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COMPACT ARTICULATED-STEERING LOADER
20230058080 · 2023-02-23 ·

A compact articulated-steering loader is provided. The loader includes a front portion having a first pair wheels and a seat reference point (SgRP) for an operator. The loader also includes a rear portion having a second pair of wheels, wherein the rear portion is coupled to the front portion via a vertical articulation axis. The loader includes one or a pair of loader arms coupled to the front portion via a horizontal arm pivot axis, the one or a pair of loader arms having a bucket or an attachment interface for a bucket at a distal portion thereof. The arm pivot axis is disposed to the rear of the SgRP. The loader also includes a power source disposed on the front frame. The power source is coupled to at least one of the first and second pairs of wheels to provide motive power for the loader.

System and method for estimating the weight of a load carried by an implement of a work vehicle
11585072 · 2023-02-21 · ·

A method for estimating load weights for a work vehicle including a boom pivotably coupled to the chassis of the work vehicle at a boom joint and an implement pivotably coupled to the boom at an implement joint may include receiving an input indicative of a tilt force associated with a tilt cylinder configured to pivot the implement about the implement joint, and an input indicative of a lift force associated with a lift cylinder configured to pivot the boom about the boom joint. The method may further include determining a torque about the implement joint caused by the load based on the tilt force and determining a torque about the boom joint caused by the load based on the lift and tilt forces. Additionally, the method may include estimating a weight of the load based on the torques about the boom and implement joints.

Shovel
11572676 · 2023-02-07 · ·

A shovel includes a lower traveling body, an upper turning body mounted on the lower traveling body, an excavation attachment attached to the upper turning body, a posture detecting device configured to detect the posture of the excavation attachment, an instability detecting device configured to detect information on the instability of the upper turning body due to an excavation load, and a processor configured to correct the posture of the excavation attachment. The processor is configured to open an arm or a bucket of the excavation attachment in response to determining, based on the outputs of the posture detecting device and the instability detecting device, that the excavation load during deep excavation is more than or equal to a predetermined value.

METHOD OF CONTROLLING WORKING MACHINE, CONTROL SYSTEM AND WORKING MACHINE
20230103247 · 2023-03-30 ·

The invention relates to a method of controlling a working machine. The working machine comprises a first power source arranged to drive a mechanical driveline, a hydraulic system comprising a hydraulic pump and an actuator arranged to be driven to move by the hydraulic pump, where the hydraulic pump is separated from, or disconnectable from, the first power source. The method comprises determining whether the working machine is in an increased response mode. The method further comprises increasing a response of the hydraulic system upon determining that the working machine is in the increased response mode.

Extracting mined ore, minerals or other materials using sensor-based sorting

A method of analyzing minerals received within a mining shovel bucket includes collecting data associated with ore received in the bucket, where the bucket includes at least one active sensor, where the ore includes one or more mineral, and where the ore is within a field of the active sensor. The method further includes determining a content of the minerals using the data, transmitting information relating to the content of the minerals to a decision support system, and sorting or processing the ore based on an output of the decision support system. Collecting data associated with the ores may include generating source signals, applying the source signals to the active sensor, collecting a response from the active sensor, and comparing the response with a reference or threshold. Other features are disclosed.

Extracting mined ore, minerals or other materials using sensor-based sorting

A method of analyzing minerals received within a mining shovel bucket includes collecting data associated with ore received in the bucket, where the bucket includes at least one active sensor, where the ore includes one or more mineral, and where the ore is within a field of the active sensor. The method further includes determining a content of the minerals using the data, transmitting information relating to the content of the minerals to a decision support system, and sorting or processing the ore based on an output of the decision support system. Collecting data associated with the ores may include generating source signals, applying the source signals to the active sensor, collecting a response from the active sensor, and comparing the response with a reference or threshold. Other features are disclosed.

WORKING SYSTEM, COMPUTER IMPLEMENTED METHOD, METHOD FOR PRODUCING TRAINED POSTURE ESTIMATION MODEL, AND TRAINING DATA
20230106835 · 2023-04-06 · ·

A target posture for a work implement at work is determined. There is provided a working system, comprising a body, a work implement attached to the body, and a computer. The computer has a trained target posture estimation model to determine a target posture for the work implement to assume at work. The computer obtains a target value for an amount of a work performed by the work implement, a period of time elapsing since the work implement started to work, and mechanical data for operation of the body and the work implement, uses the trained posture estimation model to estimate a target posture from the target value, the elapsed period of time and the mechanical data, and thus outputs the estimated target posture.

Wheel loader configured to determine a reduction value of a traveling drive force

Provided is a wheel loader capable of exhibiting sufficient excavation performance while suppressing slip during excavation. A control device provided on a wheel loader according to the present invention is configured to determine a reduction value (Δf′) of traveling drive force based on first vehicle body acceleration (av1) of a vehicle body calculated from acceleration detected by an acceleration sensor, second vehicle body acceleration (av2) of the vehicle body calculated from rotational speed of wheels detected by a rotational speed sensor, and thrust (ph) of a hydraulic cylinder detected by a thrust sensor, and reduce the traveling drive force based on the reduction value and output the reduced traveling drive force.

Hydraulic system and methods for an earthmoving machine

A hydraulic system for a machine includes an implement pump, a valve, and an implement valve subsystem. The implement pump includes a load sensing control, and the valve controls the flow of hydraulic fluid to the implement pump. The implement valve subsystem includes one or more implement control subsystems to control movement of an implement. The valve is an electrohydraulic proportional relief valve and includes a solenoid configured to adjust the pressure of hydraulic fluid delivered to the implement pump proportionally to a current delivered through the solenoid.

System and method for monitoring a machine operating at a worksite

A method for monitoring a machine operating at a worksite, is provided. The machine includes an implement for performing one or more implement operations and is configured to be propelled by a set of ground engaging members between a first location and second location. A first input indicative of start of a travelling operation of the machine after completion of a first implement operation at the first location, is received. One or more transmission parameters associated with the machine are determined, when the machine moves from first location to second location. A second input indicative of end of the travelling operation at start of a second implement operation at the second location is received. A number of revolutions completed by ground engaging members between the first location and the second location is determined based on the transmission parameters. The number of revolutions is displayed on input/output device associated with machine.