62results about "Non-mechanical steering control" patented technology

[Problem] To provide an art capable of appropriately performing an operation using a remote operation device in a work vehicle provided capable of automated traveling. [Solution] An exemplary work vehicle includes: a vehicle main-body provided capable of automated traveling in which at least steering is automatedly performed; and a remote operation device configured to operate the vehicle main-body, in which the vehicle main-body starts turning by the automated traveling by performing a first operation of instructing a turning direction and a second operation subsequent to the first operation in the remote operation device.

The invention discloses a steering control device and an automatic driving system, the steering control device comprises a first device main body and a second device main body, the first device main body comprises a first rotating part and a first fixing part, and the first rotating part is movably arranged on the first fixing part; the second device body comprises a second rotating part, a second fixing part and a driving assembly, the second rotating part is movably arranged on the second fixing part, and the second rotating part is in transmission connection with the driving assembly; when the first device body and the second device body are detachably connected to form an annular structure arranged around the rotating shaft in a combined mode, the first rotating part and the second rotating part are combined to form a rotating body, the rotating body is fixedly connected with a steering wheel, and the first fixing part and the second fixing part are combined to form a fixing body. The fixed body is fixedly arranged below the steering wheel, and the rotating body rotates relative to the fixed body under transmission of the driving assembly so as to drive the steering wheel to rotate around the rotating shaft. According to the technical scheme, the installation efficiency of the steering control device is improved.

The utility model relates to a vehicle controller and a vehicle steering zero marking system, which can be used for conveniently carrying out zero marking operation on a steering system of a vehicle by one person and improving the operation efficiency. The vehicle controller remotely controls a steering system of a vehicle, the steering system is provided with wheels, a driving source for driving the wheels to steer, and a control unit for controlling the driving source, the control unit comprises a detection part for detecting the steering angle of the wheels based on the zero position of the control unit, and the vehicle controller is provided with a controller main body; the direction operation part is arranged on the controller main body and is operated to send a steering instruction to the control unit so as to drive the driving source through the control unit, so that the wheels are steered; and the zero marking operation piece is arranged on the controller main body and is operated to send a zero marking instruction to the control unit so as to carry out zero marking operation.

The invention relates to a method for operating a steer-by-wire steering system of a non-track-bound vehicle, wherein a steering request, produced by an actuation of a steering handle by means of a vehicle occupant, is detected and, on the basis of the actuation of the steering handle, a wheel angle is set on at least one vehicle wheel via a toothed rack of a steering gear. The method has the following steps: - detecting an at least temporarily specified lane, - determining whether a correction of the wheel angle of the vehicle wheel is necessary in order to stay on the detected lane, and - if it is determined that a correction of the wheel angle is necessary in order to stay on the lane, adjusting the wheel angle, independently of the actuation of the steering handle, in order to stay on the lane.

The invention relates to a method for operating a steering device (3) having at least one steering column (5) with an actuatable steering handle (7), a steering column sensor (9) associated with the steering column (5), an actuatable drive (11) and a displaceable rack (13), the rack (13) is or can be connected to at least one steerable wheel (17) of the motor vehicle (1) for steering the motor vehicle,-a drive parameter value (21) is determined on the basis of a predefined motor vehicle trajectory (29),-a steering column parameter value (19) is determined on the basis of a signal of the steering column sensor (9), a displacement speed (23) of the rack (13) is determined on the basis of the drive parameter value (21), the steering column parameter value (19) and a predeterminable speed threshold value (25), a first displacement speed (23.1) of the rack (13) and a first steering column parameter value (19.1) are detected at a first point in time, the first displacement speed (23.1) and the first steering column parameter value (19.1) are compared with each other, and the first displacement speed (23.1) and the first steering column parameter value (19.1) are determined at a second point in time. And changing or setting the predefinable speed threshold value (25) within a predetermined time period after the first time point on the basis of the comparison (27).

An autonomous driving control device includes a steering determination unit that determines whether a driver has operated a steering unit while driving with an actuator controlled in a first control mode, an operation speed calculation unit that calculates at least one of a deviation speed, which is the change rate of deviation between a target steering angle during autonomous driving and an actual steering angle, and a steering speed, which is the change rate of the actual steering angle, and a control mode switching unit that, when it is determined that the driver has operated the steering unit, changes an instruction value to be output to the actuator from a first target control amount in the first control mode to a second target control amount in the second control mode at a change rate corresponding to at least one of the deviation speed and the steering speed described above.

To allow a user to operate movement of a movable body with a portable terminal in the movable body where the user can get in, but no driver seat is provided.SOLUTION: A movable body operation system includes a portable terminal having communication connection to a movable body in which a user can get. The movable body operation system further includes: an inclination detection unit which detects an inclination direction and an inclination angle of the portable terminal; a movement setting unit which sets a travel direction of the movable body based on the inclination direction of the portable terminal and sets a target speed or a target acceleration of the movable body based on the inclination angle of the portable terminal; and a movement control unit which controls steering of the movable body based on the travel direction and controls a speed of the movable body based on the target speed or the target acceleration.SELECTED DRAWING: Figure 5

A steering control device includes a control circuit that controls driving of a reaction force motor that generates steering reaction force that is given to a steering wheel, dynamic power transmission being not performed between the steering wheel and a turning wheel of a vehicle. The control circuit requests a vehicle control device to stop operation of a powertrain in a case where a vehicle electric power source has been turned on and where exchange of information has been performed with the vehicle control device so as not to follow a preset pattern. The vehicle control device controls traveling of the vehicle. The powertrain includes a traveling drive source of the vehicle.

A steering assist device that controls steering to keep a vehicle in a lane includes one or more processors, and one or more storage media storing a program executed by the one or more processors. The program includes one or more instructions that cause the one or more processors to execute a control torque calculating process that calculates a steering control torque corresponding to a steering wheel angle determined in accordance with a traveling condition; a determining process that determines whether an override, which is a driver's steering action during steering assist, has occurred; a torque limit calculating process that calculates a limit value for the steering control torque based on the traveling condition; and a torque instruction process that limits, upon the override, the calculated steering control torque with the calculated limit value and gives the limited steering control torque as an instruction to a vehicle's steering mechanism.

The disclosure relates to a steering control angle compensation method for compensating for a steering control angle for lane keeping considering characteristics of a vehicle, and a lane keeping control device.

A radio-controlled vehicle includes a frame, a powertrain, a control system, a kinetic unit movable on a support plane, and a remote control. The frame has a first longitudinal member and a second longitudinal member, and one or more crossmembers. The vehicle has an adjustment system having a drive unit, which is fixed to a respective crossmember, a rod and a sliding member, which is fixed to a respective kinetic unit. The rod is fixed at a first end to the drive unit and at a second end to the sliding member. The rod is configured to transmit to the sliding member the motion generated by the drive unit.

Automatic steering system for guiding an agricultural vehicle (10) across a field on which a track (56) was left during a previous work operation, wherein the steering system comprises a camera (32) looking at the track, an image processing system (36) for processing image signals from the camera (32), and a steering control (34) to which a position signal generated by the image processing system (36) with respect to a detected position of the track (56) can be supplied, and the image processing system (36) is programmed to convert the image signal from the camera (32) into a binary image and to recognize the track (56) by means of a morphological operation applied to the binary image, in which it is checked at which points in the image a structural element (50) representing the track (56) fits exactly into,wherein the driving lane (56) consists of two depressions in the ground arranged at a predetermined distance and the structural element (50) consists of two approximately perpendicular lines (52, 54) or rectangles arranged at a lateral distance corresponding to the predetermined distance of the depressions in the image of the camera (32).

A vehicle includes a steering device, a torque sensor, and an electronic control unit. The steering device includes a rack shaft, a steering shaft, and a turning actuator including an electric motor connected to the rack shaft or the steering shaft via a motion conversion mechanism. The torque sensor is configured to detect a steering torque by a driver, the torque sensor being attached to the steering shaft. The electronic control unit is configured to switch from turning of the wheels by an automatic steering control to turning of the wheels based on at least a steering operation by the driver in a case where a torque detected by the torque sensor exceeds a torque threshold value during execution of the automatic steering control of the wheels. The torque threshold value is changed in accordance with a temperature of the motion conversion mechanism.

The invention relates to an electromechanical steering system (100) with an assistance device (102) for steering support, with a steering handle (104), with a steering angle sensor (106), with at least one steering axle (110), with an actuator (112), and with a steering control unit (114) which is configured to translate the detected steering angle into a wheel steering angle, wherein the actuator (112) is caused by means of the steering control unit (114) to adjust the wheel steering angle specified by the steering control unit (114), and wherein the steering control unit (114) is further configured to activate the assistance device (102) in the emergency or danger situation, which causes a decoupling of the wheel steering angle from the steering angle of the steering handle (104) by the actuator (112) changing or adjusting the wheel steering angle independently of the steering angle of the steering angle sensor (106).The steering control unit (110) is configured to monitor operation of the steering handle (104) during the activation of the assistance device (102), wherein the decoupling of the wheel steering angle from the steering angle of the steering handle (104) is released in several stages or continuously when a) a predefined torque or a predefined change in torque over time is detected by a torque sensor (108) assigned to the steering handle (104), or b) a predetermined change in steering angle over time is detected by the steering angle sensor (106). The invention also relates to a method for operating such a steering system (100) and a vehicle (200).

A method for operating a power steering system that has a steering handle via which a direction of travel of a vehicle can be influenced and which acts on a rack, the position of which determines the direction of travel, wherein the vehicle is in a state in which the direction of travel is specified using a requested trajectory which is provided; after detection of a fault in the power steering system, the rack is moved towards a zero position, the movement of the rack towards the zero position is terminated when the driver resumes control of the vehicle and an intervention occurs via the steering handle.

This invention provides a self-propelled full trailer that allows for trailer exchange in situations where space is limited, such as at existing transport platform transfer points, without requiring the tractor to move to the front of the trailer. [Solution] A full trailer 3 is towed by a tractor 1 by a drawbar 2, wherein the full trailer 3 is a self-propelled full trailer 3 consisting of an internal combustion engine or an electric vehicle, and is equipped with steering mechanisms 38 on its front wheels 33 and rear wheels 35 respectively to enable driving operations, and furthermore, the drawbar 2 can be attached to either the front or rear side of the self-propelled full trailer 3.

Systems, apparatus, articles of manufacture, and methods are disclosed to remove a steering wheel of a vehicle. As disclosed herein, a non-transitory computer-readable medium comprising instructions which, when executed, cause processor circuitry of a vehicle to: detect a request to remove a steering wheel from a steering system of a vehicle; verify a user identity based on a user profile, the user profile stored in a memory associated with the vehicle; determine whether a disengagement criterion is satisfied; and after the user identity is detected and the disengagement criterion is satisfied, disengage a lock to enable removal of the steering wheel from the steering system of the vehicle.

The utility model discloses a steering control device. The steering control device comprises a lower shell, an upper shell, a transmission ring and a driving assembly. Wherein the lower shell is fixedly arranged below a steering wheel and is provided with a containing groove; the upper shell is used for being fixedly connected with the steering wheel and covers a groove opening of the containing groove to form an annular containing cavity, and the two side walls, oppositely arranged, of the lower shell and the upper shell are arranged at intervals in the radial direction of the lower shell. The transmission ring is connected with the upper shell in a fastening mode, and the transmission ring is movably arranged on the lower shell and contained in the annular containing cavity. And the driving assembly is in transmission connection with the transmission ring, so that the transmission ring and the upper shell rotate relative to the lower shell under the transmission of the driving assembly to drive the steering wheel to rotate around the rotating shaft. According to the technical scheme, the transmission ring can be protected and is not prone to damage, and therefore the service life of the steering control device is prolonged.

A vehicle steering actuation device includes a power transfer coupling device configured to be coupled to a steering shaft within a steering column of a vehicle, the power transfer coupling device configured to be used in place of a vehicle steering wheel; an electric motor configured to rotate the power transfer coupling device to steer the vehicle, the electric motor being capable of producing sufficient torque for steering the vehicle so that a power steering assembly is not required to be operating; a control unit operatively coupled to the electric motor, the control unit configured to control the steering by controlling the electric motor based upon steering commands inputted to the control unit by a user; and an anti-rotation device configured to prevent the vehicle steering actuation device from rotating relative to an outer wall of the steering column when the steering shaft is being driven by the electric motor.

An agricultural field work vehicle includes a steered wheel, a steering mechanism including a steering tool to perform a steering operation to steer the steered wheel, an automatic steering controller configured or programmed to change between a non-controlling state in which the automatic steering is not performed and an automatic control state in which the automatic steering is performed and output at least one target steering parameter, and a steering driver to perform drive control on the steering mechanism based on the at least one target steering parameter when the automatic steering controller is in the automatic control state. The steering tool is configured to change a steering amount thereof in conjunction with the drive control by the steering driver. The automatic steering controller is configured or programmed to suppress the at least one target steering parameter in response to a change from the non-controlling state to the automatic control state.

The utility model discloses a steering control device which comprises a rotating body, a fixing body, a fastening assembly and a driving assembly, the rotating body is movably arranged on the fixing body, a fixing base is arranged on the side, away from the fixing body, of the rotating body, and the fixing base is located below spokes of a steering wheel. The fixing body is used for being fixedly arranged below the steering wheel. And the fastening assembly is used for realizing fastening connection between the rotating body and the steering wheel by fastening and connecting the fixing seat and the spokes. And the driving assembly is in transmission connection with the rotating body, so that the rotating body rotates relative to the fixed body under the transmission of the driving assembly to drive the steering wheel to rotate around the rotating shaft. According to the technical scheme, the application range of the steering control device can be widened, batch production of the steering control device is facilitated, and the manufacturing cost of the steering control device is reduced.

A midpoint correction device for performing midpoint correction of a steering torque sensor, which is applied to a vehicle provided with a EPS device that applies control torque to a steering transmission system between a steering wheel and a steered wheel, and a steering torque sensor provided in the steering transmission system, includes a control unit that includes a nonvolatile storage device and performs remote operation control of the vehicle, and the control unit stores the steering torque detected by the steering torque sensor in the storage device as a midpoint offset amount in a state where the remote operation control is performed, reads the midpoint offset amount from the storage device during traveling of the vehicle, and corrects the steering torque detected by the steering torque sensor with the midpoint offset amount, thereby performing midpoint correction.

The present disclosure relates to a steering control method and device, electronic equipment, storage medium and vehicle, and relates to the field of vehicles. The present disclosure first acquires actual steering angle information of the steering wheel in the case of determining that the electronic power steering system fails, and determines the current differential torque according to the current torque of two driving motors. Then, the steering takeover state of the vehicle is determined according to the differential torque and the actual steering angle information. Finally, in the case of the steering takeover state being the driver takeover vehicle steering state, the driving motor is controlled to steer the vehicle in response to the driving operation of the driver. According to the current differential torque and the actual steering angle information, the steering takeover state of the vehicle is accurately determined in the case of the electronic power steering system failure, the automatic driving mode and the manual driving mode are switched in time, the safety of the vehicle is improved, and the experience of the user is improved.

A remote operation device is a device for remote operation of a vehicle, and is provided with a notification device and one or more processors. The notification device notifies a remote operator of the vehicle by at least one of hearing, tactile, and visual. In a case where control operation information indicating that vehicle stabilization control for travel stabilization of the vehicle is in an operating state is received from the vehicle, the one or more processors control the notification device to make an operation notification to a remote operator indicating that the vehicle stabilization control is in the operating state. As a result, a remote operator can easily determine whether or not vehicle stabilization control is operating in a vehicle operated by the remote operator.

A common command and control architecture (alternatively termed herein as a “universal control architecture”) is disclosed that allows different unmanned systems, including different types of unmanned systems (e.g., air, ground, and / or maritime unmanned systems), to be controlled simultaneously through a common control device (e.g., a controller that can be an input and / or output device). The universal control architecture brings significant efficiency gains in engineering, deployment, training, maintenance, and future upgrades of unmanned systems. In addition, the disclosed common command and control architecture breaks the traditional stovepipe development involving deployment models and thus reducing hardware and software maintenance, creating a streamlined training / proficiency initiative, reducing physical space requirements for transport, and creating a scalable, more connected interoperable approach to control of unmanned systems over existing unmanned systems technology.

To provide a steering unit that enables autonomous steering, can be smoothly and readily attached to any of various types of steering wheels having various shapes, and is designed compactly as a whole so that even manual steering can be smoothly performed.SOLUTION: A steering unit includes a drive that operates a steering wheel having three spoke members, a follower that is an annular member fitted in the inside of the steering wheel in a plan view, and transmits a driving force of the drive to the steering wheel, and coupling fixtures that couple the follower to the steering wheel. The coupling fixtures are laid along the undersurfaces of the spoke members so that the coupling fixtures can couple the follower to the spoke members. Three coupling fixtures are included to be associated with the three spoke members.SELECTED DRAWING: Figure 6

A wireless remote control device of a disc type mechanical steering system comprises a stepping motor control circuit and a steering driving mechanism, and aims to replace a mode that a vehicle commander operates the wireless remote control device to control steering, and a mode that a driver operates a steering wheel to control steering. The stepping motor control circuit comprises a wireless remote controller, a wireless signal receiver, a single-chip microcomputer, a stepping motor driver, a stepping motor, a switch voltage-stabilized source and a wire. The steering driving mechanism comprises a rigid framework (17), and a stepping motor (5), a driving gear (13), a driven gear (14), a driving shaft (16), a clutch handle (18), a positioning bolt (19), a bearing A (20), a bearing B (21), a bearing C (22), a bearing D (23) and a shell which are mounted on the rigid framework (17), the rigid framework (17) is mounted on the steering shaft (15) through the bearings, and a fixing rod is mounted on the outer side of the rigid framework (17) and is fixed to a cab nearby.

The invention relates to a method for controlling a trajectory of a motor vehicle in a traffic lane, the method comprising a step (6) of determining an angle (50), referred to as the steering wheel angle, to be given to a steering system of the vehicle in order to follow the lane, the step (6) of determining the steering wheel angle (50) comprising a step (8) of calculating an angle (48), referred to as the guidance angle (48), using first information (52), the method further comprising a step (10) of acquiring second information (54) relating to an orientation of the lane, and a step (12) of defining a limitation rule (56) on the basis of the second information (54), the step (6) of determining the steering wheel angle (50) comprising a step (14) of correcting the guidance angle (48) in the event of non-compliance with the limitation rule (56).

The invention relates to a method for operating a steering system (2) of a vehicle (1), wherein - the steering system (2) is operated in an autonomous steering mode in which steering processes are carried out autonomously, or in a manual steering mode in which steering processes are carried out by a user (3), - the user (3) is identified when the steering system (2) is operated in the autonomous steering mode, and user information is established on the basis of the identified user (3), comprising: - establishing an assessment result by assessing a potential, immediately imminent steering intervention by the user (3) on the basis of the at least one item of user information, and - operating the steering system (2) by preconfiguring a steering controller (11) on the basis of the established assessment result, as a result of which the steering system (2) is prepared for a potential, immediately imminent manual steering intervention by the user (3) while in the autonomous steering mode. The invention also relates to an electronic steering system (2) and to a vehicle (1).