@article{2006012,
abstract = {Path generation compliant mechanisms (PGCM) are flexible structures which generate some desired path and/or transmit force by undergoing elastic deformation (under some applied load) instead of through rigid linkages/joints as in rigid body mechanism. In the present work, multi-objective problem is posed for evolving of PGCM using local-search based genetic algorithm. Minimization of weight of structure and minimization of input energy to the structure have been considered as two conflicting objective functions subjected to maximum of 10{\%} of deviation between five precision points of prescribed path and corresponding five points obtained on the actual path of a specified point on structure after FEM analysis and a constraint on stress. Geometrical non-linear finite element model is used for the synthesis of PGCM. On the basis of the calculated function and constraint values, an evolutionary algorithm (NSGA-II) is used to find the optimal solution. A local search based multi-objective GA is used to reduce the computational time and improve the quality of GA solutions. The Pareto-optimal front obtained shows different trade-off solutions from minimum weight to the maximum weight of structure. The minimum weight solution is corresponding to the maximum input energy to the structure and vice-versa.},
author = {Sharma, Deepak and Deb, Kalyanmoy and Kishore, N N},
journal = {International conference on trends in product life cycle, modeling, simulation and synthesis (PLMSS)},
keywords = {Compliant mechanisms,Large displacements,Local search method,Multi-objective genetic algorithm,Topology optimization},
pages = {227--238},
title = {{Evolving path generation compliant mechanisms (PGCM) using local-search based multi-objective genetic algorithm}},
url = {https://www.researchgate.net/publication/228963748},
year = {2006}
}