Advice for Quadruped (QSR-X1)

Quadruped Robots

Re: Advice for Quadruped (QSR-X1)

Postby Matt Denton » Thu Dec 22, 2016 11:24 am

Yeah very nice. I'm glad your still keeping this project going. I've said I'm done on hexapod robots... but you never know :)
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Re: Advice for Quadruped (QSR-X1)

Postby clh6685 » Fri Dec 30, 2016 12:15 pm

pem wrote:Very impressive work, congrats

thanks pem!

Matt Denton wrote:Yeah very nice. I'm glad your still keeping this project going. I've said I'm done on hexapod robots... but you never know :)

haha. Your hexapod reached very advance level since 8yrs back. Me now only close to what you have done, is a bit slow.


Latest update to share, on-board IMU pitch roll balancing feature testing.
IMU test
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Re: Advice for Quadruped (QSR-X1)

Postby Matt Denton » Wed Jan 04, 2017 10:45 am

Cool! Is the jiggle on the body noise form the IMU? Which IMU are you using. I would suggest something like the BNO055 from adafruit, the fusion engine is very good!
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Re: Advice for Quadruped (QSR-X1)

Postby clh6685 » Wed Jan 04, 2017 1:09 pm

Matt Denton wrote:Cool! Is the jiggle on the body noise form the IMU? Which IMU are you using. I would suggest something like the BNO055 from adafruit, the fusion engine is very good!


Yes, the noise is coming from IMU. I'm using ADXL335. Is analog output type instead of I2C. The reading is very unstable.
Without artificial signal conditioning is impossible to get a steady reading. But it is very very cheap compare to BNO055.
By the way, I just aware of this outstanding IMU, the feature is great.
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Re: Advice for Quadruped (QSR-X1)

Postby Matt Denton » Thu Jan 05, 2017 8:50 am

There is a cheaper device but it requires a more sophisticated programming solution on the micro side, but lots of examples:

http://www.ebay.co.uk/itm/MPU-6050-GY-521-3-Axis-Gyroscope-Accelerometer-Module-for-Raspberry-Arduino-/161867937083

http://playground.arduino.cc/Main/MPU-6050
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Re: Advice for Quadruped (QSR-X1)

Postby clh6685 » Thu Feb 16, 2017 12:56 pm

Matt Denton wrote:There is a cheaper device but it requires a more sophisticated programming solution on the micro side, but lots of examples:



thanks for the link.

Sneek peek of the second generation. upgraded femur servo to increase torque, simplified body structure, better component arrangement. 8-)

Image
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Re: Advice for Quadruped (QSR-X1)

Postby clh6685 » Fri Apr 07, 2017 1:52 pm

Finally! All up and testing. 8-)

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Re: Advice for Quadruped (QSR-X1)

Postby clh6685 » Sun Apr 16, 2017 11:58 pm

have some fun with wifi cam on board and steering around my friend apartment! :D

1st person view camera on board
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