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VSM(Vehicle Stability Management) презентация
Содержание
- 1. VSM(Vehicle Stability Management)
- 3. 1. SCC Sensor and Control Module 2.
- 4. SCC (Smart Cruise Control) ▶ Disengaged
- 5. Constant Speed Set speed :
- 6. SCC Sensor Alignment ● Reason for
- 7. 1. Start rotation of rear wheel 2.
- 8. The mirror is perpendicular to the ground
- 9. ESC
- 10. ▶ ABS
- 11. ESC Specification
- 12. Sensor Cluster (Module) Pressure Sensor Wheel Speed
- 13. Sensor cluster ▶ Included Sensor: Yaw rate
- 14. Sensor cluster Failsafe
- 15. Pressure sensor ▶ W/O SCC: 1EA
- 16. Wheel speed sensor & HECM [WSS –
- 17. SAS (Steering Angle Sensor) ▶ Type
- 18. ▶ SAS Alignment ①
- 19. VSM Functions
- 20. 0,3g Pre-Brake Prefill Deceleration
- 21. VSM off Lamp (Switch on, Fail)
Слайд 2
SCC
(Driving Condition Monitoring)
ESC
(Braking Control)
PSB
(Haptic Warning/Full Retraction)
Cluster
(Warning Lamp/Buzzer)
Overview
▶ VSM utilizes ESC, suspension,
braking, and smart cruise control systems to control
the vehicle’s dynamics, including power distribution, braking, and acceleration.
the vehicle’s dynamics, including power distribution, braking, and acceleration.
EPB Control
ECS Control
Слайд 31. SCC Sensor and Control Module
2. ECM
3. ESC (Brake)
4. Wheel Speed
Sensor (4EA)
5. Yaw-rate Sensor
6. Steering Angle Sensor
7. Cluster
8. CAN Communication
5. Yaw-rate Sensor
6. Steering Angle Sensor
7. Cluster
8. CAN Communication
Overview – SCC (Smart Cruise Control)
▶ SCC Operation range : 10~180km/h(kph)
- 10 ~ 30kph (only for reducing speed), 30~180kph (actual control operation range)
Слайд 4SCC (Smart Cruise Control)
▶ Disengaged condition
- Vehicle Speed
: 10kph ↓ or 180kph ↑
- SCC system fail
(SCC sensor / ESC / ECM / Cluster)
- R - Position
- EPB activated
- Shift from D to 1st gear (sports mode)
- ABS / TCS / ESC activated
- ESC OFF switch on
- SCC system fail
(SCC sensor / ESC / ECM / Cluster)
- R - Position
- EPB activated
- Shift from D to 1st gear (sports mode)
- ABS / TCS / ESC activated
- ESC OFF switch on
Слайд 5Constant Speed
Set speed : 100km/h
Host vehicle speed :
100km/h
Reduce Speed
Set speed : 100km/h
Relevant object : 80km/h
Host vehicle speed :
→ reduce to 80km/h
Maintain distance
Set speed : 100km/h
Relevant object : 80km/h
Host vehicle speed : 80km/h
Acceleration
Set speed : 100km/h
Host vehicle speed :
→ increase to 100km/h
SCC Driving Mode
Слайд 6SCC Sensor Alignment
● Reason for alignment
- To get
the right position of the targets on the road.
● Normal Alignment
● Abnormal Alignment
※ The sensor detect a relevant target in other lane.
● The sensor must been adjusted.
● Normal Alignment
● Abnormal Alignment
※ The sensor detect a relevant target in other lane.
● The sensor must been adjusted.
Слайд 71. Start rotation of rear wheel
2. Fix dynamometer brake
▶ Start rotation
of rear wheel (approximately 3 revolutions)
▶ Rear axis is parallel to dynamometer axis
▶ Vehicle thrust vector is perpendicular to the mirror
▶ Rear axis is parallel to dynamometer axis
▶ Vehicle thrust vector is perpendicular to the mirror
SCC Sensor Alignment
Слайд 8The mirror is perpendicular to the ground
Reflector
SCC Sensor Alignment
▶ Once
the sensor alignment is performed by the GDS,
SCC module automatically executes the alignment
process by moving the location of the sensor
(automatic process).
SCC module automatically executes the alignment
process by moving the location of the sensor
(automatic process).
Слайд 10
▶ ABS (Anti-lock Braking System)
▶ EBD (Electronic Brake-force Distribution)
▶ CBC (Cornering
Brake Control)
▶ BAS (Brake Assist System)
▶ TCS (Traction Control System)
ESC Overview
Слайд 12Sensor Cluster (Module)
Pressure Sensor
Wheel Speed Sensor
Solenoid Valve
[CAN Communication]
◈ Input
-
SAS, Gear Position…
◈ Output
- Warning Lamp (ESC / VSM)
- Indicator (ESC)
◈ Output
- Warning Lamp (ESC / VSM)
- Indicator (ESC)
Motor Pump
Brake Switch
ESC OFF Switch
CAN
AVH / VSM Switch
Stop Lamp Relay
Wheel Speed Sensor Output
H
E
C
U
Inputs and Outputs
※ The signal of SAS is transmitted via power train high speed CAN.
Слайд 13Sensor cluster
▶ Included Sensor: Yaw rate / Lateral / Longitudinal G
sensor
※ It has a function of self-diagnosis and sends the output
signal to ESC via private CAN line.
※ It has a function of self-diagnosis and sends the output
signal to ESC via private CAN line.
Слайд 16Wheel speed sensor & HECM
[WSS – Front ; built in the
hub bearing]
▶ Type
- Front : Hall IC type
- Rear : Magnetic type
▶ Spec.: 7mA ~14mA
[HECM]
[WSS – Rear]
Слайд 17SAS (Steering Angle Sensor)
▶ Type
- Contact-less type
- Outputs via CAN interface
- Range: -780˚ ~ + 780˚
- ESC Module receives steering wheel angle
sensor signals from powertrain CAN.
- Range: -780˚ ~ + 780˚
- ESC Module receives steering wheel angle
sensor signals from powertrain CAN.
[SAS]
IGN
GND
SAS
ESC
CAN HI
CAN LOW
Powertrain CAN
Слайд 18▶ SAS Alignment
① Perform front wheels alignment and
align steering wheel to within ± 5˚
② Connect the scanner
③ Perform SAS calibration menu
④ After disconnect scanner and confirm
- Road Test : Turn left once and right once and warning light must not go off
② Connect the scanner
③ Perform SAS calibration menu
④ After disconnect scanner and confirm
- Road Test : Turn left once and right once and warning light must not go off
System Maintenance
Слайд 20
0,3g
Pre-Brake
Prefill
Deceleration rate variation
BAS
Primary Warning
(Cluster)
Time
With VSM
Without VSM
Foot movement
(Accel → Brake)
Threat recognition
Brake pedal
activation
Seatbelt
vibration
Retraction
Deceleration rate
Max.
Deceleration rate
Required
Deceleration rate
Secondary Warning
(Cluster + seatbelt vibration)
Braking Control
Слайд 21VSM off Lamp
(Switch on, Fail)
Blink (2Hz)+Buzzer(2Hz)
Blink (2Hz)+Buzzer(Continuously))
AVH
Stand by
AVH
Active
EPB
Warning
ESC
ESC
OFF
EPB
Clamp
TPMS
Warning
TPMS
Low Pressure
Warning
Warning Control
