On Spatial Constraint Solving Approaches

2001 ◽  
pp. 1-15 ◽  
Author(s):  
Christoph M. Hoffmann ◽  
Bo Yuan
Keyword(s):  
Constraint Solving ◽  
Spatial Constraint

CSS Minification via Constraint Solving

2019 ◽  
Vol 41 (2) ◽  
pp. 1-76
Author(s):  
Matthew Hague ◽  
Anthony W. Lin ◽  
Chih-Duo Hong
Keyword(s):  
Constraint Solving

Cβ-Selective Aldol Addition of d-Threonine Aldolase by Spatial Constraint of Aldehyde Binding

ACS Catalysis ◽  
2021 ◽  
pp. 6892-6899
Author(s):  
Sung-Hyun Park ◽  
Hogyun Seo ◽  
Jihye Seok ◽  
Haseong Kim ◽  
Kil Koang Kwon ◽  
...  
Keyword(s):  
Spatial Constraint ◽  
Threonine Aldolase ◽  
Aldol Addition

Constraint Solving for Term Orderings Compatible with Abelian Semigroups, Monoids and Groups

Constraints ◽  
2004 ◽  
Vol 9 (3) ◽  
pp. 167-192
Author(s):  
Guillem Godoy ◽  
Robert Nieuwenhuis
Keyword(s):  
Constraint Solving

Backpropagation networks for logic constraint solving

1994 ◽  
Vol 6 (1) ◽  
pp. 67-98 ◽  
Author(s):  
Angelo Monfroglio
Keyword(s):  
Constraint Solving

Kinematic Fixturing With Respect to a Plane Using Contact Sensing

1998 ◽  
Author(s):  
Walter W. Nederbragt ◽  
Bahram Ravani
Keyword(s):  
Spatial Constraint ◽  
Spatial Constraints ◽  
Constraint Equations ◽  
Contact Sensing ◽  
Geometric Elements ◽  
Work Cells

Abstract This paper presents a method for determining the location of geometric elements that compose the external features of referencing fixtures. Since in most applications parts that are handled in robotic work-cells are on a worktable or a floor, this paper focuses on fixture geometries that reside on a plane of known location. The location of the unknown geometric elements are found using contacts to the geometric elements and spatial constraints between the geometric elements. Geometric equations for contacts between lines, planes, points, spheres, and cylinders are derived. Spatial constraint equations are also derived. An algorithm is given for locating the geometric elements that form the fixture. The algorithm uses the contact equations and spatial constraint equations to locate the geometric elements. To illustrate the use of this algorithm, two examples are described in detail.

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