1131
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`VWGoA - Ex. 1008 - Part V
`Volkswagen Group of America, Inc., Petitioner
`Case No. IPR2015-00276
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`1132
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`“TRANSMISSION CONTROL
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`control;
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`.‘§hift’i charactefistics Beforc *(,- - -)
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`ByTanTimprbvefi%interface desigrr~to%;the
`Engine Torque Riedieczian Durihg
`jéiigiiiéjmafiégéfiiéiiiijSYSt¢i1i,it‘isTP(5S§ibk> if6«6Xt6fid:th§ éngifié Ifiitqlfil reduction f‘l‘1§,K1‘,3fi'Q,I,1‘,-‘:‘?Itf',iA,SL—
`nsceséary to use a:PWMts‘i_gna1
`rr,e1afed'fixed_va1u;sTTorja5busfinterface,.'I‘he gngine fQ{q116’
`xieduttion is; c6:1t1fb1Ied_;‘difeCt1y
`'the5’IT(lU;"I'hé ‘aiivaixtagerof’s11Ch‘:an.jnterface is1'a111'ncIe pen’+g
`iienticalibraticmio the TCU data Trxvgra wid_e rangeévfitfidut _J§:1:ai:gi:1g1‘he; ehginéjmafiagérfiént,
`data:TA».ffi:théi?iid aiitagé 1i)s;th¢ ” "
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`relductibn and the ptessurc. ‘control " Jithin the TC;U;‘;Ihe’improvcri:cntof this.'interfac;e§c;an:Tbe‘
`‘eggtendédhpiioj a :re'aT1~»totque[inte:faee, Vespecially whej1}usit1:g.Ta b§us.~jeommunicatio11jlihk,
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`pr]¢sSui:eC“ojntifOi c;;1nJtse:Jini1$r:;wed’inTa simi.1.aIr: wjay: asTth::TsTHiftf:,p%¢ir;r
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`Tc::i1trt>1.With angadaptive softwa:eas.trat¢gy. The requiisdinputsé for ‘the. ad.apfivejprc—:ssursr.»q<>n+
`Irbl are_cé11(;u1afed frd1nTavai1aBIc%signa1s i_I1._fhejtIafnsmissiOn cjontto1‘,.Thc main:r;e‘aso‘nAs for. the;
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`T'11.e*principIe_?Qf ’adapti&'e ptessureVcontroIj:is a comparison “of: a set V8l111'B'—fOI‘; the
`with: atiactual value; meaéuredbythavtransiirissic:ninputTsp¢ed course; At:ex7TspegificTdifference
`ofjthe at T altige f9‘tIh%e a¢tué1'va1i1e.’the
`Tewaluie. %¢or:ect:ec1 jby 4TaT cert in inerEiiien‘t in
`the »pQs1t1¥e or nTegat'we; di§rection.;'Th¢_‘oLr1g1nal daptatzionz timesand ihfillt
`.S11IT<rI?« Value 1'n¢I6-
`Ifient: ;wer:e_+fixedi;d11jrinTg: ‘ch: palibratitm phasej; For safety r,eas0I1s;,jt11e;ifQta1}devfatiOI1 of'the”
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`A1‘;;r::ssjureT va1ue—'friohi a Tgiv;en[va1ue;is1iiv‘_
`d;;‘d”e;p‘snding‘ on the paitfctgar applicationi; Usually
`th:e1g*<:t>Lm=-.ctiir5n ivalueis are stored i:ijth§$T:no:ivi:1atfleL.memory t.;oi havdthc c9;r:e::tTva1u@s‘avai14
`jab1e.af,teI power-911; of the electrgnic
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`safety functions )ex‘t'e”nd‘ ofver bieft“etf’ifiQnitoring of
`safety;and 1)iagnos:ic}Functions.
`A %thév;s¢1ecI<i:r%1évér‘ andT:E:mc:i¢:ns bqficexhifiéi
`by? thcvdriverzwith ;C&éfI£{SI20i1dii1g§ ttdrisr
`missionhatdwarej dcsign;t{1§ implementation (if a reverse gear irghihit, funcfiicn iS_p?oss1fb1e;Ti .6,»
`abov.eL?a{ c,er[tain”ve1_1i1c1e speed, -the position [Rig b1ocke d_ hydraulically by a sing1‘e.so1¢:noid ‘or
`by 21 {particular solencisid cofimbinatimigitiommarided by the e_lectr:o1:icTCU.’fun—ctién pre-'
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`33.16
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`coiirnon SYSTEMS
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`vents the_TdesTi:ructien~ef the tiansxnissionfin the ev?ent,of;anT 1;Lnintentiona1 shift to the rewerse
`‘gear, Downshifi prevention is partofttheisafety:fnnctii)i1,:esp’eciallyduring manual shifting by
`the driverT1.HerieT the SyI1ChIT‘011O_l1S ’sp”e;ed*of the‘: new g6a[':iSZCéiC1I1‘at6d andTe0inpTared vvjlthflie
`adniissablg
`engine SpeeC1.~171liT:h€—‘CaSe vot amlculatedisynchiononsspeed aboveinie
`;:Tc_naxin1u‘m' ienjgineaspee_d,_‘thet downshjffijis prohibited bylthe TCU;This***funefii)fl can be sup»
`A ported by an eoverfrnn; safeguard whicl/1 Ife1jeases,thei1iinp ihnjnfe mode in case iofeeXceedi11g‘the
`ad.inissable.riiaxiT1nnn:t—engine speed.
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`All of? those; i3un§;ti{3I1S} can be extended and have 'to1beT.;definei1 during the, development
`Stage bythe automobileitra1isimi;ssi.on‘ and BlefifronicTCUiIIlE11311fafi‘L11i“€IS-*Toiincrease avail.-
`a1bflity;dftheiAT systemgevenindth Ttheifeilure Of éertain lsigI1}':iIs,Tiftiisi possible ‘dtoiprnviide a sul3‘—‘
`stitute operation with better drivabiiity than in lZiT1€_5»1irnfihDlI1t%f'Ifl0,(i€i»,'Il1iS
`can be done by
`tsuhstitute functions; TlieTel’ect1‘onicyT_CU‘ falls back oTn;Tsubstifute véilnestor signals infthe ease
`[of a bre’akdownTLof.icertain int‘eIfé1'C€:$_.Tl1_efrei
`isgfor example, tl;’e«Tpossibility‘.to inn with a pro-
`graiinmabjet fixed thjrntftle value with;-af breakdown of theithrettle position sig1ia1.iTl:is.resu1ts
`iintaredudction. of theishift’ .clT1’atacte1fistiCs £0 Shift po‘iTn'tTs.T .S1”1iftir1giilnto ’nTlT1n gears Tispossible, how-
`'€¥E‘.T13}T.Vith reducedshiftaconifoift. A further method isto_.i.1’se se<:TeTndary.e¥signals in ease the o'rig~
`inzil signals break down. For example, the calculation’ 'of._Vehicljeé S1§€=e’d- can be:ftoII1 wheel ’
`~speedf‘during' breakidown of the; transmission output‘ speed signal. This Ateelinique [usually
`nejquireseaeonnejetion betweenABS and transniission control.—’I'he ‘thitd variant i’sltl1e _eancelg
`ing of¢eIIain:fiInc.fi0n_s:‘ifthe:nes:essar5*»iinputsignals.are missed- For example, in the case eta
`kickdowii switch failure, the kickdown function is —C'aLI1_C6l6d, 'IT’his resultsisineno‘ downshift after
`0Pe1‘3.fi0I1..0ffl16-kiCkd0WI1.» Dowiishifts are .nevert1ie1ess still I1ossi.blleeivii1 the full-thmttlei’
`opening point according to‘_the'fu11i-{load shift _cli'araCtefTiSti‘c;
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`e The availability: and driveiibility. of auTtmii_cj;b‘iIesT €qflfpped.- Withfe1ec‘tioi1§i[¢;’I’C2U in ¢aTTg¢ pf
`system faililrzes be;improy_ed Sigifificantlyewitli Ttheiimpiementiation of substifiite functioiis
`This resultsiiine —considerabfl_e;_increase:in' acceptance ‘bye the drivegs ‘of automobiles‘ with "elec- ‘
`itronic:t:ransmis‘sion,control,
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`i1;3I3.3T Adaptation to DriVer”s:BTehaviori a{ld:_Traffici’Siitiia‘tions
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`In Certain driving conditions; some disadxsaniiagesn of the conventionalATl can be ‘pre\Tzent_ed by
`?usiiigTTself’-learning sna<ti=;giiT:js‘.° This is‘ es_peciauygva1id‘iw'hen riI11]2I"4'3T‘T§‘/,lT‘TiTTlg’ the jcjoiripicmiise in the
`Teshiftmaracteristies r;egarding- gear se1e"ction’unde1* particular di:'isTri;i1g conditions and under
`:diHiculti'environmental?g:nnditions. The.:iniention-of‘ the seljfélearning f,I1nTction_s' is to provide
`the appropriate shiftecharacteristic suitable to the‘ driver under
`drifvingT.VconditSioTns.i Addi-
`tionally, the be1iavi'orofTTthe.icar under*sT‘p eeial condinoins scan be improxred by7‘suitan1e"func-
`--eons. Available iiipui signals T of the car, ‘provided {by the isiateedi elecjntioiiici
`from
`inte1'fa’ces_iand <;ornir1unicatioi_i._:links_; are ’13I0,C_1€fSS€d byf tlieiT€TU with specific algorithmsfilhei
`self-learning functions f<:anT The divided i Ii1'to%T2i longrespectivelyniediuillgietmeiE1ii%1pf&tion_for‘
`idrivefs style detection-and intoi a ‘short-itexin adaptation whichireacts to the present rdrivinigi.
`,situatijon,Tisuch asjhiils :01: c‘uivjes,i
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`The core of the‘—adapfiize.istrategies
`the drivefis istyle deteeiienffhe driveTri?s:isjtTyle can be
`detec_t‘Ted; by monitori_ng1_ofTithe accelerator pedal imovementsifflfe mpjuts are operation speed,
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`operation frequency,,a‘ d the rating.positio1niefztheTacceleratorepedal;These inputs a’re;pro-i
`cessed depending on Tpii
`‘itiejs‘with‘ fsTpecifal;a‘lgo£ithn_1'sT relafedito: the desired drivingliéhavion
`of the caiflhe calculaied drji.ver’_style iisireléned to certain shift 1naps.There§is £1 lafgeiehoiee of
`slhiftiinapst available, With the icurifently k'nov_(n applications; there are-mostly four different‘
`shift 'II1‘3pS,r1‘§“111’giI1g from 'f’Ll'e16C’0I'1QIni‘C to 'ex,tren1ely sporty‘ vehicleibehaivior. The calculated
`i(_1r'LVer’si st y1e;ean also depend on the acttial yehiele speed and the share nf eonstant dtilving
`conditions
`a certain,
`eycle. These ;seIjf¥lejarTningi lfunctions
`be calibrated by?‘
`the car?manufactnrer,rdepending onihisphilosophy etnd—target market, In this wagthe numbei:
`’ of shift maps anid‘thespe'ed of the adaptation have the main influ'BI1Ce;Af1l1‘tl1€rf;pOSSibi1i’Cyi0
`match the driver’s_;styTfleeis by [ratings the accelerator pedal operafionT.dm*ing vehiele start, for
`,ex2_in1ple, after tired iliiglitiesiop. Inthisi Way tl1e.»ope:ation’speet1 and f:equency.'of;T1tli3e: acCelera—
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`1133
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`1133
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`§‘R*A1~IS1vI1SSION CONTROL
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`, torpedalitbelow ta c—:e,rt’aii1,ve1fit:1e Spte.e<;l_ can be. interpreted and calculated as part’ of; the
`tdr‘iv__erT’s; style ’1‘*ating.tIr'1 the evenI1.0fikickd9wn,T_the shiftymaps cf thefirivefsv styleerating are
`S.1.I1it}~d‘owjn. by a. priQfitytTgdmmand.t’§fl‘:é dfiveti has the "1JT$ua1 behaviois oJiftT]T1‘;e*e_ar dtifi1=1g'kTi:¢k~
`QQWEL; gie,i1e1‘a11y*‘a dtOWnsfhift,T153r€1v;*idii;gT otthtetrbsafety fuliction is in i0I3£?fTcitii311’,
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`To ;5rjey‘enjt:shiifthunting,Tthewtse1f41eé:ningfun‘ctions are;ca1*ried'qutjoiver a,IQngTrespective1y
`[medium term adaptation
`the éidaptatien Vti.1'_H€,1’l1‘2l‘1"tgiIigV1:‘I'QI'1’l severaitesectonvdst up tq one
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`clat n:b&tY¢¢¢ ‘
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`inputt$igna1SeQfi‘thi:tta:nsmiSSi0t1I;:QIittoIVandthe
`’ gcbnditiezig
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`disetdiranbtages of _a conventional eelsctroniietransmi Tl
`eofitrol is the
`iitg,att¢dnsta
`vehicle sTp_ee'd by ‘crossing theiupshift charactefisticiwith :2; 1‘ed11_ctionvc§ff
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`the tlerator pedal 1a’ng1“ fI’,hTjisj; reTs_:u1tse in Van:_uniflt_$I1&¢é gear especiallywlxen corner-
`ing mi when a13p:<:iriic’* ‘fig :wa‘;crIi$sing or an: ob$tac1¢,11x 15I§f5?%£BI1‘ie£1i:c§$€i gear shifts
`is pfOSSib1é
`to ‘use sq-c»alIedt1T1T’pshif , pifevention;teCornefing can be detected by the ac_c_e_1eratie11 Bf? the-car
`. along: the driving direction 1-elatedetortliee‘ vehicle -speed. The yehielezspeed ifieicalcuiated‘ from *
`the trattshjissibn Qutput’ speed.tjhétacee1eratji;on jc;at1.be1_C1etef<T:tefi}b}tt an_2icé:’e]eration Sensor or
`by; the diffeierige b_e,tweenT_ the _i1Q11t:TTfive11‘Wheelfspéeds, In this my ittifs pdss‘ib1e~ totTp:eiyjcnt the
`V u'pshi£t;when.¢ornering,t‘»resu1ti11g{ij; eeqnsiderableiim.pfbv¢=ménf in
`1e%stabiIi‘T .’
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`‘ TheeT;C1etei;ti0n_ Ofja crossing %oCr.t obsta;:1e':apggroa¢h is Ipossiblet by the etecttiont Of“<3T31:aSf off
`condifi33n‘*of the ac(;_elerat'or pedal; AtFa:cefl¢a1‘n‘ gradient of. thébpedal ;p¢si1idn,ithet upsfiififiis
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`i.prev.enTted:_fI‘1fisrTi§.—T:1} considerable advantage :6S§§Ci31!Y"WHt311fQV§1‘fEfl(ii1g .IdwsSpeedtfiehiC1i-:3,
`th st Ttegy ‘the cprr,ecjte_—gea:;is‘*Tav;;11gb1T
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`.;Thi's‘—isIp”_0sisiibl“eA by addiligy-s;peCi‘a1~_fl1I1CfiOhS*fC1thfii ad_apfiyej geat7shift_f_cTo11tro1,T .
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`'niakes Sensetto suppbrtethe '€ngii16’bI*}1"ki1ig.6fféCt fdf abetterdece1-
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`atio11‘éanTbéa?ge1f;;1eg;:nj;rg j2Vinte1‘1 1’jf“‘gfaifi. The whee1‘s1§Tp.bf3t1ie
`. dfiven Wheels Is comxgaxged Iii tfei§ét3*v%iLue of a;é:ombinatio;n:ct giye11ewh@e1 tdrqtgl ' atidfvejhiizle
`speed. When tsgceedingttatset
`ofiwheel jslipg asgecialgshift ‘strategy =‘c_hosTe1i;; Far; e_xampjle,e
`’tI1e_vehiéIe starts Off’iJ1S'
`on’d*gTear_ .dr*a'niup_S'hjft.‘tak‘es'place.at§ 1dWe1'
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`area int‘/cdniroltdevelapmen Ihxs anbe sup er‘tTeTd‘bytaxitinereasingshaieofé1éi:trofic,u3f1i1;s:;in'd“
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`‘CONTROLESYSTEMS.
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`ca betWcen:fE:c.St:
`'ti:_e‘Jvehi¢Ié ;piowertraii1,;it; Knejcessary‘ IQ haye
`rriissiczn
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`Richard Vaieniine
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`114."1.2. Performance Expecfaficms
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