四驅(qū)系統(tǒng)評(píng)價(jià)的車輛試驗(yàn)程序

Vehicletestprogrammefor： 四驅(qū)系統(tǒng)評(píng)價(jià)的車輛試驗(yàn)程序IIIevaluationof4WDdrivelinesystemIITRACTION :牽引力Accelerationonhomogeneousmid-,low-“)（high-,：均勻附著率

Accelerationonhomogeneousmid-,low-“)（high-,：均勻附著率

:率）面加速試驗(yàn)（高、中、低附著Procedure ；步驟I

IAcceleratefromstandstillwithWOT(Wide：全負(fù)荷或最佳駕駛狀態(tài)起步加速OpenThrottle)oras“Driver’sBest”;Requiredinstrumentation-Requiredinstrumentation-SideshafttorqiiesT-Longitudinalaccelerationa—Lateralaccelerationay-Steeringangle-Steeringtorqi^ilfavailable)-Awrate//-4wheelspeedywfr、vr、vrr-Vehiclespeed,vveh需使用儀器（獲得的數(shù)據(jù)）-側(cè)軸扭矩Ts-縱向加速度ax-橫向加速度ay-轉(zhuǎn)向角a-轉(zhuǎn)向扭矩Tst（如可行）-偏擺率//-四輪輪速vf、vfr、vr、vrr-車輛行駛速度vvehEvaluationEvaluationAccelerationtimes(0toxkm/h)-Averageacceleration-Responsetimes(ifapplicable)-Stability、(a、Tst、//=f(t))-Torquedistributionfront/rear=f(t))-Stabilityfeel(subjectiverating)；Controllability(subjectiverating)::評(píng)價(jià)-加速時(shí)間（0-xkm）h-平均加速度-響應(yīng)時(shí)間（如可用）-穩(wěn)定，性（ay、a、Tst、//=f（t）-前后扭矩分配二f（t）-穩(wěn)定性感受（主觀）-可操縱性（主觀）Accelerationonsp]dt-不同附著率Accelerationonsp]dt-不同附著率面加速試驗(yàn)Procedure ;步驟IIAcceleratefromstandstillwithWOT(Wide：全負(fù)荷或最佳駕駛狀態(tài)起步加速OpenThrottle)oras“Driver’sBest”：- — IIIRequiredinstrumentation ；需使用儀器(獲得的數(shù)據(jù))II-SideshafttorqiiesT ； -側(cè)軸扭矩Ts-LongitudinalaccelerationaLateralaccelerationay-Steeringangle-Steeringtorgiig(ifavailable)-Awrate//-4wheelspeedyvvfr、vr?vrr-Vehiclespeed,vvehEvaluationAccelerationtimes(0toxkm/h)-Averageacceleration-Responsetimes(ifapplicable)-Stability,(a、Tst、//=f(t))-Torquedistributionfront/rear=f(t)-Stabilityfeel(subjectiverating)-Controllability(subjectiverating)AccelerationonspJdtgradientProcedureAcceleratefromstandstillas“Driver’sBest”onvariousgradients,e.g.5%,10%,15%RequiredinstrumentationSideshafttorqusesT-LongitudinalaccelerationaLateralaccelerationay-Steeringangle-Steeringtorqiyt(ifavailable)-Awrate//-4wheelspeedyvvfr、vr、vrr-Vehiclespeed,vvehEvaluationAccelerationtimes(0toxkm/h)-Averageacceleration-Responsetimes(ifapplicable)-Stability、(a、Tst、//=f(t))Torquedistributionfront/rear=f(t)Stabilityfeel(subjectiverating)Controllability(subjectiverating): -縱向加速度ax: -橫向加速度ay: -轉(zhuǎn)向角a: -轉(zhuǎn)向扭矩Tst; -偏航率/: -四個(gè)車輪輪速vfl、vfr、vrl、vrr: -車輛行駛速度vvehII"平價(jià)II: -加速時(shí)間（0-xkm）h: -平均加速度: -響應(yīng)時(shí)間（如可用）: -穩(wěn)定，性（ay、a、Tst、//=f（t）: -前后扭矩分配二f（t）: -穩(wěn)定性感受（主觀）: -可操縱性（主觀）II:不同附著率坡道加速試驗(yàn)II:步驟II:以最佳駕駛狀態(tài)（“riversBest”）在不同斜度:的路面起步加速，如5%,10%,15%:需使用儀器（獲得的數(shù)據(jù)）II: -側(cè)軸扭矩Ts: -縱向加速度axx: -橫向加速度ay: -轉(zhuǎn)向角a: -轉(zhuǎn)向扭矩Tst（如可行）: -偏航率/: -四個(gè)車輪輪速vfl、vfr、vrl、vrr: -車輛行駛速度vvehI:評(píng)價(jià)-加速時(shí)間（0-xkm）h-平均加速度-響應(yīng)時(shí)間（如可用）（ifapplicable-穩(wěn)定性（ay、a、Tst、//=f（t）-前后扭矩分配二f（t）-穩(wěn)定性感受（主觀）-可操縱性（主觀）-Hillclimbingabilitypercentagefgradient -爬坡能力（車輛剛好能爬上的坡道百whichvehiclejustcanclimb)Accelerationom-transitionwhichvehiclejustcanclimb)Accelerationom-transitionProcedureAcceleratefromstandstillwithoneaxleonlow-mandtheotheraxleonhigh-mwithWOToras“Driver’sBest”(inawaythattheaxleonhigh-mhasmaximumdistancetotravelonthissurface).: 分比）II:變附著率路面加速試驗(yàn)II:步驟II:一根軸在低附著率路面、另一根軸在高附著率:路面上起步加速全負(fù)荷或最佳駕駛狀態(tài)（以高:附著率路面上的軸在這種表面行駛的最大距:離的方法）Requiredinstrumentation-Requiredinstrumentation-SideshafttorquesT-LongitudinalaccelerationaLateralaccelerationay-Steeringangle-SteeringtorqiigTfavailable)-Awrate//-4wheelspeedyvvfr、vr、vrr-Vehiclespeed,vvehEvaluationAccelerationtimes(0toxkm/h)-Averageacceleration-Responsetimes(ifapplicable)-Stability,(a、Tst、//=f(t))-Torquedistributionfront/rear=f(t))-Stabilityfeel(subjectiverating)；Controllability(subjectiverating):IIICIRCLETESTS ::需使用儀器（獲得的數(shù)據(jù)）II: -側(cè)軸扭矩Ts: -縱向加速度axx: -橫向加速度ay: -轉(zhuǎn)向角a: -轉(zhuǎn)向扭矩Tst（如可行）: -偏航率//； -四個(gè)車輪輪速vfl、vfr、vrl、vrr: -車輛行駛速度vvehI"平價(jià)I -加速時(shí)間（0-xkm）h-平均加速度-響應(yīng)時(shí)間（如可用）-穩(wěn)定，性（ay、a、Tst、//=f（t）-前后扭矩分配二f（t）-穩(wěn)定性感受（主觀）-可操縱性（主觀）環(huán)形試驗(yàn)Steadystatecornering :穩(wěn)態(tài)回轉(zhuǎn)I

I

IProcedure :步驟I

IDriveonconstantradiuswithaspeedrange在穩(wěn)定工〉兄下，從“剛開始轉(zhuǎn)動(dòng)”到最大可能from“ustrollingtothemaximumspeed：的速度范圍在恒定的半徑上行駛。逐漸增大速possibleunderstableconditionsIncreasethe；度（縱向加速度很?。?，根據(jù)車輛情況通過調(diào)speedgradually（longitudinalhceleratienery整方向盤角度保持車輛在恒定的半徑上（類似small）andkeepthehicleonaconstraidtius穩(wěn)態(tài)回轉(zhuǎn)）。

byadjustingthteeringwheelangleaccordingthevehicls’behavior(“uas”steadystatecornering). :RequiredinstrumentationRequiredinstrumentation-SideshafttorqiiesT-Longitudinalaccelerationa-Lateralaccelerationay-Steeringangle-Steeringtorqiyt(ifavailable)-Awrate//-4wheelspeedywfpvr、vrr-Vehiclespeed,vveh-throttlepositionsEvaluation-Self-steeringbehaviour:需使用儀器（獲得的數(shù)據(jù)）I_ —I: -側(cè)軸扭矩Ts: -縱向加速度ax: -橫向加速度ay: -轉(zhuǎn)向角a: -轉(zhuǎn)向扭矩Tst（如可行）: -偏航率/: -四個(gè)車輪輪速vfl、vfr、vrl、vrr: -車輛行駛速度vveh: -節(jié)氣門位置sThI:評(píng)價(jià)II: -自轉(zhuǎn)向行為L(zhǎng)fttartlAo?*l?ration%■“/丹—七LfttartlAo?*l?ration%■“/丹—七L "25,7m/SV(h=92,BWnE。-郭普島罵^L?t?r?lAood?rat^on%.“/R —■J■廠R■J氏g.依■*25,7rh/Sv（h-W,5km/nEG=般&島岑產(chǎn)-Characteristics

circleradius)pge#v(a*R)1/2-Characteristics

circleradius)pge#v(a*R)1/2(withR=-SelfsteeringgradientEG=(5H(1o)/10*i(withi=steeringratio) :s-Max.corneringspeedand/ormax.lateralacceleration :I-Swimangle。=f危) ：-Steeringtorqute=TfL? ;-特征速度vch=（q*R）1/2（其中R=回轉(zhuǎn)半徑）-坡道自動(dòng)轉(zhuǎn)向EG=5H（10）/10*i（其中4=轉(zhuǎn)向比）-最大回轉(zhuǎn)速度和/或最大橫向加速度-浮渡角度。二f隔）—轉(zhuǎn)向扭矩Tst=fLaaThrottle-offfromsteadystatecornering從穩(wěn)態(tài)回轉(zhuǎn)開始加速(節(jié)氣門關(guān)閉)Procedure ；步驟Driveonconstantradiuswithconstantspeed,在限定的轉(zhuǎn)向速度下，以恒定的速度、恒定的constantangleandconstantthrottlpositioiat；轉(zhuǎn)向角度、恒定的節(jié)氣門開度行駛。然后突然corneringspeedlimit.Thensuddenlyrelle釋放茄氣門，對(duì)車輛的反應(yīng)不做校正，即“開throttlanddonotcorrecfbrvehiclereaction環(huán)控制”i.e.“penLoopControlRequiredinstrumentation-SideshafttorquesTRequiredinstrumentation-SideshafttorquesT-Longitudinalaccelerationa-Lateralaccelerationay-Steeringangle-Awrate//-4wheelspeedywfpvr、vrr-Vehiclespeed,vveh-throttlepositions需使用儀器（獲得的數(shù)據(jù)）-側(cè)軸扭矩Ts-縱向加速度ax-橫向加速度ay-轉(zhuǎn)向角a-偏航率/-四個(gè)車輪輪速-車輛行駛速度%、v、v、vflfrrlrrvveh-節(jié)氣門位置sThEvaluation例如：例如：I-Vehicletrajectoi(curveofCoG(Centreof；Gravity)) ;Example: :

-車輛軌跡（重心曲線）-而rate//=f(t)-Relativeyawangle虬]=f(t)withthe!followingdeterminatio/rofMeasuredParameters:YawAngleSpeed/[°/s]YawAngleSpeedatInitiationoftheMa/oeuv；/?]VehicleSpeedv[m/s]veh

-偏航率//=f（t）-相關(guān)偏航角度虬廣f（如下結(jié)果測(cè)量參數(shù)：*偏航角速度/[°/s]*在操控開始時(shí)的偏航角速度/[°/s]*車速vveh[m/s]*在操控開始時(shí)的車速vveh.0[m/s]CalculatedParameters: 計(jì)算參數(shù)：IReferenceRadiusofthe門站仇也r%=veh0//o \ VehicleSpeedatInitiationoftheManoeufm/svlveh.0 參考回轉(zhuǎn)半徑10[m] 10=*eh0//o VehicleSpeedatInitiationoftheManoeufm/svlveh.0ReferenceawAngleSpeed/.ef[°/s]哈=yeh/0r ； * 參考偏航角速度虬f[°/s]虬f=*eh /0rReferenceawAngle/°。]虬.=J/-虬.)dt : * 參考偏航角度/^=J/-虬f)dtII/]=J/-vh*/o/vh0)dt:/rel=J/-vveh/0/vveh.0)dtIIIAcceleration(throttlen)fromsteadystat4從穩(wěn)態(tài)回轉(zhuǎn)開始加速(節(jié)氣門開啟)cornering :

Procedure；步驟IIIDriveonconstantradiuswithconstantspeed,在限定的轉(zhuǎn)向速度下，以恒定的速度、恒定的constantsteeringangleandconstantthrottle轉(zhuǎn)向角度、恒定的節(jié)氣門開度行駛。然后突然positionatcorneringspieeictThensuddenly完全踩下油門，對(duì)車輛的反應(yīng)不做校正，即"開pushthethrottldownfullyrnddonotcorrect環(huán)控制”forvehiclereactions“peneLoopControl:Requiredinstrumentation :需使用儀器（獲得的數(shù)據(jù)）111-SideshafttorquesT ；-Longitudinalaccelerationa ;-Lateralaccelerationa :y >-Steeringangle ；-Awrate// :1-4wheelspeedyvvfr、vr、vrr :-Vehiclespeed,v 1veh i-throttlepositions :1-側(cè)軸扭矩Ts-縱向加速度axx-橫向加速度ay-轉(zhuǎn)向角a-偏航率/-四個(gè)車輪輪速vfl、vfr、vrl、vrr-車輛行駛速度vveh-節(jié)氣門位置sTh1Evaluation :11評(píng)價(jià)1-VehicletrajectorycurveofCoG(Centreof: 1Gravity)) :-Awrate//=f(t) ；-Relativeyawangle/rel=f(t)(asexplainedbefore) :-車輛軌跡（重心曲線）-偏航率/=f（t）-相關(guān)偏航角度虬］=f（（同以前的例子）ABS-brakingfromsteadystatecornering；從穩(wěn)態(tài)回轉(zhuǎn)進(jìn)行ABS制動(dòng)IIIProcedure :步驟 I IIDriveonconstantradiuswithconstantspeed,在限定的轉(zhuǎn)向速度下，以恒定的速度、恒定的constantsteeringangleandconstantthrottle轉(zhuǎn)向角度、恒定的節(jié)氣門開度行駛。然后盡可positionatcorneringspEeiitThenbrakea$能用力并且盡可能快地剎車，對(duì)車輛的反應(yīng)不hardandfastaspossiblanddonotcorrectfor:做校正，即“開環(huán)控制”vehiclereactions,Op.eeLLoopControl:Requiredinstrumentation:需使用儀器（獲得的數(shù)據(jù)）-SideshafttorqiiesTLongitudinalacceleraxtionaLateralaccelerationay-Steeringangle-Awrate//-4wheelspeedyvvfr、vr、vrr-Vehiclespeed,vveh11-側(cè)軸扭矩Ts: -縱向加速度ax: -橫向加速度ay: -轉(zhuǎn)向角a: -偏航率//: -四個(gè)車輪輪速vfl、vfr、vrl、vrr: -車輛行駛速度vveh

-throttlepositions ；-節(jié)氣門位置sTh1Evaluation :1評(píng)價(jià)1-Vehicletrajector(curveofCoG(Centreof:-車輛軌跡（重心曲線）Gravity)) ；-Awrate//=f(t) ;-偏航率//=f(t)-Relativcyawangle/<el=f(t)(asexplained-相關(guān)偏航角度虬］=f（to同以前的例before) ；11子）1HANDLING :— 11操縱性111ISO-doublelanechange ；1ISO-雙車道變換11Procedure ；1步驟1Drivethroughadoublelanechangetrackbuilt以最大可能的速度在根據(jù)IS0標(biāo)）隹建造的雙upaccordingISO-standardwithmaximum;車道上交替行駛。possiblespeed. :111Requiredinstrumentation :1需使用儀器（獲得的數(shù)據(jù)）11-SideshafttorqiiesT ;-側(cè)軸扭矩Ts-Longitudinalaccelerationa :-縱向加速度ax-Lateralaccelerationa :y-橫向加速度ayy-Steeringangle ;-轉(zhuǎn)向角a-Awrate// :-偏航率/-4wheelspeedyvvfr、vr?vrr ；-四個(gè)、車輪輪速vfl、vfr、vr?vrr-Vehiclespeed,v :veh i-車輛行駛速度vveh-throttlepositions :-節(jié)氣門位置sTh1Evaluation :1評(píng)價(jià)1-Awrate//=f(t) :-偏航率//=f(t)-SteeringAnghe=f(t) :-轉(zhuǎn)向角a=f(t)-Delaybetween^and// ;-a和//的延遲-Subjectivestabilityrating :11-主觀穩(wěn)定性等級(jí)1VDA-doublelanechange(ELK-test) :1VDA-雙車道變換（ELK-測(cè)試）1Procedure ' 11步驟11Drivethroughadoublelanechangetrackbuilt以最大可能的速度在根據(jù)VDA標(biāo)）隹建造的雙upaccordingVDA-standardwithmaximum:1車道上交替行駛。possiblespeed. ；

Requiredinstrumentation:需使用儀器(獲得的數(shù)據(jù))1-SideshafttorquesT-Longitudinalaccelerationa-Lateralaccelerationay-Steeringangle-Awrate//-4wheelspeedyvvfr、vr?vrr-Vehiclespeed,vveh-throttlepositions1: -側(cè)軸扭矩Ts: -縱向加速度ax: -橫向加速度ay: -轉(zhuǎn)向角a: -偏航率/: -四個(gè)車輪輪速vfl、vfr、vrl、vrr: -車輛行駛速度vveh: -節(jié)氣門位置sThEvaluation:評(píng)價(jià)1-Awrate//=f(t)-SteeringAngloe=f(t)-Delaybetween^and/-Subjectivestabilityrating1: -偏航率/=f (t): -轉(zhuǎn)向角a=f (t): -a和/的延遲: -主觀穩(wěn)定，性等級(jí)11Step-steerinputmanoeuvre:階段轉(zhuǎn)向操作1Procedure步驟Drivevehiclewithconstantspeedof100km/h;車輛在筆直的路面上以100km/h的恒定速度onastraighline.Suddenlyturnthesteering行駛，突然轉(zhuǎn)動(dòng)方向盤到一個(gè)角度，該操作以wheeltoananglewhichwilhepresentlaateral后使車輛產(chǎn)生一個(gè)4m/s2的橫向加速度。在操vehicleaccelerationof4m/浮afterthis縱過程中保持節(jié)氣門開度不變。manoeuvre.Keepthrottle-positi(hroughoutIthismanoeuvre. 'Requiredinstrumentation:需使用儀器(獲得的數(shù)據(jù))1-SideshafttorquesT-LongitudinalaccelerationaLateralaccelerationaySteeringanagle-Awrate//-4wheelspeedyvvfr、vr?vrr-Vehiclespeed,vveh-throttlepositions: -側(cè)軸扭矩Ts: -縱向加速度ax: -橫向加速度avy: -轉(zhuǎn)向角a； -偏航率/: -四個(gè)車輪輪速vfl、vfr、vrl、vrr: -車輛行駛速度vveh: -節(jié)氣門位置sTh1Evaluation評(píng)價(jià)1-Awrate//=f(t)-Lateralacceleratei=nfa(t)-SteeringAngloe=f(t)1: -偏航率/=f(t): -橫向加速度ay=f(t): -轉(zhuǎn)向角a=f(t)

-Delaybetween^andW-Subjectivestabilityrating: -a和W/的延遲； -主觀穩(wěn)定性等級(jí)1AccelerationonaT-junction1:T型路口加速1Procedure1!步驟AcceleratefromstandstillithWOT(Wide:全負(fù)荷或最佳駕駛狀態(tài)起步加速然后立即向OpenThrottleOras“Driver石est”andturn；右或向左轉(zhuǎn)向(模擬從旁路進(jìn)入交通擁擠的主rightorleftimmediately(simulation^an:路的加速操縱)。Iaccelerati(manoeuvrefromasideroadintoa；crossingmainroadwithheavytraffic).;Requiredinstrumentation:需使用儀器（獲得的數(shù)據(jù)）1-SideshafttorqiiesT-Longitudinalaccelerationa-Lateralaccelerationay-Steeringangle-Awrate//-4wheelspeedyvvfr、vr、vrr-Vehiclespeed,vveh-throttlepositions1: -側(cè)軸扭矩Ts: -縱向加速度axx: -橫向加速度ay: -轉(zhuǎn)向角a； -偏航率W: -四個(gè)車輪輪速vfl、vfr、vrl、vrr: -車輛行駛速度vveh: -節(jié)氣門位置sTh1Evaluation"平價(jià)11-Accelerationtimes(0toxkm/h)-Averageacceleration-Responsetimes(ifapplicable)-Stability01,%W=f(t))-Steeringinflueng￡=f(t)a=f(t)1; -加速時(shí)間（0 -x km）h: -平均加速度: -響應(yīng)時(shí)間（如可用）: -穩(wěn)定性（ay、a、Tst、戶f（t）: -轉(zhuǎn)向影響Tst=f（t）a=f（t）-Torquedistributionfront/rear=f(t)) -前后扭矩分配二f(t)-Stabilityfeel(subjectiverating)： -穩(wěn)定，性感受(主觀)-Controllability(subjectiverating)； -可操縱性(主觀)Handling-track:軌道操縱1Procedure:步驟DriverthroughaHandling-Traclwithvarying在軌道操縱上以不同的駕駛風(fēng)格行駛，如“普driving^tylei.e.fformal”driver,portydriver通”模式、運(yùn)動(dòng)模式等。etc.. ■Requiredinstrumentation!需使用儀器（獲得的數(shù)據(jù)）1-SideshafttorqiiesT1: -側(cè)軸扭矩Ts

-Longitudinalaccelerationa :-縱向加速度ax-Lateralaccelerationay111-橫向加速度ay-Steeringangle11-轉(zhuǎn)向角a-Awrate//11-偏航率/-4wheelspeedyvvfr、vr、vrr111-四個(gè)車輪輪速vfl、Vfr、Li、vrr-Vehiclespeed,vveh11-車輛行駛速度vvp.-throttlepositions1111-節(jié)氣門位置sThEvaluation11111評(píng)價(jià)11-Subjectiveevaluationofoverallvehicle-在更加“實(shí)用的”狀況下對(duì)車輛狀）兄behavior(stabiljtyractiorNVHetc.)under；（穩(wěn)定，性、牽引力、NVH等）進(jìn)行全面的主more“practd”circumstances.11觀評(píng)價(jià)。BRAKING :制動(dòng) IIIABSstraightlinebrakingonhomogeneous；在同一附著率(高、中、低)筆直路面上ABS以(high-,mid-,low-〃) :制動(dòng)Procedure :步驟 I IIAcceleratethevehicletoaspeedof50jk將/車輛以50km/h,80km/h,100km/h,120km/h,100km/h,120km/h(ifapplicThe叫.km/h(如可行)加速。然后用力盡可能快地制brakeashardandfastaspossibl(ABSshould；動(dòng)(ABS在全部4個(gè)車輪上都起作用)。變速workonallfourwheels).Repeatthetestwith：箱在空檔位置重復(fù)試驗(yàn)。Igearboxengagedandinneutralgear.:IIRequiredinstrumentation :需使用儀器(獲得的數(shù)據(jù))I-LongitudinalaccelerationaLateralaccelerationa-LongitudinalaccelerationaLateralaccelerationay-Steeringangle-Steeringtorque(Ifavailable)-SideshafttorqueT-Awrate//-4wheelspeedyvvfr、vr、vrr-Vehiclespeed,vlvehMastercylinderbrakepressurepEvaluation