http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/ Engadget Comments for InvenSense gloats about world's first 6-axis MEMS-based motion sensing solution http://www.engadget.com/media/feedlogo.gif http://www.engadget.com en-us Copyright 2012 Weblogs, Inc. The contents of this feed are available for non-commercial use only. Blogsmith http://www.blogsmith.com/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/
Rotation sensing will always work better if you get further between the separate sensors. A small package like this may be easy to sell, but it won't work all that well.]]>May 28th 2009 2:12PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 2:41PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/
They may say this has a gyro, but there's really only two kinds of gyros they could use.

1. Laser gyros. That's not what it has, trust me.
2. Inertial gyros. Which is what it does have. But the problem is the inertial mass will be so small that the sensing will suck. Exactly how still does a MEMS jigsaw piece a few microns across remain when you rotate the device around it? Answer: not very.

You'll get better rotation sensing from moving the sensors farther apart, even though the math gets harder.]]>May 28th 2009 2:50PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 3:18PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/
http://en.wikipedia.org/wiki/Vibrating_structure_gyroscope

http://en.wikipedia.org/wiki/Coriolis_force

Regardless, I fail to see how moving a gyroscope around provides better accuracy in this care. Would making the vibrating proof mass larger help? Possibly. Spreading them out? Not a chance. It only applies to angular accelerations which is a terrible method to use since you have to integrate your signal twice, causing your bias and noise drift compound.]]>May 28th 2009 3:19PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/
The reason to move sensors apart is to get more signal. If you are using XtYtZt sensors to measure rotation (as I assumed) this is critical, as you get correspondingly more signal the farther the sensors are from the center of rotation. But with this sensor I can see your point that moving them farther apart does not help and could easily hurt.

To answer my original question, they gloated about this 10 months ago on here.

http://www.engadget.com/2008/07/15/invensense-boasts-about-wii-motionplus-powering-idg-600-motion-s/]]>May 28th 2009 4:39PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 2:51PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 2:53PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 3:38PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 7:26PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 3:13PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 3:23PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 3:45PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 3:46PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 4:47PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 5:12PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 5:28PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 29th 2009 5:46AMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 29th 2009 10:15AMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/I just recently used MotionPlus, which this technology is being used in, and it works amazingly well. The slightest movement was picked up and represented on-screen. It's very impressive.]]>May 28th 2009 4:05PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 7:56PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/May 28th 2009 8:15PMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/
•ADIS16300 - 4DoF (Tri-Axis Accelerometer with Yaw Rate Gyroscope) in a 31x23mm² package
•ADIS16350, ADIS16354, ADIS16355, ADIS16360, ADIS16364, ADIS16365 - 6DoF (Tri-Axis Gyroscope, Accelerometer, Magnetometer) in a 23x23x23mm³ package
•ADIS16405 - 9DoF (Tri-Axis Gyroscope, Accelerometer, Magnetometer) in a 23x23x23mm³ package]]>May 29th 2009 8:31AMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/
"The ADIS16350/ADIS16355 iSensor™ is a complete triple axis gyroscope and triple axis accelerometer inertial sensing system. This sensor combines the Analog Devices, Inc., iMEMS® and mixed signal processing technology to produce a highly integrated solution that provides calibrated, digital inertial sensing. An SPI interface and simple output register structure allow for easy access to data and configuration controls."]]>May 29th 2009 3:14AMhttp://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://www.engadget.com/2009/05/28/invensense-gloats-about-worlds-first-6-axis-mems-based-motion-s/http://invensense.com/applications/gaming/wii-motionplus/wii-motion-plus.html
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