Rolling wheels & locked-up wheels
Concept of ABS
ABS System Channels
ABS Configurations:
Integral ABS System
Non-Integral ABS System
Components of ABS:
Wheel speed sensors
• ABS Wheel Speed Sensor
ABS electronic control unit ECU
• ABS Electronic Control Unit
ABS Hydraulic control unit or modulator
• ABS Hydraulic Modulator Types & Components
ABS warning light
0:00 Introduction
0:32 Tire Tread
0:57 Tire Contact Patch on a road
1:11 Traction
2:03 Rolling tire (static friction)
2:09 Rolling wheels
2:18 A rotating tire has 0% slip
2:31 A locked-up wheel has 100% slip
2:39 Normal Braking
2:49 Locking wheels
2:59 Locked tire (kinetic friction)
3:22 The Consequences of Wheels Locking
3:33 Tire Slip
4:07 Wheel Slip vs. Vehicle Stability
5:55 ABS Unit Location
6:07 ABS System Channels
6:38 One-Channel ABS System
6:58 Three-Channel ABS System
7:13 Four-Channel ABS System
8:21 Non-Integral ABS System
8:53 ABS Components
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