918results 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.

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.

Disclosed is a corner module apparatus for a vehicle. The corner module includes a driving unit that provides drive power to a wheel of the vehicle, a braking unit that interferes with rotation of the wheel to generate braking power, and a suspension unit connected to the driving unit. The suspension unit absorbs shock transferred from a road surface. The corner module also includes a steering unit connected to the suspension unit and rotated about a steering axis inclined with respect to the wheel. The steering unit adjusts a steering angle of the wheel.

Systems for self-organizing data collection and storage in a refining environment are disclosed. An example system may include a swarm of mobile data collectors structured to interpret a plurality of sensor inputs from sensors in the refining environment, wherein the plurality of sensor inputs is configured to sense at least one of: an operational mode, a fault mode, a maintenance mode, or a health status of a plurality of refining system components disposed in the refining environment, and wherein the plurality of refining system components is structured to contribute, in part, to refining of a product. The self-organizing system organizes a swarm of mobile data collectors to collect data from the system components, and at least one of a storage operation of the data, a data collection operation of the sensors, or a selection operation of the plurality of sensor inputs.

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 present invention relates to an active ride height adjustment mechanism (2) for a vehicle, comprising a main support (5) for fastening the ride height adjustment mechanism (2) to a vehicle body, a height adjustment drive (6) for adjusting the ride height, a suspension arrangement (7), and a height adjustment lever (8) connected to the height adjustment drive (6) and the suspension arrangement (7). A first pivot connection (9) is provided between the height adjustment lever (8) and the suspension arrangement (7), and a second pivot connection (10) is provided between the height adjustment lever (8) and the height adjustment drive (6). The object of the invention is to provide a space-saving and less complex ride height adjustment mechanism.According to the invention, the pivot point of the height adjustment lever (8) is located at a third pivot joint (11) between the height adjustment lever (8) and the main support (5), wherein the third pivot joint (11) is arranged along the height adjustment lever (8) between the first pivot joint (9) and the second pivot joint (10). The invention also relates to a corner module (1) and a vehicle with such a ride height adjustment mechanism (2).

Systems for self-organizing data collection and storage in a power generation environment are disclosed. A system may include a data collector for handling a plurality of sensor inputs from sensors in the power generation system, wherein the plurality of sensor inputs is configured to sense at least one of: an operational mode, a fault mode, a maintenance mode, or a health status of at least one target system. The system may also include a self-organizing system for self-organizing a storage operation of the data, a data collection operation of the sensors, or a selection operation of the plurality of sensor inputs. The self-organizing system may organize a swarm of mobile data collectors to collect data from a plurality of target systems.

A system includes an expert graphical user interface configured to: present a list of reliability measures of an industrial machine, facilitate a selection by a user of a reliability measure from the list of reliability measures, present a representation of a smart band data collection template associated with the reliability measure selected by the user, and a data routing and collection system configured to, in response to a user indication of acceptance of the smart band data collection template, collect data from a plurality of sensors in an industrial environment in response to a data value from one of the plurality of sensors being detected outside of an acceptable range of data values.

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 method for controlling handwheel torque in a steering system of a vehicle includes obtaining at least one of a reference yaw rate of the vehicle and a reference yaw acceleration of the vehicle, obtaining at least one of a yaw rate error and a yaw acceleration error based on the at least one of the reference yaw rate and the reference yaw acceleration, obtaining a handwheel torque modifier based on the at least one of the yaw rate error and the yaw acceleration error, adjusting a reference torque using the handwheel torque modifier, and controlling the handwheel torque using the reference torque as adjusted using the handwheel torque modifier.

A vehicle driving support device issues an alert to notify a driver of a vehicle in advance that the vehicle is approaching a road having a large curvature. The vehicle driving support device includes a forward information providing device that provides forward information that is information forward of the vehicle, acquires, from the forward information, a curvature of a point that is a first distance forward from the vehicle and a curvature of a point that is a second distance forward from the vehicle, as a near point curvature and a distant point curvature, respectively, the second distance being longer than the first distance, and the curvatures being curvatures of a road on which the vehicle is traveling, and issues the alert when an alert condition is satisfied that the distant point curvature is larger than the near point curvature by a predetermined value or more.

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.

Systems for self-organizing data collection and storage in a manufacturing environment are disclosed. A system may include a data collector for handling a plurality of sensor inputs from sensors in the manufacturing system, wherein the plurality of sensor inputs is configured to sense at least one of: an operational mode, a fault mode, a maintenance mode, or a health status of at least one target system. The system may also include a self-organizing system for self-organizing a storage operation of the data, a data collection operation of the sensors, or a selection operation of the plurality of sensor inputs. The self-organizing system may organize a swarm of mobile data collectors to collect data from a plurality of target systems.

Systems for self-organizing data collection in an industrial environment are disclosed. An example system may include a self-propelled mobile data collector for handling a plurality of sensor inputs from sensors in the industrial environment, wherein the plurality of sensor inputs is configured to sense at least one of: an operational mode, a fault mode, a maintenance mode, or a health status of at least one target system. The system may include a self-organizing system for self-organizing at least one of a storage operation of the data, a data collection operation of the sensors, or a selection operation of the plurality of sensor inputs. The self-organizing system organizes a swarm of self-propelled mobile data collectors to collect data from a plurality of target systems in the industrial environment.

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.

The utility model belongs to the field of structural design of vehicle steering systems, and particularly relates to a steering column structure based on a drive-by-wire system and a vehicle, and the steering column structure based on the drive-by-wire system comprises a steering column body used for being connected with a steering wheel to transmit rotating torque; the steering hand force feedback mechanism comprises a rotating shaft, a rotating block and an elastic piece; the rotating block is connected to the rotating shaft, and the elastic piece is connected to the rotating block and can stretch out and draw back in the axial direction of the rotating shaft. Wherein the rotating shaft is connected with the steering column body so as to be driven by the steering column body to rotate, and the rotating block is arranged to be capable of moving in the axial direction of the rotating shaft under rotation of the rotating shaft and stretching and / or compressing the elastic piece at the same time so as to provide feedback torque for a steering wheel. Under the rotation of the rotating shaft, the rotating block can move in the axial direction of the rotating shaft and stretch or compress the elastic piece. Telescopic deformation of the elastic piece can generate feedback torque, the feedback torque is transmitted to a steering wheel through the steering column body, and mechanical feedback is provided for a driver.

A motor control device controls energization of a motor by vector control, the motor control device including: a current command value calculation unit configured to generate current command values in a dq coordinate system based on a command value of a motor; a current command value limit unit configured to limit the current command values in the dq coordinate system which are generated by the current command value calculation unit and output current limit command values which are the limited current command values in the dq coordinate system; and a controller configured to calculate voltage command values for the motor by feedback control of the current limit command values, in which the current command value limit unit limits the current command values in the dq coordinate system such that an operation point having a set voltage margin with respect to a voltage limit circle in the dq coordinate system is obtained based on a direct current bus voltage and the voltage command values.

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.

The invention discloses a steer-by-wire column hand feeling simulation device for a vehicle and the vehicle, and relates to the technical field of auto spare parts, the steer-by-wire column hand feeling simulation device comprises a steering tube, a mandrel and an angle limiting mechanism, the steering tube sleeves the mandrel, the angle limiting mechanism comprises a plurality of limiting rings, and the limiting rings are arranged on the mandrel. The multiple limiting rings are sequentially assembled in a sleeved mode in the radial direction of the angle limiting mechanism, any two adjacent limiting rings can relatively rotate in the circumferential direction of the angle limiting mechanism, each limiting ring is provided with a limiting part, and the limiting parts of the multiple limiting rings are located on the same side of the angle limiting mechanism in the axial direction of the angle limiting mechanism. And at least parts of the limiting parts of any two adjacent limiting rings are positioned on the same circumference. According to the hand feeling simulation device for the steer-by-wire column, the maximum number of turns of rotation of the steering wheel can be limited, the universality is high, the safety of a vehicle can be improved, the occupied space of the hand feeling simulation device for the steer-by-wire column is small, and the space utilization rate of the vehicle can be improved.

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.

A driving module for vehicle and a power supply structure are configured to include a driving system and a braking system provided with an in-wheel motor and an EMB-based brake inside a rim of a tire, a suspension system in which a suspension support shaft serves as a rotational central axis of the rim, and a steering system provided on an upper portion of the suspension system, in which the steering system includes a first steering member provided between the suspension system and a body, and a second steering member which is positioned at an inner side of the first steering member and of which lower portion is linked with the suspension system.

The invention discloses an automobile steer-by-wire system linear active-disturbance-rejection control method and a related device. The method comprises the following steps: establishing an automobile steer-by-wire system model; obtaining a parrot group intelligent search algorithm; the parrot group intelligent search algorithm is improved according to the vehicle driving conditions of the vehicle under different working conditions, and an improved parrot group intelligent search algorithm is obtained; and calculating the optimal fitness of the improved parrot group intelligent search algorithm, and carrying out optimal selection on parameters of the linear active disturbance rejection controller. According to the invention, the control effect of the controller can be adaptively adjusted under different working conditions, so that the automobile has a better driving effect.

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).