584results about "Agricultural vehicles" patented technology

An electric work vehicle includes a body having a frame structure including a front part and a rear part, the front part providing for a power section, the rear part providing for a drive section; a battery in the power section; an electric motor for traveling configured to receive electric power from the battery; and a cooling fan. The electric motor for traveling is in an air flow space formed in the power section, and the cooling fan is adjacent to an air outlet formed in a front end region of the air flow space.

A mobile agricultural machine obtains an agricultural characteristic map indicative of agricultural characteristics of a field, wherein the agricultural characteristic map is based on data collected at or prior to a first time. The mobile agricultural machine obtains supplemental data indicative of characteristics relative to the worksite, the supplemental data collected after the first time. An agricultural characteristic confidence output, indicative of a confidence level in the agricultural characteristics indicated by the agricultural characteristic map, is generated based on the agricultural characteristic map and the supplemental data. In some examples, an action signal is generated to control an action of the mobile agricultural machine based on the agricultural characteristic confidence output.

The present disclosure relates a power transmission system (100) for a work machine (50). The work machine is defined by drive wheels (14) for driving the work machine and a power take off (PTO) shaft (18) for driving a plurality of implements attached to the work machine. The system (100) comprises a first prime mover (10), a second prime mover (16), a first gear (20), a second gear (22), an engaging unit (24) and a switch. The engaging unit (24) is configured to be operatively mounted on the PTO shaft (18). The engaging unit (24) is configured to be displaced on the PTO shaft (18) from an idling configuration to an engaging configuration based on the satisfaction of a predetermined set of conditions. The system provides the compact assembly without any additional requirement of any external transmission assembly. Also, it makes the coupling response quick and provides smooth and noise free shifting and coupling of gears.

An agricultural vehicle includes a driveline, an interface, and a control system. The driveline includes an engine, a transmission, and a power take off (PTO). The interface is configured to removably couple an implement with the agricultural vehicle. The implement configured to perform an agricultural function. The control system includes processing circuitry configured to obtain an indication of a type of the implement that is removably coupled with the agricultural vehicle. The processing circuitry is also configured to determine a profile for at least the transmission based on the type of the implement that is removably coupled with the agricultural vehicle. The profile defines an operating parameter for at least the transmission such that the transmission operates in a specific manner for the type of the implement. The processing circuitry is also configured to operate at least the transmission according to the operating parameter of the profile.

A suspension control system can include a chassis and a suspension component operably coupled with the chassis. A boom assembly can be operably coupled with the chassis. One or more sensors can be configured to generate data indicative of a chassis orientation or boom assembly orientation relative to a level axis. A computing system can be communicatively coupled to the one or more sensors. The computing system can be configured to calculate an offset angle based on data from the one or more sensors, compare the offset angle to a defined correction threshold, and generate instructions to actuate the suspension component by a correction factor when the offset angle exceeds the defined correction threshold.

An agricultural vehicle includes a frame, a body assembly coupled with the frame, a suspension system and a control system. The suspension system includes a pair of dampers positioned at opposite lateral ends of an axle. The suspension system includes a hydraulic system having a hydraulic line fluidly coupling the pair of dampers with each other through a valve. The valve is actuatable between an open position wherein the pair of dampers are fluidly coupled with each other, and a closed position in which the pair of dampers are hydraulically isolated from each other. The control system circuitry configured to obtain sensor feedback indicating a steering operation of the agricultural vehicle, and responsive to the steering operation of the agricultural vehicle, operate the valve into the closed position to hydraulically isolate the pair of dampers from each other to reduce a roll of the body assembly of the agricultural vehicle.

A hybrid system for use with utility vehicles includes an electric motor including an output shaft and a conductor configured to alternatively receive power from or send power to an electrical power source. The hybrid system includes an internal combustion engine, a first pulley connected to and rotated by the internal combustion engine, and a clutch mechanism. The clutch mechanism includes a ratchet connected to the output shaft of the electric motor to rotate at a first rotational speed, a pawl carrier driven by the internal combustion engine to rotate at a second rotational speed, and one or pawls coupled to and configured to rotate with the pawl carrier. The one or more pawls are configured to be disengaged from the ratchet when the first and second rotational speeds differ and engaged with the ratchet when the first and second rotational speeds are equal.

The invention provides a control system and method for power distribution and power generation control of an extended-range agricultural machine based on intelligent identification of a working road surface and a hybrid tractor. The control system comprises the following steps: identifying a field type by collecting image information of a driving road, calculating required power of a vehicle range extender in a corresponding working scene based on the field type, and controlling a range extender assembly; and adjusting the torque of the driving motor and the driving motor based on the field type, the rotating speed of the driving motor and the vehicle speed. Based on field type recognition and historical working data, accurate distribution of driving force and efficient and stable power generation of the range extender can be achieved, the safety and the service life of a power battery are guaranteed, and the farmland operation efficiency of the tractor is improved.

An unmanned vehicle management system includes: an inter-vehicle distance determination unit that determines an inter-vehicle distance between a sprinkling vehicle and an unmanned vehicle traveling behind the sprinkling vehicle in a same direction as that of the sprinkling vehicle based on a sprinkling state from a sprinkling spray provided in the sprinkling vehicle traveling in a work site; and an output unit that outputs, to the unmanned vehicle, inter-vehicle distance data indicating the inter-vehicle distance determined by the inter-vehicle distance determination unit.

A drive system for an agricultural vehicle is provided herein that may include a pump unit that may be connected to a power plant and configured to generate power through a flow of hydraulic fluid. A first propulsion motor may be fluidly coupled with a pump unit and configured to drive a first tractive force to a first tractive element by applying a first control signal. A sensor system may be configured to capture data indicative of a slip condition of the first tractive element. A computing system may be operably coupled with the sensor system and the first propulsion motor. The computing system may be configured to detect a slip condition of the first tractive element based on the data from the sensor system and provide a superimposed traction signal to the first tractive element to alter a displacement to the first control signal line.

In a method for outputting steering status information to a driver of an agricultural tractor (12), it is provided that information provided to a control unit (40) via a data interface (44) regarding a mounted tire model or type, a tire inflation pressure, an axle load on a front and / or rear axle (14, 38) of the agricultural tractor (12) and a current travel speed of the agricultural tractor (12) are transmitted in order to check on this basis whether either (i) as a first triggering condition, the current travel speed exceeds a limit value provided for emergency steering operation, which is predetermined in accordance with the mounted tire model or type, the tire inflation pressure and the axle load, or whether (ii) as a second triggering condition, the tire inflation pressure falls below a limit value provided for emergency steering operation, which is predetermined in accordance with the mounted tire model or type.-type, the driving speed and the axle load are specified, wherein, in the event that one of the two triggering conditions is fulfilled, the control unit (40) causes the output of driver information indicating a critical steering condition by controlling an operator interface (46).

This autonomous travel system is provided with a farm field acquisition unit, a reference auxiliary line creation unit, an adjacent auxiliary line creation unit, and a travel control unit. The farm field acquisition unit acquires information regarding a farm field that includes a work area and a headland area. The reference auxiliary line creation unit creates first reference auxiliary lines within the headland area at positions spaced apart from the farm field peripheral edge on the inner side thereof by a first reference interval. The adjacent auxiliary line creation unit creates, at each of auxiliary line intervals, first adjacent auxiliary lines at positions spaced apart from the first reference auxiliary lines on the inner sides thereof. The total number of first reference auxiliary lines and first adjacent auxiliary lines created on the inner side of one predetermined side of the farm field peripheral edge is a value obtained by rounding up to a value equal to or less than the decimal of the headland width L / the auxiliary line interval S. The travel control unit causes a work vehicle to travel autonomously along at least some of the first reference auxiliary lines and the first adjacent auxiliary lines.

The disclosures herein generally relate to a vehicle and more particularly, to an all-terrain utility vehicle which can perform multiple operations, in varied terrain and soil conditions, with precision and guidance. An all-terrain utility vehicle mainly includes wheel track and wheel base adjusting system, a height adjusting system, a plurality of vertical axle assemblies, a steering system, an implement position adjusting system, a master controller unit and a plurality of wheel drive motors. All the vehicle functions being controlled and guided with the help of an electronic master control module which enables optional manual, remote and autonomous operations. The electronic master control module utilizes externally acquired location data and digital maps with soil and plant information for enabling precision field operations.

One or more information maps are obtained by an agricultural work machine. The one or more information maps map one or more agricultural characteristic values at different geographic locations of a field. An in-situ sensor on the agricultural work machine senses an agricultural characteristic as the agricultural work machine moves through the field. A predictive map generator generates a predictive map that predicts a predictive agricultural characteristic at different locations in the field based on a relationship between the values in the one or more information maps and the agricultural characteristic sensed by the in-situ sensor. The predictive map can be output and used in automated machine control.

The present disclosure relates to a computer system (100) for controlling one or more vehicles (10, 10a to 10n) operating in a confined geographical area (200), the computer system comprising processing circuitry (102) configured to receive travel mission data for at least one vehicle (10a) of a plurality of vehicles within the confined geographical area, the travel mission data comprising at least data about an intended route (220) for completing a transport mission (212); obtain real-time road condition data for the intended route; based on the obtained real-time road condition data, determine a drivability impact for the at least one vehicle intended to perform the travel mission along the intended route, the drivability impact being indicative of an estimated decrease in any one of a vehicle traction control level and an energy efficiency level; in response to the determined drivability impact, adapt any one of a driving mode and load capacity for the travel mission for the at least one vehicle; and control the at least one vehicle based on any one of the adapted driving mode and adapted load capacity for the travel mission.

The invention discloses an automatic heightening and leveling chassis system of a hill and mountain tobacco transplanter and a control method, and relates to the field of agricultural machinery. The system comprises a chassis body, a power transmission system, an executing mechanism, a sensing system and a control system. A front wheel assembly of the chassis body is flexibly connected with a frame through a hinge mechanism, and a rear driving wheel assembly is provided with a hydraulic independent suspension. The sensing system comprises a six-axis tilt angle sensor and a height measuring assembly and is used for collecting tilt angle and ridge surface data in real time; the control system adopts a PID algorithm to drive the front wheel lifting assembly to adjust the pitch angle, the hydraulic independent suspension adjusts the roll angle, and the electromagnetic clutch realizes differential steering and turning around in a narrow space. The problems that traditional equipment is poor in terrain adaptability, insufficient in intelligence and the like are solved, transplanting uniformity and operation efficiency are improved, and the device adapts to complex terrains of hills and mountains.

A control unit of an agricultural machine which is configured to receive sensor data of a sensor system, to analyse the sensor data to determine a need of adaption of at least one moveable display and to control an actuator to adapt the at least one moveable display.

The present invention provides a work vehicle with which various antenna devices useful for autonomous travel and the like of the work vehicle can be mounted efficiently and the various antenna devices can be solidly supported. This work vehicle 1 is provided with a cabin 7, wherein a support frame 100 is fixed to a cabin frame 200 in the left-right width direction at an upper position on the outside of the cabin 7, and an antenna unit 50 on which an inertial measurement device, a GNSS antenna, and a wireless communication device are assembled, is attached to the support frame 100 while the inertial measurement device and the GNSS antenna are arranged in approximately the center position in the left-right width direction of the machine body.

A vehicle includes a chassis and a hydraulic system. The hydraulic system is configured to facilitate operation of the vehicle. The hydraulic system includes a first hydraulic outlet (200), a second hydraulic outlet (300), a third hydraulic outlet (400), a first pump (104) configured to produce a first flow, a second pump (120) configured to produce a second flow, a priority valve (106), and a summation valve (130). The priority valve (106) includes a priority inlet (108) fluidly coupled to the first pump (104), a primary outlet (112) fluidly coupled to the first hydraulic outlet (200), and a secondary outlet (114) fluidly coupled to the second hydraulic outlet. The summation valve includes a summation inlet (132) fluidly coupled to the second pump, a return outlet (138) fluidly coupled to the priority inlet of the priority valve, an auxiliary outlet (140) fluidly coupled to the third hydraulic outlet (400), and a first control input (134) coupled to the secondary outlet (114) of the priority valve.

Systems and methods are provided for controlling operation of a trailer brake system associated with an agricultural vehicle-trailer combination, including: determining a trailer brake temperature; comparing the determined trailer brake temperature with one or more temperature thresholds to determine a temperature level condition for the trailer brake; and controlling the trailer brake system in dependence on the determined temperature level condition.

The invention aims at a mobile robotic platform designed to move between two rows of vegetation, vines in particular, comprising four wheels, a hollow chassis defining a chamber, a platform, configured to close the chamber, a propulsion system housed in the chamber and configured to drive the wheels, said system comprising two traction geared motors, each connected to a pair of wheels, each pair being placed on an opposite side of the chassis and facing each other, at least one battery placed in the chassis, two chain systems, each connecting two wheels of the same pair, placed on the same side of the chassis, and each being configured to synchronize the rotation of the wheels on the same side.

The invention relates to a rim for a vehicle wheel, having an inner and an outer rim flange 29,21, an inner and an outer rim shoulder 28, 22, a rim well 23 with well base 24, inner well flank 26 and an outer well flank 24, a transition section 27 and an inner hump 30 with a hump peak. The rim is having specific material thickness in the area of the transition section 27. In order to improve wheels in terms of weight minimization and noise development, the transition section 27 comprises at least one stiffening section 35 with a radi- ally offset wall section, the maximum radial offset H1 of which to the adjoining transition section is greater than the material thick- ness T in the transition section 27. The stiffening section 35 has a diameter Dz, Dw, being equal or greater than the diameter DT on the well base 24 and smaller than diameter DH of the hump peak 31.

[Problem] To provide an art capable of appropriately performing an operation using a remote operation device in a work vehicle provided capable of automated traveling. [Solution] An exemplary work vehicle includes: a vehicle main-body provided capable of automated traveling in which at least steering is automatedly performed; and a remote operation device configured to operate the vehicle main-body, in which the vehicle main-body starts turning by the automated traveling by performing a first operation of instructing a turning direction and a second operation subsequent to the first operation in the remote operation device.

To provide an electric work vehicle such as an electric tractor.SOLUTION: An electric work vehicle includes a frame, a first motor which is supported on the frame and is connected to a first gear device for driving a first wheel, and a second motor which is supported on the frame and is connected to a second gear device for driving a second wheel. A part on the outermost side of the first gear device in the right and left direction of the electric work vehicle is outside the frame. A part on the outermost side of the second gear device in the right and left direction of the electric work vehicle is outside the frame.SELECTED DRAWING: Figure 32

A work vehicle includes a hybrid transmission (4) configured to vary power from an engine (5) and output the power to a travel device, the hybrid transmission (4) including an electric transmission portion (11) including a motor generator (21, 22), and a gear transmission portion (12) including a gear driving mechanism (18, 19, 20, 23, 24, 25). The work vehicle includes an inverter (45) configured to drive the motor generator (21, 22). The work vehicle includes a pump (15) configured to cool the inverter (45) by supplying, to the inverter (45), a refrigerant for cooling the motor generator (21, 22).

To provide an electric work vehicle which has good weight balance thereof in a longitudinal direction and is compact in a lateral width thereof, and in which a power transmission structure between a motor and a transmission device is easily simplified.SOLUTION: An electric work vehicle is provided with a battery 4, a motor M that is driven by electric power supplied from the battery 4, front wheels 10 and rear wheels 11 which are driven by the motor M, a transmission device T arranged closer to a rear side than the battery 4 and behind the motor M, and a front transmission mechanism FT extending forward from the transmission device T, which is configured so that driving force of the motor M is transmitted through the transmission device T and the front transmission mechanism FT to the front wheels 10. Front axles that are axles of the front wheels 10 are arranged in a longitudinal width of the battery 4, below the battery 4, and the motor M is arranged closer to a rear side than the front axles.SELECTED DRAWING: Figure 1

An exemplary electric work vehicle includes a battery, an electric motor to which electric power is supplied from the battery, a travel unit that travels by a driving force of the electric motor, and a drive transmission unit that transmits the driving force of the electric motor to the travel unit. The electric motor and the drive transmission unit are disposed on one side of the battery.

Systems and methods for agricultural lane following are described. For example, a method includes accessing range data captured using a distance sensor connected to a vehicle and / or image data captured using an image sensor connected to a vehicle; detecting a crop row based on the range data and / or the image data to obtain position data for the crop row; determining, based on the position data for the crop row, a yaw and a lateral position of the vehicle with respect to a lane bounded by the crop row; and based on the yaw and the lateral position, controlling the vehicle to move along a length of the lane bounded by the crop row.

The invention relates to a method for determining the humidity of a soil over which rolls a tyre mounted on a vehicle, said tyre being provided with a sensor configured to acquire a measurement signal representative of the evolution of the curvature of the tyre as it rolls over the soil, comprising the following steps: - acquiring, by means of the sensor, a measurement signal representative of the evolution of the curvature of the tyre as it rolls, - determining, on the basis of the measurement signal, measurement data comprising: a) a first parameter (KSin) representative of a run-flat speed of the tyre when in contact with the soil, and b) a second parameter (KSout) representative of a rounding speed of the tyre when in contact with the soil, and - determining the humidity of the soil as a function of the first parameter (KSin) and of the second parameter (KSout).

Tire (1) for agricultural vehicle having the tread (2) radially inside a crown reinforcement (3) comprising crown layers (31, 32, 33, 34) comprising textile reinforcing elements. The tread (2) comprises a central portion and two lateral portions. The volumetric notch rate of the central portion (Pc) is between 35 and 45% and the volumetric notch rates of the lateral portions (Pl) are between 50 and 65%. The crown reinforcement (3) comprises at most 5 crown layers and the reinforcing elements of the crown layers (31, 32, 33, 34) have a tensile breaking force at least equal to 32 daN. Abstract figure: figure 3