76results about "Forklift trucks" patented technology

In accordance with one aspect of the inventive concepts, provided is a robotic vehicle comprising at least one processor in communication with at least one computer memory device, a navigation system operatively controlling a drive system to navigate the mobile robot along a predetermined path, at least one sensor configured to acquire real-time sensor data, and a dynamic path adjust system comprising computer program code executable by the at least one processor to cause the navigation system to at least partially and / or temporarily deviate from a current path by generating a dynamically determined path or path segment based on the real-time sensor data and / or an indication in the current path to switch to dynamic path adjust. The robotic vehicle can be configured to switch path to a current and / or original path after executing a dynamically determined path adjustment. A corresponding method is also provided.

A suspension assembly includes an upper control arm, a lower control arm, a damper coupled between the lower control arm and a frame rail, and a roll control cylinder coupled between the lower control arm and the frame rail. The roll control cylinder includes a body defining an internal cavity, a piston movably arranged within internal cavity, and a rod coupled to the piston and extending outwardly from the body. The piston divides the internal cavity into a piston chamber and a rod chamber. The suspension assembly further includes an accumulator in fluid communication with the piston chamber, and a charge supply in fluid communication with the accumulator. The charge supply is configured to selectively change a charge pressure within the accumulator to adjust a roll rate or stiffness defined by the roll control cylinder.

An automatic horn system and method for a material handling vehicle is provided. An example system includes a perception system and a feedback device. The perception system may be of a material handling vehicle and may include at least one processor and one or more front facing sensors and one or more rear facing sensors designed to capture sensor data of an environment surrounding the material handling vehicle, wherein the at least one processor is designed to identify at least one feature from the sensor data. The feedback device may be of the material handling vehicle and may be designed to perform a feedback operation based at least in part on one or more signals from the perception system.

An engine-type industrial vehicle (10) includes: an engine (31); a power transmission (40) configured to transmit a driving force of the engine (31) to a driving wheel (12); a controller (81) configured to adjust the driving force; a travel direction determiner (88) configured to determine a travel direction of the engine-type industrial vehicle (10); and an object detector (131) configured to detect a position of an object in the travel direction of the engine-type industrial vehicle (10). The power transmission (40) is switchable between a driving force transmission state and a driving force non-transmission state. The controller (81) causes a state of the engine-type industrial vehicle (10) to be in a travel start prohibition state (S3), when the object detector (131) detects the object and a detection direction of the object matches the travel direction, in a case where a vehicle speed of the engine-type industrial vehicle (10) is equal to or less than a stop determination threshold.

The position calibration method is used to fuse images (13, 15) from a camera (1) and a lidar sensor (2). The camera (1) captures an image (13) of a calibration target (11), whereby the pose of the calibration target (11) relative to the camera (1) can be determined using known patterns (12). The lidar sensor (2) captures an image (15) of the calibration target (11), whereby the pose of the calibration target (11) relative to the lidar sensor (2) can be determined using additional reflection areas (14) on the calibration target (11). Based on both poses, images (13, 15) captured by the camera (1) and / or the lidar sensor (2) can subsequently be converted into a common coordinate system or into the coordinate system of the other image (13, 15). This allows objects (7) detected in one image (13, 15) to be verified in another image (15, 13).

In accordance with one aspect of the inventive concepts, provided is a robotic vehicle comprising at least one processor in communication with at least one computer memory device, a navigation system operatively controlling a drive system to navigate the mobile robot along a predetermined path, at least one sensor configured to acquire real-time sensor data, and a dynamic path adjust system comprising computer program code executable by the at least one processor to cause the navigation system to at least partially and / or temporarily deviate from a current path by generating a dynamically determined path or path segment based on the real-time sensor data and / or an indication in the current path to switch to dynamic path adjust. The robotic vehicle can be configured to switch path to a current and / or original path after executing a dynamically determined path adjustment. A corresponding method is also provided.

A driving assembly of a transportation vehicle is provided. The driving assembly includes a driving wheel, a pair of universal wheels arranged on both sides of the driving wheel, and a synchronizing mechanism connected with a pair of universal wheels. The synchronizing mechanism includes a pair of wheel seats and a synchronous rod connected with a pair of wheel seat. Each wheel seat is respectively provided with a first pressure spring and a second pressure spring. The expansion axis of the first pressure spring and the expansion axis of the second pressure spring are longitudinally arranged and parallel to each other. The elastic rigidity of the first pressure spring is smaller than that of the second pressure spring, and an upper end of the first pressure spring is higher than that of the second pressure spring after the driving assembly has been installed. A transportation vehicle with the driving assembly is also provided. Through the above scheme, the effect of floating adjustment can be achieved under light load and heavy load conditions of the transportation vehicle.

To suppress contact between an object and an engine type industrial vehicle.SOLUTION: A forklift includes an engine, a power transmission mechanism, a control device, a direction lever, and an object detection part. The direction lever determines a travel direction of the forklift according to an operation position. The object detection part detects the position of an object existing in the travel direction of the forklift. The power transmission mechanism can be switched between a drive transmission state where drive force of the engine is transmitted to the power transmission mechanism, and a drive non-transmission state where the drive force of the engine is not transmitted to the power transmission mechanism. In the case where the object detection part detects the object and the object detection direction and the travel direction determined by a travel direction determination part coincide with each other, and vehicle speed of the forklift is equal to or less than a stop determination threshold, the control device sets the forklift to be in a start prohibition state S3. In the start prohibition state S3, the power transmission mechanism is set to be the drive non-transmission state.SELECTED DRAWING: Figure 6

The invention discloses a hybrid power forklift and a control method thereof, and relates to the technical field of forklifts, and the hybrid power forklift comprises a forklift body and a power system. The power system is arranged on the vehicle body and comprises a walking control system, an operation control system and a whole vehicle controller, the walking control system is used for providing power needed by walking of the vehicle body and power needed during operation, the walking control system comprises a generator, the operation control system is used for providing power during operation of the vehicle body, and the operation control system comprises an engine; the vehicle control unit is used for receiving a demand signal input by a driver. Wherein the generator and the engine are jointly connected with an electromagnetic clutch and used for attracting / disconnecting the engine and the generator, the engine and the generator form a whole range extender for power generation when attracting, and the engine and the generator work independently when disconnecting. According to the hybrid power forklift, independent work or simultaneous work between the generator and the engine is controlled through attraction or disconnection of the electromagnetic clutch.

A fluid suspension system for a land vehicle is provided with a fluid biasing member with a first fluid port and a second fluid port. The fluid biasing member is adapted to be connected to a chassis and a first axle of a land vehicle spaced apart from a pivotal connection of the first axle to pivot the first axle relative to the chassis upon movement to a first position and a second position. A proportional valve is in fluid cooperation with the first fluid port of the fluid biasing member to permit fluid to flow to the fluid biasing member to bias the fluid biasing member to the first position, and to permit the fluid to flow from the fluid biasing member to the proportional valve, and to the second fluid port of the fluid biasing member to bias the fluid biasing member to the second position.

The objective of the present invention is to provide a vehicle control device capable of preventing repetition of movement on the same route when a route including back and forth turning has been planned. A vehicle control device (10) according to the present disclosure comprises a route generating unit (11) for generating a first route for moving from a first location to a target location, a control unit (12) for controlling a drive unit to move along the first route, and a determining unit (13) which, if the first route includes a second route to a back and forth turning point and a third route from the back and forth turning point to the target location, determines whether, at a second location, the vehicle can be deemed to have arrived at the back and forth turning point, wherein, if it is determined that the vehicle is deemed to have reached the back and forth turning point at the second location, the control unit (12) controls the drive unit such that the vehicle proceeds to a position on the third route separated a second distance, greater than a first distance between the first location and the back and forth turning point, from the second location.

The present application relates to the technical field of industrial vehicles, and discloses a control method of a logistics industrial vehicle, which comprises a chassis assembly, a portal assembly and a control assembly, the portal assembly comprises a portal located at the front side of the chassis and a liftable fork arranged on the portal, whether the fork is located at a low position can be detected through a first induction switch, when the fork is located at the low position, a control unit controls a driving wheel set to keep a slow mode with the highest speed of 6km / h, when the fork is located at a high position, whether a speed switching button is in a continuously pressed state is judged, if not, the control unit still controls the driving wheel set to keep the slow mode, if yes, the control unit controls the driving wheel set to keep a fast mode with the speed of 13km / h, two conditions of the fork being located at the high position and the speed switching button being continuously pressed are needed to start the fast mode, which can protect the vehicle, avoid the fast impact caused by the operator falling down or other misoperations, and further improve the safety performance.

The invention provides a vehicle control unit, a vehicle control device and a forklift. The whole vehicle controller is applied to the forklift and comprises a manual driving mode controller interface, an indirect driving mode controller interface, an execution element controller interface and a whole vehicle processing module. The whole vehicle processing module is configured to execute at least one of the following items: receiving a manual control instruction sent by a manual driving mode controller of the forklift through the manual driving mode controller interface; and receiving an indirect control instruction sent by the indirect driving mode controller through the indirect driving mode controller interface. And the whole vehicle processing module is further configured to control the executive component controller of the forklift through the executive component controller interface based on the received target control instruction and the current control mode of the executive component controller so as to control the executive component of the forklift. The vehicle control unit is favorable for reducing the cost of producing a forklift which supports an indirect driving mode and a manual driving mode at the same time.

The present disclosure relates to a system of controlling a lowering speed of a work lever of a forklift which may realize a constant amount of change in the lowering speed of the work lever with respect to a valve opening area, irrespective of a weight of a load placed on the work lever, although a flow regulator is not provided. The system for controlling the lowering speed of a work lever of a forklift includes, a hydraulic motor (130) connected to the work lever through a hydraulic line to transmit a power to the work lever; an electronic solenoid valve (150) for controlling the hydraulic motor connected to the work lever; a weight sensor (140) provided at one side of the work lever, the weight sensor measuring a weight of a load placed on the work lever and transmitting the measured value to a controller (120); and said controller (120) arranged for controlling an RPM of the hydraulic motor (130) and a current amount of the electronic solenoid valve based on the measured value transmitted from the weight sensor (140).

An engine control device for an industrial vehicle includes a seating detector configured to detect a seating state of a driver relative to a driver seat, a neutral detector configured to detect whether a direction operating member of the industrial vehicle is positioned in a neutral position, a fuel supply member configured to supply a fuel to the engine, a first controller configured to stop an output of a driving force from the engine when the seating detector detects that the driver is away from the driver seat, and a second controller configured to restart the output of the driving force from the engine in case that the seating detector detects that the driver is seated on the driver seat and the neutral detector detects that the direction operating member is positioned in the neutral position, after the first controller stops the output of the driving force from the engine.

An obstacle notification device includes an obstacle detection unit configured to detect a positional relationship between an industrial vehicle and an obstacle, a display unit, and processing circuitry. The processing circuitry displays an image for notifying an operator of the presence of the obstacle on the display unit, and executes at least one of restriction of traveling of the industrial vehicle and warning when the obstacle is a causal obstacle meeting a specific condition. The processing circuitry displays a first image on the display unit when notifying the operator of the presence of an obstacle different from the causal obstacle, and displays a second image that is different from the first image on the display unit when notifying the operator of the presence of the causal obstacle.

The invention belongs to the technical field of storage, and particularly discloses an AGV chassis, a carrying device and a carrying robot. The driving wheel assembly on the chassis comprises a driving wheel; the driving wheel fixing frame comprises a first side wall; the cup sleeves are fixed to the two ends of the bottom edge of the first side wall and abut against the two sides of the driving wheel. And the damping device is used for connecting the driving wheels and the AGV chassis body and comprises a damping spring which is fixed in the cup sleeve, an adjusting nut is arranged at one end of the damping spring and used for adjusting the pre-tightening force of the damping spring, and a locking nut is further arranged at the position corresponding to the adjusting nut and used for locking the position of the adjusting nut. The damping robot has the advantages that the pair of damping springs is additionally arranged at the position close to the driving wheel and used for relieving jolt and vibration of the robot in the vertical direction. Therefore, the adaptive capacity of up-down floating of the AGV chassis is higher, and the AGV chassis can stably run in storage bins under various different road conditions.

This invention discloses a four-wheel differential walking chassis structure and its working method. The four-wheel differential walking chassis structure includes three parts: a frame (1), a wheel system (2), and a suspension (3). The frame part (1) is divided into an upper frame (11) and a lower frame (12). The upper surface of the upper frame (11) is used to support and install functional components. On the left and right sides of the front beam (111) and the rear beam (112) of the frame part (1), a total of four outrigger hydraulic cylinders (113) are provided. During vehicle transportation, the piston rod of the outrigger hydraulic cylinder (113) does not extend. During engineering operations, the piston rod extends so that the bottom of the piston rod contacts the ground, the overall vehicle height is raised, the tires are lifted off the ground, and the overall vehicle support stability is enhanced. This invention can self-adjust when traveling on complex potholes and uneven roads, which can well ensure the balance and stability of the whole vehicle, and has good passability and road adaptability.

The present disclosure provides a robot and an adjustment method for a suspension system of a robot. The robot includes a robot body, a detection system, and a controller. The robot body includes a mobile chassis. The mobile chassis includes a suspension system. The detection system and the suspension system are electrically connected to the controller. The detection system is configured to detect operating information of the robot body. The controller is configured to control the suspension system to adjust a suspension hardness of the suspension system based on the operating information. The operating information includes at least one of ground information during operation of the robot body and pose information of the robot body.

A system for localization and manipulation of infrastructure includes: a mobile robotics platform; one or more sensors configured to collect sensor data; a processor configured to process the sensor data to identify and localize the infrastructure; and a feedback device configured to confirm the system has correctly identified and localized the infrastructure. The system includes a database of infrastructure descriptors and may spatially register those descriptors to the mobile platform's environment. The mobile robotics platform may employ those infrastructure descriptors as priors to improve sensing and actuation in the identification, localization, and manipulation of infrastructure.

The invention discloses a forklift rear wheel preview safety control system and method, and belongs to the field of heavy forklifts, the forklift rear wheel preview safety control system comprises a forklift body with a steering axle, and the forklift body comprises a sensing module which comprises a binocular stereoscopic vision sensor synchronously steering along with a rear steering wheel so as to scan a road surface within a preset range in front of the advancing track of the rear steering wheel in real time; the control module comprises a tire preview safety controller and is configured to obtain pre-stored tire geometric parameters; road surface information is received, and the three-dimensional point cloud data is mapped to the tire geometric parameters in real time so as to calculate the space interference relation between the obstacle and the tire; according to the space interference relation, the damage risk caused by the obstacle to the tire is judged; when it is judged that the damage risk exists, a graded active intervention control instruction is output according to the current vehicle speed; and the execution module is connected with the control module to receive and execute the control instruction. And the problem of tread cracking and chipping caused by blind area impact of the rear wheel of the heavy forklift is solved fundamentally.

The invention relates to the automotive industry and road transport, specifically to traffic safety systems for vehicles equipped with lifting mechanisms. The technical result of this invention is the automatic control of vehicle speed when driving with an elevated mechanism that increases vehicle height. This technical result is achieved by a vehicle speed limiting system that includes a speed limiting device (1) connected to standard vehicle electrical wiring and capable of continuously monitoring real-time signals about vehicle speed and position of the lift mechanism. The speed limiter (1) is connected to vehicle speed sensors (2), two position sensors (3) of the lift mechanism of the vehicle and to an actuator (4) with the ability to send a speed control signal to actuator (4), if any of the two lift position sensors (3) does not send a signal indicating that the lift mechanism is in its transport position.

A method for dealing with obstacles in an industrial truck, including detecting a current speed and a current steering angle of at least one steered wheel of the industrial truck using a speed sensor or a steering angle sensor. The method also includes calculating a protection zone based on the current speed and the current steering angle and evaluating data supplied by the at least one sensor unit within the protection zone. Responsive to detecting an obstacle in the protection zone, the method includes calculating a specific steering angle difference on a right side and a left side, the specific steering angle difference being such that collision with the obstacle is avoided on the respective side and one or more of, based on the calculated right side and left side steering angle differences, classifying a current degree of difficulty in avoiding obstacles or triggering a predetermined action.

[Problem] To provide a hybrid system which can detect and store a temperature of a battery that supplies electric power to a motor at the time of storage, while power consumption of the battery that supplies the electric power to an ECU is suppressed. [Solution] A hybrid system 10 is a hybrid system mounted on an industrial machine and has a motor 2, a battery 50 that supplies electric power to the motor 2, and a storage portion 151 and also includes a control portion 150 that executes such control that detects a temperature of the battery 50, when an ignition switch of the industrial machine is turned on, and stores the temperature at the detection as a temperature of the industrial machine at the time of storage in the storage portion 151.

To limit the speed of an industrial vehicle and notifies the driver based on the results of object detection while minimizing declines in work efficiency.SOLUTION: An industrial vehicle is equipped with an object detection unit and a first control unit. The first control unit limits the vehicle speed in accordance with the detection result of the object detection unit when a first driving mode is set. The first driving mode is a driving mode that allows movement in a direction that includes the detection range of the object detection unit. The first control unit performs control so as not to change the upper vehicle speed limit value in the vehicle speed restriction when the driving mode is switched to a second driving mode while the vehicle is traveling in the first driving mode. The second driving mode is a driving mode in which the vehicle does not move in a direction that includes the detection range of the object detection unit.SELECTED DRAWING: Figure 9

Provided are an automatic driving control method and apparatus, an electronic device, and a medium. The method includes: when a current braking trigger event is acquired, determining whether a target controlled vehicle is currently located in a braking monitoring period; and when the target controlled vehicle is currently located in any braking monitoring period, sending a braking control instruction corresponding to a next braking monitoring period to the target controlled vehicle according to ranking of the braking monitoring period in which the target controlled vehicle is currently located, and entering the next braking monitoring period, where vehicle control duration of the braking control instruction corresponding to the next braking monitoring period is longer.

Disclosed embodiments include power machine, control systems for power machines, and methods of controlling a power machine to automatically couple an implement to an implement carrier of the power machine. Sensors are used to identify positions of a power machine and of an implement, such as a bucket, to be coupled to the implement carrier of the power machine. Control methods are implemented to allow the power machine to be automatically controlled to couple the implement to the implement.

The invention discloses a hybrid power forklift mode switching control method and device and a forklift, and relates to the field of vehicle control, the method comprises the steps that a whole vehicle walking instruction is made, mode switching is conducted according to the electric quantity value of a power battery and the required torque of a driving motor, the power battery or an engine and a power generation motor are controlled to supply power to the driving motor, and the corresponding torque is output; according to the in-situ inclination or lateral movement instruction, the power generation motor or the engine and the power generation motor are controlled according to the electric quantity value of the power battery and the load of the operation system, and corresponding torque is output; according to the in-situ lifting instruction, the unloading valve is controlled to be closed according to the electric quantity value of the power battery and the load of the operation system, and the power generation motor or the engine and the power generation motor are controlled to output corresponding torque. Corresponding torque driving and switching condition judgment are carried out under different action instructions, the torque is adjusted only after the switching condition is met, then the power generation motor is connected with the engine after the rotating speed of the power generation motor is adjusted, switching between a hybrid power mode and an electric power mode is achieved, and the high-load requirement is met.

A forklift (10) comprises a main control device (31), a travel motor (41), a travel control device (43), and an object detection unit (51). The travel control device (43) controls the travel motor (41). The object detection unit (51) detects the position of an object present in the reversing direction of the forklift (10). The main control device (31) sets a limit value according to a starting limit control. In the starting limit control, the limit value is set so that travel is permitted when it is determined that an operator is aware of the presence of an object. The main control device (31) sets the limit value according to an automatic deceleration control. The main control device (31) performs a speed limit according to the limit value if the limit value set according to the starting limit control is a limit value permitting travel.