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公开(公告)号：US20250154743A1
公开(公告)日：2025-05-15
申请号：US18505808
申请日：2023-11-09
Applicant: Caterpillar Inc.
Inventor： Michael C. Gentle , Ethan M. Tevis , Nathaniel K. Harshman
Abstract: System and method for inhibiting damage to a moldboard of a mobile work machine including a blade pitch sensor, a camera configured to detect the blade cutting edge, and a controller configured to determine a maximum allowable pitch of the blade based upon current width of the cutting edge determined from a camera signal. The controller determines if the current measured pitch is greater than the maximum allowable pitch of the blade based upon characteristics of the mobile work machine and the current width of the cutting edge to prevent damage to the moldboard.
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公开(公告)号：US20250027292A1
公开(公告)日：2025-01-23
申请号：US18355613
申请日：2023-07-20
Applicant: Caterpillar Inc.
Inventor： Ethan M. Tevis , Michael C. Gentle
Abstract: A system for reverting an actual heading of a mobile construction equipment subject to load from one or more work implements to a desired heading, the mobile construction equipment having a front frame articulatable with respect to a rear frame, the front frame including a steering apparatus, the system including: a rear inertial motion unit disposed on the rear frame, the rear inertial motion unit for providing an actual rear frame yaw rate; a steering sensor for providing an actual steering angle of the steering apparatus; an articulation sensor for providing an actual articulation angle between the front frame and the rear frame; and a controller for: receiving the actual rear frame yaw rate, the actual steering angle, and the actual articulation angle to determine the actual heading, receiving a steering control indicating a desired steering angle of the steering apparatus and an articulation control indicating a desired articulation angle.
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公开(公告)号：US20250003180A1
公开(公告)日：2025-01-02
申请号：US18342946
申请日：2023-06-28
Applicant: Caterpillar Inc.
Inventor： Michael C. Gentle , Ethan M. Tevis
Abstract: A mobile construction equipment for operation on a surface having at least one longitudinal slope grade includes: a blade that is movable with respect to the mobile construction equipment, the blade having a first blade side and a second blade side opposite the first blade side, the blade imparting at least one cross slope grade on the surface; and a controller for receiving the at least one longitudinal slope grade, a first blade side position of the first blade side, and at least one target cross slope grade, and, based on the at least one longitudinal slope grade and the first blade side position, adjusting a second blade side position of the second blade side so as to impart the at least one target cross slope grade on the surface.
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公开(公告)号：US20240391526A1
公开(公告)日：2024-11-28
申请号：US18322925
申请日：2023-05-24
Applicant: Caterpillar Inc.
Inventor： Ethan M. Tevis , Michael C. Gentle , Timothy A. Evans
Abstract: A system for determining a total machine turning angle of a construction equipment having a front frame articulatable with respect to a rear frame, the front frame including a steering apparatus and the rear frame including a traction device, the construction equipment having a wheelbase, the system including: a first inertial motion unit disposed on the front frame or the rear frame, the first inertial motion unit providing a front frame yaw rate if disposed on the front frame or a rear frame yaw rate if disposed on the rear frame; a machine speed sensor providing a machine speed of the construction equipment; and a controller for receiving as inputs the wheelbase, machine speed, and either the front frame yaw rate or the rear frame yaw rate, and outputting the total machine turning angle based on the wheelbase, the machine speed, and either the front or rear frame yaw rate.
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公开(公告)号：US20230017936A1
公开(公告)日：2023-01-19
申请号：US17364382
申请日：2021-07-16
Applicant: Caterpillar Inc.
Inventor： Michael C. Gentle , Ethan M. Tevis , David L. Cox
Abstract: The present disclosure is directed to systems and methods for operating a grading machine. The method includes (i) receiving information indicating a current position of a moldboard of the grading machine; (ii) determining if the moldboard is moving toward an avoidance zone, and the avoidance zone is defined by a distance from a scarifier of the grading machine; and (iii) in response to a determination that the moldboard is moving toward the avoidance zone, adjusting at least one operating parameter of the moldboard or the scarifier of the grading machine.
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Patent Agency Ranking
公开(公告)号：US20230008505A1
公开(公告)日：2023-01-12
申请号：US17373463
申请日：2021-07-12
Applicant: Caterpillar Inc.
Inventor： Michael C. Gentle
Abstract: Systems to control movement of a motor grader include a sensor for providing a bounce signal indicative of a bouncing movement of the motor grader, and a controller programmed with instructions that, when executed: receive the bounce signal from the sensor; analyze the bounce signal from the sensor; determine whether the maximum amplitude of the bouncing movement exceeds a threshold; in response to determining whether the maximum amplitude exceeds the threshold, generate an articulation angle command signal to change an articulation angle of the motor grader; and transmit the articulation angle command signal to change the articulation angle.
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公开(公告)号：US10030366B2
公开(公告)日：2018-07-24
申请号：US15090191
申请日：2016-04-04
Applicant: Caterpillar Inc.
Inventor： Ethan M. Tevis , Karl Kirsch , Michael C. Gentle
CPC classification number: E02F9/26 , E02F3/7636 , E02F3/764 , E02F3/7645 , E02F3/765 , E02F3/7654 , E02F3/844 , E02F9/264
Abstract: In a motor grader, a total drawbar position may be determined based on signals from various sensors on a drawbar-circle-moldboard (DCM) assembly. The sensors can include rotational sensors for one or both lift arm angles, and one or both yoke primary angles in combination with sensors detecting lengths of the lift cylinders. The sensor information may be used to calculate roll, pitch and yaw angles of the drawbar relative to a frame of the motor grader.
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公开(公告)号：US12084829B2
公开(公告)日：2024-09-10
申请号：US17342403
申请日：2021-06-08
Applicant: Caterpillar Inc.
Inventor： Michael C. Gentle
CPC classification number: E02F3/844 , E02F3/7613 , E02F3/7636
Abstract: Systems and methods for automatically adjusting a motor grader can include receiving one or more identifiers corresponding to a configuration of the motor grader; determining, based at least in part on the one or more identifiers, a position of a leading edge of a blade of the motor grader relative to a rear frame axis of the motor grader; and, if the determined position is not within an operating threshold, causing a frame actuator of the motor grader to change an articulation angle of the frame to move the leading edge to within the acceptable threshold.
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公开(公告)号：US20220412043A1
公开(公告)日：2022-12-29
申请号：US17356394
申请日：2021-06-23
Applicant: Caterpillar Inc.
Inventor： Michael C. Gentle , Ethan M. Tevis , David L. Cox
Abstract: A computer-implemented method for automatically adjusting a moldboard of a motor grader can include receiving one or more identifiers corresponding to a configuration of the motor grader, and determining, based on the received identifier(s), a first orientation of the moldboard. If the first orientation is not within an operating threshold, the method can further include selecting, based on the one or more identifiers, at least one of a plurality of actuators of the motor grader; and actuating the selected actuator(s) to move the moldboard from the first orientation to a second orientation within the operating threshold.
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公开(公告)号：US11486113B2
公开(公告)日：2022-11-01
申请号：US16204611
申请日：2018-11-29
Applicant: Caterpillar Inc.
Inventor： Michael C. Gentle , Ethan M. Tevis
Abstract: A grading machine includes a machine body, a grading blade, and at least one grading blade sensor configured to sense a position and orientation of the grading blade. The grading machine also includes a drawbar connecting the grading blade to the machine body, at least one drawbar sensor configured to sense a position and orientation of the drawbar, a user interface, and a control system. The control system may be configured to receive an input from the user interface and perform an automatic turnaround operation.
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