CA2020234A1 - Automatic excavation control system and method - Google Patents

Automatic excavation control system and method

Info

Publication number
CA2020234A1
CA2020234A1 CA2020234A CA2020234A CA2020234A1 CA 2020234 A1 CA2020234 A1 CA 2020234A1 CA 2020234 A CA2020234 A CA 2020234A CA 2020234 A CA2020234 A CA 2020234A CA 2020234 A1 CA2020234 A1 CA 2020234A1
Authority
CA
Canada
Prior art keywords
work implement
control system
work
trench
implement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2020234A
Other languages
French (fr)
Other versions
CA2020234C (en
Inventor
William C. Sahm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Caterpillar Inc filed Critical Caterpillar Inc
Publication of CA2020234A1 publication Critical patent/CA2020234A1/en
Application granted granted Critical
Publication of CA2020234C publication Critical patent/CA2020234C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
    • E02F3/438—Memorising movements for repetition, e.g. play-back capability
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
    • E02F3/437—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like providing automatic sequences of movements, e.g. linear excavation, keeping dipper angle constant

Abstract

A control system and method automatically controls a work implement of an excavating machine to perform a complete excavation work cycle. Tn performing the work cycle, the control system automatically extends the work implement down into the trench, completes a dig stroke, captures the excavated material, swings the work implement to dump, dumps the load, returns the work implement to the trench, and repeats the work cycle until a trench is excavated according to operator programmed specifications. The control system monitors the position of the work implement and the forces exerted on the work implement and controllably actuates the work implement according to predetermined position and force setpoints.
CA002020234A 1989-08-17 1990-06-28 Automatic excavation control system and method Expired - Fee Related CA2020234C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US394,919 1989-08-17
US07/394,919 US5065326A (en) 1989-08-17 1989-08-17 Automatic excavation control system and method
PCT/US1989/004730 WO1991002853A1 (en) 1989-08-17 1989-10-20 Automatic excavation control system and method
USPCT/US89/04730 1989-10-26

Publications (2)

Publication Number Publication Date
CA2020234A1 true CA2020234A1 (en) 1991-02-18
CA2020234C CA2020234C (en) 2000-05-30

Family

ID=23560936

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002020234A Expired - Fee Related CA2020234C (en) 1989-08-17 1990-06-28 Automatic excavation control system and method

Country Status (8)

Country Link
US (1) US5065326A (en)
EP (1) EP0486491B1 (en)
JP (1) JP2793360B2 (en)
AU (1) AU4529689A (en)
BR (1) BR8907900A (en)
CA (1) CA2020234C (en)
DE (1) DE68918464T2 (en)
WO (1) WO1991002853A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115387416A (en) * 2021-07-30 2022-11-25 长江生态环保集团有限公司 Construction method for carrying out foundation pit exploration and excavation by adopting scouring exploration and excavation equipment

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115387416A (en) * 2021-07-30 2022-11-25 长江生态环保集团有限公司 Construction method for carrying out foundation pit exploration and excavation by adopting scouring exploration and excavation equipment
CN115387416B (en) * 2021-07-30 2023-08-15 长江生态环保集团有限公司 Construction method for foundation pit excavation by adopting scouring excavation equipment

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US5065326A (en) 1991-11-12
CA2020234C (en) 2000-05-30
BR8907900A (en) 1992-04-14
EP0486491A1 (en) 1992-05-27
WO1991002853A1 (en) 1991-03-07
DE68918464T2 (en) 1995-05-11
JPH04507271A (en) 1992-12-17
EP0486491B1 (en) 1994-09-21
DE68918464D1 (en) 1994-10-27
JP2793360B2 (en) 1998-09-03
AU4529689A (en) 1991-04-03

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