted in a longitudinal direction of a vehicle to a normal axis thereof. An actual motion...
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7483775 |
Method and apparatus for controlling semi-active suspension components
A vehicle comprises a semi-active suspension including controllably adjustable suspension dampers. Open loop and closed loop damper commands are determined for each damper and, depending upon...
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7472002 |
Method of estimating vehicle weight by determining vertical oscillation frequency
A method of estimating at least a portion of the weight of a vehicle and its load by use of an on-board accelerometer is disclosed.
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7469175 |
Arrangement and method for calculating the chassis height at a vehicle
Method and device for calculating chassis height of a vehicle that has at least three air-suspended wheel axles ( 2, 3, 4 ). The device includes a control unit and two level sensors ( 9, 10 ). The...
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7467035 |
Vehicle control system with redundant storage of vehicle control parameters
A control system for electronically controlled vehicle dynamics control systems and ride control systems includes a system ECU and a diagnostics ECU, each having a memory with vehicle parameters...
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7454275 |
Method of measuring the compression of a shock absorber, and an airplane undercarriage constituting an application thereof
An airplane undercarriage including a shock absorber having first and second portions that are movable relative to each other. The undercarriage further including a first wave transceiver assembly...
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7444223 |
Skid and roll-over protection system and method for vehicles
A system ( 10 ) for preventing skidding or roll-over of a road vehicle includes a wheel vibratory sensor arrangement ( 14 ) for each wheel ( 12 ) configured to measure vibrational motion of the...
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7444215 |
Moving apparatus and method of self-direction testing and self-direction correction thereof
A moving apparatus has a body, and has at least a pair of wheels, a control unit, a direction measuring unit and at least a pair of encoders installed on the body. The direction measuring unit...
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7434816 |
Surface vehicle vertical trajectory planning
An active suspension system for a vehicle including elements for developing and executing a trajectory plan responsive to the path on which the vehicle is traveling. The system may include a...
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7424326 |
Method and computer program for modeling an interfering pulse in a vehicle electric system
A method and a computer program for modeling an interfering pulse in a vehicle electric system are described. Previous approaches for synthesizing such interfering pulses have proven to be...
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7418331 |
Method for indicating a faulty strut and vehicle using same
Operating a vehicle with a faulty strut can cause serious consequences. The present disclosure includes a method of detecting a fault within a strut during operation of a vehicle. Pressure within...
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7418324 |
Active suspension for a marine platform
A look-ahead detection system (LADS) that actively controls the suspension of at least some of the seats in a watercraft to drastically reduce the shock and/or vibrations experienced by passengers...
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7418325 |
Suspension system for vehicle
A suspension system for a vehicle includes a roll control device, which includes an actuator, for controlling roll, and a control device including a target control value determining portion...
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7406371 |
Suspension control system
In a suspension control system, accelerations detected by acceleration sensors are differentiated by a differentiator to calculate acceleration derivative values. Based on these values, a target...
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7398143 |
Active vibration absorber and method
An active vibration absorber is provided for absorbing vibrations in a member. An inertial mass is mounted on the member with a stiffness between the member and the mass. A force actuator...
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7389994 |
Vehicle leveling system
A vehicle leveling system including at least one level sensor, a controller and an output. The sensor measures how level the vehicle is relative to horizontal. Optionally, it does so dynamically,...
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7383108 |
Vertical acceleration sensing vehicle brake system
A vertical acceleration compensator is employed in the braking system of a vehicle wheel that undergoes vertical motion relative to the vehicle frame. The vertical acceleration compensator senses...
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7376501 |
Vehicle height adjustment system
In order to prevent a vehicle from running with an inappropriate vehicle height, a vehicle height restoring speed controller determines whether the vehicle is starting or not. When the vehicle is...
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7360492 |
Railway car with overload detector
The invention provides an overload detector with a simplified system configuration to be applied to a railway car having a connecting bogie. A connecting bogie 52 (two axle bogie) having front...
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7356395 |
Inter-device communication system
An inter-device communication system for a wiper control apparatus that includes a rain detection device and a wiper driving device includes communication circuits having a transmission line for...
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7353097 |
Control network for vehicle dynamics and ride control systems having distributed electronic control units
An electrical control network is laid over one or more vehicle dynamics control and/or ride control systems of a heavy vehicle, which control network controls actuation of components thereof. The...
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7340334 |
Control device of variable damping force damper
A control device of a variable damping force damper for controlling a damping force of a damper used in a vehicle suspension system comprises: relative displacement detection means for detecting a...
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7334801 |
Automated vehicle suspension system
An automated vehicle suspension system includes an elongated and linear drive axle having opposed end portions pivotally connected to a selected portion of a vehicle and laterally extending...
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7333862 |
Position control device of moving body, stage device using the position control device, and position control method of moving body
A position control device of a moving body, by which position control device a moving body can be driven in a translational manner with high precision where the moving body is not rotated in a...
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7333882 |
Suspension control apparatus
In a suspension control system a sky-hook command signal (B) obtained from velocity data obtained by integrating a sprung mass acceleration (αu) from a sprung mass acceleration sensor ( 9 u ) and...
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7321816 |
Model free semi-active vehicle suspension system
A method for controlling a shock absorber system of a vehicle that includes a plurality of controlled shock absorbers linearizes the system. The method includes transforming original control inputs...
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7316406 |
Vehicle height adjusting apparatus
A wireless remote control radio-transmits a vehicle height adjusting signal tagged with a remote control identification code in order to improve vehicle height adjustment operability in a vehicle...
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7299117 |
Methods for evaluating dynamic characteristics of vehicle dampers at low velocities
The ability of a damper to attenuate smooth road shake in a vehicle is tested using a test fixture that is controlled by inputting data for periodic low amplitude periodic excitations having a...
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7299120 |
Method for reducing juddering vibrations
Juddering vibrations are reduced in a motor vehicle drive train that is loadable by a drive device comprising an internal combustion engine, a clutch device and a transmission device, by performing...
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7289893 |
Method for evaluating instantaneous frequency of mechanical excitation exerted on a motor vehicle wheel
A method for evaluating instantaneous frequency of a mechanical excitation exerted on a motor vehicle wheel by the uneven surface of a road, based on measurements of observable parameters such as...
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7286919 |
Method and apparatus for controlling damping of a vehicle suspension
A method and algorithm for semi-active suspension damper control is described. The algorithm controls the damper setting to limit vehicle body movement in terms of body modal velocities of heave,...
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