Dritev 2023

Produktbeschreibung

Content
Plenary speeches
Leading sustainable transportation: Bringing our vision to the road 1

BEV
Vehicle Motion Control by Advanced Wheel Torque Management 13

Smart eDrive – Autonomous cooling eDrive for small BEVs and P4 AWD 21

The Future of BEV: High Performance Without Compromising Driving Efficiency 37

Thermal management
ZF TherMaS: Holistic Thermal Management for BEV 45

E-Drives
Product-Production-CoDesign of Electric Traction Motors with Model-Based Systems Engineering 61

Virtual development – optimized E-Drive selection by system simulation 73

Systemized Modular Approach for Electric Drive Unit Family Development 89

SwedenNext generation Electric Drive Units with multi-level GaN inverter for highest HV EV performance and efficiency – Comparison of 2-level and 3-level inverter topologies 107

Disconnect Actuator System (DAS) for AWD EV’s Driveline – Increasing electric efficiency, Seamless shifting system 115

E-Machine
Manufacturing technologies for reduced AC copper losses in hairpin stators – Increasing the efficiency of electric traction machines 131

About the benefits of permanent rotor temperature measurement 143

Functional safety, cyber security, reliability
Multidimensional approach to Cyber Security in automotive product development 153

Demonstration of a Cloud-based Gearbox Digital Twin – Using telematics data for reliability predictions 165

Gearbox and DHT
Transmission – the most underestimated part of the electric drive – Next generation transmission 183

Magna’s Dedicated Hybrid Drive DHD Duo – a Platformbased two e-Machine System 197

Has the potential in terms of weight, installation space, and function already been exhausted for hybrid transmissions? 205

Powertrain architecture
Automated design of fuel cell drive systems 221

Electric Cross Differential, eXD 235

Development and Design of a Range Extended four-speed Two-Drive-Powertrain 253

Marelli’s eAxle family strategy – Agile answer to a moving EV market 281

Components
Innovative cold metal forming processes for a sustainable future – Moving forward with helical gear drive components in a resourceand energy-efficient way 295

Failure Characteristics of Wet-Clutches in Limited Slip Differentials 307

Novel Multi-Functional Clutch Technology for EV Drivetrain Disconnects – Next Generation Disconnect with One-Way-Clutch for Automatic, and Non-Blocked Shifting 325

Comparison of Efficiency of Tapered Roller Bearings and Deep Groove Ball Bearings in Electric Vehicle Intermediate Shaft Applications 339

Modeling and Testing
Optimizing sustainable high-performance e-drives 349

Transformation from conventional to electric powertrains Challenges in testing mechatronic shifting systems 359

Methods
Virtual Generation of Load Profiles and Spectra for Designing Electrified Vehicles – The influence of software and driving scenarios on powertrain design 377

Electric Mobility Design – From Powertrain Components to Vehicle Fleet Optimization 391

Ways to increase sustainability by expanding product development processes for vehicles using the example of a hybridized automated transmission 411

A sequential adaptive sampling strategy for surrogate model construction of transmission losses 425

NVH
Speed4E: Simulative and Experimental Results on the Vibration Behavior of a High-Speed Planetary Gearbox 441

Psychoacoustic optimization of the NVH behavior of an eDrive power train – Application of a Targeted Micro Geometry Scatter on Helical Gears to break-up the regularity of the transmission error excitation 459

Acoustic Optimization of Electric Powertrains from a Vehicle Level Perspective 471

Keywords: nachhaltiger Transport, Bewegungssteuerung, smarte Elektroantriebe, Hochgeschwindigkeits-Planentengetriebe, limitierte Schlupf Differenziale, hybridisierte automatisierte Übertragung, sustainable transportation, motion control, smart e-drive, vehicle fleet optimization, holistic thermal management, driving effiency, two drive powertrain, high speed planetarygear box, limited slip differentials, hybridized automated transmission