Browsing by Author "Saha, S.K."

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    MechAnalyzer: 3D simulation software to teach kinematics of machines
    (2015) Lokesh, R.; Chittawadigi, R.G.; Saha, S.K.
    Theory of Machine course includes kinematics and dynamics of mechanisms and machines. Though it is an important part of Mechanical Engineering curriculum, it is often difficult for teachers to teach and students to learn the concepts related to mechanisms, by just following text-books. With physical prototypes or virtual mechanisms in a software environment, the course can be taught in a lucid and effective way. While several commericial and free software exist that can be used to compliment the teaching and learning, a significant amount of time is required to learn the software first, and then use it. In this paper, MechAnalyzer (Version 3) software is presented which has a very simple to use interface and an easy learning curve. An user can select from any of the available mechanism and change the input parameters. A 3D model of the selected mechanism with linkages and joints are generated and shown to the user in a 3D environment, whose motion can be animated and seen. The main advantage of MechAnalyzer is that it has been developed as a framework with modules making it easier for developers to add new mechanisms. The authors would like to include as many mechanisms as possible to make it a digital library of mechanism and perform analyses on them. � 2015, Indian Institute of Technology, IIT. All rights reserved.
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    MechAnalyzer: 3D simulation software to teach kinematics of machines
    (Indian Institute of Technology, IIT, Kanpur, 2015) Lokesh, R.; Chittawadigi, R.G.; Saha, S.K.
    Theory of Machine course includes kinematics and dynamics of mechanisms and machines. Though it is an important part of Mechanical Engineering curriculum, it is often difficult for teachers to teach and students to learn the concepts related to mechanisms, by just following text-books. With physical prototypes or virtual mechanisms in a software environment, the course can be taught in a lucid and effective way. While several commericial and free software exist that can be used to compliment the teaching and learning, a significant amount of time is required to learn the software first, and then use it. In this paper, MechAnalyzer (Version 3) software is presented which has a very simple to use interface and an easy learning curve. An user can select from any of the available mechanism and change the input parameters. A 3D model of the selected mechanism with linkages and joints are generated and shown to the user in a 3D environment, whose motion can be animated and seen. The main advantage of MechAnalyzer is that it has been developed as a framework with modules making it easier for developers to add new mechanisms. The authors would like to include as many mechanisms as possible to make it a digital library of mechanism and perform analyses on them. © 2015, Indian Institute of Technology, IIT. All rights reserved.
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    MechAnalyzer: Software to Teach Kinematics Concepts Related to Cams, Gears, and Instantaneous Center
    (Springer, 2021) Dikshithaa, R.; Jain, S.; Swaminathan, J.; Chittawadigi, R.G.; Saha, S.K.
    Theory of Machines and Mechanisms is the foundation for the world’s race toward automation. Simple mechanisms, cams, and gears find applications in all such automated systems. Therefore, a thorough understanding of these basics is quite essential. The authors are a part of the development team of MechAnalyzer, a software aimed at easing the teaching and learning of concepts related to mechanisms. In this paper, several new modules are reported. Cam module lets user select properties of a cam-follower mechanism and the steps required to draw cam profile is animated and shown to the user. Similarly, concepts related to gear profiles and meshing of gears are illustrated in gears module. Another module is presented which lets user understand the velocity analysis of planar mechanisms using the Instantaneous Center (IC) method. All these modules and the earlier set of modules to teach kinematics of mechanisms are readily available for free at http://www.roboanalyzer.com/mechanalyzer.html. © 2021, Springer Nature Singapore Pte Ltd.