Automotive Drive TrainMOT/TRANSM-E

Who should attend?

  • This course provides a better understanding of drivetrains to deal with engine/vehicle adaptation topics, the restrictions found on both engine/drivetrain units and the topics on the powertrain development.
Audience :
  • Engineers and technical staff working in the field of IC engines and wishing to know the role of automotive transmissions and their impact on powertrain operation.

Level : Foundation

Course Content

  • Automotive transmissions types

      • Elements making up a power transmission chain: clutch, gearbox, longitudinal axle, powered axle, driveshaft.
      • Stepped gear or continuously variable transmissions, gearing with or without breaking torque, manual or electronically driven operation.
  • Axles & differentials

      • Differentials: description, operation principle, limits and technical solutions.
      • Axles: different types (conical, hypoidal, wheel and screw): respective advantages and drawbacks.
      • Lubrication: lubricants requirements depending on the types.
  • Mechanical gearboxes architectures

      • Mechanical gearbox, 2,3, or 4-shaft architectures, volume and powertrain assembly restrictions.
      • Automated, consumption-optimized, or sport mechanical gearboxes.
      • Dual clutch gearbox, architecture and operating.
  • Clutch & torque transmission

      • Conventional mechanical clutch, double mass flywheel, automatic clutches.
      • Operating and dimensioning: structuring parameters, impact on engine.
      • Failures, wearing parameters.
  • Automatic transmission architecture

      • Hydraulic automatic gearbox, architecture, volume and powertrain assembly restrictions, related controls.
      • Continuous variation transmission (CVT), architecture and operating. Non automotive applications, Infinitely variable transmission (IVT), hydrostatic transmission.
  • Electronic powertrain tuning

      • Automated mechanical transmission, dual clutch transmission, hydraulic automatic gearbox: control laws and tuning general rules.
      • Electronic architectures, ECU, logic controller, development parameters.
  • Matching & installation

      • Installation, volume and thermal restrictions. Impact on vehicles architectures.
      • Gearing command: manual, assisted, automated, mechanical, semi-mechanical or electronically controlled.
      • Vehicle adaptation principles, optimization criteria: performances, emissions, consumption, NVH (noise, vibrations and harshness).
      • Taking additional restrictions into account.
      • Exercises.
  • Industrial vehicles transmissions

      • Mechanical transmissions: main differences with passenger cars (relay boxes, vehicle retarders, …). Lubrication requirements. Manufacturers’ specificities.
      • Automated transmission: application specificities compared with passenger car.
      • Case of agricultural machines or works machines.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • know the main types of transmission,
  • understand powertrain matching,
  • describe and manage interactions between engine and transmission,
  • carry out an engine project with the perspective of developing a whole powertrain.

Ways & Means

  • Interactive talks by industry experts.
  • Acquired Knowledge game tests.
  • Gear ratio selecting exercises.
  • Automatic transmission laws selecting exercise.