Technische Gemeinschaft der Chinesisch-Deutschen Automobilindustrie
Hydrodynamic Synchromesh Automated Transmission (HSAT)Tinghui Hu
Braunschweig, 23.05.2010
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Outline
1. Brief Introduction of HMTI
2. Overview of Automatic Transmissions
3. HSAT
3.1 System Design
3.2 Powertrain System Matching
3.3 Rig Test & Functional Test
4. Integrated Powertrain Control
5. Conclusion
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Brief Introduction of HMTI
by HMTI
Continuous Variable Transmission ( CVT)
Automated Manual Transmission (AMT)
Dual Clutch Transmission (DCT/DSG)
Hydraulic Automatic transmission (AT) Automatic
Transmissions
吉林大学液力机械传动研究所Hydraulic Mechanical Transmission Institute
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Brief Introduction of HMTI
Famous Experts:
Prof. Luo Prof. Ge
Discipline Position: “211 Project”, “985 Project”
Team: 4 Professors, 20 Ph.D. students
Equipments :
Automotive Hydrodynamic Transmission Test Bench Transmission Electronic Control Test Bench
A set of software tools for powertrain design, performance prediction and electronic control system development, with which we can carry out automobile transmission design, the initial performance prediction, key components analysis, powertrain matching.
by HMTI
by HMTI
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Brief Introduction of HMTI
Research History & Topic
Phase IIPhase II
1991-2000
Key Technology
of AMT
Research on AT
Modern Design
Theory for AT
2
Phase IIIPhase III
2001-2009
Intelligent Shift Schedule
and Shift quality
improvement of AMT
AMT for Heavy Commercial
Vehicles
TC+AMT for off-road Vehicles
TCC Control for Efficiency
DCT Simulation, Design &
Control
3
Phase IVPhase IV
2010 →4
BEV: HEV: DCT:
System Design (Dry) &
System Evaluation (Wet /
Dry)
……
by HMTI
Phase IPhase I
Before1990s
Foundation of
HMTI
Theoretical
Research of
AMT
Research on
AT with FAW
1
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Brief Introduction of HMTI
Research Achievements (Traditional Vehicles)
AT Mass Production of Torque Converter (TC)
by HMTI
AMT
HSAT = TC + AMT
DCT
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Outline
1. Brief Introduction of HMTI
2. Overview of Automatic Transmissions
3. HSAT
3.1 System Design
3.2 Powertrain System Matching
3.3 Rig Test & Functional Test
4. Integrated Powertrain Control
5. Conclusion
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Overview of Automatic Transmissions
Automatic Transmissions
Continuous Variable Transmission ( CVT)
Stepped-speed Automatic
Transmission
Automated Manual Transmission (AMT)
Dual Clutch Transmission (DCT/DSG)
Hydraulic Automatic transmission (AT)
…AT
AMT MTActuator
Automatic Transmissions
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Overview of Automatic Transmissions
Hydraulic Automatic transmission (AT)
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Overview of Automatic Transmissions
• AT Production in China
Aisin, Japan
ZF, Germany
Allison, USA
Voith, Germany
Geely, China
Advance, China
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Overview of Automatic Transmissions
Aisin, Japan
ZF, Germany
Allison, USA
Voith, Germany
Geely, China
Advance, China
• AT Production in China
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Overview of Automatic Transmissions
• AMT
Clutch Actuator
Shift Actuator
ReleaseBearing
DiaphragmSpring
Synchronizer
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Overview of Automatic Transmissions
• AMT R&D Centers in China
863 Projects for AMT ( Heavy-duty Commercial Vehicles ) :
Fast ( Shaanxi ) :
Jilin University
Shanxi Datong Gear Group
Tsinghua University ; Beijing University of Technology
AMT Research Centers (Mainly):
1. Shanghai Ying Marsh Automotive Electronics Co., ltd
2. Nanjing AMTF
3. Beijing Gear Works
4. Jilin University
5. Beijing University of Technology
6. Chongqing University
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Outline
1. Brief Introduction of HMTI
2. Overview of Automatic Transmissions
3. HSAT
3.1 System Design
3.2 Powertrain System Matching
3.3 Rig Test & Functional Test
4. Integrated Powertrain Control
5. Conclusion
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HSAT
Why TC + AMT ?
Disadvantages
AMT
Efficiency
Cost
Manufacture
AT
Launch-up
Shift Quality
AMT
Advantages
Mobility
Shift QualityAT
Cost
Efficiency
Manufacture
TC + AMT = HSAT
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HSAT
Hydrodynamic Parts
Gearbox
Hydraulic Control system Electroni
c Control System
Main Clutch
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Outline
1. Brief Introduction of HMTI
2. Overview of Automatic Transmissions
3. HSAT
3.1 System Design
3.2 Powertrain System Matching
3.3 Rig Test & Functional Test
4. Integrated Powertrain Control
5. Conclusion
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HSAT
Match Objective:
Transmission
① Optimization between Requirement & Offer② Compromise between Oil Consumption &
Performance
Offer Requirements
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Outline
1. Brief Introduction of HMTI
2. Overview of Automatic Transmissions
3. HSAT
3.1 System Design
3.2 Powertrain System Matching
3.3 Rig Test & Functional Test
4. Integrated Powertrain Control
5. Conclusion
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HSAT
Experiment Design
by HMTI
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HSAT
Rig Test
Objective: System Debug & Modify
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HSAT
Road Test
Objective: System Calibration
TCU
Different Road Conditions Software
by HMTI
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Outline
1. Brief Introduction of HMTI
2. Overview of Automatic Transmissions
3. HSAT
3.1 System Design
3.2 Powertrain System Matching
3.3 Rig Test & Functional Test
4. Integrated Powertrain Control
5. Conclusion
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HSAT
Control System Diagram
Motor Clutch Gearbox TC
ECU
Fu
el Ig
nit
ion
Fu
el In
ject
ion
TCU
TC
Co
ntr
ol
Sel
ect
Co
ntr
ol
Sh
ift
Co
ntr
ol
TC
C C
on
tro
l
Clu
tch
Co
ntr
ol
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Motor Clutch Gearbox TC
TCU
TC
Co
ntr
ol
Sel
ect
Co
ntr
ol
Sh
ift
Co
ntr
ol
TC
C C
on
tro
l
Clu
tch
Co
ntr
ol
HSAT
Integrated Control System Diagram
CANECU
Fu
el Ig
nit
ion
Fu
el In
ject
ion
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CAN
Motor Clutch Gearbox TC
ECU
Fu
el Ig
nit
ion
Fu
el In
ject
ion
TCU
TC
Co
ntr
ol
Sel
ect
Co
ntr
ol
Sh
ift
Co
ntr
ol
TC
C C
on
tro
l
Clu
tch
Co
ntr
ol
PCU
HSAT
Integrated Control System in the Advanced Countries
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HSAT
Powertrain Control System in China
Motor Clutch Gearbox TC
TCU
TC
Co
ntr
ol
Sel
ect
Co
ntr
ol
Sh
ift
Co
ntr
ol
TC
C C
on
tro
l
Clu
tch
Co
ntr
ol
CANECU
Fu
el Ig
nit
ion
Fu
el In
ject
ion
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Outline
1. Brief Introduction of HMTI
2. Overview of Automatic Transmissions
3. HSAT
3.1 System Design
3.2 Powertrain System Matching
3.3 Rig Test & Functional Test
4. Integrated Powertrain Control
5. Conclusion
Erfolg durch Kommunikation
Technische Gemeinschaft der Chinesisch-Deutschen Automobilbranche
Thanks Very Much ! You are welcome for questions
M.Sc. Tinghui Hu