Stimulation With CANoe

What´s in It for Me?

> Controlled, reproducible stimulation of your System Under Test (SUT)

> Various test scenarios for your analyses

> Determine optimal control parameters

Compactly Explained for Users and Decision-Makers

Top 3 Applications

Graphic determine optimal control parameters: Step response of a stimulated system
Determine optimal control parameters: Step response of a stimulated system
  • Controlled, reproducible excitation of your System Under Test (SUT)
    The SUT is transferred to a desired target state. This is usually done under defined operating parameters. Starting with the switching on of the power supply, up to complex sequences for the transfer into a target state, many sequence variants are possible.
  • Various test scenarios for your analyses
    The SUT is confronted with disturbance variables in the idle state or during operation. These can be, for example, extreme values in signals, unexpected signal jumps or invalid signal ranges. Does your SUT still react according to the specification in these stress situations and prevent critical states?
  • Determine optimal control parameters
    When a stimulus is applied, the step response of the SUT is recorded. You use this step response to determine the controlled system in more detail. This means that a comparison with the theoretically determined control parameters is possible. The control parameters can now be optimized.

Stimulation Types

Stimulation can be done via:

  • the communication network by signals (1).
  • the I/Os of the SUT. These I/Os can be stimulated via real actuators/sensors or equivalent loads  (2).

Therefore, know-how about the type of stimulation and its definition is necessary. Generators and/or scripts can be used to generate the desired stimuli. Analysis is performed with the CANoe analysis functions.

If the SUT is already integrated in a real or simulated environment, stimulation can extend existing test and analysis measures.

Creating a Stimulation

With a communication description and a suitable network interface connection, the desired stimuli are applied to the SUT via the selected communication channel. Flexible adaptations to existing needs, such as the integration of additional tools, are made possible by CANoe's open and flexible interfaces. 

Typically, the stimulation sequence is controlled with the user interfaces or function blocks created in CANoe. At any time, data can be manually redefined as needed and integrated into CANoe stimulation.

Physical stimulation of an SUT input can be done in different ways. Here, CANoe's open and flexible interfaces also allow external actuators, equivalent loads or even a VT System to be integrated into the stimulation setup. This means that the desired stimuli and analyses can be performed in a safe laboratory environment.

The execution of a stimulation and its analysis is supported by the following methods:

  • Automation for command sequences (visual, Macro and .NET)
  • Signal generators to create signal sequences with manual or periodic execution
  • Signal replay for playing back a recorded signal course
  • Various panels for manual stimulation and influencing of signals. The panels can be extended by the user if necessary.
  • Programmable processes in CAPL, .NET or C in the evaluation


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