#B60W40/068

Method for determining a road friction value

A method for determining a current road friction value (μ) using a control device in a motor vehicle continuously calculates a current friction value demand (μ) by the control device. A current tire s…

DRIVE·May 26·1 min read

B60W40/068 Magna PT B. V. & Co. KG

ROAD SURFACE FRICTION COEFFICIENT ESTIMATING DEVICE

A road surface friction coefficient estimating device (40; 102) includes an electronic control unit. The electronic control unit is configured to: compute a system noise variance value as an index ind…

DRIVE·Mar 4·1 min read

B60W40/068 JTEKT CORP [JP]

VEHICLE CONTROL METHOD AND APPARATUS, COMPUTER-READABLE STORAGE MEDIUM, AND ELECTRONIC DEVICE

A vehicle control method, comprising: step (S 1), acquiring a slip ratio in a current control cycle of a vehicle; step (S2), invoking a corresponding calculation strategy according to the slip ratio, …

DRIVE·Oct 1·2 min read

B60W40/068 BEIJING JINGDONG QIANSHI TECH CO LTD [CN]

COMPUTING DEVICE AND METHOD FOR FACILITATING MODIFICATION OF THE ROUTE OF AN AUTONOMOUS SURFACE VEHICLE

A computing device, method and computer program product are provided for facilitating modification of the route of an autonomous surface vehicle. In the context of a method, a stylized image of an inp…

DRIVE·Apr 9·1 min read

B60W40/068 BOEING CO [US]

TIME-BASED ARTIFICIAL ROAD FRICTION LEARNING METHOD AND SYSTEM

Methods and a system for estimating a coefficient of friction of a surface being traveled upon by a vehicle is disclosed. The methods and systems may be active when wheel slip is not present and while…

DRIVE·Feb 20·1 min read

B60W40/068 Ford Global Technologies, LLC

METHOD FOR DETERMINING A ROAD FRICTION VALUE

DRIVE·Jan 16·1 min read

B60W40/068 Magna PT B. V. & Co. KG

RADAR-TRIGGERED ROAD FRICTION ESTIMATION

A computer implemented method for determining a road friction condition associated with at least one wheel on a heavy-duty vehicle includes transmitting a radar signal by at least one polarimetric rad…

DRIVE·Nov 7·1 min read

B60W40/068 VOLVO TRUCK CORPORATION

MU ESTIMATION MODELED BY TIE ROD LOADS

Examples provide a system and method for controlling a vehicle or a fleet of vehicles. The system includes a set of vehicle sensors configured to measure a speed of the vehicle and a motor torque. The…

DRIVE·Nov 7·1 min read

B60W40/068 Robert Bosch GmbH

SURFACE RECOGNITION DURING DIFFERENTIAL BRAKING

Disclosed is a method, product, and system including the use of or using differential braking to determine a surface type or friction level under a road wheel of a vehicle and communicating the determ…

DRIVE·Oct 31·1 min read

B60W40/068 Steering Solutions IP Holding Corporation

SAFETY SYSTEM FOR A VEHICLE

A safety system for a vehicle may include one or more processors configured to determine, based on a friction prediction model, one or more predictive friction coefficients between the ground and one …

DRIVE·Oct 3·1 min read

B60W40/068 Mobileye Vision Technologies Ltd.

DYNAMIC ASSIGNMENT OF FRICTION COEFFICIENT USING SENSOR DATA FOR USE IN SIMULATION

Systems and techniques are described for improving the accuracy of autonomous vehicle simulations by dynamically assigning friction coefficients to road features based on sensor data. A method of the …

DRIVE·May 23·1 min read

B60W40/068 GM Cruise Holdings LLC

TRACTION DETERMINATION BY CHANGING WHEEL NORMAL FORCE

A control system () for controlling an active suspension system () of a vehicle () to determine relative traction levels, the control system comprising one or more controller (), wherein the control s…

DRIVE·Jan 4·1 min read

B60W40/068 JAGUAR LAND ROVER LIMITED

ROAD SURFACE FRICTION BASED PREDICTIVE DRIVING FOR COMPUTER ASSISTED OR AUTONOMOUS DRIVING VEHICLES

Embodiments include apparatuses, methods, and systems for computer assisted or autonomous driving (CA/AD). An apparatus for CA/AD may include a sensor interface, a communication interface, and a drivi…

DRIVE·Dec 28·2 min read

B60W40/068 Intel Corporation

VEHICLE

A vehicle includes a first detector detecting first information related to a condition of a first road surface; a second detector contactlessly detecting second information related to a condition of a…

DRIVE·Nov 30·1 min read

B60W40/068 SUBARU CORPORATION

METHOD FOR VEHICLE CONTROL, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM, AND ELECTRONIC DEVICE

A method for vehicle control, including: obtaining a slip ratio in a current control cycle of a vehicle; calculating a road friction coefficient in the current control cycle of the vehicle by invoking…

DRIVE·Sep 28·1 min read

B60W40/068 BEIJING JINGDONG QIANSHI TECHNOLOGY CO., LTD.

SNOW FRICTION DETERMINATION BY AUTONOMOUS VEHICLE

An autonomous vehicle has a temperature sensor for sensing an air temperature or a road temperature, a processor communicatively connected to the temperature sensor to receive a signal from the temper…

DRIVE·Aug 17·1 min read

B60W40/068 Matthew Roy

SYSTEM AND METHOD FOR PROVIDING VEHICLE SAFETY DISTANCE AND SPEED ALERTS UNDER SLIPPERY ROAD CONDITIONS

Vehicle alert and control systems and methods taking into account a detected road friction at a following vehicle and a predicted road friction by the following vehicle. The detected road friction bet…

DRIVE·Jul 13·2 min read

B60W40/068 Volvo Car Corporation

DISTRIBUTED COMPUTING SYSTEM FOR DETERMINING ROAD SURFACE TRACTION CAPACITY

A distributed computing system for determining road surface traction capacity for roadways located in a common spatio-temporal zone includes a plurality of vehicles that each include a plurality of se…

DRIVE·May 18·1 min read

B60W40/068 GM Global Technology Operations LLC

SYSTEMS AND METHODS FOR PROVIDING OFF-TRACK DRIVABILITY GUIDANCE

The disclosure generally pertains to systems and methods for providing off-road track drivability guidance. In an example scenario, a processor receives a sensor signal that is generated when a vehicl…

DRIVE·May 4·1 min read

B60W40/068 Ford Global Technologies, LLC

Driving Surface Friction Estimations Using Vehicle Steering

Systems and methods are provided for generating data indicative of a friction associated with a driving surface, and for using the friction data in association with one or more vehicles. In one exampl…

DRIVE·Mar 16·1 min read

B60W40/068 UATC, LLC

SAFETY SYSTEM FOR A VEHICLE

DRIVE·Mar 16·1 min read

B60W40/068 Intel Corporation

METHOD FOR CONTROLLING A WHEELED VEHICLE IN LOW-GRIP CONDITIONS

A method of controlling a vehicle having wheels provided with tires resting on a surface, the method using a model of the physical behavior of each tire as a function of a sideslip angle (β) for each …

DRIVE·Feb 16·1 min read

B60W40/068 SAFRAN ELECTRONICS & DEFENSE

GPS ENHANCED FRICTION ESTIMATION

A vehicle and a system and method of controlling the vehicle. The system includes a sensor and a processor. The sensor obtains a first estimate of a force on a tire of the vehicle based on dynamics of…

DRIVE·Feb 9·1 min read

B60W40/068 GM Global Technology Operations LLC

ON-BOARD ROAD FRICTION ESTIMATION

A road friction coefficient of a vehicle is estimated by obtaining substantially contemporaneous values associated with a steering angle for a steered axle of the vehicle, a lateral acceleration, a ya…

DRIVE·Dec 22·1 min read

B60W40/068 Volvo Truck Corporation

DETERMINATION OF A COEFFICIENT OF FRICTION FOR A VEHICLE ON A ROAD

A method for processing friction data for vehicle tires on road segments, implemented by a processing system including at least one computer and an interface for remote communication with a plurality …

DRIVE·Dec 8·1 min read

B60W40/068 Continental Automotive GmbH

VEHICLE CONTROL DEVICE, NON-TRANSITORY STORAGE MEDIUM, AND VEHICLE CONTROL SYSTEM

A vehicle control device configured to control switching of drive mode of a vehicle including an internal combustion engine and a motor includes a processor configured to switch, in a case where a roa…

DRIVE·Dec 8·1 min read

B60W40/068 TOYOTA JIDOSHA KABUSHIKI KAISHA

METHOD OF ADAPTIVE ESTIMATION OF ADHESION COEFFICIENT OF VEHICLE ROAD SURFACE CONSIDERING COMPLEX EXCITATION CONDITIONS

A method for adaptive estimation of a road surface adhesion coefficient for a vehicle with complex excitation conditions taken into consideration comprises the following steps: 1) designing an estimat…

DRIVE·Oct 20·1 min read

B60W40/068 TONGJI UNIVERSITY

ROAD CONDITION ESTIMATION APPARATUS, METHOD AND PROGRAM

A road condition estimation device includes: a reception unit that receives pieces of sensor information from automobiles respectively, each piece of sensor information including positional informatio…

DRIVE·Aug 11·1 min read

B60W40/068 NIPPON TELEGRAPH AND TELEPHONE CORPORATION

INFORMATION PROCESSING SYSTEM, PROGRAM, AND INFORMATION PROCESSING METHOD

An information processing system includes one or more vehicles, and a server communicable with the one or more vehicles. The vehicle acquires an image obtained by imaging a road on which a host vehicl…

DRIVE·Aug 11·1 min read

B60W40/068 TOYOTA JIDOSHA KABUSHIKI KAISHA

METHOD AND DEVICE FOR PREDICTING A CUSTOMIZED COEFFICIENT OF FRICTION FOR A VEHICLE ON A SECTION OF ROAD

A method for predicting, for a motor vehicle traveling on a first road segment, a future coefficient of friction of the vehicle on a second road segment. The method includes steps of obtaining operati…

DRIVE·Jul 28·2 min read

B60W40/068 Continental Automotive GmbH

AUDIO-BASED TECHNIQUE TO SENSE AND DETECT THE ROAD CONDITION FOR AUTONOMOUS DRIVING VEHICLES

Sound signals are received by one or more microphones disposed at an ADV. The sound signals are analyzed to extract a feature of a road on which the ADV is driving. A road condition of the road is det…

DRIVE·Jul 14·1 min read

B60W40/068 Baidu USA LLC

FRICTION ESTIMATION FOR STEERING MANEUVERS FOR STATIONARY OR SLOW-ROLLING AUTOMOBILES

A device for estimating a friction coefficient between a road surface and an automotive tire through determination of a steering torque during a steering maneuver of a slow-rolling or stationary vehic…

DRIVE·Jun 2·2 min read

B60W40/068 The Penn State Research Foundation

VEHICLE CONTROL DEVICE AND METHOD, AND VEHICLE SYSTEM

The present embodiments relate to a vehicle control device and method, and a vehicle system. The vehicle control device may include a determinator determining a road surface condition based on vehicle…

DRIVE·May 5·1 min read

B60W40/068 MANDO CORPORATION

SYSTEMS AND METHODS FOR FUSING ROAD FRICTION TO ENHANCE VEHICLE MANEUVERING

A vehicle control method and system, including: receiving road friction information indicating road friction estimates for a plurality of regions surrounding the vehicle; detecting and determining a p…

DRIVE·Apr 28·1 min read

B60W40/068 Volvo Car Corporation

ROAD SURFACE FRICTION BASED PREDICTIVE DRIVING FOR COMPUTER ASSISTED OR AUTONOMOUS DRIVING VEHICLES

DRIVE·Apr 28·2 min read

B60W40/068 Intel Corporation

DRIVING SURFACE FRICTION CHARACTERISTIC DETERMINATION

An illustrative example method is for estimating a friction characteristic of a surface beneath a vehicle that has a plurality of wheels contacting the surface. The method includes determining a wheel…

DRIVE·Apr 28·1 min read

B60W40/068 APTIV TECHNOLOGIES LIMITED

METHOD OF CREATING DATABASE FOR PREVIEW VIBRATION DAMPING CONTROL FOR VEHICLE

In a method of creating a database for preview vibration damping control, road surface displacement-associated information detected by a detection device is acquired, positional information capable of…

DRIVE·Apr 21·1 min read

B60W40/068 TOYOTA JIDOSHA KABUSHIKI KAISHA

METHOD AND APPARATUS FOR CONTROLLING TERRAIN MODE USING ROAD CONDITION JUDGEMENT MODEL BASED ON DEEP LEARNING

The present disclosure in some embodiments provides a method and apparatus which utilize a learning model based on deep learning for enabling a vehicle to autonomously estimate a road surface conditio…

DRIVE·Mar 3·1 min read

B60W40/068 HYUNDAI MOBIS CO., LTD.

Surface Detection Via a Directed Autonomous Vehicle

A number of illustrative variations may include the steps of providing a first vehicle including at least one sensor, a controller configured to process sensor data, and a vehicle communication system…

DRIVE·Feb 24·1 min read

B60W40/068 Clinton L. Schumann

METHOD AND CONTROL UNIT FOR DETERMINING A FRICTION COEFFICIENT POTENTIAL OF A ROAD SURFACE

A method for determining a friction coefficient potential of a road surface. A total torque for operating a vehicle is unequally distributed among at least two wheel torques at wheels of the vehicle. …

DRIVE·Feb 17·1 min read

B60W40/068 Robert Bosch GmbH