Comments on: LabVIEW powers MOT-V and Unicycle http://vishots.com/2007/11/24/labview-powers-mot-v-and-unicycle/ News, videos, reviews and commentary from my world of Virtual Instrumentation. Wed, 20 Aug 2008 11:48:41 +0000 http://wordpress.org/?v=2.3 By: Mike K http://vishots.com/2007/11/24/labview-powers-mot-v-and-unicycle/#comment-27 Mike K Fri, 07 Dec 2007 01:46:12 +0000 http://vishots.com/2007/11/24/labview-powers-mot-v-and-unicycle/#comment-27 Quite possible - in fact I've done it myself! To prevent such an unfortunate incident, it is possible to program the cRIO to sense when you're leaning too far and compensate by further increasing the motor speed. In other words, if you lean too far forward, the device will quickly accelerate to get beneath you and halt your forward acceleration. This is one of many safety features on the commercial Segway. Also, with a more powerful hub motor (and more powerful driver circuitry), your maximum angle, and thus your maximum forward velocity can be increased. Quite possible - in fact I’ve done it myself! To prevent such an unfortunate incident, it is possible to program the cRIO to sense when you’re leaning too far and compensate by further increasing the motor speed. In other words, if you lean too far forward, the device will quickly accelerate to get beneath you and halt your forward acceleration. This is one of many safety features on the commercial Segway. Also, with a more powerful hub motor (and more powerful driver circuitry), your maximum angle, and thus your maximum forward velocity can be increased.

]]> By: Michael Aivaliotis http://vishots.com/2007/11/24/labview-powers-mot-v-and-unicycle/#comment-24 Michael Aivaliotis Thu, 06 Dec 2007 21:21:41 +0000 http://vishots.com/2007/11/24/labview-powers-mot-v-and-unicycle/#comment-24 Thanks for the correction Mike. The statement about the bluetooth was removed. I assume then that if you lean forward too quickly it's possible to tip over? Thanks for the correction Mike. The statement about the bluetooth was removed. I assume then that if you lean forward too quickly it’s possible to tip over?

]]> By: Mike K http://vishots.com/2007/11/24/labview-powers-mot-v-and-unicycle/#comment-23 Mike K Thu, 06 Dec 2007 18:02:16 +0000 http://vishots.com/2007/11/24/labview-powers-mot-v-and-unicycle/#comment-23 Correction: Commands are NOT sent via a bluetooth cellphone. Balancing is accomplished by the accelerometer and rate gyro, thus the further you lean in one direction or another, the faster you move in that direction in order to maintain stability. I'm not sure where this information came from, except that Dave was using his cell phone while riding the unicycle. It's certainly possible to configure the system this way, but that's not how it operates here. Correction: Commands are NOT sent via a bluetooth cellphone.

Balancing is accomplished by the accelerometer and rate gyro, thus the further you lean in one direction or another, the faster you move in that direction in order to maintain stability. I’m not sure where this information came from, except that Dave was using his cell phone while riding the unicycle. It’s certainly possible to configure the system this way, but that’s not how it operates here.

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