Defect-free optimal synthesis of crank-rocker linkage using nature-inspired optimization algorithms

Singh, Ramanpreet; Chaudhary, Himanshu; Singh, Amit Kumar

doi:10.1016/j.mechmachtheory.2017.05.018

Cited by 76 publications

(38 citation statements)

References 35 publications

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“…The goal function is to minimize the error between the desired and derived trajectory. Euclidian distance error between derived (P d ) and desired (P desired ) is computed to minimize the position error [27][28][29][30][31].…”

Section: Desired and Derived Trajectories Of Four-bar Mechanismmentioning

confidence: 99%

Optimal design and analysis of oscillatory mechanism for agricultural tillage operation

2019

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The paper presents to design a vibratory mechanism for agricultural tillage operation. Agriculture tillage plays an important role for crop cultivation. There are different unit farm operations. Tillage is the mechanical manipulation of soil to obtain suitable soil condition for seed germination and growth. There are two basic soil manipulation processes such as primary and secondary. Draft consumption plays a vital role while performing the operations. Vibratory tillage concept was introduced since 1955 which results in low draft consumption. Tools oscillate in a particular mode of oscillation with certain amplitude and frequency along with the implement forward motion. The objective of the paper is to design an optimal four-bar mechanism for vibratory agricultural tillage operation to trace the desired experimental trajectory by the tillage tool in the field.

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Section: Desired and Derived Trajectories Of Four-bar Mechanismmentioning

confidence: 99%

Optimal design and analysis of oscillatory mechanism for agricultural tillage operation

2019

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“…Bulatović et al (2016) developed a variable controlled deviations method and modified Krill Herd (MKH) algorithm to synthesize four-bar linkages for accomplishing approximately rectilinear motion (Bulatović and Dordević, 2009;Bulatović et al, 2016). Singh et al (2017) used nature inspired optimization algorithms to reduce the computation and get the crank-rocker mechanisms without defects (Singh et al, 2017). Sleesongsoma and Bureerat (2017) proposed a variant of teachinglearning-basedoptimization for four-bar linkage path generation, which was significantly superior to its original version (Sleesongsoma and Bureerat, 2017).…”

Section: Introductionmentioning

confidence: 99%

“…Wang et al (2019) developed a program package based on Matlab for the synthesis calculation of planar 4R linkage based on the theory of planar analytic geometry (Wang et al, 2019). Ramanpreet et al proposed a refinement scheme for the optimal syntheses of the planar crank-rocker linkage free from all defects, which is used in human knee exoskeleton (Singh et al, 2017). Bulatović and Dordević (2009) proposed the variable controlled deviations method to synthesize planar four-bar mechanisms for accomplishing approximately rectilinear motion.…”

Section: Introductionmentioning

confidence: 99%

“…Sleesongsoma and Bureerat (2017) introduced a variant of teachinglearning-basedoptimization, which was significantly superior to its original version. Singh et al (2017) proposed an optimization algorithm based on TLBO, which could reduce the computation and get the crank-rocker mechanisms without defects. A straight-line motion mechanism refers to one whose points occupy a portion of a trajectory that is approximately or precisely rectilinear (Vidosic and Tesar, 1967;Dijksman, 1976;Yu et al, 2013;Yin et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

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Synthesis Theory and Optimum Design of Four-bar Linkage with Given Angle Parameters

Yin

Huang

et al. 2019

Mech. Sci.

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Abstract. In this paper, a synthesis method is proposed for the 5-point-contact four-bar linkage that approximates a straight line with given angle parameters. The given parameters were the angles and the location of the Ball point. Synthesis equations were derived for a general Ball–Burmester point case, the Ball–Burmester point at an inflection pole, and the Ball point that coincided with two Burmester points, resulting in three respective groups of bar linkages. Next, taking Ball–Burmester point as the coupler point, two out of the three bar-linkage combinations were used to generate three four-bar mechanisms that shared the same portion of a rectilinear trajectory. Computation examples were presented, and nine cognate straight-line mechanisms were obtained based on the Roberts-Chebyshev theory. Considering that the given parameters were angles which was arbitrarily chosen, with the other two serving as the horizontal and vertical axes, so the solution region graphs of the solutions for three mechanism configurations were plotted. Based on these graphs, the distribution of the mechanism attributes was obtained with high efficiency. By imposing constraints, the optimum mechanism solution was straightforwardly identified by the designers. For the angular parameters prescribed in this paper, the solutions for three straight-line mechanism configurations were obtained, along with nine cognate straight-line mechanisms that shared the same portion of the rectilinear trajectory. All the fixed pivot installation locations and motion performances differed, thus providing multiple solutions to the trajectory of the synthesis of mechanisms.

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“…The kriging-based genetic algorithm is applied to aerodynamic design problems to reduce the number of design variables by eliminating those that have small effect on the objective function [6,7]. An algorithm based on teaching-learning-based optimization (TLBO) is presented to solve this highly nonlinear optimization problem in the 2 Mathematical Problems in Engineering crank-rocker mechanism system [8,9]. The shape optimization for path synthesis of crank-rocker mechanisms using a wavelet based on the neural network was proposed to provide an approximate solution of the synthesis problem [10,11].…”

Section: Introductionmentioning

confidence: 99%

Topology Optimization Analysis of Separation Mechanism for the Rice Trans-Planter

Chen

et al. 2018

Mathematical Problems in Engineering

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A mechanical topology regeneration design method based on the basic chain was presented which was reducing invalid topology design workload and improving optimization design efficiency. And it is used for configuration topology research of planetary separation mechanism of rice transplanting machine to verify its feasibility and effectiveness, which mainly consists of crank-rockerseparation mechanism, mechanical frame, planet carrier, total input shaft, and seedlings folder, and moving trajectory equation of seedling folder point A for the crank-rocker-separation mechanism is obtained according to the quadrangle vector closure principle. The topological synthesis diagram for motion chain for the CRSM was analysis by means of generalized treatment method based on theoretical optimization conditions and topological regeneration path design. The 6 kinds of topology diagram satisfying the design task for motion chair with high motion pair were obtained and the implemented mechanism diagram of kinematic chair for separation mechanism was designed based on the basic chain topology design method. The results show that topology design for the CRSM is relatively simplified for basic chain structure. And theoretical analysis of motion trajectory for the CRSM is relatively the same as the experimental results in the curve trend and relative error of angular displacement is reasonable and effective through test-rig comparative analysis with motion trajectory of crank-rocker-separation mechanism.

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Defect-free optimal synthesis of crank-rocker linkage using nature-inspired optimization algorithms

Cited by 76 publications

References 35 publications

Optimal design and analysis of oscillatory mechanism for agricultural tillage operation

Optimal design and analysis of oscillatory mechanism for agricultural tillage operation

Synthesis Theory and Optimum Design of Four-bar Linkage with Given Angle Parameters

Topology Optimization Analysis of Separation Mechanism for the Rice Trans-Planter

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