630results about "Power driven steering" patented technology

A system for data collection related to a fluid conveyance environment includes a data acquisition circuit comprising inputs and outputs; input sensors to provide sensor data values, coupled to a component in the fluid conveyance environment; and a processor comprising the data acquisition circuit. The processor is configured to determine a data storage profile; responsive to the data storage profile, configure the data acquisition circuit to selectively couple at least one of the inputs to at least one of the outputs; interpret the at least one of the sensor data values; store at least a portion of the at least one of the sensor data values in response to the data storage profile; analyze a set of the sensor data values and determine a data quality parameter; and adjust at least one of the data storage profile and a data collection routine in response to the data quality parameter.

Methods and systems for a monitoring system for data collection in an industrial environment including a data collector communicatively coupled to a plurality of input channels connected to data collection points operationally coupled to at least one industrial component in at least one of an industrial boiler system or industrial pipeline system; a data storage structured to store a library of stored noise patterns associated with operation of the at least one industrial component; a data acquisition circuit structured to interpret a plurality of detection values from the collected data; and a data analysis circuit structured to: analyze the collected data, determine a measured noise pattern for the at least one industrial component, and compare the measured noise pattern to the library of stored noise patterns to identify a changed condition of the at least one industrial component.

The invention relates to a planetary gear (10) for a planetary transmission (1), wherein a gear ring (12) of the planetary gear (10) has such elasticity that the gear ring (12) of the planetary gear (10) is designed to be radially spring-loaded simultaneously by a ring gear (14) and a sun gear (16), wherein the gear ring (12) of the planetary gear (10) is designed to form a double-flank contact with the ring gear (14) and the sun gear (16) in response to the radial spring-loading. The invention further relates to a steering gear for a steering system of a motor vehicle.

A spindle drive for a vehicle steering gear, including a spindle having an external thread and a spindle nut having an internal thread being guided on the external thread. One of the spindle and spindle nut is rotatable and produces a corresponding translational movement of the other. The other of the spindle and spindle nut is guided via a plain bearing along the axis of rotation relative to a fixed structural part. The plain bearing is formed between sliding surfaces of a first and second bearing part, the first being provided on the other of the spindle and spindle nut and the second being provided on the fixed structural part. One of the first and second bearing parts is designed as an elevation, the other being designed as a recess. The recess surrounds the elevation on both sides in a rotational direction.

A driver of an automatic guided vehicle includes a crown gear (turning gear) fixed to a bottom of a vehicle body, a support shaft penetrating a center of the crown gear and extending vertically from the vehicle body, a frame supported by the support shaft to be rotatable on a horizontal plane, a wheel axle rotatably and horizontally provided on the frame, and a wheel connected to the wheel axle. A first motor and a second motor, which are drive sources, and a first planetary gear mechanism and a second planetary gear mechanism are provided at both ends in an axial direction of the wheel axle, respectively. Each carrier of the first and second planetary gear mechanisms is connected to the wheel axle, and each ring gear of the first and second planetary gear mechanisms meshes with the crown gear.

The present invention relates to a reconfigurable steering feel design method and control system for steer-by-wire. The method includes: constructing a steering feel feedback model, the steering feel feedback model including an alignment torque module based on rack force observation, an assist torque module, a friction compensation torque module, a damping compensation torque module, an inertia compensation torque module, and a soft stop limiting torque module, and adding outputs of all modules to obtain a total expected steering feel motor torque; inputting signals of a steering wheel angle, speed and torque, an observed rack force and a vehicle speed into the designed steering feel feedback model to obtain the total expected steering feel motor torque, transmitting it to a steering feel motor, and outputting this steering feel feedback torque to a steering wheel through the steering feel motor; each module in the designed steering feel feedback model being provided with adjustable parameters. Compared with the existing technologies, the present invention incorporates the characteristics of reconfigurability, and can adapt to different steering wheel hardware characteristics and steering feel requirements by adjusting relevant parameters.

A vehicle control method includes the following steps. When a vehicle is in an autonomous driving mode, a first steering signal is received from a steering column of the vehicle. The first steering signal includes a first torque signal and / or a first steering angle signal. The holding information of a steering wheel of the vehicle is obtained, and the holding information indicates whether the steering wheel is held. Based on the first steering signal and the holding information, the vehicle is controlled to maintain or exit the autonomous driving mode.

Provided are a vehicle control method, a multi-purpose vehicle, and a garden work vehicle. The multi-purpose vehicle includes a drive mechanism, a control mechanism, and an auxiliary control mechanism. The auxiliary control mechanism includes: a control state sensing component, configured to determine a control state of a user with respect to the control mechanism; a traveling state sensing component, configured to determine the traveling state of the multi-purpose vehicle, the traveling state including a straight-line traveling state and a non-straight-line traveling state; and a calibration controller component, configured to determine that the multi-purpose vehicle is traveling abnormally in response to a mismatch between the traveling state and the control state. The calibration controller component is further configured to adjust, in response to determining that the multi-purpose vehicle is traveling abnormally, the operating state of the drive mechanism to match the traveling state with the control state.

According to several aspects, a method for controlling an electric vehicle is provided. The method may include adjusting an operation of one or more electric motors of the electric vehicle to induce a loss of traction of a first wheel of the electric vehicle on a first side of the electric vehicle. The method further may include adjusting an operation of an electric steering system of the electric vehicle to induce a yaw motion of the electric vehicle. A direction of the yaw motion is away from the first side of the electric vehicle.

To provide a vehicle control system which can suppress an influence of a driving support function on improvement of responsibility, even when it has a plurality of driving support devices.SOLUTION: A control device mounted on a vehicle includes: a reception part for receiving first requests including identification information of an application mounted on a plurality of driving support systems from the driving support systems; an adjustment part for adjusting the plurality of first requests; a calculation part for calculating second requests including the identification information, on the basis of the adjustment result by the adjustment part; and a distribution part for distributing the second requests, to the two or more actuator systems capable of acquiring the first requests without through the control device from the driving support systems.SELECTED DRAWING: Figure 2

An electro-hydraulic steering system comprises a hydraulic steering actuator and a hydro-mechanical steering unit for actuating the hydraulic steering actuator in response to a steering demand from a steering wheel connected to the hydro-mechanical steering unit by a steering shaft. An electric motor is operative to apply a torque to the steering shaft and is controlled to provide a haptic steering torque feedback to a user through the steering wheel. The motor is controlled to provide a haptic steering torque feedback that follows a predetermined profile compensating for the effects of a spring in the hydro-mechanical steering unit which opposes movement of the steering member. The motor may be controlled to provide haptic steering torque feedback during a dead band range of movement of the steering member before the hydro-mechanical steering unit begins supplying fluid to the steering actuator.

Selectively powered caster wheels for a maintenance apparatus are described. A motor attached to the caster wheel(s) can be selectively powered to apply force to the caster wheel. This force can be selected to overcome another force sensed at the maintenance apparatus, or to steer the maintenance apparatus on a desired course or direction. The caster wheels can be configured to orient along a direction of motion of the maintenance apparatus, in response to power from the motor or in response to the motion of the maintenance apparatus itself. In further embodiments, the motor(s) can be selectively activated or deactivated by an operator of the maintenance apparatus, in response to a remote control signal, or in response to an onboard or offboard controller of the apparatus.

Provided are a control apparatus of a four-wheel independent control vehicle (10) and a method thereof. The control apparatus of a four-wheel independent control vehicle includes a plurality of wheels (21-24) each installed with a steering device (150), a driving device (160), and a braking device (170), and a processor (110) configured to, when a failure occurs in any one steering device of the plurality of wheels, determine a location of a failed wheel, calculate an insufficient cornering force of the failed wheel, and compensate for the insufficient cornering force by controlling at least one of the steering device, the driving device, and the braking device installed on each of the plurality of wheels. Even though a failure occurs in the steering device of any one wheel, traveling performance can be maintained by compensating for an insufficient cornering force.

A vehicle control device includes: an input image acquirer that acquires an input image; a target steering amount calculator that calculates a target steering amount based on the input image; and a steering controller that manipulates an electric power steering to a positive side or a negative side based on the target steering amount. The target steering amount calculator is configured to execute: processing of recognizing a positive-side dividing line LP and a negative-side dividing line LN of the vehicle; processing of calculating at least either one of a positive-side area value between a neutral reference line L0 determined virtually and the positive-side dividing line LP, and a negative-side area value between the neutral reference line L0 and the negative-side dividing line LN; and processing of calculating the target steering amount based on at least either one of the positive-side area value and the negative-side area value.

Steer-by-wire steering system for a motor vehicle, comprising a housing (22, 122), a spindle (24, 124) with an external thread and a spindle nut (150) with an internal thread which is rotatably mounted in the housing (22, 122) in a fixed manner, wherein the external thread and the internal thread form a movement thread for the axial displacement of the spindle (24, 124) relative to the housing (22, 122) when the spindle nut (150) is rotated, wherein the spindle (24, 124) is mounted in an axially sliding manner relative to the housing (22, 122) at least indirectly by means of a bearing sleeve (170) at least in the region of one of its ends (124e). The invention is characterized in that a rigid bearing relative to the housing (22, 122) is provided by means of a first plain bearing (180) and a flexible bearing is provided by means of at least one further plain bearing (185), wherein the further plain bearing (185) is arranged between the first plain bearing (180) and the spindle nut (150) and has a lower radial rigidity than the first plain bearing (180).

Methods and systems for a data marketplace in a fluid conveyance device includes a self-organizing data marketplace. The self-organizing data marketplace includes at least one data collector and at least one corresponding fluid conveyance device in an industrial environment, wherein the at least one data collector is structured to collect detection values from the fluid conveyance device; a data storage structured to store a data pool comprising at least a portion of the detection values; a data marketplace structured to self-organize the data pool; and a transaction system structured to interpret a user data request, and to selectively provide a portion of the self-organized data pool to a user in response to the user data request.

A wheel assembly structure of a vehicle may include a wheel on which a tire of a vehicle is mounted, a rotor housing connected to the wheel to rotate with the wheel, a stator housing fixed to the vehicle, and configured to rotate the rotor housing by application of current, a wheel hub extending at a central portion of the wheel toward the vehicle inner side, a knuckle having a first end rotatably connected to the wheel hub, and a second end extending toward an inner side of the vehicle, a shock absorber connected to a second end of the knuckle, and configured to alleviate shock between the stator housing and the wheel, and an assembly bracket connected to the stator housing, coupled to an upper end and a lower end of the shock absorber, protruding toward the inner side of the vehicle.

An independent steering control device can include a processor configured to analyze whether a wheel is abnormal based on a steering angle of each wheel, and correct the steering angle of normal wheels except for an abnormal wheel that has a failure according to a result of the analysis, and a wheel controller configured to control steering of the wheel according to the steering angle of the wheel input from the processor.

To provide a drive module capable of efficiently performing attitude control of a moving body, and a moving body including the same.SOLUTION: According to an aspect of the present invention, there is provided a driving module including a wheel configured to rotate about a first rotation axis that is a virtual straight line extending in a first direction, a first frame having a fixed height relative to the wheel, a second frame configured to move relative to the first frame, a link unit configured to connect the first frame and the second frame, and a posture adjuster configured to adjust a posture of the driving module by controlling a movement of the link unit to change a position of the second frame relative to the first frame.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of robots, and discloses a robot wheel foot which comprises a large arm, a small arm and a walking wheel, a connecting base is arranged at the upper end of the large arm, a first motor is arranged on one side of the connecting base, a driving assembly is arranged between the large arm and the small arm, and a second motor is arranged on the other side of the connecting base. The shaft end of the walking wheel is connected with a walking power source, the lower end of the small arm is provided with a steering mechanism used for adjusting the walking angle of the walking wheel, and the walking power source is connected with the steering mechanism. The four-wheel robot walking mechanism comprises a robot support and four sets of robot wheel feet, the four sets of robot wheel feet are installed at the front end and the rear end of the two sides of the robot support through connecting bases, and every two adjacent sets of robot wheel feet are symmetrically distributed. The utility model has the beneficial effects of compact and stable structure, stable gravity center and flexible steering.

Steering control system (100) for providing steering assistance to an operator of a vehicle (10) when exiting a parallel parking space, comprising: a processor (102); and a memory (106) containing instructions which, when executed by the processor (102), cause the processor (102) to: to determine a first steering direction of the vehicle (10) based on a clue representing a direction of view of the operator of the vehicle (10) (302), wherein the direction of view of the operator represents a direction in which the operator intends to move the vehicle (10) in order to drive out of the parallel parking space; to determine a selected gear of the vehicle (10) (304); in response to the fact that the selected gear is ‘Driving’, to generate an initial steering control value based on the initial steering direction and the selected gear (306); to selectively control (308) the steering of the vehicle (10) based on the first steering control value, wherein the first steering control value causes the wheels of the vehicle (10) to turn into a first fully turned position in the first steering direction; in response to the fact that the selected gear is "Reverse", generate a second steering control value (404); and to selectively control the steering of the vehicle (10) based on the second steering control value (406), wherein the second steering control value causes the wheels of the vehicle (10) to turn into a second fully turned position in a second steering direction opposite to the first steering direction, so that the operator of the vehicle (10), who shifts the selected gear from "Drive" to "Reverse", causes the steering of the vehicle (10) to change from the first fully turned position to the second fully turned position, and the operator of the vehicle (10), who shifts the selected gear from "Reverse" to "Drive", causes the steering of the vehicle (10) to change from the second fully turned position to the first fully turned position.

Disclosed is a corner module apparatus for a vehicle. The corner module includes a knuckle coupled to a wheel bearing rotatably supporting a wheel, a drive motor, configured to generate a drive power, spaced a distance away from the wheel, a transfer shaft, disposed between the wheel and the drive motor, configured to transfer the drive power generated from the drive motor, a suspension connected to the knuckle and configured to absorb shock transferred from a road surface, and a steering system configured to support the drive motor and the suspension and to adjust a steering wheel of the wheel.

The present embodiments provide a wheel module and a vehicle having the same, the wheel module comprising: a steering knuckle rotatably coupled to a lower arm coupled to a vehicle body to steer a road wheel; a connecting rod having a lower end coupled to the upper end of the steering knuckle; a steering system attached to the vehicle body and coupled to the upper end of the connecting rod to steer the road wheel; a suspension system having one end coupled to the steering knuckle and the other end coupled to the connecting rod; a wheel drive system installed on the inside of the road wheel to provide rotational force to the road wheel; and a braking system installed on the inside of the wheel drive system to adjust the rotational speed of the road wheel.

Steering device (1) for steering a vehicle, comprising: an extendable steering rod (2) comprising a first and a second coaxially aligned partial rod (6, 7), characterized in that the first partial rod (6) is at least partially hollow and the second partial rod (7) is arranged at least partially axially displaceable within the first partial rod (6), wherein the steering rod (2) can be coupled to each of its axial end faces (8, 9) with a wheel (24, 26) of the vehicle; a first non-self-locking actuator (3) configured to displace at least the first section rod (6) in the axial direction; and a second self-locking actuator (4) configured to displace the second section rod (7) relative to the first section rod (6) in an axial direction; and a locking device (5) which is designed to fix the first actuator (3) in a predetermined position.

The present disclosure relates to a device for estimating a vehicle state variable of a host vehicle. The device comprises at least: a first sensor configured to detect a first yaw rate of the host vehicle; a second sensor configured to detect a velocity of the host vehicle; and a control unit configured to estimate the vehicle state variable. The control unit is further configured to estimate a second yaw rate of the host vehicle; to calculate a first gain to correct any difference between the first yaw rate and the second yaw rate; to calculate an interpolation ratio that changes with velocity; to calculate a second gain by applying the interpolation ratio to the first gain; and to estimate the vehicle state variable based on the second gain.

The invention relates to a steering actuator (1) for a rear axle steering system of a motor vehicle, comprising a drive motor (10), a belt drive (20), a transmission (30), and a braking device (40), wherein the transmission (30) is configured to convert a rotary motion of the drive motor (10), which is fed into the transmission (30) via the belt drive (20), into a translational motion of a threaded spindle (31), wherein the belt drive (20) comprises a first pulley (21), a second pulley (22), and a belt (23) encircling them, wherein the braking device (40) is configured to brake the second pulley (22), and comprising a stationary housing (41) which at least partially accommodates at least one contact element (42), at least one electromagnet (43), and at least one spring element (44), wherein the at least one spring element (44) is configured toto apply a spring force to the at least one contact element (42) in order to decelerate the second pulley (22) in a de-energized state of the at least one electromagnet (43), wherein the at least one electromagnet (43) in an energized state is configured to displace the at least one contact element (42) against the spring force in order to release a rotation of the second pulley (22).

A computer-implemented method for determining a robust steering control of a steering system controller is disclosed, comprising: determining a solution to a system of statements comprising an equals sign, a greater-than sign, a greater-than or equal-to sign, a less-than sign and / or a less-than or equal-to sign, wherein at least a first part of the statements can be written equivalently or substantially equivalently as a first symmetric matrix greater than or equal to zero, wherein the first symmetric matrix is ​​based on system parameters of a system of one or more differential equations for modeling a steering of the steering system or their discretization, wherein the first symmetric matrix is ​​based on one or more perturbation parameters acting on the system of one or more differential equations; and calculating the steering control based on the solution.A further method for manufacturing and / or dataing a controller of a steering system is disclosed, comprising calculating the steering control; and adjusting the controller based on the steering control, in particular wherein the steering control is adjusted in the controller.