CONTROL METHOD FOR VALVE OPERATION DEVICE AND CONTROL APPARATUS THEREFOR
PROBLEM TO BE SOLVED: To provide a valve-lift control method which avoids the transient error of a set valve lift while securing high operation accuracy and is improved based on the feedback of an adjustment distance. SOLUTION: In the control method of an operation device 30 for a valve, the period...
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| creator | SCHIEMANN JUERGEN |
| description | PROBLEM TO BE SOLVED: To provide a valve-lift control method which avoids the transient error of a set valve lift while securing high operation accuracy and is improved based on the feedback of an adjustment distance. SOLUTION: In the control method of an operation device 30 for a valve, the period of operation pulse of a control valve (MV1) for opening the valve 1 and another control valve (MV2) for closing it decides the adjustment distance of the valve. The opening or closing of the valve is performed by one lift or a plurality of partial lifts, and the operation pulse is associated to each lift or each partial lift. The valve includes a transmitter 38 which generates the signal (U_sgwv) having the values of a discrete adjustment distance (s_i) and an attachment time point (t_i), or those of a discrete time point (t_i) and an adjustment distance (s_i). The control method is carried out by a step for correcting the target period of the operation pulse or the target period of next operation pulse attached to the lift and partial lift correspondingly to the signal. COPYRIGHT: (C)2009,JPO&INPIT |
| format | Patent |
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SOLUTION: In the control method of an operation device 30 for a valve, the period of operation pulse of a control valve (MV1) for opening the valve 1 and another control valve (MV2) for closing it decides the adjustment distance of the valve. The opening or closing of the valve is performed by one lift or a plurality of partial lifts, and the operation pulse is associated to each lift or each partial lift. The valve includes a transmitter 38 which generates the signal (U_sgwv) having the values of a discrete adjustment distance (s_i) and an attachment time point (t_i), or those of a discrete time point (t_i) and an adjustment distance (s_i). The control method is carried out by a step for correcting the target period of the operation pulse or the target period of next operation pulse attached to the lift and partial lift correspondingly to the signal. COPYRIGHT: (C)2009,JPO&INPIT</description><language>eng</language><subject>BLASTING ; CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; STEAM ENGINES ; WEAPONS</subject><creationdate>2008</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=20081211&DB=EPODOC&CC=JP&NR=2008298078A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20081211&DB=EPODOC&CC=JP&NR=2008298078A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SCHIEMANN JUERGEN</creatorcontrib><title>CONTROL METHOD FOR VALVE OPERATION DEVICE AND CONTROL APPARATUS THEREFOR</title><description>PROBLEM TO BE SOLVED: To provide a valve-lift control method which avoids the transient error of a set valve lift while securing high operation accuracy and is improved based on the feedback of an adjustment distance. SOLUTION: In the control method of an operation device 30 for a valve, the period of operation pulse of a control valve (MV1) for opening the valve 1 and another control valve (MV2) for closing it decides the adjustment distance of the valve. The opening or closing of the valve is performed by one lift or a plurality of partial lifts, and the operation pulse is associated to each lift or each partial lift. The valve includes a transmitter 38 which generates the signal (U_sgwv) having the values of a discrete adjustment distance (s_i) and an attachment time point (t_i), or those of a discrete time point (t_i) and an adjustment distance (s_i). The control method is carried out by a step for correcting the target period of the operation pulse or the target period of next operation pulse attached to the lift and partial lift correspondingly to the signal. 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SOLUTION: In the control method of an operation device 30 for a valve, the period of operation pulse of a control valve (MV1) for opening the valve 1 and another control valve (MV2) for closing it decides the adjustment distance of the valve. The opening or closing of the valve is performed by one lift or a plurality of partial lifts, and the operation pulse is associated to each lift or each partial lift. The valve includes a transmitter 38 which generates the signal (U_sgwv) having the values of a discrete adjustment distance (s_i) and an attachment time point (t_i), or those of a discrete time point (t_i) and an adjustment distance (s_i). The control method is carried out by a step for correcting the target period of the operation pulse or the target period of next operation pulse attached to the lift and partial lift correspondingly to the signal. COPYRIGHT: (C)2009,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JP2008298078A |
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| subjects | BLASTING CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS |
| title | CONTROL METHOD FOR VALVE OPERATION DEVICE AND CONTROL APPARATUS THEREFOR |
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