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MEMS gyros and IMU

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Anonymous
MEMS gyros and IMU 2016-03-17 08:52:58 Post No. 963186
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MEMS gyros and IMU Anonymous 2016-03-17 08:52:58 Post No. 963186 [Report]
Which is the best of the MEMS motion sensors? It's hard to find much info comparing various sensor performance. Invensense mpu-6050 seems to be the most popular 6 axis while fairchild seem to have the newest product.

Anyone know how invensense, ST, bosch and fairchild sensors compare in performance and software stacks?

Also I have seen some drones with multiple IMUs, is there a way to use multiple IMUs to somehow increase resolution and accuracy?
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Anonymous 2016-03-17 10:12:54 Post No.963198
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Anonymous 2016-03-17 10:12:54 Post No.963198 [Report]
Are you planning to roll your own sensor fusion? Noise is way more dependent on vibration in my experience
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Anonymous 2016-03-17 13:32:49 Post No.963261
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Anonymous 2016-03-17 13:32:49 Post No.963261 [Report]
>>963186
Invensense 9250 is considered the best. The 6050 is their previous generation, has similar specs, but lacks a magnetometer. You'll find either in high end drones.
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Anonymous 2016-03-17 13:39:33 Post No.963263
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Anonymous 2016-03-17 13:39:33 Post No.963263 [Report]
>>963198
Noise-sensitive applications sample the sensor data at 4kHz or 8kHz, and filter it. It's not a lot of data, an M3 or M4 micro-controller can easily handle the filtering.
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