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800results about "Steering parts" patented technology

Intelligent electric chassis configuration and fault-tolerant control method of intelligent electric chassis

The application discloses an intelligent electric chassis configuration and a fault-tolerant control method of the intelligent electric chassis, and relates to the technical field of electric chassis. The chassis configuration comprises a front axle centralized motor drive assembly, a rear axle distributed motor drive assembly, a front axle electronic hydraulic brake system, a rear axle electronic mechanical brake system and a chassis domain controller. The front axle centralized motor drive assembly comprises a centralized drive motor, a front wheel speed reducer and a drive half shaft which are sequentially connected. The rear axle distributed motor drive assembly comprises a left rear wheel end drive motor and a left rear wheel speed reducer which are sequentially connected, and a right rear wheel end drive motor and a right rear wheel speed reducer which are sequentially connected. The front axle electronic hydraulic brake system comprises a first main brake unit and a redundant brake unit. The rear axle electronic mechanical brake system comprises a second main brake unit. The chassis domain controller is used for controlling the centralized drive motor, the left and right rear wheel end drive motors, the first main brake unit, the redundant brake unit, the second main brake unit, a front axle steer-by-wire system, an intelligent suspension system and an intelligent tire. The application can improve the chassis safety and fault-tolerant capability to support high-level automatic driving functions.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI

Vehicle

This vehicle includes a lane keeping assistance system and a control device which controls steering of the vehicle, wherein the control device divides a width of a lane in which the vehicle travels into a plurality of virtual lanes and controls the vehicle so that the vehicle travels in one virtual lane among the plurality of virtual lanes. The control device controls the vehicle so that a traveling position of the vehicle is returned to an inside of the one virtual lane when the vehicle traveling in the one virtual lane is about to deviate from the inside of the one virtual lane.
Owner:HONDA MOTOR CO LTD

Chassis dynamometer and method of controlling chassis dynamometer

A steering model controller in a chassis dynamometer of the disclosure executes a turning determination process of determining whether a driving state of a vehicle is a steering / turning state or a driving straight state based on comparison results between a turning radius for determination and turning radii for comparison calculated based on left steering angle information and right steering angle information. Then, the steering model controller executes a turning control process as a roller control process to be executed in determining that the vehicle is in the steering / turning state. The turning control process is a process of outputting, to a roller driving mechanism, four roller driving commands at which four rollers adapt to the steering / turning state of the vehicle and are rotationally driven.
Owner:TMEIC CORP

Parking assistance device

A parking assistance device for assisting automatic parking of a vehicle includes a determination unit, an obstacle acquisition unit, a prediction unit, and a notification unit. The determination unit determines a parking area for the automatic parking. The obstacle acquisition unit acquires an obstacle around the determined parking area before the automatic parking. The prediction unit predicts an openable amount, by which a door of the vehicle is openable, based on a detection result of the obstacle acquisition unit when the vehicle is to be automatically parked in the determined parking area. The notification unit notifies the openable amount predicted by the prediction unit.
Owner:DENSO CORP

Method and system for quantifying and managing steering command response delays for autonomous vehicles

A method and system quantifies and manages a steering command response delay for an autonomous vehicle. The system enables the method to determine a lag time between issuing a control command and an angle at which the command is implemented for a plurality of predetermined vehicle speeds. For each of a plurality of predetermined vehicle speeds, a predetermined number of lag times is averaged. The average lag time is weighted, wherein a more current lag time has a higher weight than a less current lag time. The average time lag is used to improve the response of the vehicle and detect health issues of the vehicle steering system.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Determining pose for driving operations

Techniques are described for determining a set of pose information for an object when multiple sets of pose information are determined for a same object from multiple images. An example driving operation method includes obtaining, by a computer located in a vehicle, at least two sets of pose information related to an object located on a road on which the vehicle is operating, where each set of pose information includes characteristic(s) about the object, and where each set of pose information is determined from an image obtained by a camera; determining at least two weighted output vectors; determining, for the object, a set of pose information that are based on a combined weighted output vector that is obtained by combining the at least two weighted output vectors; and causing the vehicle to perform a driving-related operation using the set of pose information for the object.
Owner:CREATEAI INC

Sensor Arrangement and Method for Detecting a Rotational Movement of a Body that can Rotate About a Rotational Axis

A sensor arrangement for acquiring a rotational movement of a body that can rotate about a rotational axis has at least three angle sensors and at least one evaluation and control unit. The at least three angle sensors each acquire the mechanical rotational movement of the rotatable body with a predefined transmission ratio and generate a corresponding electrical angle signal and output said angle signal to the at least one evaluation and control unit. The at least three angle sensors have different transmission ratios. The at least one evaluation and control unit are designed to determine a first angle of the rotatable body with a first uniqueness range by way of a first nonius calculation that is based on two electrical angle signals of the at least three electrical angle signals. The first uniqueness range of the determined first angle is greater than uniqueness ranges of the angle signals used for the calculation. The at least one evaluation and control unit is further designed to determine a second angle of the rotatable body with a second uniqueness range by way of a second nonius calculation that is based on the determined first angle and a further electrical angle signal of the at least three electrical angle signals. The second uniqueness range of the determined second angle is greater than the first uniqueness range of the determined first angle and a uniqueness range of the further electrical angle signal. Also disclosed is a method for acquiring a rotational movement of a body that can rotate about a rotational axis which can be carried out using such a sensor arrangement.
Owner:ROBERT BOSCH GMBH

Electric boat running on land

An electric boat running on land is similar to a boat in water in appearance, is an electric entertainment apparatus, is suitable for being used in occasions such as amusement parks and parks, and is characterized in that the electric boat running on land is realized by utilizing two universal wheels and two driving wheels at the bottom of the boat, and the electric boat is controlled to run in two ways, namely, paddle rowing and supporting rod supporting; according to paddle rowing, paddles on the boat are used for simulating the action of rowing in water to control the boat, the paddles do not make contact with the road surface, only the boat is controlled to go straight, stop, turn left and turn right, power is not provided for driving of the boat, and a gear speed increasing type power generation device is arranged in a paddle assembly. The supporting rod boat supporting means that a matched supporting rod is used for simulating the action of supporting the boat in water to control the boat, the probe end of the supporting rod makes contact with the road surface, the supporting rod boat supporting only controls the boat to go straight, stop, turn left and turn right instead of providing power for driving of the boat, and a resistance type pressure sensor is arranged in a supporting rod assembly.
Owner:张克军

Paddy field bionic walking device

The invention discloses a bionic walking device for a paddy field, and belongs to the technical field of agricultural machinery. The walking device comprises a rack, a transmission mechanism, a power system and four mechanical legs, the lower portions of the two sides of the rack are each provided with two mechanical legs, and each mechanical leg comprises a leg mechanism and a sole assembly; a power system is arranged on the machine frame and transmits power to the leg mechanisms through a transmission mechanism, and lifting and falling of the leg mechanisms are achieved. The foot sole assembly comprises a supporting palm, a middle toe and two side toes, when the leg mechanism drives the supporting palm to fall, the side toes on the two sides are opened, the contact area with mud soil is increased, and the walking device is prevented from sinking; when the leg mechanism drives the supporting palm to lift up, the side toes on the two sides contract, and the resistance between the foot sole and mud soil is reduced. The problems that a common walking mechanism is large in walking resistance and difficult to turn in the muddy soil environment of the paddy field, the soil environment of the paddy field is damaged, and seedlings are pressed and damaged are solved.
Owner:SHENYANG AGRI UNIV

Magnetic sensors and braking and steering systems that use magnetic sensors

This invention provides a magnetic sensor that is cost-effective and highly sensitive. The magnetic sensor (1) of this invention comprises: a magnetic field detection element (2); and a plurality of magnets (3A-3C) arranged separately from each other in a first direction (X) and movable relative to the magnetic field detection element (2) in the first direction (X). The plurality of magnets (3A-3C) have a first surface (6A-6C) opposite to the magnetic field detection element (2), and the plurality of magnets (3A-3C) are magnetized such that the first surfaces (6A-6C) of two adjacent magnets (3A-3C) have different polarities in a second direction (Y) intersecting the first direction (X). The magnetic sensor (1) further comprises: at least one soft magnetic body (4A-4C) disposed on the first surface (6A-6C) of at least one magnet (3A-3C).
Owner:TDK CORP

Display control device

To improve the visibility of a remote operator with respect to the image display of a display device for remote operation of a moving body when the moving body passes through an intersection.SOLUTION: A display control device is configured to control the image display of a display device for remote operation of a moving body by a remote operator. The display device includes a first screen that displays an intersection image captured by a camera installed at an intersection through which the moving body passes and imaging a traffic situation in an area of the intersection. The display control device includes a sensor that acquires intention information of the remote operator regarding right and left turns of the moving body, and a processor. The processor determines the shape of a course image indicating a planned course of the moving body in accordance with a traveling direction of the moving body in the intersection image and the intention information, and displays the course image in a superimposed manner on the intersection image while associating the course image with the moving body in the intersection image.SELECTED DRAWING: Figure 5
Owner:TOYOTA JIDOSHA KK

Method for personalized control of a parking assistance system, corresponding assistance system and correspondingly equipped motor vehicle

The invention relates to a method (16) for controlling a parking assistance system (7) of a motor vehicle (1). The parking assistance system (7) can issue a warning signal (15) to a driver (6) when approaching an obstacle (3, 4, 5) within a certain distance. In the method, driver data characterizing the respective driver (6) is recorded. Based on this driver data, a competence value is then determined, indicating the driver's (6) competence, at least with regard to parking maneuvers. Depending on the competence value, the behavior of the parking assistance system (7) is then adjusted. The invention also relates to a corresponding assistance system (7) and a correspondingly equipped motor vehicle (1).
Owner:VOLKSWAGEN AG

Parking assistance system

To provide a parking assistance system capable of appropriately performing a retreating operation when a loaded object on a vehicle is protruding backward.SOLUTION: A parking assistance system according to the present embodiment includes: rear-side imaging means having a function of imaging an upper side and a rear side away from a vehicle; detecting means that detects information on a loaded object on the vehicle by using an image captured by the rear-side imaging means; image display means that displays an image captured by the rear-side imaging means and presents a guide line for parking assistance in the image; and guide-line display control means that controls a display position in the image of the guide line, based on the information on the loaded object detected by the detecting means.SELECTED DRAWING: Figure 5
Owner:CANON KK

Driving assistance device

A driving assistance device is provided with: a vehicle-mounted sensor including a sensor for acquiring the position and orientation of a host vehicle with respect to a lane on which the host vehicle is traveling, and a sensor for acquiring the vehicle speed of the host vehicle; and a processor configured so as to be able to execute lane maintenance processing for controlling the host vehicle so that the host vehicle travels along the lane. The processor restricts execution of the lane maintenance processing under a trigger condition that a direction indicator lamp of the host vehicle starts to operate under a condition that the host vehicle is traveling in a first lane. When it is determined that a lane change to a second lane adjacent to the first lane has been completed, and a predetermined release condition for controlling the host vehicle so as to cause the host vehicle to travel along the second lane has been satisfied, the lane change to the second lane is completed. The operation of the direction indicator light is stopped and the restriction of the execution of the lane maintenance processing is released.
Owner:TOYOTA JIDOSHA KK

Vehicle control device, vehicle control method, and program thereof

To provide a vehicle control apparatus, a vehicle control method, and a program thereof which are able to more appropriately control an own vehicle for a specific situation.SOLUTION: A vehicle control apparatus (DS) includes: a first control system (11) which executes first operation for reducing a possibility of a collision with an obstacle present in a predicted traveling area of an own vehicle; and a second control system (12) which executes second control for automatically stopping the own vehicle when a driver is in an abnormal condition where the driver cannot drive the own vehicle normally. The apparatus is configured in such a manner that "first operation start condition during non-execution of the second control" which needs to be satisfied for starting execution of the first operation when the second control is not being executed, and "first operation start condition during execution of the second control" which needs to be satisfied for starting execution of the first operation when the second control is being executed, are different from each other.SELECTED DRAWING: Figure 1
Owner:TOYOTA JIDOSHA KK

Ar display device for vehicle and method for operating same

An Augmented Reality (AR) display device interoperating with a vehicle and a method for operating the same are disclosed. An AR display device according to the present disclosure can provide an intuitive AR route to a parking available area or charging available area in a parking lot or charging station based on Advanced Driver Assistance Systems (ADAS) sensing data of a vehicle and / or control data of a parking lot / charging station. It is recognized that the vehicle has arrived in from of a selected parking space or charger, and an AR graphic interface can be changed in real time to sequentially guide forward driving, a change point to reverse driving, and reverse driving to the vehicle in correspondence to a current driving state of the vehicle, such that the vehicle can be parked accurately in the parking space or in front of the charger.
Owner:LG ELECTRONICS INC

Vehicle control device

A vehicle control device, which reduces intervention in automatic parking by a driver, includes a processor and a memory, that control the vehicle to a target parking position. The vehicle control device includes an obstacle detection unit detecting a position of an obstacle around the vehicle, a travelable region setting unit that determines a region where the vehicle may travel based on the position of the obstacle, and sets the target parking position within the travelable region, a route generation unit that calculates a travel route to the target parking position within the travelable region, and an automatic parking execution unit that causes the vehicle to automatically travel toward the target parking position. When a driver intervenes during the automatic traveling, the route generation unit stores vehicle state information at the time of the intervention, and resets the travelable region based on the driver operation intervention information.
Owner:ASTEMO LTD

Control system and method for a vehicle

A control system (200) is described for controlling a suspension system of a vehicle (1). The control system comprises one or more processors collectively configured to receive (A3) an angle of steer, determine (A4) whether to adjust one or more suspension parameters of a wheel of the vehicle (1) in dependence on the received angle of steer being greater than an angle threshold, and output (A6) a control signal to adjust the one or more suspension parameters in dependence on the determination. In this way, at or near full steering lock (when the angle of steer exceeds the angle threshold), the suspension system is adjusted via the control signal to avoid or at least reduce the likelihood of contact between over-size wheels and the body. The adjustment is not required at lower steering angles, when the risk of contact is lower.
Owner:JAGUAR LAND ROVER LTD

Control device and motion control system

The present invention provides a control device that can provide necessary notifications to the user while suppressing excessive notifications that may cause inconvenience. The control device (30) includes: a retry determination unit (32b) that determines whether to perform retry control based on the current position of the vehicle (2) and the target parking position when the vehicle (2) moves toward the target parking position by automatic steering; and a notification control unit (32c) that sends a retry notification to a terminal device (3) based on the determination result of the retry determination unit (32b). If it is determined that retry control should be performed after at least part of the vehicle (2) has reached the target parking position, the notification control unit (32c) sends a retry notification to the terminal device (3); if it is determined that retry control should be performed before at least part of the vehicle (2) has reached the target parking position, the notification control unit (32c) does not send a retry notification to the terminal device (3).
Owner:HONDA MOTOR CO LTD

Vehicle incremental movement system

A system includes a computer having a processor and a memory storing instructions executable by the processor to: receive at least one discrete input within a predetermined time period from a human-machine interface while the vehicle is at a standstill; and in response to the at least one discrete input, move the vehicle an incremental distance and returning the vehicle to a standstill.
Owner:FORD GLOBAL TECH LLC

An alignment aid assembly, structure and method of use

The application relates to the technical field of four-wheel positioning, and discloses a four-wheel positioning adjustment auxiliary assembly, a structure and a use method. The four-wheel positioning adjustment auxiliary assembly comprises a supporting cover plate, a through hole is arranged on the supporting cover plate, a push column slides along the through hole, a push block is fixed on the push column, a variable-diameter sleeve is sleeved on the push column, and a locking structure is used for locking the position of the push column in the through hole. The variable-diameter sleeve of the auxiliary assembly adjusts the position of the eccentric bolt, changes the posture of a multi-link suspension upper plate swing arm assembly, adjusts the wheel inclination, the position of the eccentric bolt is determined by the top holding and limiting of the variable-diameter sleeve, the eccentric bolt cannot swing towards the recovery position, and the adjustment precision is high.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Lane centering control method and device, vehicle and medium

The embodiment of the invention provides a lane centering control method and device, a vehicle and a medium, and is applied to the technical field of vehicle automatic driving. The method comprises the steps that the current transverse deviation and the current course angle deviation of the vehicle relative to the current road track are acquired; according to the current transverse deviation and the current course angle deviation, a target steering wheel turning angle is determined, and lane centering control is conducted on the vehicle according to the target steering wheel turning angle. According to the embodiment of the invention, the target steering wheel turning angle is determined according to the current lateral deviation and the current course angle deviation, and then lane centering control is performed on the vehicle according to the target steering wheel turning angle, so that the problems that lane centering control is too complex, not fast enough, not accurate enough and poor in stability are solved, the complexity of lane centering control is reduced, and the lane centering control efficiency is improved. And the response speed, accuracy and stability are improved.
Owner:BYD CO LTD

Driving assistance device, driving assistance method, and program

A driving assistant apparatus 1 includes a parking row recognition section 11, 12, 13A which recognizes a parking slot(s) PL and / or a parked vehicle(s) VL around an own vehicle 100 and recognizes a parking row PR in which the number of the recognized successive parking slot(s) PL and / or parked vehicle(s) VL is equal to or greater than a predetermined first threshold number, a parking lot staying determination section 16 which determines whether or not the own vehicle 100 is present in a parking lot P having the parking row PR, an erroneous operation determination section 17 which obtains an operation state of an acceleration operation element and determines, on the basis of the operation state, whether or not an occupant has performed an erroneous operation of erroneously stepping on the acceleration operation element, and a control section 18 which executes driving power reduction control of reducing driving power of the own vehicle 100 when the parking lot staying determination section 16 determines that the own vehicle 100 is present in the parking lot P and the erroneous operation determination section 17 determines that the occupant has performed the erroneous operation.
Owner:TOYOTA JIDOSHA KK

Position identification method, device, equipment, medium and product of vehicle rear rotating screw rod

The invention discloses a position identification method, device and equipment for a vehicle rear rotating lead screw, a medium and a product. The method comprises the following steps: in response to a position identification request for a backward rotating screw rod of a target vehicle in a current vehicle ignition period, acquiring current position information of the backward rotating screw rod acquired by a screw rod position sensor deployed on the target vehicle; acquiring current displacement information of the backward rotating screw rod acquired by a screw rod displacement sensor deployed on the target vehicle; determining a midpoint deviation value of the backward rotating screw rod and a linear deviation value of a screw rod position sensor; if it is determined that the backward rotation lead screw meets a preset position identification judgment condition according to the current position information, a lead screw gap difference value of the backward rotation lead screw is obtained, and target displacement information of the backward rotation lead screw is determined according to the current displacement information and the lead screw gap difference value; and according to the midpoint deviation value, the linear deviation value, the target displacement information and the current position information, the position recognition result of the backward rotation lead screw in the current vehicle ignition period is determined.
Owner:SUZHOU HENGLU AUTO PARTS CO LTD