CONTROLLING METHOD FOR ELECTRIC ROLLING STOCK
PURPOSE:To slowly reduce the actual regenerative torque by storing the speed of an electric rolling stock when reaching the prescribed field rate during the regeneratively braking, and subtracting the quantity proportional to the difference between the speed stored from the next moment and the actua...
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| creator | TACHIBANA MEGUMI |
| description | PURPOSE:To slowly reduce the actual regenerative torque by storing the speed of an electric rolling stock when reaching the prescribed field rate during the regeneratively braking, and subtracting the quantity proportional to the difference between the speed stored from the next moment and the actual speed by the regenerative brake torque command value. CONSTITUTION:A field rate detector 5 detects a speed range for switching from electric brake to pneumatic brake by the field rate, and applies an output signal to a memory 6 when reaching the prescribed field rate. Then, the memory 6 stores the speed V0 of an electric rolling stock at the output signal application time. Since the acutual speed is further decelerated, the difference between the stored speed V0 and the actual speed V is obtained by the first arithmetic unit 7 and multiplied by the gain. Further, the second arithmetic unit 8 subtracts the regeneratively brake torque command value 9 by the output of the first arithmetic unit 7, thereby slowly reducing the actual regenerative torque 10 by the quantity proportional to the speed decreasing rate. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_JPS59153404A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>JPS59153404A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_JPS59153404A3</originalsourceid><addsrcrecordid>eNrjZNB19vcLCfL38fH0c1fwdQ3x8HdRcPMPUnD1cXUOCfJ0VoDJBYf4O3vzMLCmJeYUp_JCaW4GRTfXEGcP3dSC_PjU4oLE5NS81JJ4r4BgU0tDU2MTAxNHY2LUAADU2iXj</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>CONTROLLING METHOD FOR ELECTRIC ROLLING STOCK</title><source>esp@cenet</source><creator>TACHIBANA MEGUMI</creator><creatorcontrib>TACHIBANA MEGUMI</creatorcontrib><description>PURPOSE:To slowly reduce the actual regenerative torque by storing the speed of an electric rolling stock when reaching the prescribed field rate during the regeneratively braking, and subtracting the quantity proportional to the difference between the speed stored from the next moment and the actual speed by the regenerative brake torque command value. CONSTITUTION:A field rate detector 5 detects a speed range for switching from electric brake to pneumatic brake by the field rate, and applies an output signal to a memory 6 when reaching the prescribed field rate. Then, the memory 6 stores the speed V0 of an electric rolling stock at the output signal application time. Since the acutual speed is further decelerated, the difference between the stored speed V0 and the actual speed V is obtained by the first arithmetic unit 7 and multiplied by the gain. Further, the second arithmetic unit 8 subtracts the regeneratively brake torque command value 9 by the output of the first arithmetic unit 7, thereby slowly reducing the actual regenerative torque 10 by the quantity proportional to the speed decreasing rate.</description><language>eng</language><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS ; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ; ELECTRICITY ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ; GENERATION ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES ; PERFORMING OPERATIONS ; TRANSPORTING ; VEHICLES IN GENERAL</subject><creationdate>1984</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=19840901&DB=EPODOC&CC=JP&NR=S59153404A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19840901&DB=EPODOC&CC=JP&NR=S59153404A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TACHIBANA MEGUMI</creatorcontrib><title>CONTROLLING METHOD FOR ELECTRIC ROLLING STOCK</title><description>PURPOSE:To slowly reduce the actual regenerative torque by storing the speed of an electric rolling stock when reaching the prescribed field rate during the regeneratively braking, and subtracting the quantity proportional to the difference between the speed stored from the next moment and the actual speed by the regenerative brake torque command value. CONSTITUTION:A field rate detector 5 detects a speed range for switching from electric brake to pneumatic brake by the field rate, and applies an output signal to a memory 6 when reaching the prescribed field rate. Then, the memory 6 stores the speed V0 of an electric rolling stock at the output signal application time. Since the acutual speed is further decelerated, the difference between the stored speed V0 and the actual speed V is obtained by the first arithmetic unit 7 and multiplied by the gain. Further, the second arithmetic unit 8 subtracts the regeneratively brake torque command value 9 by the output of the first arithmetic unit 7, thereby slowly reducing the actual regenerative torque 10 by the quantity proportional to the speed decreasing rate.</description><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</subject><subject>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES</subject><subject>ELECTRICITY</subject><subject>ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL</subject><subject>GENERATION</subject><subject>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</subject><subject>PERFORMING OPERATIONS</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1984</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNB19vcLCfL38fH0c1fwdQ3x8HdRcPMPUnD1cXUOCfJ0VoDJBYf4O3vzMLCmJeYUp_JCaW4GRTfXEGcP3dSC_PjU4oLE5NS81JJ4r4BgU0tDU2MTAxNHY2LUAADU2iXj</recordid><startdate>19840901</startdate><enddate>19840901</enddate><creator>TACHIBANA MEGUMI</creator><scope>EVB</scope></search><sort><creationdate>19840901</creationdate><title>CONTROLLING METHOD FOR ELECTRIC ROLLING STOCK</title><author>TACHIBANA MEGUMI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS59153404A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1984</creationdate><topic>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</topic><topic>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES</topic><topic>ELECTRICITY</topic><topic>ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL</topic><topic>GENERATION</topic><topic>MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES</topic><topic>PERFORMING OPERATIONS</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>TACHIBANA MEGUMI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TACHIBANA MEGUMI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CONTROLLING METHOD FOR ELECTRIC ROLLING STOCK</title><date>1984-09-01</date><risdate>1984</risdate><abstract>PURPOSE:To slowly reduce the actual regenerative torque by storing the speed of an electric rolling stock when reaching the prescribed field rate during the regeneratively braking, and subtracting the quantity proportional to the difference between the speed stored from the next moment and the actual speed by the regenerative brake torque command value. CONSTITUTION:A field rate detector 5 detects a speed range for switching from electric brake to pneumatic brake by the field rate, and applies an output signal to a memory 6 when reaching the prescribed field rate. Then, the memory 6 stores the speed V0 of an electric rolling stock at the output signal application time. Since the acutual speed is further decelerated, the difference between the stored speed V0 and the actual speed V is obtained by the first arithmetic unit 7 and multiplied by the gain. Further, the second arithmetic unit 8 subtracts the regeneratively brake torque command value 9 by the output of the first arithmetic unit 7, thereby slowly reducing the actual regenerative torque 10 by the quantity proportional to the speed decreasing rate.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL |
| title | CONTROLLING METHOD FOR ELECTRIC ROLLING STOCK |
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