Chebyshev Lambda Mechanism
The Chebyshev lambda mechanism is a four- link coupling gear or crank arm , which converts a rotary movement into an approximately straight movement of almost constant speed, and is sometimes confused with the related Hoecken mechanism . According to Roberts' theorem, this mechanism represents the replacement gear of the Chebyshev mechanism .
The name lambda comes from the fact that the mechanism looks like the Greek letter λ ("lambda") . The path of movement of the lambda mechanism reminded Pafnuti Lwowitsch Tschebyschow of the path of movement of a horse's hoof.
Another name for the mechanism is Chebyshefflenker . Like the Klann mechanism, it can be used to make walking machines such as the Strandbeest .
history
The mechanism was first publicly demonstrated at the Paris World Exhibition in 1878 as " The Plantigrade Machine ".
The original of the Plantigrad machine is in the Moscow Polytechnic Museum .
In the German-speaking countries, due to the year of mathematics 2008, it is also known as "Tschebyscheff walking machine".
2D computer animation of a Plantigrade machine
3D computer animation of a Plantigrade machine
Lambda mechanism
Drawing of the Plantigrade Machine
Lengths
Web links
Individual evidence
- ↑ http://www.tm-aktuell.de/TM5/VierartikelAnimation/vierartikelanimation.html
- ↑ a b http://www.igm.rwth-aachen.de/getriebemodellsammlung/home/#ebene-getriebe/getriebebeschreibung/kurbelschwinge-tschebyschefflenker
- ^ A b Robert L. Norton: Design of Machinery: An Introduction To The Synthesis and Analysis of Mechanisms and Machines . 5th edition. McGraw Hill, 2011, ISBN 978-0-07-352935-6 , pp. 134 ( online [PDF]).
- ↑ http://www.dmg-lib.org/dmglib/main/portal.jsp?mainNaviState=browsen.mecdesc.viewer&id=336025
- ↑ http://www.etudes.ru/en/etudes/stopohod/
- ↑ http://demonstrations.wolfram.com/ChebyshevsLambdaMechanism/
- ↑ a b http://en.tcheb.ru/1
- ↑ St. Petersburg State Polytechnical University: Dzenushko Dainis: Walking mechanisms survey
- ↑ http://www.etudes.ru/en/etudes/stopohod/
- ↑ http://www.mathfilm2008.de/2008.003.14?lang=de
- ↑ Discovering mathematics - ideas to imitate ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice.
