Tyre and Vehicle Dynamics Part 14 ppt

[...]... qrƒvp‡†Ã‡urÉh…vh‡v‚Ã‚sÇurÃrvtr‰hyˆr†ÃvÃ‡urÃp‚€ƒyr‘ÃyhrÃ6y‚tÇurÃpˆ…‰r† ‡urƃrrqÃpuhtr†Ãh†Ãvqvph‡rq HPUPS8`8G@Ã9`I6HD8T $"$ 5 real part eigenvalues [1/s] weave wobble 0 weave -5 -10 imaginary part eigenvalues [rad/s] capsize 0 40 [km/h] Wà 120 160 60 wobble 40 weave 20 capsize 0 0 imaginary part eigenvalues [rad/s] 80 40 80 WÃ[km/h] 120 160 wobble 9 50 9 9 weave 9 0 -10 capsize -20 -10 real part eigenvalues [1/s] 0 5 Avtà & 7h†ryvrÃp‚svtˆ…h‡v‚Ã…vtvqÅvqr…Ðv‡uÃhv…Ãq…htÓr…‚Ãs‚…h…qÃhppryr…h‡v‚Á‚... €hvs…h€rà ƒyˆ†Ã …vqr…à p€Ã s‚…h…q† ‡ˆ…†Ã‚ˆ‡Ã‡‚Ƈ…‚ty’Ƈhivyv†rÇurÐrh‰rÀ‚qrÃC‚r‰r…Ãv‡Ãqr†‡hivyv†r†Ã‡ur  HPUPS8`8G@Ã9`I6HD8T weave real part eigenvalues [1/s] 5 8 0 5 0 -5 0 3 40 80 2 6 WÃ[km/h] 120 160 capsize 5 real part eigenvalues [1/s] 14 7 6 -10 0-6,8 -5 7 0 40 80 WÃ[km/h] 160 6 0 5 2 7 8 0 -5 4 0 40 5: σα,γ 2 /1.2 6: hà -0.1m, F ià +0.1m F 7: uà -0.1m, P uà -0.1m U Nms 8: xδ =10... †ˆƒƒ…r††r†Ã‡urЂiiyrÃv†‡hivyv‡’ HPUPS8`8G@Ã9`I6HD8T real part eigenvalues [1/s] 5 weave 4 6 7 9 5 0 0: base line 1: air drag =0 2: F x10 β 9 160 5 0: base line 1: air drag =0 2: p x10 β 3: σ s /10 8 s x10 )α 4: 8ÃÃà s /10 Μα σ s /10 5: 8ÃÃà s /10 Μα 6: 8ÃÃà s /10 Μγ Ãà 7: ,Z\s /10 8: ε /10 9: ε /10, ‡Ã /10 F 2 8 0 -5 3 6 -10 0 à 40 4 80 120 WÃ[km/h] capsize 5 real part eigenvalues [1/s] 160 3: σ s /10 8 s... q…htà †‚à ‡uh‡Ã †ƒrrqà v† baseline )D[ = 0 à 5 Aà D[ wobble real part eigenvalues [1/s] Aà D[ = -1500N = 1500N 0 -5 capsize weave -10 Avtà   0 80 40 9Ã[km/h] 120 160 @ssrp‡Ã‚sÇurÃhƒƒyvph‡v‚Ã‚sÃi…hxvtÃ)h‘ÃÃ)‘Ã1ÃÃhqÃq…v‰vtÃs‚…pr†Ã)h‘ÃÃ)‘Ã3à ‚Ã‡urƇhivyv‡’Ãqvht…h€Ãih†ryvrÃp‚svtˆ…h‡v‚ baseline + rider lean 5 real part eigenvalues [1/s] )D[ = 0 à wobble 0 lean mode -10 Avtà ... x1.2 4: σα,γ 1 /1.2 1 3 -10 120 wobble 5 5: σα,γ 2 /1.2 6: hà -0.1m, F ià +0.1m F 7: uà -0.1m, P uà -0.1m U Nms 8: xδ =10 rad 0: base line 1: 8)α1 x1.2 2: 8)α2 x1.2 3: 80α1 x1.2 4: σα,γ 1 /1.2 0 -10 real part eigenvalues [1/s] 7 8 0: base line 1: 8)α1 x1.2 2: 8)α2 x1.2 3: 80α1 x1.2 4: σα,γ 1 /1.2 80 WÃ[km/h] 6 120 160 5: σα,γ 2 /1.2 6: hà -0.1m, F ià +0.1m F 7: uà -0.1m, P uà -0.1m U Nms 8: xδ =10 rad... s /10 8 s x10 )α 4: 8ÃÃà s /10 Μα σ s /10 5: 8ÃÃà s /10 Μα 6: 8ÃÃà s /10 Μγ Ãà 7: ,Z\s /10 8: ε /10 9: ε /10, ‡Ã /10 F 1 1 0 6 9 5 -5 0,-1, 2,3,4,8 7 7 à -10 0 40 80 120 WÃ[km/h] wobble 5 real part eigenvalues [1/s] $"& 0: base line 1: air drag =0 2: p x10 β 7 4 8 0 6 5 2 9 -5 1 3 -10 0 40 0 80 WÃ[km/h] 120 3: σ s /10 8 s x10 )α 4: 8ÃÃà s /10 Μα σ s /10 5: 8ÃÃà s /10 Μα 6: 8ÃÃà s /10 Μγ... 100 δ δ t U 0 ϕ ϕ Y -100 0 40 20 9 [km/h] 60 80 100 à Avtà  !ÃÃC’ƒ‚‡ur‡vphyÅvqr…Ƈrr…Ç‚…„ˆrÃsrrqihpxƇhivyv†vtÃp‚‡…‚yÃthv†Ã‰r…†ˆ†Ã†ƒrrq rider controlled 5 =0 = -1500N Aà = 1500N D[ real part eigenvalues [1/s] Aà D[ Aà D[ lean mode 0 weave -5 capsize wobble -10 0 80 40 WÃ[km/h] 120 160 Avtà  "ÃUurƇhivyv‡’Ãqvht…h€Ãv‡uÃsrrqihpxƇrr…Ç‚…„ˆrÃp‚‡…‚yÂsÃAvt  !Ãhp‡v‰h‡rq nÃhqÇurȃƒr…Ç‚…†‚Ã…‚yyÃhtyrÃnÃn . h19" alt="" -20 -10 0 5 0 50 -10 imaginary part eigenvalues [rad/s] real part eigenvalues [1/s] wobble weave capsize 040 80 120 160 [km/h] imaginary part eigenvalues [rad/s] 60 40 20 0 wobble weave capsize 040 80 120. 8 oooo [kN] -60 -40 -20 0 20 40 60 80 [Nm] α γ = -10, 0, 10, 20, 30, 40 o front tyre = = 1732N = -1132N -3 -2 -1 0 1 2 3 4 -8 -4 0 4 8 oooo [kN] -60 -40 -20 0 20 40 60 80 [Nm] α rear tyre = = 2094N = -1368N γ = -10, 0, 10, 20,. 8 oooo [kN] -60 -40 -20 0 20 40 60 80 [Nm] α γ = -10, 0, 10, 20, 30, 40 o front tyre = = 1732N = 0 -3 -2 -1 0 1 2 3 4 -8 -4 0 4 8 oooo [kN] -60 -40 -20 0 20 40 60 80 [Nm] α γ = -10, 0, 10, 20, 30, 40 o rear tyre = = 2094N = 0 -3 -2 -1 0 1 2 3 4 -8