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Orienting small parts with vibration...

Swanson, Peter Jon.

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Orienting small parts with vibration: A passive juggling strategy.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Orienting small parts with vibration: A passive juggling strategy./
作者:	Swanson, Peter Jon.
面頁冊數:	134 p.
附註:	Source: Dissertation Abstracts International, Volume: 58-02, Section: B, page: 0952.
Contained By:	Dissertation Abstracts International58-02B.
標題:	Engineering, System Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9722104
ISBN:	0591308843

Orienting small parts with vibration: A passive juggling strategy.
Swanson, Peter Jon.

Orienting small parts with vibration: A passive juggling strategy. - 134 p.

Source: Dissertation Abstracts International, Volume: 58-02, Section: B, page: 0952.

Thesis (Ph.D.)--University of Michigan, 1997.

Motivated by the problems of flexible manufacturing and parts feeding in sensor-less assembly, we propose a flat, level vibrating table as a means of orienting small parts for assembly. We demonstrate that a passive vibration strategy can bring a 1 degree of freedom bouncing ball to a specified periodic trajectory from all initial conditions. We examine the utility of catching and tossing the ball on the moving table, and demonstrate that such "sticking" solutions are locally attracting. The sticking strategy is extended to a shape that is free to rotate. Properties of sticking are exploited to partially control time of flight and rotational velocity during flight, which leads to a ratchet strategy in which the part tends to rotate in a consistent direction. A procedure for tuning the ratchet parameters is proposed, and numeric simulations suggest that the tuned system can reorient the part to a known orientation from all initial conditions. When extended to 3 degrees of freedom, simulations suggest that the same ratchet strategy and tuning procedure bring the state of the part to a known orientation.

ISBN: 0591308843Subjects--Topical Terms:

1018128
Engineering, System Science.

Orienting small parts with vibration: A passive juggling strategy.
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245 1 0 $a Orienting small parts with vibration: A passive juggling strategy.
300 $a 134 p.
500 $a Source: Dissertation Abstracts International, Volume: 58-02, Section: B, page: 0952.
500 $a Chair: Daniel Koditschek.
502 $a Thesis (Ph.D.)--University of Michigan, 1997.
520 $a Motivated by the problems of flexible manufacturing and parts feeding in sensor-less assembly, we propose a flat, level vibrating table as a means of orienting small parts for assembly. We demonstrate that a passive vibration strategy can bring a 1 degree of freedom bouncing ball to a specified periodic trajectory from all initial conditions. We examine the utility of catching and tossing the ball on the moving table, and demonstrate that such "sticking" solutions are locally attracting. The sticking strategy is extended to a shape that is free to rotate. Properties of sticking are exploited to partially control time of flight and rotational velocity during flight, which leads to a ratchet strategy in which the part tends to rotate in a consistent direction. A procedure for tuning the ratchet parameters is proposed, and numeric simulations suggest that the tuned system can reorient the part to a known orientation from all initial conditions. When extended to 3 degrees of freedom, simulations suggest that the same ratchet strategy and tuning procedure bring the state of the part to a known orientation.
590 $a School code: 0127.
650 4 $a Engineering, System Science. $3 1018128
650 4 $a Engineering, Mechanical. $3 783786
690 $a 0790
690 $a 0548
710 2 0 $a University of Michigan. $3 777416
773 0 $t Dissertation Abstracts International $g 58-02B.
790 1 0 $a Koditschek, Daniel, $e advisor
790 $a 0127
791 $a Ph.D.
792 $a 1997
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9722104