117results about "Non-mechanical steering control" patented technology

There are provided a position calculator that determines a position of working equipment included in a work machine, a display that displays a route image corresponding to a route through which the working equipment moves, and a display processor that causes, on the basis of a position of the route and a position of the working equipment determined by the position calculator, the display to display the route image corresponding to a portion of the route that is shielded by the working equipment with a predetermined position serving as a viewpoint in a form different from the route image corresponding to a portion of the route that is not shielded by the working equipment.

A drive unit for a steer-by-wire system for a vehicle having a motor for providing a drive power to a control rod of the wheel actuator. A sensor device determines the position of the control rod, wherein the sensor device has a first sensor unit and at least one second sensor unit. The first sensor unit is designed to detect an angle of a rotor shaft of the motor, and the second sensor unit is designed to detect an angle of an auxiliary shaft which is mechanically operatively connected to the rotor shaft. A transmission device provides the mechanical operative connection between the rotor shaft and the auxiliary shaft. A controller actuates the sensor device and / or determines the position of the control rod of the wheel actuator. The first sensor unit and second sensor unit use different measuring principles.

A steering control device includes: a target steering corresponding value calculation unit that calculates a target steering corresponding value so that the ratio of the amount of change in steered angle to the amount of change in amount of operation of an operating member becomes greater than 1; a control signal generation unit that generates a control signal; and a mode switch unit that switches a control mode. The mode switch unit performs: an operation determination process of determining whether an operation condition for detecting a valid operation performed on the operating member by a driver is satisfied during an autonomous driving control mode; and a mode switching process of switching the control mode to a manual driving control mode when the operation condition is satisfied. The operation determination process includes a process of determining an unintended operation by the driver to be invalid.

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.

Systems, methods, tangible non-transitory computer-readable media, and devices for operating an autonomous vehicle are provided. For example, the disclosed technology can include receiving state data that includes information associated with states of an autonomous vehicle and an environment external to the autonomous vehicle. Responsive to the state data satisfying vehicle stoppage criteria, vehicle stoppage conditions can be determined to have occurred. A severity level of the vehicle stoppage conditions can be selected from a plurality of available severity levels respectively associated with a plurality of different sets of constraints. A motion plan can be generated based on the state data. The motion plan can include information associated with locations for the autonomous vehicle to traverse at time intervals corresponding to the locations. Further, the locations can include a current location of the autonomous vehicle and a destination location at which the autonomous vehicle stops traveling.

A method and apparatus for installing a monitoring cable or other utility near an existing pipeline. An electromagnetic signal may be induced on the pipeline, either directly, or by transmitting a signal from a vehicle carrying a sensor array. The sensors disposed on the vehicle communicate with a processor to determine a distance and orientation of the vehicle relative to the pipeline. The signal may be electromagnetic, acoustic, capacitive, or the like. A plow or other digging tool may be on the vehicle or a secondary vehicle. Such a digging tool opens a trench and installs the cable along a path disposed next to the pipeline within an acceptable distance range from the pipeline. The vehicle may be remotely or automatically operated.

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 invention discloses a method, device and equipment for remotely controlling vehicle steering and a storage medium, and the method comprises the steps: obtaining the state of an electric power steering system, the vehicle speed, the torque of a steering wheel and the state of an angle sensor when a steering signal of remote control equipment is received; determining whether the state of the electric power steering system, the vehicle speed, the torque of a steering wheel and the state of an angle sensor meet preset conditions or not, and if yes, determining a target steering angle based on the steering signal; acquiring a current actual steering angle based on the steering angle sensor, and determining a target steering wheel rotating speed based on the current actual steering angle and the target steering angle; acquiring a current actual steering wheel rotating speed, and determining a target steering motor torque based on the current actual steering wheel rotating speed and the target steering wheel rotating speed; and based on the target steering motor torque, a motor of the electric power steering system is controlled, so that steering of the vehicle is completed. The steering of the vehicle is controlled more accurately, and better control experience is provided for a driver.

[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 present invention relates to a free-running transport vehicle for transporting at least one workpiece. According to the present invention, in addition to a control device, the free-running transport vehicle further comprises a near-field sensor arrangement that can be coupled to a trajectory control unit, wherein the trajectory control unit can determine the relative position of one or more points of the free-running transport vehicle with respect to one or more position information sources of the near-field driving environment based on position raw information measurable by the near-field sensor arrangement. By means of the trajectory control unit, the main orientation and the variable conveying direction of the transport vehicle can be matched with each other. The present invention also relates to a conveying system for transporting at least one workpiece, which comprises at least one such free-running transport vehicle; to a processing device, to a processing device comprising such a conveying system, and to a method implemented by the trajectory control unit.

A computer-implemented method, system, and / or computer program product controls a driving mode of a self-driving vehicle (SDV). One or more processors compare a control processor competence level of an on-board SDV control processor in controlling the SDV to a human driver competence level of a human driver in controlling the SDV while the SDV encounters a current roadway condition which is a result of current weather conditions of the roadway on which the SDV is currently traveling. One or more processors then selectively assign control of the SDV to the SDV control processor or to the human driver while the SDV encounters the current roadway condition based on which of the control processor competence level and the human driver competence level is relatively higher to one another.

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).

The invention relates to a method for operating a lane guidance aid for a vehicle, comprising the following steps: activating automatic lateral guidance of the vehicle, a steering torque being applied by means of a steering system during the activated lateral guidance; deactivating the automatic lateral guidance if at least one predetermined deactivation event is detected, the applied steering torque being reduced for a predetermined deactivation duration at the time of deactivation; checking whether at least one deactivation event resulting in deactivation of the automatic lateral guidance is a driver intervention initiated by the driver of the vehicle; and if the deactivation event is a driver intervention, reducing the deactivation duration to a reduced deactivation duration.

The invention relates to a drive unit (100) for a wheel actuator of a steering-by-wire system (S) of a vehicle (F), comprising:-a motor (10) for providing drive power for a control lever of the wheel actuator; a sensor device (20) for determining a position of the control lever (101), the sensor device (20) having a first sensor unit (21) and at least one second sensor unit (22), the first sensor unit (21) being designed to detect an angle of a rotor shaft (11) of the motor (10), and the second sensor unit (22) being designed to detect an angle of the rotor shaft (11) of the motor (10). The invention relates to a wheel actuator (110) comprising a rotor shaft (11), a sensor device (20) for detecting an angle of an auxiliary shaft (12) arranged in mechanical operative connection with the rotor shaft (11), a transmission device (30) for providing mechanical operative connection between the rotor shaft (11) and the auxiliary shaft (12), and a control device (40) for actuating the sensor device (20) and / or for determining a position of a control lever (101) of the wheel actuator (110), the first sensor unit (21) and the second sensor unit (22) have different measurement principles.

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

The invention relates to a computer-implemented method for detecting a steering wheel intervention status of a driver of a motor vehicle, wherein the motor vehicle has at least one automated driving function intervening in a steering arrangement of the motor vehicle, wherein the steering torque in the steering assembly is detected and a steering torque signal is generated from same, wherein, in a first branch, a steering torque shift is determined from the steering torque signal, wherein an adaptive Kalman filter is used, the adaptive Kalman filter using the steering torque signal and the steering torque shift as measured values and filtering out the steering torque shift from the steering torque signal in order to determine a steering torque estimated value, wherein the steering torque estimated value is compared with at least one threshold value, and the comparison is used to determine whether the driver intervenes in the steering assembly.

To provide a steering which can achieve quick and adventurous control in a delicate manner.SOLUTION: There is provided a steering member 1 which is fixed to a tip of a steering shaft for making a driver rotate a steering shaft, in a vehicle where a steering shaft and a steering axis are not directly coupled, or in a remote controller or simulator of such a vehicle. The steering member 1 has: a hub 2 fixed to the tip of the steering shaft; a spoke 3 is fixed from the hub 2 in a horizontally symmetric manner, so as to be visually recognized in a horizontal line shape, reversed U-shape, reversed V-shape, U-shape, V-shape, M-shape, or W-shape in an advance state of the vehicle; and grips 4 on both ends of the spoke 3. The grip 4 is formed in a spherical shape and in a size which allows a driver to easily perform driving while gripping the grip so as to wrap the grip by the driver's palms, from upper, lower and lateral sides, in the advance state of the vehicle.SELECTED DRAWING: Figure 1

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.