ProceedingsIEEE Computer Society Press, 1999 - Artificial intelligence |
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Page 73
... axis of an allowed rotation , or in other words the vector of the unit magnitude angular velocity that the part could have . In this case it is [ 0 0 1 ] which means that rotation is allowed about an axis aligned with the PCS z - axis ...
... axis of an allowed rotation , or in other words the vector of the unit magnitude angular velocity that the part could have . In this case it is [ 0 0 1 ] which means that rotation is allowed about an axis aligned with the PCS z - axis ...
Page 77
... axis . Figure 3 below illustrates the method of calculation of d vector . S S d Z Y Part Coordinate Fra me Figure 3. Geometry for calculation of d vector Q is the point at the origin of a given feature coordinate frame expressed in part ...
... axis . Figure 3 below illustrates the method of calculation of d vector . S S d Z Y Part Coordinate Fra me Figure 3. Geometry for calculation of d vector Q is the point at the origin of a given feature coordinate frame expressed in part ...
Page 78
... axis 1. For each feature ( i = 1 to n ) , construct vectors d , that are perpendicular to ISA and pass through the origin of each feature coordinate frame . This is done by : PQ ; Q ; - P PQi Si @ • = S1 = P + s ; @ d ; = Q ; - S ; 2 ...
... axis 1. For each feature ( i = 1 to n ) , construct vectors d , that are perpendicular to ISA and pass through the origin of each feature coordinate frame . This is done by : PQ ; Q ; - P PQi Si @ • = S1 = P + s ; @ d ; = Q ; - S ; 2 ...
Contents
ASSEMBLY | 1 |
FeatureBased Assembly Model and MultiAgents System structure for ComputerAided Assembly | 8 |
Construction of the Precedence Graphs Equivalent to a Given Set of Assembly Sequences | 14 |
Copyright | |
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1999 IEEE International algorithm analysis analyzed applied approach Archimedes Assembly and Task assembly features assembly modeling assembly planning assembly process assembly sequence automated assembly automatically axis components Computer Conf configuration configuration space constraint manager constraints cost defined deformation described Design for Assembly developed disassembly processes Engineering evaluation example feasible fixturing force framework function Genetic Algorithms geometric gripper IEEE International Symposium implemented input integration joint kinematic kinematic pairs machining manipulator manufacturing matrix method module motion planning node object operations optimal orientation path planning path representation performed planner Portugal position precedence graph problem Proc process planning product design recycling representation represented Robotics and Automation rotation screw theory shown in Figure simulation solution space sphere step strategy structure subassembly Symposium on Assembly Task Planning Porto testing tool trajectory twistmatrix variables vector workcell