Hybrid & Electric Powertrains - Modelings, Simulations, Measurements & Analysis

MOT/GMPHS-E

Who should attend?

  • This course provides a deeper knowledge on modeling and simulation of hybrid vehicles and powertrain. Reinforce knowledge by experimenting measurements and analyses on a Toyota Prius.
Audience :
  • Engineers and technical staff wishing to increase their knowledge of electric hybrid automotive powertrains.

Level : Foundation

Course Content

  • Electric hybrid powertrains

      • Two categories of hybrid architectures: serial, parallel. Parallel architectures. Single shaft, reversible starter generator in the accessories drive, full hybrid. Dual shafts, hybrid wheels, power shunt, n mode power shunt. Consumption improvement functions.
      • Overview, technico-economic balance and conclusions.
      • Electric vehicles.
  • On-board energy storage systems

      • Electrochemical battery: operating principle, characteristics and performances of the different technologies (lead-acid, cadmium-nickel, hydrogen-nickel, lithium-ion, lithium-polymer).
      • Ultra capacitor: principles, performances.
  • Power electronics

      • Power components. Power electronics structures. Power characteristics, installation restrictions, thermal and vibratory aspects. Electromagnetic compatibility.
  • Electric motor

      • Electric motor different technologies: operating principles, characteristics, performances, evolution.
      • Installation restrictions: compactness, cooling.
  • System operation - Management principles

      • How to manage electric motors and converters? Which physical principles for which result?
      • Main functions, secondary functions.
  • Hybrid propellers & energy management

      • Energy flux and energy supervision. Meaning for serial, parallel and serial/parallel hybrids.
      • Objectives and restrictions: consumption, pollution, state of charge management, regenerative braking, stop/start functions, thermal engine boost, drive approval.
      • Techniques: empirical controls, application to a series vehicle, improvements offered to empirical controllers, optimum controllers.
      • Synthesis and controllers validation: use of system models, off-line optimization methods and adaptation and optimization online.
  • Thermal management

      • Thermal management of electrical main components.
  • Vehicle installation

      • Manufacturing process of a complete system: storage system and drive chain dimensioning.
      • Installation restrictions, passenger compartment cooling.
  • Identification of powertrain components

      • Directly on the vehicle mock-up. Description of the vehicle.
      • Thermal engine. Electromotors MG1 et MG2.
      • ECU. AC/DC and DC/DC converters.
      • Understanding of the vehicle architecture and drive train.
  • Operating modes demonstration

      • Stabilized drive. Electric drive. Soft acceleration.
      • Deceleration. Braking. Other functionalities: climatization, power assisted steering, … Other modes.
  • View of energy flows

      • Measuring the main electric characteristics in the main branches. View of energy flows. Simulation of various use situation.
  • Computerized simulation

      • Several operating points. Energy optimization.
      • Various management strategies and compared CO2 efficiency.
      • With AMESIM software and data input measured on the mock-up.
      • Various operating points. Energy optimization.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • understand the general situation of current hybridization, the different hybridization forms of road vehicles,
  • know the different types of batteries and electric motors adapted to hybrid vehicles,
  • know the issues of on-board hydrogen,
  • simulate a hybrid drive chain operation,
  • identify the main components of the drive chain,
  • describe how they work and to describe the operating modes of a hybrid vehicle.

Ways & Means

  • One of our best-sellers. Mainly interactive, supported by examples and real components, this training course covers all main technical fields of hybrid powertrains.
  • Orders of magnitude are clearly given.
  • Design of hybrid vehicle model and simulator on Matlab-Simulink.
  • This Matlab-Simulink simulator is operational and functional. It can be used as a basis for further studies that students can achieve in their professional job.
  • Measurements and analyses of a Toyota Prius 2. Participants can compare measurements on the model and numerical simulation.
  • Architecture study with active learning: participants simulate architectural choices’ impact on a AMESIM simulator.