CMEM Module V.2.0.0

The control module electric motor (CMEM) provides several controllers for the usage with an electric motor. The control output is a target torque signal sent to the test bench drive or DUT.

Figure 65. CMEM_A Module Overview
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The module is intended to be run in a maintest. The following modules are available CMEM_A, CMEM_B, CMEM_C, CMEM_D. This documentation describes the PTC2EM module as an example.

Features

The CMEM module includes the following features.

  • Speed controller:
    • Feed-forward-control input
    • Input for target speed and target speed offset
    • Optional inertia feed-forward-control
  • Torque controller:
    • Feed-forward-control input
    • Input for target torque and target torque offset
    • Optional speed limiting function
  • Speed controller 2:
    • Model based state feedback controller (SFC) for back-to-back setups (two-mass-spring-damper)
  • More features:
    • Angle controller
    • Standstill controller
    • Target torque output (no controller active)
    • Controller output limitation using upper/lower limits and field weakening effect