Open-BLDC

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Open-BLDC Project Site
Open-BLDC stands for Open Source Brush Less DC Motor Controller.


The goal of the project is to create a completely open-source BLDC. This means in our case that the software is released under GPL, version 3 or later and the hardware is released under Creative Commons Attribution-Share Alike 3.0 License.

Current status

Still in planning and testing phase.

For more information visit Twisted World of Esden blog.

Some interesting links

Current featureset

  • From 2C upto 4C LiPo cell support
  • 30A constant power output
  • Detachable/Interchangeable power-stage
  • Support for Fieldvector control
  • Support for sampling based BEMF control
  • Sampling based BEMF closed loop control
  • High speed (500kB/s) UART (TTL level Serial) based PC control and data aquisition interface

Planned features

  • Active freewheeling
  • Adjustable timings
  • Active break with power push back to the batteries
  • Different interfaces:
    • PPM
    • I2C
    • CAN
    • Fieldvector control
  • Speed control
  • Torque control
  • Hall sensor based control

Acknowledgments

  • Markus Bechtold for reviewing the PCB designs and many useful tips!
  • Benjamin Glass for finding problems in the circuitry!
  • All the developers from the UAVP-NG project for good ideas and encouragement!
  • Richard Querin for the wonderful logo!
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