WORK MACHINE AND CONTROL METHOD FOR WORK MACHINE

To provide a work machine configured so that deterioration in workability and runability can be suppressed while suppressing generation of excessive accelerating force.SOLUTION: A controller controls an instrument driving system according to operation amounts of a work machine operating member. The...

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Hauptverfasser: YAMADA KENICHI, TAKENAKA YUTA
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TAKENAKA YUTA
description To provide a work machine configured so that deterioration in workability and runability can be suppressed while suppressing generation of excessive accelerating force.SOLUTION: A controller controls an instrument driving system according to operation amounts of a work machine operating member. The controller determines target traction force for a running/driving system on the basis of an operation amount of an accelerator operating member. The controller determines allowable acceleration for a work vehicle. The controller determines an upper limit value of traction force for the running/driving system on the basis of the allowable acceleration. The controller, when the target traction force is larger than the upper limit value, corrects the target traction force so that the force falls below the upper limit value. The controller controls the running/driving system on the basis of the corrected target traction force.SELECTED DRAWING: Figure 5 【課題】過大な加速力の発生を抑えながら作業性と走行性との低下を抑えることができる作業機械を提供する。【解決手段】コントローラは、作業機操作部材の操作量に応じて、機器駆動系を制御する。コントローラは、アクセル操作部材の操作量に基づいて、走行駆動系の目標牽引力を決定する。コントローラは、作業車両の許容加速度を決定する。コントローラは、許容加速度に基づいて、走行駆動系の牽引力の上限値を決定する。コントローラは、目標牽引力が上限値より大きいときには、上限値以下となるように目標牽引力を補正する。コントローラは、補正された目標牽引力に基づいて、走行駆動系を制御する。【選択図】図5
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The controller determines target traction force for a running/driving system on the basis of an operation amount of an accelerator operating member. The controller determines allowable acceleration for a work vehicle. The controller determines an upper limit value of traction force for the running/driving system on the basis of the allowable acceleration. The controller, when the target traction force is larger than the upper limit value, corrects the target traction force so that the force falls below the upper limit value. The controller controls the running/driving system on the basis of the corrected target traction force.SELECTED DRAWING: Figure 5 【課題】過大な加速力の発生を抑えながら作業性と走行性との低下を抑えることができる作業機械を提供する。【解決手段】コントローラは、作業機操作部材の操作量に応じて、機器駆動系を制御する。コントローラは、アクセル操作部材の操作量に基づいて、走行駆動系の目標牽引力を決定する。コントローラは、作業車両の許容加速度を決定する。コントローラは、許容加速度に基づいて、走行駆動系の牽引力の上限値を決定する。コントローラは、目標牽引力が上限値より大きいときには、上限値以下となるように目標牽引力を補正する。コントローラは、補正された目標牽引力に基づいて、走行駆動系を制御する。【選択図】図5</description><language>eng ; jpn</language><subject>BLASTING ; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION ; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ; DREDGING ; ENGINEERING ELEMENTS AND UNITS ; FIXED CONSTRUCTIONS ; FOUNDATIONS ; GEARING ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; HYDRAULIC ENGINEERING ; LIGHTING ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT ; SOIL SHIFTING ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; VEHICLES IN GENERAL ; WEAPONS</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20201001&amp;DB=EPODOC&amp;CC=JP&amp;NR=2020158087A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20201001&amp;DB=EPODOC&amp;CC=JP&amp;NR=2020158087A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAMADA KENICHI</creatorcontrib><creatorcontrib>TAKENAKA YUTA</creatorcontrib><title>WORK MACHINE AND CONTROL METHOD FOR WORK MACHINE</title><description>To provide a work machine configured so that deterioration in workability and runability can be suppressed while suppressing generation of excessive accelerating force.SOLUTION: A controller controls an instrument driving system according to operation amounts of a work machine operating member. The controller determines target traction force for a running/driving system on the basis of an operation amount of an accelerator operating member. The controller determines allowable acceleration for a work vehicle. The controller determines an upper limit value of traction force for the running/driving system on the basis of the allowable acceleration. The controller, when the target traction force is larger than the upper limit value, corrects the target traction force so that the force falls below the upper limit value. The controller controls the running/driving system on the basis of the corrected target traction force.SELECTED DRAWING: Figure 5 【課題】過大な加速力の発生を抑えながら作業性と走行性との低下を抑えることができる作業機械を提供する。【解決手段】コントローラは、作業機操作部材の操作量に応じて、機器駆動系を制御する。コントローラは、アクセル操作部材の操作量に基づいて、走行駆動系の目標牽引力を決定する。コントローラは、作業車両の許容加速度を決定する。コントローラは、許容加速度に基づいて、走行駆動系の牽引力の上限値を決定する。コントローラは、目標牽引力が上限値より大きいときには、上限値以下となるように目標牽引力を補正する。コントローラは、補正された目標牽引力に基づいて、走行駆動系を制御する。【選択図】図5</description><subject>BLASTING</subject><subject>CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION</subject><subject>CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES</subject><subject>DREDGING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FOUNDATIONS</subject><subject>GEARING</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>HYDRAULIC ENGINEERING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT</subject><subject>SOIL SHIFTING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAI9w_yVvB1dPbw9HNVcPRzUXD29wsJ8vdR8HUN8fB3UXDzD1JAVsPDwJqWmFOcyguluRmU3FxDnD10Uwvy41OLCxKTU_NSS-K9AowMjAwMTS0MLMwdjYlSBABbyiZ5</recordid><startdate>20201001</startdate><enddate>20201001</enddate><creator>YAMADA KENICHI</creator><creator>TAKENAKA YUTA</creator><scope>EVB</scope></search><sort><creationdate>20201001</creationdate><title>WORK MACHINE AND CONTROL METHOD FOR WORK MACHINE</title><author>YAMADA KENICHI ; TAKENAKA YUTA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2020158087A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2020</creationdate><topic>BLASTING</topic><topic>CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION</topic><topic>CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES</topic><topic>DREDGING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FOUNDATIONS</topic><topic>GEARING</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>HYDRAULIC ENGINEERING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT</topic><topic>SOIL SHIFTING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>YAMADA KENICHI</creatorcontrib><creatorcontrib>TAKENAKA YUTA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YAMADA KENICHI</au><au>TAKENAKA YUTA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>WORK MACHINE AND CONTROL METHOD FOR WORK MACHINE</title><date>2020-10-01</date><risdate>2020</risdate><abstract>To provide a work machine configured so that deterioration in workability and runability can be suppressed while suppressing generation of excessive accelerating force.SOLUTION: A controller controls an instrument driving system according to operation amounts of a work machine operating member. The controller determines target traction force for a running/driving system on the basis of an operation amount of an accelerator operating member. The controller determines allowable acceleration for a work vehicle. The controller determines an upper limit value of traction force for the running/driving system on the basis of the allowable acceleration. The controller, when the target traction force is larger than the upper limit value, corrects the target traction force so that the force falls below the upper limit value. The controller controls the running/driving system on the basis of the corrected target traction force.SELECTED DRAWING: Figure 5 【課題】過大な加速力の発生を抑えながら作業性と走行性との低下を抑えることができる作業機械を提供する。【解決手段】コントローラは、作業機操作部材の操作量に応じて、機器駆動系を制御する。コントローラは、アクセル操作部材の操作量に基づいて、走行駆動系の目標牽引力を決定する。コントローラは、作業車両の許容加速度を決定する。コントローラは、許容加速度に基づいて、走行駆動系の牽引力の上限値を決定する。コントローラは、目標牽引力が上限値より大きいときには、上限値以下となるように目標牽引力を補正する。コントローラは、補正された目標牽引力に基づいて、走行駆動系を制御する。【選択図】図5</abstract><oa>free_for_read</oa></addata></record>
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language eng ; jpn
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subjects BLASTING
CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION
CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES
DREDGING
ENGINEERING ELEMENTS AND UNITS
FIXED CONSTRUCTIONS
FOUNDATIONS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HYDRAULIC ENGINEERING
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT
SOIL SHIFTING
THERMAL INSULATION IN GENERAL
TRANSPORTING
VEHICLES IN GENERAL
WEAPONS
title WORK MACHINE AND CONTROL METHOD FOR WORK MACHINE
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