Electric Drive Systems
Highly efficient electric drives are decisive for hybrid, fuel-cell or electric vehicles.
hofer powertrain offers universal solutions for the development and integration of electrical drive systems:
- Alternators
- Power electronics
- Software
The hofer powertrain range of services comprises:
- Concepts – from the simulation of electrical systems to the prototype
- Series development - design, simulation, testing and verification for series
- Process planning and verification of production start-up
For over 10 years now, the hofer team has been elaborating solutions for customers – and always set standards in the process.
Electrical Machine Design:
- Development of electromagnetic design according to specific customer requirement (synchronous, induction etc.)
- Mechanical design of electrical machine (side mounted, integrated design, axle drive etc.)
- Prototype manufacturing
- Set-up and test of electrical machines
- Thermal simulation and thermal design
- Advance development topics
- Integration of EM into the powertrain
- Support for power connection solution
- Support for serial development
Power Electronic Design:
- Prototype of power electronic
- Electronic simulations
- DC link capacitors design criteria
- Power losses calculation and simulation
- Tthermal model building and thermal simulation
- Power inverter topology comparison
- PWM control pattern development and comparison for different applications
- Support for serial development
- Support for sensorsrik ( current, position, temperature)
Electric Drives System Design:
- Design and simulation of different powertrain architectures for automotive applications
- Simulation of electric drive system (EM,ECU and SW)
- Definition of component specification ( SW, HW, Function)
- System simulation including energy storage and mechanical powertrain
- System test, calibration and set up
- Function and SW development (anti jerk, speed control, Sensorless control, limitations etc..)
- Development of electrical machine control algorithms
- Development of customer specific solutions
- Safety concept and diagnostic function design
- Support for serial development
