From Open-BLDC
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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News
- Aug 09th, 2009: first v0.1 board fully assembled
- Aug 08th, 2009: first v0.1 board is alive
- Aug 05th, 2009: v0.1 boards arrived!
- Jun 13th, 2009: Created a prototype using all SMD parts and phase current sensing.
- Mai 06th, 2009: Maiden run of commutation detection on the bread board prototype.
- Apr 27th, 2009: Maiden run of a motor using a bread board prototype.
- Mar 24th, 2009: IR2110 based power stage circuit
- Mar 20th, 2009: Breadboard adapters
- Mar 15th, 2009 Selecting parts for Open-BLDC power stage prototype
- Feb 26th, 2009 How to build arm gnu gcc toolchain for Mac OS X
- Feb 16th, 2009 Open-BLDC MK
- Dec 12th, 2008 First circuit tests for Open-BLDC on GitHub
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