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公开(公告)号：US20220325497A1
公开(公告)日：2022-10-13
申请号：US17229489
申请日：2021-04-13
Applicant: Caterpillar Inc.
Inventor： Shaun D. Currier , Eric W. Cler
IPC: E02F3/42
Abstract: A wheel loader machine includes a bucket configured to hold a predetermined load of a granular or powder material, a hydraulic system having an electro-hydraulic actuator to move the bucket over tilt angles and to shake the bucket, a hydraulic sensor configured to detect hydraulic pressure, an interface configured to receive input parameters and to output status information of the bucket, and a controller. The input parameters including a target weight of the granular or powder material. The status information including weight of the granular or powder material in the bucket determined using the detected hydraulic pressure. The controller configured to control the hydraulic system to tilt the bucket to a predetermined tilt angle and to shake the bucket in accordance with an agitation pattern until the weight of the granular or powder in the bucket is at or below the target weight of the granular or powder material.
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公开(公告)号：US11473270B2
公开(公告)日：2022-10-18
申请号：US16987896
申请日：2020-08-07
Applicant: Caterpillar Inc.
Inventor： Shaun D. Currier
Abstract: A system for assisting remote operation of a work machine may include a work machine and remote operations equipment arranged on the work machine. The remote operations equipment may be configured to capture information about the environment of the work machine and transmit the information to a remote control station. The system may also include a remote control station configured to display images of the environment of the work machine. The system may also include an operator assist module configured for augmenting the information with a feature delineator.
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公开(公告)号：US11708681B2
公开(公告)日：2023-07-25
申请号：US17229489
申请日：2021-04-13
Applicant: Caterpillar Inc.
Inventor： Shaun D. Currier , Eric W. Cler
CPC classification number: E02F3/42 , E02F3/434 , E02F9/2271
Abstract: A wheel loader machine includes a bucket configured to hold a predetermined load of a granular or powder material, a hydraulic system having an electro-hydraulic actuator to move the bucket over tilt angles and to shake the bucket, a hydraulic sensor configured to detect hydraulic pressure, an interface configured to receive input parameters and to output status information of the bucket, and a controller. The input parameters including a target weight of the granular or powder material. The status information including weight of the granular or powder material in the bucket determined using the detected hydraulic pressure. The controller configured to control the hydraulic system to tilt the bucket to a predetermined tilt angle and to shake the bucket in accordance with an agitation pattern until the weight of the granular or powder in the bucket is at or below the target weight of the granular or powder material.
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Patent Agency Ranking
公开(公告)号：US11009522B2
公开(公告)日：2021-05-18
申请号：US16125646
申请日：2018-09-07
Applicant: Caterpillar Inc.
Inventor： Shaun D. Currier
Abstract: A method for calibrating an acceleration sensor coupled to a machine may comprise: at a first position of a linkage of the machine, obtaining a first acceleration measurement from the acceleration sensor and obtaining from an input a first force value indicative of a first force on the linkage; at a second position of the linkage of the machine, obtaining a second acceleration measurement from the acceleration sensor and obtaining from the input a second force value indicative of a second force on the linkage; determining a rotational offset calibration value of the acceleration sensor as a function of the first acceleration measurement, the first force value, the second acceleration measurement, and the second force value; and using the rotational offset calibration value to calibrate the acceleration sensor.
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公开(公告)号：US20200081030A1
公开(公告)日：2020-03-12
申请号：US16125646
申请日：2018-09-07
Applicant: Caterpillar Inc.
Inventor： Shaun D. Currier
Abstract: A method for calibrating an acceleration sensor coupled to a machine may comprise: at a first position of a linkage of the machine, obtaining a first acceleration measurement from the acceleration sensor and obtaining from an input a first force value indicative of a first force on the linkage; at a second position of the linkage of the machine, obtaining a second acceleration measurement from the acceleration sensor and obtaining from the input a second force value indicative of a second force on the linkage; determining a rotational offset calibration value of the acceleration sensor as a function of the first acceleration measurement, the first force value, the second acceleration measurement, and the second force value; and using the rotational offset calibration value to calibrate the acceleration sensor.
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公开(公告)号：US20230359203A1
公开(公告)日：2023-11-09
申请号：US17737506
申请日：2022-05-05
Applicant: CATERPILLAR INC.
Inventor： Aaron R. Shatters , Jeffrey K. Berry , Shaun D. Currier
CPC classification number: G05D1/0094 , G05D1/0891 , G05D1/0223 , G05D2201/0202
Abstract: The state and stability of a machine and a threshold value for an acceptable level of the stability of the machine are determined based on different potential machine states or operations. Sensor inputs including machine speed and whether the machine is in a coasting mode, lift height of a payload, an articulation angle of the machine, a pitch angle, and a roll angle of the machine are used to generate a model for estimating a time series of values for the degree of stability of the machine by solving a physics-based equation or retrieving data from a database. The best estimates of a current degree of stability of the machine are used along with structural design information characterizing the machine, and other machine operational parameters including speed and whether the machine is in a coasting mode, and braking or other machine actions for retarding motion of the machine are automatically implemented without any operator intervention in order to maintain the degree of instability of the machine within an acceptable range.
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7.发明授权公开(公告)号：US11788258B2
公开(公告)日：2023-10-17
申请号：US16825249
申请日：2020-03-20
Applicant: Caterpillar Inc.
Inventor： Shaun D. Currier
Abstract: A method for determining implement load characteristics of a load carrying mobile machine includes receiving at least pressure data and position data associated with a payload received by the implement. The method also includes determining a locational value associated with the payload within the implement. The method further includes updating the locational value based on movement of the payload in the implement, the updated locational value being based at least on the pressure data, the position data, and predetermined physical parameters of the machine. The method further includes using the updated locational value to determine operational parameters of the machine.
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公开(公告)号：US11619921B2
公开(公告)日：2023-04-04
申请号：US16947703
申请日：2020-08-13
Applicant: Caterpillar Inc.
Inventor： Shaun D. Currier
IPC: G05B19/40 , B60P1/28 , G05B19/406 , E01C19/10 , B60P1/00
Abstract: A controller may obtain initial sensing data to determine an estimated weight associated with each initial load of one or more initial loads of material carried by an implement. The controller may identify an estimated weigh accuracy metric associated with each initial load and an estimated weight accuracy metric associated with a final load to be carried by the implement. The controller may determine a target weight for the final load based on the estimated weights of the one or more initial loads, the estimated weight accuracy metrics of the one or more initial loads, or the estimated weight accuracy metric associated with the final load. The controller may obtain final sensing data to determine an estimated weight associated with the final load and may cause the implement to perform one or more actions based on the estimated weight of the final load and the target weight.
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