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Old 11-07-2003, 11:22 AM   #1
baantjer
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Default Riderless stabilization of HT

To what extend is the following patent application different from the existing riderless stabilization of the e-series?

United States Patent Application 20030205419 Riderless stabilization of a balancing transporter
Quote:
quote:A method for stabilizing a balancing transporter under riderless conditions. The balancing transporter is characterized by a center of mass, and has two laterally disposed wheels and a region of contact with an underlying surface. In accordance with the method, the absence of a user aboard the transporter is first detected. Then a desired transporter pitch is determined such as to establish a condition of stasis wherein the center of mass is disposed directly above the region of contact between the balancing transporter and the underlying surface. Finally, a torque is applied to the laterally disposed wheels so as to maintain the transporter at the desired transporter pitch. The torque may include coadded terms where the terms are, respectively, proportional to a pitch error, a pitch rate, a wheel rate, and an integral representing the wheel rotation that was required to bring the transporter to the condition of stasis.
So, it detects the rider is missing and then tries to stabilize the HT by turning the wheels. How much torque is applied depends on the angle of leaning and how fast this angle is changing and how fast the HT is going.

Sounds all very much like the e-series.
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Old 11-07-2003, 12:34 PM   #2
IndyFIRSTengineer
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I would say it is not different at all, just a continuation of Dean's prior patents for the HT, as stated in the "description" section of the application:
Quote:
quote:The present application is a continuation-in-part of copending U.S. application Ser. No. 09/325,976, filed Jun. 4, 1999, which is a continuation in part of U.S. application Ser. No. 08/479,901, filed Jun. 7, 1995, now issued as U.S. Pat. No. 5,975,225, which is a continuation in part...
Stuart Bloom - Rolls-Royce Corporation
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“Who goes out and says, ‘You have a better probability of winning the state lottery than making a nickel in professional sports. And by the way, last year two million exciting technical jobs went unfilled in this country because you weren't there to take that job. And it pays you 10 times as much as flipping burgers, and it's fun and it's exciting and you get to create things and build things and help make the world a better place and help make yourself a better living.’ Who tells them this?”

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