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Volvo Car Corporation patents (2018 archive)


Recent patent applications related to Volvo Car Corporation. Volvo Car Corporation is listed as an Agent/Assignee. Note: Volvo Car Corporation may have other listings under different names/spellings. We're not affiliated with Volvo Car Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "V" | Volvo Car Corporation-related inventors


Radar arrangement

The present disclosure relates to a radar arrangement for a vehicle comprising a design element, such as an emblem or a vehicle light, and a radar device comprising a plurality of radar device units, wherein the radar device and the design element are integrated with each other such that they form one common integral unit. The disclosure also relates to a vehicle comprising the radar arrangement. ... Volvo Car Corporation

Method for preconditioning a vehicle before start and a vehicle adapted to be preconditioned before start

A method for preconditioning a vehicle comprising a combustion engine before start by using electricity from an external grid, comprising the step of heating the catalytic converter with an electrical heater mounted inside catalytic converter, where the heater is powered by the external grid. As a result, cold start emissions can be advantageously reduced, and the energy consumption and the exhaust emission of the vehicle can be minimized.. ... Volvo Car Corporation

Checking fixture

The present invention relates to a checking fixture comprising: a bottom support frame; a metallic support sheet mechanically fixated to the bottom support frame, the metallic support sheet comprising a plurality of through holes arranged in a predetermined layout; a plurality of holder members for holding vehicle component holders or vehicle component measurement devices, the holder members being attached to the metallic support sheet in the through holes and being adapted to extend away from an upper surface of the metallic support sheet; at least one metallic sheet reinforcement structure arranged orthogonally separated from the metallic support sheet, the metallic sheet reinforcement structure being adapted to fixate the relative position of at least two of the holders members. The metallic support sheet and the metallic reinforcement sheet structure are made from laser cut sheet material.. ... Volvo Car Corporation

Apparatus and method for driver activity dependent adas wheel angle controller

A steer torque manager for an advanced driver assistance system of a road vehicle and a method therefor. The steer torque manager includes a driver in the loop functionality for determining when to hand over control to a driver, and a wheel angle controller for providing, from an advanced driver assistance system wheel angle request, an overlay torque request to be added to a torque request from an electrical power assisted steering. ... Volvo Car Corporation

Apparatus and method for situation dependent had or adas wheel angle control

An apparatus and method are described for situation dependent wheel angle (δw) control by a had or ada system of a road vehicle, the had or ada system configured to receive internal state data as well as ambient information or map data, and generates a penalty measure based thereupon. A lateral controller receives a desired path and outputs a wheel angle request (δw,r). ... Volvo Car Corporation

Steer torque manager for an advanced driver assistance system of a road vehicle

A steer torque manager (stm) for an advanced driver assistance system (adas) of a road vehicle and a method therefor. A driver in the loop functionality determines when to hand over control to a driver. ... Volvo Car Corporation

Steer torque manager for an advanced driver assistance system of a road vehicle

A steer torque manager for an advanced driver assistance system of a road vehicle and a method therefor. A driver-in-the-loop functionality determines when to hand over control to a driver. ... Volvo Car Corporation

Safety stoppage device and autonomous road vehicle equipped therewith

A safety stoppage device for an autonomous road vehicle having at least one control network and sensor, and an autonomous drive-control unit for processing sensor and communication signals and providing control signals for lateral and longitudinal control. A primary brake-control unit is configured to monitor the longitudinal control signals for faults and, upon determination of a fault, execute a longitudinal control profile, stored independent from the autonomous drive-control unit, to perform braking to a stop. ... Volvo Car Corporation

Method and system for sharing of information pertinent at a railway crossing

An information sharing system derives from a roadway vehicles management system position-related data of a roadway vehicle along a road and determines a roadway vehicle timing at or during which the roadway vehicle is estimated to arrive at or cross a railway crossing. The information sharing system further derives from a railway vehicles management system position-related data of a railway vehicle along the railway and determines a railway vehicle timing at or during which the railway vehicle is estimated to arrive at or have passed the railway crossing. ... Volvo Car Corporation

Arrangement and method for mitigating a forward collision between road vehicles

Disclosed is an arrangement and a method for mitigating a forward collision between a host vehicle, having sensors for monitoring a road ahead and wheel brakes, and an oncoming vehicle. The sensors are utilized to estimate parameters of an oncoming vehicle. ... Volvo Car Corporation

Method and system for vehicle localization from camera image

A method for determining a location of a vehicle comprises acquiring a 2d-image, depicting vehicle surroundings, using a vehicle-based camera; classifying pixels in the image such that each classified pixel belongs to one class of a set of classes, thereby forming a classified 2d-image. The method further comprises determining an initial estimated vehicle location and defining possible vehicle locations based on the initial location; matching the classified 2d-image with a 3d-map comprising a plurality of geometric objects that each belong to one class of the set of classes, by comparing a classification of a geometric object in the 3d-map, for a possible vehicle location, with a classification of a corresponding at least one pixel in the classified 2d-image; determining a matching score for at least one possible vehicle location based on matched pixels of the 2d-image; and determining a vehicle location based on the score of the possible vehicle location.. ... Volvo Car Corporation

Method and system for starting an internal combustion engine of a hybrid vehicle and a hybrid vehicle comprising a system for starting an internal combustion engine

Method and system for starting an internal combustion engine that rotates a drive shaft providing torque to a driving wheel via a transmission unit comprising a first clutch connecting the engine to an input shaft of a gearbox connected to a torque converter. The torque converter is connected to a second clutch connected to the driving wheel through a transmission, and the input shaft is connected to an auxiliary drive source in an offset arrangement with a predetermined torque ratio between the input shaft and the auxiliary drive source. ... Volvo Car Corporation

Road vehicle turn signal assist system and method

A road vehicle turn signal assist system and method are described for a road vehicle having turn indicators, a positioning system having access to map data, one or more sensors for monitoring the road vehicle surroundings, and one or more gears for selectively travelling forward or in reverse. Current positioning information and map data for the current position is used to determine if parking of the road vehicle is in progress when a reverse gear is selected. ... Volvo Car Corporation

Method and system for computing a road friction estimate

A method is described for determining a friction estimate between a road surface and a tire of a vehicle, the tire being arranged on a steerable wheel of the vehicle, and the vehicle having an axle rack pivotably attached to a linkage arm connected to the steerable wheel such that a translational motion of the axle rack causes the linkage arm to rotate about a kingpin element such that the linkage arm causes a turning motion of the steerable wheel. The method includes acquiring a plurality of rack force values; acquiring a plurality of lateral wheel force values; mapping a relation between the plurality of rack force values and the lateral wheel force values to a model; and determining the lateral friction estimate based on the mapping.. ... Volvo Car Corporation

04/19/18 / #20180105206

Method and system for determining road properties in a vehicle

A method in a vehicle for determining road properties is described. The method includes: acquiring vehicle acceleration in x, y and z directions; acquiring a rack force; acquiring a wheel speed for each of all four wheels; determining a wheel speed energy based on the wheel speed; determining a wheel slip of all four wheels of the vehicle based on a respective wheel speed of the wheel; determining an acceleration energy in each of the x, y and z-directions based on the vehicle acceleration and the vehicle speed; determining a rack force energy based on the detected rack force; and determining road properties based on the wheel speed energy, rack force energy and vehicle speed. ... Volvo Car Corporation

04/19/18 / #20180105181

Method and system for computing a road friction estimate

A method is described for computing a friction estimate between a road surface and a tire of a vehicle when the vehicle is in motion along a course, the tire being arranged on a steerable wheel of the vehicle, and the vehicle including two front wheels and two rear wheels and an axle rack pivotably attached to a linkage arm connected to the steerable wheel such that a translational motion of the axle rack causes the linkage arm to rotate about a kingpin element such that the linkage arm causes a turning motion of the steerable wheel. A corresponding system and vehicle are also described.. ... Volvo Car Corporation

04/19/18 / #20180105151

Method and system for determining friction between the ground and a tire of a vehicle

There is provided a method for estimating friction between a tire of a vehicle and a road surface, the method comprising acquiring, a front wheel axle torque, a rear wheel axle torque, a vehicle longitudinal acceleration, a vehicle pitch rate and wheel rotational velocities. The method further comprises determining a front wheel normal force and a rear wheel normal force, based on a center of gravity of the vehicle and the longitudinal acceleration; determining a longitudinal tire stiffness, jointly determining a vehicle longitudinal velocity, based on the wheel rotational velocities and vehicle longitudinal acceleration, and a vehicle pitch angle relative to the horizontal plane based on the vehicle pitch rate; and determining a friction coefficient between tires and ground based on the front and rear wheel axle torque, the front wheel normal force and the joint estimation of pitch angle and vehicle longitudinal velocity. ... Volvo Car Corporation

03/29/18 / #20180087584

Decoupler assembly

A decoupler assembly comprises a torque equalizer and a one-way clutch bearing. The torque equalizer comprises an inner member having a rotational axis, an outer member disposed concentrically and surrounding the inner member, and two arcuate spring elements arranged between the inner member and the outer member, and configured to transmit torque between the inner and outer members. ... Volvo Car Corporation

03/29/18 / #20180086265

Method, system and vehicle for use of an object displaying device in a vehicle

Embodiments herein relate to a method for handling a driver's use of an object displaying device comprised in a vehicle. The driver's use of the object displaying device is monitored. ... Volvo Car Corporation

03/29/18 / #20180086217

Vehicle charging interface unit, a system for charging a vehicle, and a vehicle

A vehicle charging interface unit for connecting a battery unit of a vehicle to a charging cable, the charging interface unit comprising a connection device establishing electric connection between the charging interface unit and the battery unit and two or more connectors for connecting the charging cable to the charging interface unit, wherein the charging interface unit further comprises a mechanical blocking device, configured to allow access to only one of the two or more connectors.. . ... Volvo Car Corporation

03/15/18 / #20180073412

Combined heat exchanger and exhaust silencer

The present invention relates to a combined heat exchanger and exhaust silencer for a vehicle, comprising a bypass valve configured to: in a first state, allow a flow path for exhaust gas to be open from an inlet to an outlet via an at least partly perforated bypass pipe, and in a second state, close said flow path, whereby at least a main portion of said exhaust gas is forced through a second flow channel comprising a heat exchanger pipe. The second flow channel is formed by an annular space between an at least partly perforated second pipe and an at least partly perforated third pipe. ... Volvo Car Corporation

03/08/18 / #20180068559

Method and system for enabling a vehicle to discard non-pertinent road sign information

A method performed by a sign pertinence receiving system is disclosed for enabling a first vehicle to discard non-pertinent road sign information. The first vehicle is configured to present extracted sign information within the vehicle and/or adapt a vehicle function based on detected sign information. ... Volvo Car Corporation

03/01/18 / #20180061226

Method and system for establishing whether a road section is suitable for autonomous vehicle driving

A suitability determining system for establishing whether a road section is suitable for at least semi-autonomous vehicle driving is described. The system identifies a road section including at least one lane and delimited by at least one lateral road boundary, and derives from at least a first estimate providing vehicle a respective utilization direction estimate along with a corresponding respective detection confidence value for each of respective lanes detected by the estimate providing vehicle along the road section. ... Volvo Car Corporation

03/01/18 / #20180059670

Method of road vehicle trajectory planning

The present disclosure relates to a method of trajectory planning for maneuvers for an ego vehicle (e) equipped with a sensor systems, a prediction systems, a control system, and a decision-making system. The method includes determining possible lateral motion trajectories of a requested maneuver, longitudinal safety critical zones which correspond to each of the determined possible lateral motion trajectories, a longitudinal motion trajectory of the requested maneuver, lateral safety critical zones which correspond to the determined longitudinal motion trajectory of the requested maneuver, and a lateral motion trajectory of the requested maneuver. ... Volvo Car Corporation

02/22/18 / #20180050734

Spare wheel cavity

The present disclosure relates to a spare wheel cavity for a vehicle. The spare wheel cavity is configured to store a collision-sensitive object and comprises a bottom wall and a side wall. ... Volvo Car Corporation

01/11/18 / #20180012493

Method and system for maintaining a database comprising reported traffic-affecting events

A method performed by a database managing system for maintaining a database comprising reported traffic-affecting events is provided. The system derives a position of a first vehicle supporting detection of vehicle surroundings and determines by comparing the vehicle position to positions of reported traffic-affecting events comprised in the database, that the first vehicle is approaching at least a first traffic-affecting event. ... Volvo Car Corporation

01/11/18 / #20180012486

Method for performing a real time analysis of traffic light related data

A method is described for performing a real time analysis of traffic flow control device related data using a plurality of vehicles connected in at least one vehicle cell network. The method compares position data from vehicles defining a traffic flow with received data for a traffic flow control device and geometry and topology data concerning a transport engineering construction related to the traffic flow control device to evaluate if a discrepancy can be detected between the geometry and topology data concerning the transport engineering construction and the traffic flow defined by the vehicles positions. ... Volvo Car Corporation

01/11/18 / #20180011551

Multi mode screen device for a vehicle and a method for providing a multi mode screen device in a vehicle

A multi mode screen device for a vehicle, the device including a display screen unit with a display screen. The display screen unit is configured to switch an operational state between a first operational mode related to a manual vehicle driving functionality and a second operational mode related to an autonomous vehicle driving functionality. ... Volvo Car Corporation

01/11/18 / #20180011052

Silicon carbide based field effect gas sensor for high temperature applications

A field effect gas sensor, for detecting a presence of a gaseous substance in a gas mixture, the field effect gas sensor comprising: a sic semiconductor structure; an electron insulating layer covering a first portion of the sic semiconductor structure; a first contact structure at least partly separated from the sic semiconductor structure by the electron insulating layer; and a second contact structure conductively connected to a second portion of the sic semiconductor structure, wherein at least one of the electron insulating layer and the first contact structure is configured to interact with the gaseous substance to change an electrical property of the sic semiconductor structure; and wherein the second contact structure comprises: an ohmic contact layer in direct contact with the second portion of the sic semiconductor structure; and a barrier layer formed by an electrically conducting mid-transition-metal oxide covering the ohmic contact layer.. . ... Volvo Car Corporation

01/11/18 / #20180009320

Power dissipating torque controller

A method and a system are described for controlling power dissipation in an electric drive system for a hybrid electrical vehicle including determining the stator current of an electrical machine providing a maximum achievable power dissipation in the electrical drive system and determining a maximum available braking torque of an electrical machine.. . ... Volvo Car Corporation

01/04/18 / #20180001927

Method and system for safe limiting of torque overlay intervention in a power assisted steering system of a road vehicle

Disclosed herein is a method and arrangement for safe limiting of torque overlay intervention in a power assisted steering system of a road vehicle having an autonomous steering function arranged to selectively apply a steering wheel overlay torque to a normal steering assistance torque. A wheel self-aligning torque (ƒr) of the road vehicle is modelled for a current vehicle velocity (ν) and pinion angle (δw). ... Volvo Car Corporation








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