Sistema de controle, de uma transmissão de câmbio automático de veículo, sistema baseado em microprocessador, e, processo para controlar a pressurização do elemento de controle
A description is given of a control system (30) and a method for controlling the control elements (22) (clutches, brakes) of a vehicle power-shift transmission (20). The control system (30) contains a microprocessor which periodically executes an algorithm and which has a memory in which a sequentia...
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| creator | DENNIS LEE JEFFRIES DAVID EUGENE BRANDON PETER LESLIE FALCK |
| description | A description is given of a control system (30) and a method for controlling the control elements (22) (clutches, brakes) of a vehicle power-shift transmission (20). The control system (30) contains a microprocessor which periodically executes an algorithm and which has a memory in which a sequential set of time reference values (TE(i)) and a sequential set of pressure guide values (PE(i)) are stored. During filling periods (Twake(el)), which are characteristic of the control elements (22), the control system (30) applies a filling-pressure pulse to each element (22) coming into operation. After the filling of the control elements (22), the control system (30) determines changeover time values (t(sft)), which are formed as a function of the filling period (Twake(el)). The control system (30) applies pressure signals to the control elements (22) at times which are represented by the changeover time values (t(sft)) and are characteristic of each element (22). Following a synchronis starting time (tr), the control system (30) determines synchronism changeover time values, which are equal for all the control elements (22). Following the synchronism starting time (tr), the control system (30) furthermore applies pressure signals to the control elements (22) at times which are determined as a function of the synchronism changeover time values. |
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The control system (30) contains a microprocessor which periodically executes an algorithm and which has a memory in which a sequential set of time reference values (TE(i)) and a sequential set of pressure guide values (PE(i)) are stored. During filling periods (Twake(el)), which are characteristic of the control elements (22), the control system (30) applies a filling-pressure pulse to each element (22) coming into operation. After the filling of the control elements (22), the control system (30) determines changeover time values (t(sft)), which are formed as a function of the filling period (Twake(el)). The control system (30) applies pressure signals to the control elements (22) at times which are represented by the changeover time values (t(sft)) and are characteristic of each element (22). Following a synchronis starting time (tr), the control system (30) determines synchronism changeover time values, which are equal for all the control elements (22). Following the synchronism starting time (tr), the control system (30) furthermore applies pressure signals to the control elements (22) at times which are determined as a function of the synchronism changeover time values.</description><edition>5</edition><language>por</language><subject>BLASTING ; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION ; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ; ENGINEERING ELEMENTS AND UNITS ; GEARING ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; VEHICLES IN GENERAL ; WEAPONS</subject><creationdate>1995</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=19950314&DB=EPODOC&CC=BR&NR=9402457A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950314&DB=EPODOC&CC=BR&NR=9402457A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DENNIS LEE JEFFRIES</creatorcontrib><creatorcontrib>DAVID EUGENE BRANDON</creatorcontrib><creatorcontrib>PETER LESLIE FALCK</creatorcontrib><title>Sistema de controle, de uma transmissão de câmbio automático de veículo, sistema baseado em microprocessador, e, processo para controlar a pressurização do elemento de controle</title><description>A description is given of a control system (30) and a method for controlling the control elements (22) (clutches, brakes) of a vehicle power-shift transmission (20). The control system (30) contains a microprocessor which periodically executes an algorithm and which has a memory in which a sequential set of time reference values (TE(i)) and a sequential set of pressure guide values (PE(i)) are stored. During filling periods (Twake(el)), which are characteristic of the control elements (22), the control system (30) applies a filling-pressure pulse to each element (22) coming into operation. After the filling of the control elements (22), the control system (30) determines changeover time values (t(sft)), which are formed as a function of the filling period (Twake(el)). The control system (30) applies pressure signals to the control elements (22) at times which are represented by the changeover time values (t(sft)) and are characteristic of each element (22). Following a synchronis starting time (tr), the control system (30) determines synchronism changeover time values, which are equal for all the control elements (22). Following the synchronism starting time (tr), the control system (30) furthermore applies pressure signals to the control elements (22) at times which are determined as a function of the synchronism changeover time values.</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>ENGINEERING ELEMENTS AND UNITS</subject><subject>GEARING</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</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>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1995</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFjjEKwkAQRdNYiHoG5wARRCNiqaJYq32YbEZYyGbCzsbC26iFla0X2Iu5hgh2VsN_8_n_d6PXQYsjg5ATKC6d5YLij6gDcxZLMVrE37kx-JvJNAPWjo2_Oq0afCb_VHXBMUgblqEQ5gxkwGhlubKsSCQgG0PIbzVDhRa_vWgBwyfw2uoL-kfTGkIKMlQ6_p3YjzonLIQG7e1Fw-3muN6NqOKUpEJFJbl0tV8k40kymy-n_x1vtLdggw</recordid><startdate>19950314</startdate><enddate>19950314</enddate><creator>DENNIS LEE JEFFRIES</creator><creator>DAVID EUGENE BRANDON</creator><creator>PETER LESLIE FALCK</creator><scope>EVB</scope></search><sort><creationdate>19950314</creationdate><title>Sistema de controle, de uma transmissão de câmbio automático de veículo, sistema baseado em microprocessador, e, processo para controlar a pressurização do elemento de controle</title><author>DENNIS LEE JEFFRIES ; DAVID EUGENE BRANDON ; PETER LESLIE FALCK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_BR9402457A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>por</language><creationdate>1995</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>ENGINEERING ELEMENTS AND UNITS</topic><topic>GEARING</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</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>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>DENNIS LEE JEFFRIES</creatorcontrib><creatorcontrib>DAVID EUGENE BRANDON</creatorcontrib><creatorcontrib>PETER LESLIE FALCK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>DENNIS LEE JEFFRIES</au><au>DAVID EUGENE BRANDON</au><au>PETER LESLIE FALCK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Sistema de controle, de uma transmissão de câmbio automático de veículo, sistema baseado em microprocessador, e, processo para controlar a pressurização do elemento de controle</title><date>1995-03-14</date><risdate>1995</risdate><abstract>A description is given of a control system (30) and a method for controlling the control elements (22) (clutches, brakes) of a vehicle power-shift transmission (20). The control system (30) contains a microprocessor which periodically executes an algorithm and which has a memory in which a sequential set of time reference values (TE(i)) and a sequential set of pressure guide values (PE(i)) are stored. During filling periods (Twake(el)), which are characteristic of the control elements (22), the control system (30) applies a filling-pressure pulse to each element (22) coming into operation. After the filling of the control elements (22), the control system (30) determines changeover time values (t(sft)), which are formed as a function of the filling period (Twake(el)). The control system (30) applies pressure signals to the control elements (22) at times which are represented by the changeover time values (t(sft)) and are characteristic of each element (22). Following a synchronis starting time (tr), the control system (30) determines synchronism changeover time values, which are equal for all the control elements (22). Following the synchronism starting time (tr), the control system (30) furthermore applies pressure signals to the control elements (22) at times which are determined as a function of the synchronism changeover time values.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS |
| title | Sistema de controle, de uma transmissão de câmbio automático de veículo, sistema baseado em microprocessador, e, processo para controlar a pressurização do elemento de controle |
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