Hello all,
Cargo pickup / drop off in auto mission documentation using NicaDrone's EPM V3 and Pixhawk running APM :D
The OpenGrab EPM v3 (from NicaDrone.com) is a small (less than 4cm x 4cm x 2cm) Electro Permanent Magnet gripper capable of 200N of force meaning it can hold about 15kg of cargo securely. The gripping and releasing of the cargo is accomplished by delivering a short pulse to an electromagnet which reverses it’s field. Objects that it grips onto should be metal or have the included attached to them.
The device accepts a standard PWM servo input or UAVCAN and uses a 5V power supply. Significant amounts of power are only required for about 1 second when it first grips or releases the cargo.
Comments
@Tom, is posting the entire article better?
@Hugues, very nice!!!
Nice. And here an actual 1 MILE auto delivery mission using the EPM gripper:
In case no one notices, clicking the image takes you to the ArduPilot wiki for this hardware which has details. Would be nice for the post to be less... empty.
Here's the link.
http://ardupilot.org/copter/docs/common-electro-permanent-magnet-V3...
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