JP2009243262A - 地ならし機の動的安定化および制御 - Google Patents
地ならし機の動的安定化および制御 Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2025—Particular purposes of control systems not otherwise provided for
- E02F9/2045—Guiding machines along a predetermined path
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- 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
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
- E02F3/841—Devices for controlling and guiding the whole machine, e.g. by feeler elements and reference lines placed exteriorly of the machine
- E02F3/842—Devices for controlling and guiding the whole machine, e.g. by feeler elements and reference lines placed exteriorly of the machine using electromagnetic, optical or photoelectric beams, e.g. laser beams
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- 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
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
- E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
- E02F3/847—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically using electromagnetic, optical or acoustic beams to determine the blade position, e.g. laser beams
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0276—Control of position or course in two dimensions specially adapted to land vehicles using signals provided by a source external to the vehicle
- G05D1/0278—Control of position or course in two dimensions specially adapted to land vehicles using signals provided by a source external to the vehicle using satellite positioning signals, e.g. GPS
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- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
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- Aviation & Aerospace Engineering (AREA)
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- Automation & Control Theory (AREA)
- Operation Control Of Excavators (AREA)
Abstract
【解決手段】機械は、地ならし機上で長手方向に取り付けられた第1および第2の衛星アンテナを備える。第3の衛星ナビゲーション・アンテナが、地ならし機の動作要素に取り付けられた柱に取り付けられている。一実施形態では、地ならし機はブルドーザであり、動作要素はブルドーザの刃である。機械はさらに、重力基準センサと、機械に取り付けられた複数のジャイロスコープとを備える。コンピュータ・プロセッサは、様々な構成部品から受信したセンサ・データに基づき制御信号を発生させる。開示されたシステムおよび方法により、望まない振動を発展させることなく、比較的速い速度で地ならし機の動的安定動作が可能になる。
【選択図】図1A
Description
Claims (14)
- 前記機械に取り付けられたセンサからのデータを使用して、機械の現在の状態を判断する工程と、
前の期間からの前記現在の状態およびフィルタリングされた位置情報を使用して、機械の将来の状態を予測する工程と、
前記判断された状態および前記予測された状態を使用して、小さな誤差状態を算出する工程と、
前記小さな誤差状態を使用して、機械の遅延補償状態を算出する工程と、
前記遅延補償状態を使用して、前記機械の少なくとも1つの動作要素用制御信号を算出する工程と、
前記少なくとも1つの動作要素に前記制御信号を加える工程とを含む、機械を操作する方法。 - 前記予測工程はさらに、Kalmanフィルタリングの工程を含む、請求項1に記載の方法。
- 前記機械はブルドーザであり、前記少なくとも1つの動作要素は刃であり、前記制御信号を算出する工程はさらに、前記刃の上昇および傾斜用の制御信号を算出する工程を含む、請求項1に記載の方法。
- 前記予測工程はさらに、前記機械の一般化された速度を算出する工程と、
前の期間からの時間間隔を算出する工程と、
現在と前の期間の間の前記一般化された速度を推定する工程と、
前の期間からの時間間隔に対して積分された一般化された速度、および前の機械状態推測を加える工程を含む、請求項1に記載の方法。 - 前記機械の遅延補償状態を算出する工程はさらに、前記遅延の間隔の前に前記一般化された速度を推定する工程を含む、請求項4に記載の方法。
- 前記機械の少なくとも1つの動作要素用制御信号を算出する工程はさらに、設計表面データを使用して、前記機械の状態空間内で目標マニホールドを算出する工程と、
前記状態空間内で制御信号依存ベクトル場を算出する工程と、
前記目標マニホールドの許容近似値に到達するためにに、機械状態に必要な時間を最小限に抑えるため、前記状態空間内で前記ベクトル場を方向付ける制御信号を発生させる工程とを含む、請求項1に記載の方法。 - 前記機械の状態は、前記機械メインフレームの位置、前記機械メインフレームの方向、前記機械の刃の位置、前記刃の制御機構の位置の1つまたは複数を含む、請求項1に記載の方法。
- 機械制御システムを実施するようにコンピュータ・プロセッサ上で実行可能であるコンピュータ・プログラム指示を記憶するコンピュータ読取り可能媒体であって、前記機械に取り付けられたセンサからのデータを使用して、前記機械の現在の状態を判断する工程と、
前の期間からの前記現在の状態およびフィルタリングされた位置情報を使用して、前記機械の将来の状態を予測する工程と、
前記判断された状態および前記予測された状態を使用して、小さな誤差状態を算出する工程と、
前記小さな誤差状態を使用して、前記機械の遅延補償状態を算出する工程と、
前記遅延補償状態を使用して、前記機械の少なくとも1つの動作要素用制御信号を算出する工程と、
前記少なくとも1つの動作要素に前記制御信号を加える工程とを規定する指示を含む媒体。 - 前記予測工程を規定する前記コンピュータ・プログラム指示はさらに、Kalmanフィルタリングの工程を規定するコンピュータ・プログラム指示を含む、請求項8に記載のコンピュータ読取り可能媒体。
- 前記機械はブルドーザであり、前記少なくとも1つの動作要素は刃であり、前記制御信号を算出する工程を規定する前記コンピュータ・プログラム指示はさらに、前記刃の上昇および傾斜用制御信号を算出する工程を規定するコンピュータ・プログラム指示を含む、請求項8に記載のコンピュータ読取り可能媒体。
- 予測工程を規定する前記コンピュータ・プログラム指示はさらに、前記機械の一般化された速度を算出する工程と、
前の期間からの時間間隔を算出する工程と、
前記現在と前の期間の間の前記一般化された速度を補間する工程と、
前の期間からの時間間隔に対して積分された一般化された速度、および前の機械状態推測を加える工程を規定するコンピュータ・プログラム指示を含む、請求項8に記載のコンピュータ読取り可能媒体。 - 前記機械の遅延補償状態を算出する工程を規定する前記コンピュータ・プログラム指示はさらに、前記遅延の間隔の前に前記一般化された速度を推定する工程を規定するコンピュータ・プログラム指示を含む、請求項11に記載のコンピュータ読取り可能媒体。
- 前記機械の少なくとも1つの動作要素用制御信号を算出する工程を規定する前記コンピュータ・プログラム指示はさらに、設計表面データを使用して、前記機械の状態空間内で目標マニホールドを算出する工程と、
前記状態空間内で制御信号依存ベクトル場を算出する工程と、
前記目標マニホールドの許容近似値に到達するため前記機械状態に必要な時間を最小限に抑えるように、前記状態空間内で前記ベクトル場を方向付ける制御信号を発生させる工程とを規定するコンピュータ・プログラム指示を含む、請求項8に記載のコンピュータ読取り可能媒体。 - 前記機械の状態は、前記機械のメインフレームの位置、前記機械メインフレームの方向、前記機械の刃の位置、前記刃の制御機構の位置の1つまたは複数を含む、請求項8に記載のコンピュータ読取り可能媒体。
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Application Number | Priority Date | Filing Date | Title |
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US10/924,018 US7317977B2 (en) | 2004-08-23 | 2004-08-23 | Dynamic stabilization and control of an earthmoving machine |
US10/924018 | 2004-08-23 |
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JP2005239697A Division JP2006057448A (ja) | 2004-08-23 | 2005-08-22 | 地ならし機の動的安定化および制御 |
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JP2009243262A true JP2009243262A (ja) | 2009-10-22 |
JP5356141B2 JP5356141B2 (ja) | 2013-12-04 |
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JP2005239697A Pending JP2006057448A (ja) | 2004-08-23 | 2005-08-22 | 地ならし機の動的安定化および制御 |
JP2009175077A Active JP5356141B2 (ja) | 2004-08-23 | 2009-07-28 | 地ならし機の動的安定化および制御 |
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US (1) | US7317977B2 (ja) |
EP (1) | EP1630636B1 (ja) |
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CA (1) | CA2514027C (ja) |
ES (1) | ES2420655T3 (ja) |
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CN103154386B (zh) * | 2011-09-30 | 2014-07-02 | 株式会社小松制作所 | 建筑机械 |
KR20210008065A (ko) * | 2019-03-29 | 2021-01-20 | 히다찌 겐끼 가부시키가이샤 | 작업 기계 |
KR102428131B1 (ko) | 2019-03-29 | 2022-08-02 | 히다찌 겐끼 가부시키가이샤 | 작업 기계 |
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JP2006057448A (ja) | 2006-03-02 |
CA2514027C (en) | 2009-04-14 |
ES2420655T3 (es) | 2013-08-26 |
JP5356141B2 (ja) | 2013-12-04 |
US20060041361A1 (en) | 2006-02-23 |
CA2514027A1 (en) | 2006-02-23 |
US7317977B2 (en) | 2008-01-08 |
EP1630636B1 (en) | 2013-04-10 |
EP1630636A3 (en) | 2006-12-20 |
EP1630636A2 (en) | 2006-03-01 |
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