Particle Swarm Optimization for Integrated Fixture Layout

Abstract

Fixture is a work-holding or supporting device used in the manufacturing industry to hold the workpiece. Fixtures are used to securely locate (position in a specific location or orientation) and support the work, ensuring that all parts produced using the fixture will maintain conformity and interchangeability. The location of fixture elements is called as fixture layout. The fixture layout plays major role in the work piece deformation during the machining operation. Hence optimization of fixture layout to minimize the work piece deformation is one of the critical aspects in the fixture design process. Minimization the workpiece deformation which is the objective function in the present work is calculated using Finite Element Method (FEM) and the fixture layout is optimized using Discrete fixture layout optimization method (DFLOM), Continuous fixture layout optimization method (CFLOM) and Integrated fixture layout optimization method (IFLOM).The workpiece deformation is minimum in Particle Swarm Optimization (PSO) based IFLOM is reported for the selected fixture. In this paper the PSO is used as an optimization tool to optimize the workpiece deformation.

An Improved Simulated Annealing Algorithm in Dataset Domain for Optimizing Robust Workpiece Fixture Layout

“…[35] An integrated fixture layout optimization method based on particle swarm optimization (PSO) [36] is based on the principle of minimizing the deformation of the workpiece, which effectively reduces the deformation of the workpiece. [37] Combined with the above analysis, some domain search heuristic algorithms are commonly used in the research of fixture layout optimization, such as GA, PSO, and ACA. Although this type of algorithm overcomes the problem that the traditional method cannot guarantee a global or near-global solution and relies on initial solution selection, its population size and genetic operator selection are relatively complicated.…”

“…[ 35 ] An integrated fixture layout optimization method based on particle swarm optimization (PSO) [ 36 ] is based on the principle of minimizing the deformation of the workpiece, which effectively reduces the deformation of the workpiece. [ 37 ]…”