399 results about "Automatic steering" patented technology

An adjustment system for guidance lines comprising a GNSS unit disposed on an agricultural vehicle, a memory comprising stored crop row locations, a processor in communication with the GNSS unit and the memory, the processor configured to apply lateral and / or longitudinal adjustments to guidance lines generated based on stored crop row locations from a prior operation, and an automatic steering system configured to command the agricultural vehicle to traverse the guidance lines.

A work vehicle capable of automatic steering driving includes a positioning system to perform positioning of the work vehicle, and a controller including a non-volatile memory. The controller is configured or programmed to estimate an orientation of the work vehicle based on a change over time of a position of the work vehicle measured by the positioning system, perform automatic steering control of the work vehicle based on the position and the orientation of the work vehicle and a set target route, store the orientation of the work vehicle in the non-volatile memory in response to a key-off operation of the work vehicle, and after a key-on operation of the work vehicle is performed, initiate the automatic steering control using the orientation stored in the non-volatile memory as an initial orientation of the work vehicle.

A combine includes an operation unit; a display unit; a reference traveling line unit that acquires a reference traveling line indicating a direction of traveling; a location information unit that acquires location information indicating a location of a host vehicle; a field information unit that acquires field information indicating a location of an outer edge of an unworked land in a field; a display control unit that displays, on the display unit, the outer edge of the unworked land and a setting traveling line which is parallel to the reference traveling line and in which the location of the host vehicle indicated by the latest location information is set as a reference point; and a traveling control unit that makes the host vehicle travel along the setting traveling line based on the operation unit receiving an operation of switching from manual steering to the automatic steering.

To increase steering angle followability of automatic steering, provided is a driving assistance device for executing collision avoidance control of controlling a steering angle of an own vehicle such that the own vehicle travels along a target trajectory which enables the own vehicle to avoid a collision with an obstacle. The driving assistance device includes: a setting unit configured to set a target steering angle, and to set a target steering torque for matching the steering angle with the target steering angle; a cancellation unit configured to set a cancellation torque which cancels a total steering torque obtained by summing a driver steering torque and a steering assist torque set based on the driver steering torque; and a control unit configured to execute steering control of controlling the steering angle based on a torque control amount obtained by adding the target steering torque to the cancellation torque.

A turn signal indication system includes: at least one turn signal indicator; an adaptive maneuver prediction module configured to predict that a host vehicle is to make a turn or change lanes; an activation decision module configured to, based on the prediction, determine whether the host vehicle is to make a left turn, make a right turn, change to a left lane, or change to a right lane; and a signal indication module configured to automatically activate the at least one turn signal indicator based on the determination of whether the host vehicle is to make a left turn, make a right turn, change to a left lane, or change to a right lane.

An electrified vehicle includes a human-machine interface to enable a towed vehicle mode to enable electric pumps to lubricate and / or cool vehicle components and to disable driver assistance features while the electrified vehicle is being towed by another vehicle. The electrified vehicle includes a drivetrain having an electric machine configured to provide propulsive torque to vehicle wheels, a high-voltage traction battery selectively connected to the electric machine, a battery powered fluid pump configured to pump fluid to the drivetrain, and a controller programmed to, after receiving a signal enabling towed vehicle operation of the electrified vehicle, control operation of the battery powered fluid pump while the electrified vehicle is being towed. The controller may disable one or more driver assistance features and alerts such as automatic emergency braking, automatic shifting of the drivetrain, automatic parking brake operation, automatic headlights, automatic steering, cruise control, parking assistance, and external object distance detection.

A method (400) for controlling one or more turn signal lamps (140a, 140b) of a vehicle (100), the method (400) comprising steps of receiving (202), by at least one processor, a navigation data associated with one or more turns. Further, identifying (204), by the at least one processor, at least one turn signal lamp from the one or more turn signal lamps (140a, 140b) for controlling based on the navigation data. Furthermore, receiving (206), by the at least one processor, speed data of the vehicle (100) and correlating (208), by the at least one processor, the speed data of the vehicle (100) and the navigation data. Moreover, controlling (210), by the at least one processor, the at least one turn signal lamp from the one or more turn signal lamps (140a, 140b) based on the correlation.

The invention relates to the technical field of voice recognition, in particular to a steering lamp control system and method capable of achieving automatic steering, the automatic steering lamp control system remarkably improves driving safety and efficiency through an accurate advanced prediction and timely response mechanism, the system utilizes an advanced sensor technology and an artificial intelligence algorithm, and the driving safety and efficiency are improved. According to the invention, the intention of a driver can be recognized in advance, the behavior of the driver can be predicted and the corresponding steering lamp can be automatically turned on in advance no matter under the conditions of turning, lane changing, overtaking, side parking and the like, the prompting effect on surrounding traffic participants is improved, traffic accidents caused by improper use of the steering lamp are effectively prevented, and meanwhile, the driving safety is improved. The system can respond to changes of traffic conditions and road environments in real time, use of the steering lamps is optimized, it is ensured that intentions of drivers can be timely and accurately conveyed under various driving situations, and therefore the overall traffic smoothness and road safety are improved.

According to the torque control method and system, the control method comprises the steps that the difference value between a first target angle and a current rotation angle is determined, when the first target angle is automatic steering, an electric power steering system executes the target angle according to a rotation angle request of advanced auxiliary driving, and when the current rotation angle is first torque applied to a steering wheel, the current rotation angle is the target angle executed according to the rotation angle request of advanced auxiliary driving; real included angles between wheels and the front of the vehicle; calculating a second torque of the motor according to the difference value, the vehicle speed and the first torque; wherein the second torque is the output torque of the motor, is in negative correlation with the difference value and the first torque and is in positive correlation with the vehicle speed. According to the control method, the output torque of the motor can be calculated according to the first target angle, the current rotating angle, the vehicle speed and the first torque, when the driver intervenes in taking over in advanced auxiliary driving, the resistance of the steering motor and the driver during automatic driving and the jamming feeling during intervention can be greatly reduced, the hand feeling transition of the driver is smoother, and the driver experience is improved. And meanwhile, the steering angle control precision of automatic steering can be ensured.

Dynamic speed-controlled automatic turn signal cancellation in a vehicle. An automatic turn signal cancellation system is configured detect steering wheel angle changes to indicate a vehicle turn and then a steering wheel angle returning towards turn neutral position for canceling turn signal. If steering wheel angle remains in the turn neutral position for a determined stability time, the turn is deemed completed and the turn signal is automatically cancelled. The stability time is dynamically determined inversely related to maximum steering wheel angle of the turn, because a steering wheel will return to a stable position faster from a larger steering wheel motion from a sharper turn. The automatic turn signal cancellation system can also dynamically set a threshold angle used to determine initial vehicle turn based on the speed of the vehicle because the faster the vehicle speed, the less steering wheel angle change is required to perform a turn.

The invention provides an automatic steering driving humanoid trajectory planning method and system. The method comprises the following steps: acquiring relative distance information between a vehicle and obstacles on two sides of a road and vehicle kinematics information by acquiring and processing human control data in a curve scene; non-linear features are extracted from the vehicle kinematics information based on a kernel principal component analysis (KPCA) method; the multi-state cycle prediction model is constructed based on an LSTM network, and the method comprises the following steps: carrying out weighted attention on key data of long and short term information by cell state information; the model inputs the nonlinear features, the relative distance information between the vehicle and obstacles on the two sides of the road and the kinematics information of the vehicle into a multi-state cycle prediction model, and predicts future driving track points. Therefore, the mapping precision of the network is improved, human manipulation behaviors are well learned, and the stability of the planned trajectory is improved.

The invention discloses a real-time dynamic monitoring water conservancy monitoring device and a protection method thereof. The real-time dynamic monitoring water conservancy monitoring device mainly comprises a supporting column, and a windproof mechanism and an anti-hail mechanism are installed on the supporting column; the windproof mechanism comprises folding columns arranged on the left and right of the upper portion of the supporting column, and the two folding columns are hinged to the supporting column. The lower ends of the two folding columns are driven by a folding mechanism to unfold or fold. A water level detector is mounted at the outer end of the first folding column, an anti-hail mechanism is mounted on the second folding column, and a wind speed detector is rotationally connected to the top of the supporting column; the anti-hail mechanism comprises a fixing block, and the fixing block is rotationally connected with the second folding column; an automatic steering clamping mechanism is arranged between the fixing block and the second folding column; when hail falls on the solar panel on the upper portion of the fixing block, the automatic steering clamping mechanism is unlocked, and the fixing block drives the solar panel to rotate from the horizontal state to the vertical state. According to the water conservancy monitoring device with the real-time dynamic monitoring function and the protection method of the water conservancy monitoring device, damage to equipment caused by hail and strong wind can be reduced.

The invention discloses an intelligent well drilling control system and method, and relates to the technical field of automation control, and the system comprises a PLC interface module which communicates with drilling machine automation equipment through an open communication protocol; the data acquisition module is used for acquiring operation parameters of the drilling machine automation equipment in real time; the task management module is used for executing a drilling program and sending a control instruction to the drilling machine automation equipment; the visualization module is used for providing a parameter input and three-dimensional track display interface; the application interface module is used for integrating a third-party application program; the well building planning module is used for defining the depth, the direction, the drilling speed and the drilling pressure parameter limitation of a well section; the automatic guiding module is used for predicting a drilling track through an LSTM model and generating a control instruction; the risk management and control module is used for analyzing the fault risk based on the variation of the operation parameters of the drilling machine automation equipment; the secure switching module is used for switching between an automatic mode and a local operation mode. According to the invention, the efficiency and safety of drilling operation can be improved.

The invention relates to the technical field of mine safety, and discloses a long-term real-time blasting vibration monitoring device and system for a mine, and the device comprises a bottom bearing structure, a monitoring instrument placement platform, a blasting vibration monitoring device, a positioning and orienting device, an automatic steering device, a power supply device and an external protection device; the method comprises the following steps: drawing a three-dimensional coordinate measuring point arrangement diagram; monitoring points are arranged according to the terrain, the blasting explosive quantity and the position of a protected object; monitoring equipment is started before blasting, and a self-triggering threshold value is set; establishing a blasting vibration monitoring and predicting program in combination with historical blasting data; inputting the real-time automatic vibration waveform into a vibration monitoring and predicting program for simulation and prediction; optimizing blasting parameters according to a simulation prediction result of the vibration monitoring prediction program; and when a simulation prediction result reaches an early warning blasting threshold value, giving out early warning. According to the invention, long-term real-time automatic monitoring of the slope vibration condition can be realized, and effective data support is effectively provided for slope stability and blasting operation effect analysis.

The invention relates to the technical field of railway locomotive lighting, in particular to an automatic steering LED headlamp for a railway locomotive, and can solve the problem that a curve view blind area is caused by fixed installation of an existing headlamp to a certain extent. According to the headlamp, a rotating platform and a stepping motor are additionally arranged at the bottom of the LED headlamp, a control device collects the line turning radius and speed information of a train LKJ device in real time, a steering control instruction is generated through an intelligent algorithm, a motor driver receives the instruction and drives the stepping motor to drive the rotating platform to rotate, and the headlamp is driven to conduct steering adjustment of 0-360 degrees. The system is provided with a zero reset function, the initial irradiation angle is automatically recovered after turning is finished, the view blind area of the curve can be effectively eliminated, the driving safety is improved, meanwhile, the installation and debugging difficulty is reduced, and the system is suitable for the complex mountain railway working condition.

The invention relates to a multi-interface steering control unit which is suitable for a ship automatic steering system. The unit comprises a dual CAN bus system, a steering control panel, a power supply module, a signal conversion module and an emergency power supply module. Redundant data transmission is achieved through a double-CAN bus system, it is ensured that signals can still be normally transmitted when a single bus breaks down, a PID control algorithm is arranged in the steering control panel, the steering angle and speed can be accurately calculated, a signal conversion module can convert digital signals into analog voltage signals so as to meet the control requirement of an electromagnetic valve or a proportional valve steering engine, and the control requirement of the electromagnetic valve or the proportional valve steering engine can be met. The system further has an emergency steering mode and a self-diagnosis function, and it is ensured that the system can be rapidly switched to an emergency state when the main system fails. The multi-interface steering control unit adopts a modular design, so that the multi-interface steering control unit is easy to maintain and expand and is suitable for various types of ships, and the reliability and the operation convenience of a steering system are improved.

The invention relates to the field of motor train unit wheel set overhaul production lines, and discloses a motor train unit wheel set intelligent overhaul production line which comprises a centralized control module. The shaft number recognition and input module, the automatic conveying module, the automatic steering module, the brake disc turning repair module, the wheel set turning module, the shaft end plugging and dismounting module, the magnetic powder flaw detection module and the hollow shaft flaw detection module are connected with the centralized control module; the invention further discloses an operation method for the intelligent overhaul production line for the motor train unit wheel sets, and the operation method comprises seven operation steps and has the advantages of being intelligent, high in automation degree and good in machining consistency.

A combine includes an operation unit; a display unit; a reference traveling line unit that acquires a reference traveling line indicating a direction of traveling; a location information unit that acquires location information indicating a location of a host vehicle; a field information unit that acquires field information indicating a location of an outer edge of an unworked land in a field; a display control unit that displays, on the display unit, the outer edge of the unworked land and a setting traveling line which is parallel to the reference traveling line and in which the location of the host vehicle indicated by the latest location information is set as a reference point; and a traveling control unit that makes the host vehicle travel along the setting traveling line based on the operation unit receiving an operation of switching from manual steering to the automatic steering.

A power steering controller including: a first override determination part that determines whether automatic steering of a vehicle is possible on the basis of a state of the vehicle; a second override determination part that determines whether manual steering of the vehicle is possible on the basis of a state of a driver of the vehicle; and a driving mode switching part that switches between an automatic steering mode for automatically steering the vehicle, a manual steering mode for manually steering the vehicle, and a semi-automatic steering mode for automatically steering and manually steering the vehicle, on the basis of a determination result of the first override determination part and a determination result of the second override determination part.

To provide an automatic driving support apparatus which can continue the automatic steering, when the abnormality of the control system of the motor for steering is detected. An automatic driving support apparatus including: an automatic steering control unit that calculates a steering angle command value of a steering apparatus of the ego vehicle based on the detected traveling state and the detected peripheral state; a motor for steering; a motor drive circuit; a steering angle control unit that calculates a motor output command value based on a steering angle command value and a steering angle detection value; a motor control unit that generates driving signals of the motor drive circuit based on the motor output command value; and an abnormality detection unit, wherein the motor control unit generates driving signals at abnormal time according to a content of abnormality related to the motor for steering.

An automatic steering system for an agricultural vehicle includes a controller operably coupled to a steering sensor configured to provide a feedback signal that includes vehicle steering information for automatically controlling the steering device. The controller is configured to receive the feedback signal and current steering information from the steering sensor and determine desired steering rate information based on the current steering information and a desired steering position. The controller is also configured to compare a current steering rate to the desired steering rate information and disengage automatic steering control based on comparing the current steering rate to the desired steering rate information. Automatic steering systems including assisted steering devices and methods for steering an agricultural vehicle are also provided.

An automatic steering control apparatus includes a steering torque detector and a steering processor. The steering torque detector is configured to detect a steering torque amount applied to a steering shaft of a vehicle. The steering processor is configured to switch between an automatic steering and a manual steering. The steering processor is configured to calculate an integration value in which the steering torque amount detected by the steering torque detector is integrated for a predetermined period, and switch the automatic steering to the manual steering when the integration value exceeds an integration threshold.

The marine drilling riser fixing auxiliary equipment comprises a lifting assembly, the lifting assembly comprises a lifting base, a first through hole is formed in the lifting base, four steel cables and a riser are arranged in the first through hole in a penetrating mode, and a guide mechanism, a power mechanism and a brake mechanism are arranged on the lifting base; the rotating assembly comprises a rotating base, the rotating base is rotationally connected to the lifting base, a regulation and control mechanism is arranged between the rotating base and the lifting base, and a second through hole is formed in the rotating base; the fixing auxiliary assembly comprises a shell, the shell is fixedly connected to the rotating base, two third through holes are formed in the shell, a first thrust mechanism is arranged in the shell, and an automatic steering mechanism and a second thrust mechanism are arranged outside the shell. According to the device, the marine riser can be pushed, bending of the marine riser is reduced, the position of the marine riser in water can be conveniently adjusted according to the bending portion of the marine riser, meanwhile, the operation direction can be adjusted, and therefore the service life of the marine riser is guaranteed.

A method for automated vehicle driving control in a platoon includes obtaining first operational parameters of a first vehicle, including at least a first measured braking performance of the first vehicle, obtaining second operational parameters of a second vehicle, including at least a first measured braking performance of the second vehicle, determining a platoon sequence according to the operational parameters by assigning whichever of the first vehicle and the second vehicle that has a lesser measured braking performance as a lead vehicle in the platoon sequence, and assigning the other of the first vehicle and the second vehicle as a follower vehicle in the platoon sequence, initiating a platoon sequence driving route, and controlling automated driving of the follower vehicle according to tracking of the lead vehicle, wherein the automated driving includes automated steering control, automated acceleration and automated braking based on tracked movement of the lead vehicle.

The lifting mechanism comprises a moving trolley, a plurality of guide wheel assemblies are installed on the moving trolley, each guide wheel assembly comprises a support, and the supports are fixedly connected to the lower surface of the moving trolley; when the pallet fork assembly stretches out, the sliding sleeve is driven to rotate through the trigger block, so that the mounting frame on the guide rod rotates along with the sliding sleeve, the top plate is jacked up, control over the elevator body is simplified, the service life of the elevator body is prolonged, and the fault risk is reduced; the guide wheel assembly abuts against the side face of the rail head through the guide wheel body and abuts against the rail waist through the balls, and therefore the moving flexibility and stability of the moving trolley are guaranteed. According to the rotating disc assembly, the first motor drives the second gear to roll on the first gear, the connecting base drives the rotating disc body, the first positioning rod, the second gear and the sliding table are used for jointly supporting the rotating disc body, and the problem that the cost is too high due to the adoption of a slewing bearing is solved while the rotating function is achieved.

A method, device and computer storage medium for determining a typical lane change trajectory based on lane change scene data, relating to the field of autonomous driving technology. The method solves the problems of low extraction rate of common features of trajectories in existing lane change trajectory extraction technologies and the loss of practical application capability of the obtained lane change trajectory in automatic steering control or autonomous driving due to insufficient consideration of factors during feature extraction. In the method, parameters characterizing the lane change trajectory are extracted based on lane change scene data collected by an autonomous driving vehicle, and a trajectory expression is obtained based on the parameters; the lane change trajectory is then segmented into a number of sub-trajectories; the parameter features of each sub-trajectory are converted and summarized to obtain a lane change trajectory data set; and the data set is clustered to obtain a typical lane change trajectory. The present invention is a lane change trajectory obtained based on an actual lane change scenario, and is more reliable when applied to the field of autonomous driving technology.

The invention provides automatic steering laser drilling equipment for plate processing, and relates to the technical field of laser drilling equipment, the automatic steering laser drilling equipment comprises a drilling assembly, a rotating assembly and a clutch assembly, the drilling assembly comprises a support and a laser, the support is provided with a protection assembly, and the protection assembly comprises a water tank and an inclined plate; the bottom of the laser is provided with a rotating assembly, the rotating assembly comprises a tray and a motor I, the tray is provided with a clamping assembly, the clamping assembly comprises an electric telescopic rod and a clamping plate, the motor I is provided with a supporting assembly, and the supporting assembly comprises a movable plate and a bearing; according to the automatic steering laser drilling equipment for plate processing, power can be provided for the cleaning component in the well body through the driving equipment outside the well body, the driving equipment rotates intermittently in a reciprocating mode, so that all the screen pipes can be cleaned, scaling in the screen pipes is avoided, especially blockage in kerfs is avoided, the filtering efficiency of the screen pipes is guaranteed, and the service life of the screen pipes is prolonged. The laser punching device is suitable for punching the periphery of a plate through laser.

The utility model discloses an automatic steering mechanism of an electric golf cart, which comprises a first steering rod and a second steering rod, one end of the first steering rod is fixedly connected with a connecting groove, one end of the second steering rod is fixedly connected with a gear body, and one end of the second steering rod far away from the gear body is fixedly connected with a connecting bump. And the connecting protruding blocks and the connecting grooves are matched in an inserted mode, bolt shafts penetrate through the interiors of the connecting protruding blocks and the interiors of the connecting grooves, and one ends of the bolt shafts are fixedly connected with first limiting plates. By arranging a plug pin shaft, a second limiting plate, a buffer clamping plate and a limiting rod, the plug pin shaft is conveniently disassembled and replaced, at the moment, the second limiting plate extrudes and pushes one side of the buffer clamping plate, a supporting spring elastically returns pressure, and at the moment, the limiting rod is conveniently taken out through the interior of a first through hole and is separated from the second through hole after being taken out, so that disassembly is convenient; and the steering mechanism can be quickly and conveniently disassembled and assembled.

The invention provides full-automatic deep-layer horizontal displacement monitoring equipment. The full-automatic deep-layer horizontal displacement monitoring equipment comprises an automatic steering guide wheel measuring rod and a winding device, the automatic steering guide wheel measuring rod comprises a power supply connecting assembly, an upper guide wheel rod, a chip regulation and control rod, a lower guide wheel rod and a monitoring assembly which are connected in sequence. Compared with the prior art, the full-automatic deep horizontal displacement monitoring equipment can monitor the deep horizontal displacement of a foundation pit in real time without manual intervention, only one person can operate the equipment and check the running condition of the equipment in real time through corresponding software, and the chip module installed in the guide wheel measuring rod can monitor the deep horizontal displacement of the foundation pit in real time. Automatic steering can be accurately achieved through motor control, and manual steering is not needed; and a three-section structural design is adopted, so that the portability is improved. When the winding device drives the winding drum to rotate to wind / unwind the rope, the winding drum can be driven to move axially, so that the rope can be neatly arranged on the winding drum and is not easy to wind; and the whole structure is reliable and compact.