Dinamica del veicolo - inglese

CFUdynamicsVehicle 2019-2020 12

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Full list of contents

• ILecture Kincmatic steerinp rolling flat for rigid in pure thin wheel on surface. Noreholonomic a constraints a trailer, two bicycle, wheeled wrth non-holonomio constraints: configuratron of mechanisms Numtrer of degrees of freedom drmension and space isostatic tricycle, four vehicle with mechanism and suspension system. wheeled steering geometry. Ackermann steering (BourletA geometry system), Ackermarm steering steering mechanism respecting Jeantaud Panhard steering systemse with with multrple two vehicles steering axles. of vehicles more than axles; Steering of Krnematlc steering lrailers. path. Two four trailer. trailer straisht on wheeled whceled
• Lecture Lonsitudinal dvnamics2 1 global (weight equilibrium, equilibrium). of a forces, wheel nro Dynamic vehicle in motion and aerodynamic equilibrium straight a,xle Roiling resistance coeffi cient. t.'"1 'drivel' Rèar wheel ; grip. available Ma,ximum maximum maximum due to speed, slope acceleration, of four with optimal traction wheel drive, balanc€. Case i''i i:fru"ti* powe.fo,t ='-':aveiling at constant speed, P,.1 maximum havelting rario for Speed reaching the speed. ',i{first JChoice of lowest ratio maximum sreed slooe). sear-f,ertnre [,onoitudinel dmemics3 2 in ratios gearbox. Different sriteria for of intermediate the choice speed a of efficienry, inertia. equivalent partia.l equivalent moment drive kain mass, Performarnce,;d applications. rr.:with power Global equilibrium equation, rWork in soent svncronizers.
• Lecture Gearbores4 with gcar of gearboxes ordinary description tratns. Basic elements and rings Syncronizer K, Volvo" Dual--rlutch Zeroshift transmission. Lancia transmission, Examples: without friction-gear Kinematic of planetary trains, static analysis and with of authomatic olanetaw Examnles searboxes sear trains.
• If,crture I)ifferentials5 differeuti#-spn-gearg"m Oifferentiais' and Aevet "differential. ice Locked on spinning rvheel One ritt uteel synTrlgg-fefficiency, static zmalysrs, cooto*uarcdon:6*'iiii"."lnlrr effect. locking and Toroue bias ;differentials. slip Limited axle. Saìisbury u t differentials. Vrscous Active dillèrentials. Fffin."l cenfal dift'erential' of drir" vehicles: case vehicles wheel drive for four gearboxes torque split Uneven vshicles' wlr eel drive for fuur gearboxes torque split of unsven statiJanalysis Xinematià and coupling. with viscous drive wheel Four Four)'l6GT Juke Nissan Audi S-Tronic, (Alfa 155 Examples Q4, pt"* joints: Myard's theorem. H"*"k"*t" veloci§*nstant"f joint. Trrpod loint Rzeppa Clemens.;oinl.. mornents. secondarY of lqlokinetiqtuti" g-oxptmg§,:vrth;"-gr*;';ifr;;dbÀ*à u"avsis joìnts velocity two constant wrth transmission homokmenc of a analvsrs Sta-hc r.*-L-iildic dnve Rofi vehi es. for wheel' clrssions. transm-*;.1",l. moflon. straight during balance brahng Optimal ìì"r-"', cEGlibriuir equati6-nstr'/, B.ralting, diagram. conditions' opiinal braking ìrloo. system: braking of Analysis a basie cient. coef'fi balance brake Optimal gravity of position of center optimal on Còmments braking during of a wheel Stabili§ anatysis I power evaluation Braking delay transfer load longitudinal on Comments, t of suspension mechanisms.

Suspension, tyres and vehicle behaviour

classificatl-on General MacPherson. Double of,er De Dicin' Five arms, echanismsm of susp€f,islon car Descnption paranetcrs. §incrnatic algorithm)' of three spheres (intersection mechanisms MacPherson Àrit u*tyro and wishbone Double of on anallsis. Velociq acceleration and point the rigid wheel to of a Contact suspenston. wishbone of a Double analysis Static suspension of (grormd) stittress a Equivatent a'suspenslon' codreiemt. of (groulnd).'dairtprng.' Equivalent absorbers. Shock with driréslErentar ax]s, of stiffhess md vertisal Roll stiflness axlest at the lsd'iransters #; t,r,'o.tr-rj*tif&ress'on lateral of "h6"it suspcmrons anti-squàtifr and Anti-dive, antr-lofa suspensions. on elastic car anall'srs Srarrc with for whesl nomenclah{e and Reftrence torque). with slip angle arrd with slip'angle; rolling,(p,..e rotling Kirrer"aii.s r,i-coefFruents. Stip -ffitnifraroi?ei]model. Brush ground forces. of tangential Resultant tratì, Pneumatic thrust-force and Camber Camber ground. force-Longitudinal forcelground Lateral ground tagentral I'orces of {rombined Effect ground forces of tangential force on vertical E{I-ects models. Semiemprrical models. '' iiofa car. Planar model (ktnematic) eqmtrons' congruenee Vehicle of gravi§u of centre Acoelsration -equatims. Equilibrium eo.rstiEtive (tyreì€qu6&ons; Ij t'centres.and,roll-a*s,Roll 5:,+.;t ffi,1,H,r,u*,,calcula$lrans[ers: load ì.areral ffixffL*,,,,**r*l7turc o'*"-1, behavlour ItwsY stal€ Stedry margln' rytrl cr^ric margln. "* -^i^, slahcardil point f:t""' n:Y-Tr,.";h6 laterul olaEffects cornelcre A.lv srate; f sqgglisryalg-aÉr".ìi, ", tcompltance JF{-f.A eoffÉnng. ofetda +-'"r;t.*;g irheandnning 4; dragram ffi*TH#'f##ffiH'ffii.,;I"Xffi,*, handrins on.sotut state diagròfir hmdling ttreusiÉg manoouvrel À-zlvcis of is Declfic ffioldft;4ffi-"1tut'ilffi srarnlt{'v:#"t-$" Fatun". un&r$esr moder: track il§rFtil of *reandy$s StabilirY ctld't1tl.-...-angle manoeuvre.

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