Networking automotive systems: Brake assist

Networking automotive systems: Brake assist
Networking automotive systems: Brake assist

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This experiment/set up contains dangerous goods.
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The FlexRay training system contains a brake assistant function. It combines the following:

  • a distance sensor control unit
  • a road condition sensor
  • an ABS/ESP control unit, and
  • an instrument cluster.

Two model cars simulate two vehicles tailgating. The FlexRay data bus transfers this state to the control unit for ABS/ESP, which then triggers the brakes to establish the safe distance again. The default value depends on the road condition (dry, wet, slick). The LIN data bus transmits the roadway's condition to the radar sensor control unit.
Activating the high-pressure switch valve and the pump displays the brake's function.
A high-speed CAN bus connection controls the corresponding indicator lamp in the instrument cluster.

The system can be expanded to an "active star" (773 959) with FlexRay components. The sensor control unit also has an available connection for a FlexRay/USB interface (773 960) to analyze the protocol on the computer.

The FlexRay lines can be completed with external resistors and are set for signal registration with an oscilloscope.

Components of equipment sets

1 773958 FlexRay Brake Assist LD
1 773960  4  FlexRay interface USB LD
1 773959  4  FlexRay Active Star LD
1 738103 Ignition switch LD

Measuring equipment
1 739006 ** CAN-Bus-Analyser DSO LD
1 524013  4  ** Sensor-CASSY 2 LD
1 5240033  4  * WiFi adapter for Sensor-CASSY LD
1 739589  4  ** Software: Vehicle diagnosis, German and English LD
The following position can be used as an alternative to both previous positions:
1 524013SKFZ  8  Sensor-CASSY 2 Starter, Automotive LD
1 73802  8  ** Automotive power supply 13.8 V/36 A LD
4 57728  8  Resistor 47 Ohm, STE 2/19 LD
2 57732  8  Resistor 100 Ohm, STE 2/19 LD
3 50059  4  Safety bridging plugs, black, set of 10 LD
1 500592  4  Safety bridging plugs with tap, black, set of 10 LD
1 7389821  4  Safety experiment cables, set of 51 LD
1 775066DE  4  LIT: A2.6.1.7 Brake assist LD
1 775066EN  4  * LIT: A2.6.1.7 Brake Assist System LD
1 7384911S  8  * Automotive fault simulator, start LD
1 500593  4  * Fault simulation plugs, black, set of 10 LD
1 72609  8  Panel frame T130, two-level LD

Supplementary equipment
1 73801  4  * Cable and plug box LD

Articles marked with ** are additionally required.

Articles marked with * are not essential, we do however recommend them to carry out the experiment.

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