ÿWPCI  .© /1Åh÷¢bB?5ì•0/"% X™®ë÷jªkÙµ‚a! w"•ÜŒ~¡kt‹Iô~bì;jHæ[ú“Y‰ÉmÍSS×jéÂsYÀ¢?< ,SïÍ.\<%^N±Íuÿ²¥2¾B&g΄èÿ5éÉ5“SxÆ13yª‰ßÌîT ÷>/k ¨(€U 5ûáê<è¨ï+M}XÚU™SVÒ2áèÃ#5Þ$s³éªm‘)ç%ì!Фem瞃ÌHS'y§¤c‹Äãi¬|E#Æç˜@{o{ÁZ½½Y—aQ%@µ«g(p‡³Žúvݱ·#eYqýÒ‰c/¹spVM˜Ôp¬>ïy•M­£?Ô¬B¼œà¦Ñ'À¯M/lx+<”ÜÙ^XFàÍYiÆÛç…×ê¢uUƒHºvR›Û ðåû¥žu9Ù²(Mp‹¢+£ÙˆŽ…ÑgQ }sEB± -m¶IÈ•b‘×Ó=åy†þh1¨IdPï)"×Aàm\;ØkÜ*ﺟA†üŒU/ö˜¸cšq°±ã©À¹pvÉ0ÕlCqocÎÚAØhlV¨äÇ$I>ÎÛ ÅŸÜœß¥Í£õ#!îUN %] 0(c^ ‹w@—4×ëú mü 1‡ 1uš 0 cUNr 1‡ÀNG˜Acrobat PDFWriter 3.00(    0(0(ÈhH  Z6Times New Roman RegularX($¡¡äd''á UDUE{D{,‹'ê:i¢Ø+003|xÿU‹ÿÀÀÀ(5hCEKQW]cioAutoList11.1.1.1.1.1.1.1.##37=CIQYag­­1.a.i.(1)(a)(i)1)a)(;3£$´´Ô2#ÔÚ  Ú0Ú  Ú.Ô3  Ôà0  à(ÖÃ9 Z ‹6Times New Roman Regular(š½CEKQW]cioAutoList2A.A.A.A.A.A.A.A.Ý ƒ!ÝÝ  ÝÔ_ÔÔ‡X†NXXXÔÑ8€†NXXdìdì8Ñà  àà ` àà ¸ àà  àà h àà À àà  àà p àà È àòòInformal€document€No.€€3óóññÐ ° Ðà  àà ` àà ¸ àà  àà h àà À àà  àññññññà p àññññññà p à(46th€Ô_ÔGRRFÔ_Ô,€13„15€September€1999ññññÌà  àà ` àà ¸ àà  àà h àà À àà  àà p àññññññà È àññññññññaññññññññAññññññññaññññññAññññgenda€item€1.4.)ññÌÌÌECONOMIC€COMMISSION€FOR€EUROPEÌINLAND€TRANSPORT€COMMITTEEÌÌòòWorking€Party€on€the€Construction€of€VehiclesóóÐ  ` ÐÌòòMeeting€of€Experts€on€Brakes€and€Running€GearóóÐ è 8  Ð(Forty„sixth€session,€13„15€September€1999,€agenda€item€1.4.)ÌÌÌÌÌÌÌÓ  Óò òPROPOSAL€FOR€DRAFT€AMENDMENTS€TO€REGULATION€No.€13„Hó óÐ H˜ Ð(Braking)ÌÓ÷ÓÌÌÌòòÓ  ÓTransmitted€by€the€Expert€from€the€United€StatesóóÐ ä4 ÐÓrÓÌÌÌÌÌòòNoteóó:€The€text€below€was€prepared€by€the€Expert€from€the€United€States€in€order€to€assist€theÐ l¼ ÐMeeting€of€Experts€in€the€consideration€of€amendments€to€this€RegulationÌÌÌÌÌÌÌÌÌNote:€€€This€document€is€distributed€to€the€Experts€on€Brakes€and€Running€Gear€only.Ô#†X†NXXX†N+#ÔòòÐ ¤(ô#' ÐóóÌÐ  |*Ì%) ÐÔ_ÔÓL€ š½(# LÓÝ ‚ 3£ ÝÝ  ÝÝ‚ 3£¨ÝÔ2š½ÔÚ  ÚAÚ  Ú.Ô3  Ôà0  àÝ  Ýò òPURPOSEó ó݃ 3£¨Ó݌а(#(# ÐŒÝ  ÝÌThe€purpose€of€this€informal€document€is€to€propose€amendments€to€Regulation€13„H€in€the€areaÏof€electric€vehicle€(EV)€requirements€so€as€to€enhance€and€harmonize€the€requirements€for€theÏstate€of€charge€of€the€propulsion€batteries€during€brake€testing.€€This€document€also€addresses€theÏtesting€of€electrically„actuated€brakes€when€there€is€a€failure€of€the€source€of€electric€power€toÏthose€brakes.€€These€proposed€amendments€will€bridge€the€major€differences€that€exist€in€theÏelectric€vehicle€requirements€between€FMVSS€No.€135€and€R13„H.ÌÌÝ ‚ 3£ ÝÝ  ÝÝ‚ 3£ ÝÔ2š½ÔÚ  ÚBÚ  Ú.Ô3  Ôà0  àÝ  Ýò òJUSTIFICATIONó ó݃ 3£ È ÝŒÐ P (#(# ÐŒÝ  ÝÌWith€the€exception€of€the€Heating€Procedure€(Annex€3,€1.5.1.6.),€ECE€R13„H€does€not€includeÏprocedures€for€testing€an€electric€vehicle€with€the€propulsion€battery€depleted€such€that€the€vehicleÏcannot€attain€the€required€test€speed.€€Paragraph€1.5.1.6.€allows€the€heating€procedure€to€beÏconducted€at€whatever€ð ðrespecting€speedðð€is€achieved€during€the€first€brake€application,€and€thenÏat€speeds€reached€at€the€end€of€each€45„second€cycle€duration.€€The€U.S.€believes€that€brakeÏtesting€should€be€conducted€at€or€close€to€the€specified€speed€for€that€particular€test€so€that€brakeÏperformance€could€be€properly€evaluated.€€The€proposed€amendments€include€specific€proceduresÏso€that€an€electric€vehicleððs€brake€performance€throughout€R13„H€could€be€properly€evaluatedÏeven€if€the€propulsion€battery€is€in€a€depleted€condition.ÌÌElectrically„actuated€service€brakes€represent€a€technology€for€light€vehicles€(electric€vehicles€andÏnon„electric€vehicles)€that€is€expected€to€be€made€available€to€consumers€in€greater€number€overÏthe€next€few€years.€€These€are€service€brakes€that€utilize€electrical€energy€to€actuate€theÏfoundation€brakes€without€the€use€of€hydraulics.€€FMVSS€No.€135€includes€procedures€for€testingÏelectrically„actuated€service€brakes€when€the€battery€that€provides€electrical€power€for€thoseÏbrakes€is€at€a€low€state€of€charge.€€The€U.S.€believes€that€similar€requirements€should€beÏconsidered€for€Regulation€13„H€and€proposes€such€language€accordingly.ÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÐ p+À&* ЇÌÝ ‚ 3£ ÝÝ  ÝÝ‚ 3£fÝÔ2š½ÔÚ  ÚCÚ  Ú.Ô3  Ôà0  àÝ  Ýò òPROPOSALó ó݃ 3£f‘݌Мì(#(# ÐŒÝ  ÝÌØØÓL€ 5h((LÓÝ ‚ 3£ ÝÝ  ÝÝ‚ 3£§ÝÔ25hÔÚ  Ú2Ú  Ú.Ô3  Ôà0  àÝ  Ýà0` (#(#àòòDEFINITIONSóó݃ 3£§ÒÝŒÐxÈ` (#` (# ÐŒÝ  ÝÌ2.16.1.à0 ` àà0¸ ` (#` (#àòòð ðElectrically„actuated€brakesððóó€means€brakes€that€utilize€electrical€energy€toÐ P   Ðactuate€the€service€brakes.Ð ¸ (#¸ (# ÐÌ5.2.18.à0 ` àà0¸ ` (#` (#àòòAdditional€requirements€for€electric€vehiclesóóÐ d¸ (#¸ (# ÐÌ5.2.18.6.à0 ` à€State€of€charge€of€batteries€for€EVsÐì < ` (#` (# ÐÌ5.2.18.6.1.€à0 ` àThe€state€of€charge€of€propulsion€batteries€is€determined€in€accordance€with€SAEÐ Ä  ÐRecommended€Practice€J227a,€Electric€Vehicle€Test€Procedure,€FEB€1976.€€TheÏapplicable€sections€of€J227a€are€3.2.1€through€3.2.4,€3.3.1€through€3.3.2.2,€3.4.1Ïand€3.4.2,€4.2.1,€5.2,€5.2.1€and€5.3.€€Ð ` (#` (# ÐÌ5.2.18.6.2.à0 ` àAt€the€beginning€of€each€performance€test€in€the€test€sequence,€unless€otherwiseÐ `° Ðspecified,€an€EVððs€propulsion€batteries€are€at€the€state€of€charge€recommended€byÏthe€manufacturer,€as€stated€in€the€vehicle€operatorððs€manual€or€on€a€label€that€isÏpermanently€attached€to€the€vehicle,€or€if€the€manufacturer€has€made€noÏrecommendation,€at€a€state€of€charge€of€not€less€than€95€percent€using€theÏprocedure€described€in€paragraph€5.2.18.6.1.€€No€further€charging€of€anyÏpropulsion€battery€occurs€during€any€of€the€performance€tests€in€the€test€sequenceÏof€this€regulation.€€If€the€propulsion€batteries€are€depleted€during€a€test€sequenceÏsuch€that€the€vehicle€reaches€automatic€shutdown,€will€not€accelerate,€or€the€lowÏstate€of€charge€brake€warning€lamp€is€illuminated,€the€vehicle€shall€be€acceleratedÏto€brake€test€speed€by€auxiliary€means.€€If€a€battery€is€replaced€rather€thanÏrecharged,€the€replacement€battery€shall€be€charged€and€measured€for€state€ofÏcharge€in€accordance€with€these€procedures.Ð ` (#` (# ÐÌ5.2.21.à0 ` àà0¸ ` (#` (#àòòBrake€failure€and€defect€warning€signals€(general€requirements)óó:ÐH!˜¸ (#¸ (# ÐÌ5.2.21.5.à0 ` àFor€a€vehicle€with€electrically„actuated€service€brakes,€a€red€warning€signal€shallÐ  #p! Ðindicate€failure€of€the€source€of€electric€power€to€those€brakes,€or€the€diminutionÏof€state€of€charge€of€the€batteries€to€less€than€a€level€specified€by€the€manufacturer,Ïfor€the€purpose€of€warning€a€driver€of€degraded€brake€performance.Ð ` (#` (# ÐÐ  Ð& "% ÐAnnex€3Ì1.2.à0  àà0` (#(#àòòFor€the€approval€of€any€vehicle,€the€braking€performance€shall€be€measuredÐ œì Ðduring€road€tests€conducted€in€the€following€conditions:óóЈØ` (#` (# ÐÌ1.2.11.à0 ` àà0¸ ` (#` (#àState€of€charge€of€batteries€for€electrically„actuated€service€brakes.€€ForÐ `° Ðvehicles€equipped€with€electrically„actuated€brakes,€each€battery€providingÏpower€to€the€electrically„actuated€service€brakes€shall€be€in€a€depleted€stateÏof€charge€for€conditions€1.2.11.1.€or€1.2.11.2.€of€this€paragraph€asÏappropriate€when€tested€to€paragraph€2.1.3.€of€this€annex.€€An€auxiliaryÏmeans€may€be€used€to€accelerate€an€electric€vehicle€to€test€speed.Ð ¸ (#¸ (# ÐÌ1.2.11.1.€à0 ` àFor€an€electric€vehicle,€the€propulsion€batteries€are€at€an€average€of€not€more€thanÐ Ô$  Ðfive€percent€above€the€electric€vehicle€automatic€shut„down€critical€value€or€aboveÏthe€actual€state€of€charge€at€which€the€brake€failure€warning€signal,€required€inÏ5.2.21.5.€is€illuminated.€€The€critical€value€is€determined€by€measuring€the€state€ofÏcharge€of€each€propulsion€battery€at€the€instant€that€automatic€shut„down€occurs.Ð ` (#` (# ÐÌ1.2.11.2.€à0 ` àFor€a€vehicle€which€has€one€or€more€auxiliary€batteries€that€provides€electricalÐ \¬ Ðenergy€to€operate€the€electrically€actuated€service€brakes,€each€auxiliary€battery€isÏat€not€more€than€five€percent€above€the€actual€state€of€charge€at€which€the€brakeÏfailure€warning€signal,€required€by€5.2.21.5.€of€this€regulation€is€illuminated.Ð ` (#` (# ÐÌ1.5.1.à0  àà0` (#(#àòòHeating€procedureóóÐøH` (#` (# ÐÌ1.5.1.6.à0 ` àFor€electric€vehicles€not€having€sufficient€autonomy€to€carry€out€the€cycles€ofÐ Ð  Ðheating,€the€tests€shall€be€carried€out€by€ò òaccelerating€the€vehicle€to€brake€testÐ ¼  Ðspeed€by€auxiliary€means.ó ó€€Ð¬ü` (#` (# ÐÌ1.5.2.5.à0 ` àò òDeleted.ó óЈØ` (#` (# ÐÌ2.1à0  àà0` (#(#àòòService€braking€systemóóÐd ´` (#` (# ÐÌ2.1.3.à0  àà0` (#(#àA€vehicle€equipped€with€electrically„actuated€service€brakes€also€performs€theÐ <"Œ  Ðfollowing€test€series,€with€the€batteries€in€a€depleted€condition€as€described€inÏparagraph€1.2.11.€of€this€annex.€€Conduct€10€stopping€tests€from€a€speed€of€100Ïkm/h€or€the€maximum€vehicle€speed,€whichever€is€less.€€At€least€two€of€the€tenÏstopping€distances€must€be€less€than€or€equal€to€70€meters.€€The€vehicle€is€at€itsÏladen€weight€and€the€transmission€is€in€the€neutral€position€when€the€service€brakeÏcontrol€is€actuated€and€throughout€the€remainder€of€the€test.€€Ð ` (#` (# ÐÌÌ