CONTROL DEVICE OF WORK MACHINE
PROBLEM TO BE SOLVED: To provide a control device of a work machine capable of improving responsiveness, suppressing pressure fluctuation, and preventing strident noise such as beating noise from occurring. SOLUTION: A two-way variable displacement pump/motor 6 is connected to an electric motor/gene...
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| creator | MATSUBARA MORIHIKO MATOBA NOBUAKI |
| description | PROBLEM TO BE SOLVED: To provide a control device of a work machine capable of improving responsiveness, suppressing pressure fluctuation, and preventing strident noise such as beating noise from occurring. SOLUTION: A two-way variable displacement pump/motor 6 is connected to an electric motor/generator 4, and a hydraulic actuator F is connected to the variable displacement pump/motor 6. The variable displacement pump/motor 6 comprises a swash plate controller 6a having a swash plate for variable displacement and controlling the tilt angle of the swash plate. A controller 13 is connected to the swash plate controller 6a. The controller 13 controls the speed and power of the hydraulic actuator F by controlling the rotational speed of the electric motor/generator 4, and controllably suppresses the pressure fluctuation by controlling the variable displacement of the variable displacement pump/motor 6 while performing the feedback of the AC component of a differential pressure between the front and rear sides of the variable displacement pump/motor 6. COPYRIGHT: (C)2007,JPO&INPIT |
| format | Patent |
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SOLUTION: A two-way variable displacement pump/motor 6 is connected to an electric motor/generator 4, and a hydraulic actuator F is connected to the variable displacement pump/motor 6. The variable displacement pump/motor 6 comprises a swash plate controller 6a having a swash plate for variable displacement and controlling the tilt angle of the swash plate. A controller 13 is connected to the swash plate controller 6a. The controller 13 controls the speed and power of the hydraulic actuator F by controlling the rotational speed of the electric motor/generator 4, and controllably suppresses the pressure fluctuation by controlling the variable displacement of the variable displacement pump/motor 6 while performing the feedback of the AC component of a differential pressure between the front and rear sides of the variable displacement pump/motor 6. COPYRIGHT: (C)2007,JPO&INPIT</description><language>eng</language><subject>BLASTING ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; DREDGING ; FIXED CONSTRUCTIONS ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; FOUNDATIONS ; HEATING ; HYDRAULIC ENGINEERING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MECHANICAL ENGINEERING ; SOIL SHIFTING ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; WEAPONS</subject><creationdate>2006</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&date=20061214&DB=EPODOC&CC=JP&NR=2006336842A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20061214&DB=EPODOC&CC=JP&NR=2006336842A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MATSUBARA MORIHIKO</creatorcontrib><creatorcontrib>MATOBA NOBUAKI</creatorcontrib><title>CONTROL DEVICE OF WORK MACHINE</title><description>PROBLEM TO BE SOLVED: To provide a control device of a work machine capable of improving responsiveness, suppressing pressure fluctuation, and preventing strident noise such as beating noise from occurring. SOLUTION: A two-way variable displacement pump/motor 6 is connected to an electric motor/generator 4, and a hydraulic actuator F is connected to the variable displacement pump/motor 6. The variable displacement pump/motor 6 comprises a swash plate controller 6a having a swash plate for variable displacement and controlling the tilt angle of the swash plate. A controller 13 is connected to the swash plate controller 6a. The controller 13 controls the speed and power of the hydraulic actuator F by controlling the rotational speed of the electric motor/generator 4, and controllably suppresses the pressure fluctuation by controlling the variable displacement of the variable displacement pump/motor 6 while performing the feedback of the AC component of a differential pressure between the front and rear sides of the variable displacement pump/motor 6. COPYRIGHT: (C)2007,JPO&INPIT</description><subject>BLASTING</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>DREDGING</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>FOUNDATIONS</subject><subject>HEATING</subject><subject>HYDRAULIC ENGINEERING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>SOIL SHIFTING</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2006</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJBz9vcLCfL3UXBxDfN0dlXwd1MI9w_yVvB1dPbw9HPlYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBgZmxsZmFiZGjsZEKQIA4Ychmw</recordid><startdate>20061214</startdate><enddate>20061214</enddate><creator>MATSUBARA MORIHIKO</creator><creator>MATOBA NOBUAKI</creator><scope>EVB</scope></search><sort><creationdate>20061214</creationdate><title>CONTROL DEVICE OF WORK MACHINE</title><author>MATSUBARA MORIHIKO ; MATOBA NOBUAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2006336842A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2006</creationdate><topic>BLASTING</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>DREDGING</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>FOUNDATIONS</topic><topic>HEATING</topic><topic>HYDRAULIC ENGINEERING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>SOIL SHIFTING</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MATSUBARA MORIHIKO</creatorcontrib><creatorcontrib>MATOBA NOBUAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MATSUBARA MORIHIKO</au><au>MATOBA NOBUAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CONTROL DEVICE OF WORK MACHINE</title><date>2006-12-14</date><risdate>2006</risdate><abstract>PROBLEM TO BE SOLVED: To provide a control device of a work machine capable of improving responsiveness, suppressing pressure fluctuation, and preventing strident noise such as beating noise from occurring. SOLUTION: A two-way variable displacement pump/motor 6 is connected to an electric motor/generator 4, and a hydraulic actuator F is connected to the variable displacement pump/motor 6. The variable displacement pump/motor 6 comprises a swash plate controller 6a having a swash plate for variable displacement and controlling the tilt angle of the swash plate. A controller 13 is connected to the swash plate controller 6a. The controller 13 controls the speed and power of the hydraulic actuator F by controlling the rotational speed of the electric motor/generator 4, and controllably suppresses the pressure fluctuation by controlling the variable displacement of the variable displacement pump/motor 6 while performing the feedback of the AC component of a differential pressure between the front and rear sides of the variable displacement pump/motor 6. COPYRIGHT: (C)2007,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DREDGING FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS FOUNDATIONS HEATING HYDRAULIC ENGINEERING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SOIL SHIFTING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS |
| title | CONTROL DEVICE OF WORK MACHINE |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-25T10%3A58%3A50IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=MATSUBARA%20MORIHIKO&rft.date=2006-12-14&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJP2006336842A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |