Overview
The FlexRay Brake-By-Wire reference design shows FlexRay capabilities such as high communication speed and channel fault detection.
- It uses the NXP® MC9S12XDP512 MCU for the pedal node and MC56F8346 DSC for the brake/wheel node; FlexRay connectivity of both nodes is based on the MFR4200 FlexRay communication controller
- The braking caliper is controlled by PMSM using Vector Control technique while the spinning wheel representing a real tire is powered by a BLDC motor
- The boards of the 2 engines are interconnected by a CAN bus
- Uses FlexRay baud rate of 10Mb/s per channel but both channels carry the same data, which enables demonstration of the FlexRay channel fault detection feature
Features
- PMSM using Vector Control technique
- FlexRay communication speed 10Mb/s per channel
- Dual channel connection
- Channel fault detection
- Re-connection feature
- FreeMASTER tool based control pages
