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TRACK WEAR DETECTION BASED ON PRESSURE DATA AND FLOW DATA
20220063636 · 2022-03-03 · ·

In some implementations, a controller may obtain, during an event, pressure data regarding an amount of pressure of fluid associated with a component of the machine. The controller may obtain, during the event, flow data regarding a flow of the fluid associated with the component of the machine. The controller may determine, based on the pressure data and the flow data, an amount of wear of a track of the machine. The controller may perform an action based on the amount of wear of the track of the machine.

Operator detection system

A work machine may include a steering system, a user interface, a detection device, and a control device. The user interface may generate an input signal corresponding to operator input. The detection device may generate a detection signal corresponding to a presence of an operator relative to the user interface. The control device may determine that the operator is unavailable based on the detection signal and the input signal, and enable a lockout mode based on determining that the operator is unavailable. The control device may determine, while the lockout mode is enabled, a readiness indicator. The readiness indicator may confirm a readiness of the operator based on determining that the detection signal satisfies a readiness criterion. The control device may disable the lockout mode based on determining that the readiness criterion is satisfied.

BUCKET TOOTH MONITORING SYSTEM
20210324611 · 2021-10-21 · ·

According to some implementations, a magnetic sensor may include a communication device; a magnetic switch; and a controller configured to: determine whether the magnetic switch is actuated by a magnet associated with the bucket tooth; generate, based on determining whether the magnetic switch is actuated, a message concerning an attachment status of the bucket tooth; and cause the communication device to wirelessly transmit the message.

WHEEL LOADER
20210317632 · 2021-10-14 ·

Provided is a wheel loader capable of reducing erroneous determination of rear wheel lifting. The wheel loader 1 includes a controller 5 for determining a rear wheel lifting state where rear wheels 11B are lifted upwardly. The controller 5 is configured to, when a temporal change rate α of a bucket operation angle becomes a temporal change rate of a bucket operation angle necessary for a tilt operation of a bucket 23 during an excavation operation and a temporal change rate β of a vehicle body inclination angle estimated by the controller 5 becomes a temporal change rate of an obliquely upward inclination state of a rear vehicle body with respect to a front vehicle body, turn on a correlation flag indicating a correlation between an operation state of the bucket 23 and an inclination state of a vehicle body to determine a rear wheel lifting.

Work machine with automatic detection of positioning correction data transmitters
11142892 · 2021-10-12 · ·

A method performed by a computing system for a work machine at a worksite includes automatically identifying a set of local devices corresponding to the worksite based on signals detected from the set of local devices. Each of the local devices is configured to transmit correction data for correcting position data derived from a satellite navigation signal. One or more of the local devices is selected from the set of local devices, and the satellite navigation system is received, and used to generate the position data indicative of a geographic position of the work machine at the worksite. The method includes receiving the correction data from the one or more local devices, generating corrected position data by applying the correction data to the position data, and controlling the work machine based on the corrected position data.

Working machine

Work efficiency is improved while necessary and sufficient monitoring on the surroundings of a working machine is performed. A working machine includes an undercarriage 132 on which an upperstructure 131 including a front working device is mounted in a swingable manner, and includes a surrounding monitoring device 200 that monitors surroundings. The surrounding monitoring device 200 has an information controller 161 that: sets a working region by use of terrain data and work states received from sensors detecting work states of the front working device of the working machine; calculates proximity for each of the obstacles around the working machine by use of the working regions and relative positions of each of obstacles and the working machine, the obstacles being detected by an obstacle sensor that detects obstacles around the working machine; and outputs a control instruction in accordance with the proximity.

METHOD AND SYSTEM TO SECURELY MANAGE QUICK COUPLING OF TOOLS IN AN EARTH MOVING EQUIPMENT
20210270008 · 2021-09-02 ·

A control device and method for controlling a disengaging actuator (1) of a tool attachment, the device comprising a three-state switch (2), with a middle neutral position (20), a first end position (21), and a second end position (22), a control unit (3, 3′) having an input corresponding to an activation of the first end position (21), an electro-valve (4) coupled hydraulically to the disengaging actuator (1), having a coil (40), a first control line (41) and a second control line (42) coupled respectively to first and second terminals of the coil (40) of the electro-valve, wherein one of the first and second control lines is coupled to the second end position (22) of the three-state switch and the other of the first and second control lines is coupled to an output of the control unit, such that both control lines have to be activated to allow disengagement.

INDEX-VALUE DETERMINATION DEVICE AND INDEX-VALUE DETERMINATION METHOD
20210292999 · 2021-09-23 · ·

A state data acquisition unit acquires state data indicating a state of a work machine at a plurality of times. A work determination unit determines a classification of a work of the work machine for each of the plurality of times based on the acquired state data. A period determination unit determines a start point and an end point of a period related to a predetermined classification among determined classifications of works. An index-value determination unit obtains an index value of the state of the work machine from the start point to the end point.

Vehicle control system with track temperature sensing

A work vehicle may include a load sensor, an engine, a drive train driven by the engine and a track system including at least one track. The track system is connected to the drive train. The work vehicle may further comprise a temperature sensor configured to sense a temperature and a vehicle control system configured to receive the sensed temperature and a vehicle load from the load sensor. The vehicle control system is configured to output a work speed vehicle alert based upon a combination of the temperature sensed by the temperature sensor and the vehicle load sensed by the load sensor.

TERMINAL DEVICE, WORK MACHINE SYSTEM, INFORMATION PROCESSING METHOD, AND SERVER DEVICE

A terminal device includes a processor and a display. The processor causes the display to display a portion of a plurality of portions of a work machine which is a candidate inferred to be a cause of a failure of the work machine. The processor further causes the display to display a video or a plurality of images showing a disassembly procedure for disassembling the work machine until the portion that is the candidate is exposed.