vi
CHAPTER 3 : METHODOLOGY
3.1 Introduction 28 3.2 Flowchart 28 - 29
3.2.1 Phase 1 30 3.2.1.1 Vehicle Level Target 31
3.2.1.2 System Architecture 31 3.2.1.3 Hard Point 32 - 34
3.2.1.4 Rate of Bushing 35 3.2.1.5 Design Suspension Geometry 35
3.2.1.6 Design Spring Rate 35 3.2.1.7 Design of Structure of Each Components 35
3.2.2 Phase 2 36 3.2.2.1 Static Ride Analysis 37 - 38
3.2.2.2 Static Roll Analysis 39 - 41 3.2.2.3 Single Wheel Analysis 42 - 43
3.2.2.4 Steering Analysis 44 – 45
vii
CHAPTER 4 : RESULT AND DISCUSSION
4.0 Introduction 46
4.1 Ride Test : Toe Full Model Baseline
47 4.1.1 Ride Test : Toe Full Model RevA
48 4.2
Ride Test : Caster Full Model Baseline 49 - 50
4.2.1 Ride Test : Caster Full Model RevA 51 - 52
4.3 Ride Test : Camber Full Model Baseline 53
4.3.1 Ride Test : Camber Full Model RevA 54
4.4 Ride Test : Longitudinal displacement of WC Full Model Baseline 55
4.4.1 Ride Test : Longitudinal displacement of WC Full Model RevA 56 4.5
Ride Test : Lateral displacement of WC Full Model Baseline 57 - 58
4.5.1 Ride Test: Lateral displacement of WC Full Model RevA 59 - 60 4.6
Ride Test : Vertical force vs. Wheel travel Full Model Baseline 61 - 62 4.6.1 Ride Test : Vertical force vs. Wheel travel Full Model RevA 63
4.7 Roll Test : Toe Full Model Baseline 64 - 65 4.7.1 Roll Test: Toe Full Model RevA
66 - 67 4.8
Roll Test: Caster Full Model Baseline 68 - 69
4.8.1 Roll Test : Caster Full Model RevA 70 - 71
viii 4.9
Roll Test : Camber Full Model Baseline 72 - 73
4.9.1 Roll Test : Camber Full Model RevA 74
4.10 Roll Test : Longitudinal Displacement Of WC Full Model Baseline 75 - 76 4.10.1 Roll Test : Longitudinal Displacement Of WC Full Model RevA 77
4.11 Roll Test : Lateral Displacement Of WC Full Model Baseline 78 - 79 4.11.1 Roll Test : Lateral Displacement Of WC Full Model RevA 80 - 81
4.12 Roll Test : Vertical Force Vs. Wheel Travel Full Model Baseline 82 4.12.1 Roll Test : Vertical Force Vs. Wheel Travel Full Model RevA 83
4.13 Roll Test : Toe vs. Roll angle Full Model Baseline 84
4.13.1 Roll Test : Toe vs. Roll angle Full Model RevA 85
4.14 Roll Test : Caster vs. Roll Angle Full Model Baseline 86 - 86
4.14.1 Roll Test : Caster Vs. Roll Angle Full Model RevA 88 - 89
4.15 Roll Test : Camber Vs. Roll Angle Full Model Baseline 90
4.15.1 Roll Test: Camber vs. Roll Angle Full Model RevA 91
4.16 Aligning Torque Test - Parallel : Toe Angle Full Model Baseline 92
4.16.1 Aligning Torque Test - Parallel : Toe Angle Full Model RevA 93 4.17 Aligning Torque Test - Parallel : Camber Full Model Baseline
94 4.17.1 Aligning Torque Test - Parallel : Camber Full Model RevA
95
ix 4.18 Aligning Torque Test - Parallel : Lateral Displacement Of WC Full Model
Baseline 96
4.18.1 Aligning Torque Test - Parallel : Lateral Displacement Of WC Full Model RevA
97
4.19 Aligning Torque Test - Opposing : Toe Angle Full Model Baseline 98
4.19.1 Aligning Torque Test - Opposing : Toe Angle Full Model RevA 99 4.20 Aligning Torque Test - Opposing : Camber Angle Fill Model Baseline 100
4.20.1 Aligning Torque Test - Opposing : Camber Angle Full Model RevA
101 - 102
4.21 Aligning Torque Test - Opposing: Lateral Displacement Of WC Full Model Baseline
103
4.21.1 Aligning Torque Test - Opposing: Lateral Displacement Of WC Full Model RevA
104
CHAPTER 5 : CONCLUSION FUTURE WORK