1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS R ISO 10521 2 2: KS R ISO 10521 2:2008(2013 ) 2008 9 12 http:/www.kats.go.krKS R ISO 10521 2:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2008 9 12 :2013 2 26 2013-0081 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS R ISO 10521 2:2008 (2013
2、) 2: Road vehicles Road load Part 2: Reproduction on chassis dynamometer 2006 1 ISO 10521 2, Road vehicles Road load Part 2: Reproduction on chassis dynamometer , . 1 . , . KS ISO 10521 1 . 3 KS R ISO 3833 3 500 kg . 2 . . ( ) . KS R ISO 3833, KS R ISO 10521 1, 1: 3 KS R ISO 3833 . 3.1 (total resist
3、ance) / KS R ISO 10521 2:2008 2 3.2 (running resistance) , 3.3 (road load) / 3.4 (reference speed) . 3.5 (target road load) 3.6 (chassis-dynamometer setting load) 3.7 (simulated road load) (least-square regression) A . 3.8 (speed range) ( ) 15 km/h 10 km/h 3.9 (chassis dynamometer of coefficient con
4、trol) 3.10 (chassis dynamometer of polygonal control) 4 . KS R ISO 10521 2:2008 3 a) : 0.5 km/h 1 % b) : 1 : 6 N 2 : 10 N 0.1 % 2 , 130 kW . c) : 50 ms 0.1 % d) : 3 N m 0.5 % e) : 1 K f) : 5 kPa 5 5.1 . a) b) c) 5.2 5.2.1 (roller) . , , . (power-absorption unit) . 5.2.2 , 293 K 303 K . 5.3 5.3.1 . 5
5、.3.2 . 5.4 5.4.1 KS R ISO 10521 2:2008 4 . , . . 50 % . 5.4.2 , . 25 mm 2 % . 5.4.3 , 6.1.1.1 6.2.1.1 . . 30 . . 6 6.1 KS R ISO 10521 1 5.3, 5.4 6. (coastdown method) . 6.1.1 6.1.1.1 Ad, Bd Cd . 2ddddVCVBAF += Fd: (N) V : (km/h) . a) : ,5.0tdAA = ,2.0tdBB = tdCC = : ,1.0tdAA = ,2.0tdBB = tdCC = At,
6、Bt, Ct . b) . KS R ISO 10521 2:2008 5 6.1.1.2 KS R ISO 10521 1 5.3.1.3.1 5.3.1.3.2 . 6.1.1.3 . 6.1.1.3 6.1.1.3.1 Vj At, Bt Ct . 2tttt jjjVCVBAF += Ftj: Vj (N) Vj: j (km/h) 6.1.1.3.2 Fsj j(%) . Vj Ftj A.1 . 100tts=jjjjFFF A.1.1 Fmj Fsj . , 2 . Vj 50 km/h j 3 % 20 km/h Vj 50 km/h j 5 % Vj 20 km/h j 10
7、 % , 6.1.1.4 . 6.1.1.4 , B.1 . 6.1.1.2 6.1.1.3 . 6.2 KS R ISO 10521 1 5.5 . 6.2.1 6.2.1.1 Ad, Bd Cd . KS R ISO 10521 2:2008 6 2ddddVCVBAF += Fd: (N) V : (km/h) . a) : rcCrbBraA = / ,/2.0 ,/5.0tdtdtd : rcCrbBraA = / ,/2.0 ,/1.0tdtdtd at, bt ct: r : A.2.1 jr (m) b) . 6.2.1.2 KS R ISO 10521 1 5.5.2 . .
8、 6.2.1.3 6.2.1.3.1 Vj at, bt ct . rVcVbaFjjj+=2tttt Ftj: Vj (N) Vj: j (km/h) r : A.2.1 jr (m) 6.2.1.3.2 Fsj j(%) . Vj Ftj A.2 . 100tts=jjjjFFF A.2.1 6.2.1.3.1 Cjm/r Fsj . 2 . KS R ISO 10521 2:2008 7 Vj 50 km/h j 3 % 20 km/h Vj 50 km/h j 5 % Vj 20 km/h j 10 % , 6.2.1.4 . 6.2.1.4 B.2 . 6.2.1.2 6.2.1.3
9、 . KS R ISO 10521 2:2008 8 A ( ) A.1 KS R ISO 10521 1 5.3 5.4 , Vj Fsj A.1.1 A.1.3 . A.1.1 . jjTVmmF+=2)(6.31rdm Fmj: Vj (N) md: (kg) : (kg); . 4 3 % , 2 1.5 % . Tj: Vj (s) A.1.2 Fmj (least-square regression) As, Bs Cs . 2dsssVCVBAF += A.1.3 As, Bs Cs Vj . 2ssss jjjVCVBAF += A.2 KS R ISO 10521 1 5.5
10、 , Vj(km/h) Fsj A.2.1 A.2.3 . A.2.1 Vj Vjm(km/h) Cjm(N m) . =kijijVkV1m1 rmrmrmKS R ISO 10521 2:2008 9 c1m1jkijijCCkC = Vji: i (km/h) k : Cji: i (N m) Cjc: , (drift) (N m) Cjc 5 % , |j| 0.005 m/s2 . jjjrmmC += )(rdc md rm : A.1 (kg) (kg) j: (m/s2) 21121116.31=kiikiikikijikiiijijtktkVtVtk ti: i (s) j
11、r : (m) NVrjj=26.31m N: ( )(s 1) A.2.2 Vjm Cjm as, bs cs . rfF=ssrVcVba+=2sssA.2.3 as, bs cs Vj . rfFj=ssjrVcVbajj+=2sssKS R ISO 10521 2:2008 10 B ( ) B.1 , . jjjFFF =d*djjjFFFtsd+= ( ) ( ) ( )2ttt2sss2ddd jjjjjjVCVBAVCVBAVCVBA += ()( ) ( )2stdstdstd jjVCCCVBBBAAA += std*dAAAA += std*dBBBB += std*dC
12、CCC += Fdj*: (N) Fj: Fsj Ftj (N) Fsj: Vj (N) Ftj: Vj (N) Ad*, Bd* Cd: B.2 , . rfFFjjj= /ed*drfrfFjjj+= /tsd( ) ( ) ( ) rVcVbarVcVbaVCVBAjjjjjj+= /2ttt2sss2ddd 2stdstdstd/)(/)(/)(jjVrccCVrbbBraaA += raaAA += /)(std*d rbbBB += /)(std*d rccCC += /)(std*d KS R ISO 10521 2:2008 11 Fdj*: (N) fej: Fsj Ftj
13、(N m) fsj: Vj (N m) ftj: Vj (N m) Ad*, Bd* Cd*: r : A.2.1 (m) jr KS R ISO 10521 2:2008 12 KS R ISO 10521 2:2008 , . 1 1992 ISO 10521 2006 , ISO 10521 1 ISO 10521 2 2006 . ISO 10521 1 ISO 10521 2 ISO/TC 22 , SC 5 “ ” , . ISO 10521 “ ” 1: 2: ISO 10521 2 : 2006, Road vehicles Road load Part 2 : Reprodu
14、ction on chassis dynamometer KS R ISO 10521 2( 2: ) . 2 a) “ ” , “ ” , . b) . c) ( ) . d) ISO . 2: 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS R ISO 10521 2:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Road vehiclesRoad load Part 2:Reproduction on chassis dynamometer ICS 43.020
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