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cs.RO2013
An algebraic study of linkages with helical joints
Hamid Abban, Zijia Li, Josef Schicho
Methods from algebra and algebraic geometry have been used in various ways to study linkages in kinematics. These methods have failed so far for the study of linkages with helical…
math.AG2013★ 18 cited
The Theory of Bonds II: Closed 6R Linkages with Maximal Genus
Gábor Hegedüs, Zijia Li, Josef Schicho +1
In this paper, we introduce a method that allows to produce necessary conditions on the Denavit--Hartenberg parameters for the mobility of a closed linkage with six rotational join…
math.AG2013★ 26 cited
Classification of Angle-Symmetric 6R Linkage
Zijia Li, Josef Schicho
In this paper, we consider a special kind of overconstrained 6R closed linkages which we call angle-symmetric 6R linkages. These are linkages with the property that the rotation an…