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작성자 키트 작성일2017-09-05 15:10 조회1,129회 댓글0건

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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 BrushLess Direct Current moto controller also known as Electronic Speed Controller (ESC). This means in our case that the software is released under GPL, version 3 or later and the hardware is released underCreative Commons Attribution-Share Alike 3.0 License.



3660040649_i6h8WILy_180px-Strip-top.jpg
3660040649_dH9OWzNX_magnify-clip.png
Open-BLDC Strip V0.1
News

Sep 4th, 2012: New Open-BLDC hardawe the StripApr 18th, 2011: Released CLogic hardware files.Jan 7th, 2011: Projectmovie Open-BLDC interview released.Dec 27th-30th, 2010: We were at the 27C3.Nov 27th, 2010: Implemented active freewheeling.Nov 15th, 2010: Implemented regenerative braking.Sep 16th, 2010: Hardware based closed loop controlAug 05th, 2010: New Open-BLDC v0.3 hardwareJun 29th, 2010: Created GitHub Open-BLDC organization.Aug 09th, 2009: first v0.1 board fully assembledAug 08th, 2009: first v0.1 board is aliveAug 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 circuitMar 20th, 2009: Breadboard adaptersMar 15th, 2009 Selecting parts for Open-BLDC power stage prototypeFeb 26th, 2009 How to build arm gnu gcc toolchain for Mac OS XFeb 16th, 2009 Open-BLDC MKDec 12th, 2008 First circuit tests for Open-BLDC on GitHub

Current status

Still in planning and testing phase.

  • First tests with Mikrokopter BL-CTRLs done.
  • First approaches to circuits and board designs based on Atmega microcontrollers were done.
  • Version 0.3 of Open-BLDC is successfully and reliably controlling a brushless motor (associated blog post)
  • Clogic board that replaces the logic in Castle motor controllers is up and running
  • Betatesting of Strip low cost motor controller for small multicopters

For more information visit Twisted World of Esden blog.

Or join us on IRC #open-bldc on freenode

Some interesting links

Current featureset

  • Mounts on off the shelf Castle Creations power stages which allows:
    • From 2C up to 12C LiPo cell support
    • Up to 200A constant power output depending on the power stage used
    • Detachable/Interchangeable power-stage
  • Hardware support for Fieldvector control (software pending)
  • Hardware and software support for hardware based (comparator) BEMF control
  • Regenerative braking (battery push back active braking)
  • High speed (500kB/s) UART (TTL level Serial) based PC control and data aquisition interface

Planned features

  • Active freewheeling
  • Adjustable timings
  • 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!





http://open-bldc.org/wiki/Open-BLDC 

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