dct sw shanghai 20100608 armin gottschaller
Post on 23-Oct-2015
20 Views
Preview:
TRANSCRIPT
Transmission Control Software
Overview
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
1 / P TR RD SW / 2010-05-03 © Continental AG
Transmission Control SW: Overview
Double
Clutch
Transmission
Continuously
Variable
Transmission
Automatic
Transmission
Inclusive their clutches and torque converters
Four-Wheel-
Drive
Components
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
2 / P TR RD SW / 2010-05-03 © Continental AG
Software
Control by SW
Hardware
Commutation by HW
Expertise: Complex Drivers BLDC Motor Control (Example)
Controller position, speed,
current
BLDC
Motor mechanical
Load
Position
(e.g. ATIC 107
or RPS-Sensor)
Current
measure (e.g. ATIC 107)
Signal
Processing (e.g. speed calc)
Torque
Speed
Mechanics
Commutation
(e.g.ATIC107)
Infra-
structure
Infra-
structure
Infra-
structure
Electric Motor Drive
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
3 / P TR RD SW / 2010-05-03 © Continental AG
Physical Model of System in TCU
Expertise: DCT Shift - Clutch Control (wet and dry)
Gradient /
Slip
Control
Actuator
Static & Dynamic
Influences
Online Adaptions
Set point
calculation
Clutch ECU
-
+
Clutch
Actuator
System
Actuator Model
(Hydraulics / E-motor)
Mechanical Clutch Model
(Wet or Dry)
Benefits:
• Good control performance
• High portability of code
• Well-structured software
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
4 / P TR RD SW / 2010-05-03 © Continental AG
Physical Model of System in TCU
Expertise: DCT Shift - Gear Control
Position /
Gradient
Control
Actuator
Static & Dynamic
Influences
Online Adaptions
Set point
calculation
Gearbox ECU
-
+
Synchronisation
Unit
Actuator
System
Actuator Model
(Hydraulics / E-motor)
Mechanical Model
Benefits:
• Good control performance
• High portability of code
• Well-structured software
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
5 / P TR RD SW / 2010-05-03 © Continental AG
DCT Control Software
SW Architecture
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
6 / P TR RD SW / 2010-05-03 © Continental AG
Software architecture - Autosar
AUTOSAR
Interface
DIO
Driver
PORT
Driver
GPT
Driver
ICU
Driver
PWM
Driver
ADC
Driver
I/O Drivers Communication Drivers
CAN Driver LIN Driver Flexray Driver
Memory Drivers
Int FLASH
Driver
Int EEPROM
Driver
Ext EEPROM
Driver
Ext FLASH
Driver
Controllers Drivers
Watchdog
Driver SPI Driver
MCU Driver
SPI Handler Watchdog Interface
Onboard Device Abstract.
FLASH Interface EEPROM Interface
Memory HW Abstraction
CAN Interface Flexray Interface
Communication Hardware Abstraction
LIN Interface (incl LIN
TP)
I/O Hardware Abstraction
I/O HW Abstraction
Communication
Manager
Generic NM
CAN
NM
Flexray
NM
PDU Router
CAN TP Flexray TP
AUTOSAR
COM
Signal
based
GW
Diag COM
Manager
Communication Services
Flash EEPROM
Emulation
NVRAM
Manager
Memory Services
Diagnostic
Event Manager
Development
Error Tracer
System Services
Watchdog
Manager
ECU State
Manager
Function
Inhibition Mngr CRC
AU
TO
SA
R C
OM
Complex
Device
Drivers
CDD
AUTOSAR Run Time Environment (RTE)
Software
Component
Software
Component
Software
Component
AUTOSAR
Interface
AUTOSAR
Interface
Software
Component
AUTOSAR
Interface
Software
Component
AUTOSAR
Interface
AUTOSAR SW Components
AUTOSAR Basic Software
Continental
Application SW
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
7 / P TR RD SW / 2010-05-03 © Continental AG
DCT Control Software
Application SW Architecture
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
8 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
ADAPTION MANAGER
MAIN PRESSURE CONTROL
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
9 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER
MAIN PRESSURE CONTROL
ADAPTION MANAGER
GEAR POSITIONER CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
MAIN PRESSURE CONTROL
ADAPTION MANAGER
Static Gear Decision
Load Detection
Driver Detection
Fast Off Detection
Brake Assistance
Deceleration
Slip Detection
Manual Mode
Upshift Control Sequence Gear Preselection
DRIVING STRATEGY
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
10 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER
MAIN PRESSURE CONTROL
ADAPTION MANAGER
GEAR POSITIONER CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
MAIN PRESSURE CONTROL
ADAPTION MANAGER
Static Gear Decision
Load Detection
Driver Detection
Fast Off Detection
Brake Assistance
Deceleration
Slip Detection
Manual Mode
Upshift Control Sequence Gear Preselection
DRIVING STRATEGY
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
11 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER
MAIN PRESSURE CONTROL
ADAPTION MANAGER
GEAR POSITIONER CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
MAIN PRESSURE CONTROL
ADAPTION MANAGER
Static Gear Decision
Load Detection
Driver Detection
Fast Off Detection
Brake Assistance
Deceleration
Slip Detection
Manual Mode
Upshift Control Sequence Gear Preselection
DRIVING STRATEGY (SAT)
• Determines the gear on the non-active
shaft (i.e. clutch is open)
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
12 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
• Handles general states of transmission
(e.g. start-up, normal mode, shut-down,
fail safe, EOL-calibration)
• Handles general states of engine
(off, running, stalled)
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
13 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
Next Gear Determination Shaft Enable
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
14 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
Next Gear Determination Shaft Enable
• Determines intermediate and final target
gear
• Handles interruption of running shifts
(change-of-mind shifts, skip shifts)
• Checks conditions to perform power-off
downshift as AMT shift
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
15 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
Next Gear Determination Shaft Enable
• Handles the state of the transmission
(in-gear driving, shifting, limp home mode)
• Coordinates actions by gear actuators or
clutch on one shaft
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
16 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
• Handling one shaft
• Commands to individual gear actuators on
this shaft (Gear A, Gear B or Neutral)
• Returns state of shaft
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
17 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
• Control of one gear actuator
(Determination of setpoints)
• Handles engagement & disengagement
of gears
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
18 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER • Closed-loop controllers to reach a com-
manded target position, force or velocity
• Sends target current to gear actuator valves
GEAR POSITIONER CONTROL
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
19 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
• High level clutch control (torque based)
• Handles all clutch actions
(see details on following slides)
• Determines Engine Torque Intervention
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
20 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
CLUTCH STRATEGY CLUTCH PROTECTION
DOWNSHIFT
MICROSLIP CONTROL CREEP CONTROL
UPSHIFT
CLUTCH DIAGNOSIS LAUNCH
Engine Torque Intervention Clutch Adaption
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
21 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
CLUTCH STRATEGY CLUTCH PROTECTION
DOWNSHIFT
MICROSLIP CONTROL CREEP CONTROL
UPSHIFT
CLUTCH DIAGNOSIS LAUNCH
Engine Torque Intervention
• Main state machine of clutch
• Analysis of driving situation and derivation
of clutch target state
• Calculation of necessary values (e.g.
speed values)
Clutch Adaption
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
22 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
CLUTCH STRATEGY CLUTCH PROTECTION
DOWNSHIFT
MICROSLIP CONTROL CREEP CONTROL
UPSHIFT
CLUTCH DIAGNOSIS LAUNCH
Engine Torque Intervention
• Monitoring of clutch slip & temperature
• Takes measures to protect clutch (e.g.
reduce slip & torque)
Clutch Adaption
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
23 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
CLUTCH STRATEGY CLUTCH PROTECTION
DOWNSHIFT
MICROSLIP CONTROL CREEP CONTROL
UPSHIFT
CLUTCH DIAGNOSIS LAUNCH
Engine Torque Intervention
• Coordination of upshifts
• Analyses sub-type of upshift
• Handles all phases of shift
Clutch Adaption
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
24 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
CLUTCH STRATEGY CLUTCH PROTECTION
DOWNSHIFT
MICROSLIP CONTROL CREEP CONTROL
UPSHIFT
CLUTCH DIAGNOSIS LAUNCH
Engine Torque Intervention
• Coordination of downshifts
• Analyses sub-type of downshift
• Handles all phases of shift
Clutch Adaption
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
25 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
CLUTCH STRATEGY CLUTCH PROTECTION
DOWNSHIFT
MICROSLIP CONTROL CREEP CONTROL
UPSHIFT
CLUTCH DIAGNOSIS LAUNCH
Engine Torque Intervention Clutch Adaption
• Controls creep process
• Hillholder functionality
• Clutch protection
• Stall protection
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
26 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
CLUTCH STRATEGY CLUTCH PROTECTION
DOWNSHIFT
MICROSLIP CONTROL CREEP CONTROL
UPSHIFT
CLUTCH DIAGNOSIS LAUNCH
Engine Torque Intervention
• Adjusts microslip at clutches
Clutch Adaption
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
27 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
CLUTCH STRATEGY CLUTCH PROTECTION
DOWNSHIFT
MICROSLIP CONTROL CREEP CONTROL
UPSHIFT
CLUTCH DIAGNOSIS LAUNCH
Engine Torque Intervention
• Controls launch process
• Clutch protection at special situations
(heavy load, misuse)
• Stall protection
Clutch Adaption
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
28 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
CLUTCH STRATEGY CLUTCH PROTECTION
DOWNSHIFT
MICROSLIP CONTROL CREEP CONTROL
UPSHIFT
CLUTCH DIAGNOSIS LAUNCH
Engine Torque Intervention
• Compares measured and expected
clutch pressure
Clutch Adaption
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
29 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
CLUTCH STRATEGY CLUTCH PROTECTION
DOWNSHIFT
MICROSLIP CONTROL CREEP CONTROL
UPSHIFT
CLUTCH DIAGNOSIS LAUNCH
Engine Torque Intervention
• Sends engine torque request to engine
management system
Clutch Adaption
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
30 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
CLUTCH STRATEGY CLUTCH PROTECTION
DOWNSHIFT
MICROSLIP CONTROL CREEP CONTROL
UPSHIFT
CLUTCH DIAGNOSIS LAUNCH
Engine Torque Intervention
• Handles clutch adaptions for Kiss point
and clutch characteristics
Clutch Adaption
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
31 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
• Pressure target (wet clutch) or position
target (dry clutch) is derived from torque
request
• Clutch characteristics are basis
TORQUE CONTROL
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
32 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
• Dry clutch: Position controller of clutch
• Wet clutch: Target current for pressure
control valve
CLUTCH POSITION CONTROL
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
33 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
• Coordination of adaptions ("online" or
"EOL") which apply simultaneous actions
on clutch and gear side
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
34 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
• Adjustment of shaft supply pressure de-
pending on requests of gear and clutch
actuator
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
35 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
ADAPTION MANAGER
• Adjustment of line pressure depending
on requests coming from both shafts
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
36 / P TR RD SW / 2010-05-03 © Continental AG
Transmission Control Software
Application SW additional components for HEV
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
37 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software Special Functionality - Hybrid Electrical Vehicle (HEV)
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
HYBRID COORDINATOR
HYBRID RESTART
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
38 / P TR RD SW / 2010-05-03 © Continental AG
Software Architecture – DCT Application Software Special Functionality - Hybrid Electrical Vehicle (HEV)
DIA
GN
OS
TIC
S
INFRASTRUCTURE SOFTWARE
GEAR POSITIONER CONTROL CLUTCH POSITION CONTROL SHAFT PRESSURE CONTROL
GEAR POSITIONER
SHAFT CONTROL
TORQUE CONTROL
CLUTCH CONTROL
SHAFT ACCESS CONTROL
TRANSMISSION MANAGER DRIVING STRATEGY
MAIN PRESSURE CONTROL
• Control of additional "HEV clutch"
• Handling of Engine Restart
• Coordination of clutch & engine
HYBRID RESTART
• Coordination of HEV driving states:
Electric drive, Hybrid drive, Coasting,
Engine Restart, Engine Stop
HYBRID COORDINATOR
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
39 / P TR RD SW / 2010-05-03 © Continental AG
Conclusion: DCT systems
In production - Wet clutch / Hydraulic actuation
Volkswagen & Audi "6 Speed DSG"
Audi "S tronic" for "quattro" vehicles
AMG “Speedshift DCT”
BMW "M DCT“ (part of the application SW)
In production - Dry clutch / Hydraulic actuation
Volkswagen "7 Speed DSG"
Several projects under development
Division Powertrain Business Unit Transmission
CC
_S
W_S
hanghai_
20100508.p
pt
40 / P TR RD SW / 2010-05-03 © Continental AG
Thank you for your Attention Thank you for your Attention
top related