Mecanisynt: Free Software for the trajectory’s generation in four-bar mechanism using Genetic Algorithms
DOI:
https://doi.org/10.15665/rp.v21i2.2962Keywords:
Synthesis of mechanisms, kinematic simulation, optimization method.Abstract
The four-bar flat mechanism is one of the main link systems used in different areas of engineering as a solution to motion generation problems. There are classical methods to determine the synthesis of mechanisms based on graphic and analytical procedures. Their main limitation is that the number of precision points that can be considered to define the desired trajectory is very restricted. Recently, other techniques have been developed such as Genetic Algorithms that have facilitated the creation of efficient mechanisms thanks to advances in computer science. Therefore, this paper describes the development of specialized software that performs the synthesis of trajectory generation and kinematic simulation of four-bar plane mechanisms for multiple precision points, using Genetic Algorithms as an optimization method. In addition, position, speed, and acceleration graphs are generated to make the interpretation of the data easier and to calculate the proximity between the points through which the obtained mechanism will pass. Initially, a flow chart was developed in Java, where the algorithmic logic of its operation is defined. Then, a flexible, intuitive, and easy-to-use graphic interface was developed and validated by presenting it to potential end users. The results obtained were validated by comparing them with different mechanisms proposed in previous studies. Demonstrating that the software will allow users to perform the trajectories synthesis more easily and quickly than the existing analytical methods.
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