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Kinematics of Machines
Rating: 4.0 out of 5(13 ratings)
163 students

Kinematics of Machines

Mechanical Engineering, Mechanisms, Degrees of Freedom, Velocity and Acceleration Analysis, Mechanism Synthesis
Created byMechSophix Learning Hub
Last updated 10/2024
English

What you'll learn

  • Basics of machines, mechanisms, kinematic links and joints
  • Mobility of a Mechanism and Calculating the Degrees of Freedom
  • Inversions of a Four-bar Chain and Grashof' s Law
  • Inversions of a single slider crank chain - Quick Return Motion Mechanisms, Rotary and Oscillating Cylinder Engine, Hand-Pump
  • Inversions of a double slider crank chain - Elliptical Trammel, Scotch Yoke and Oldham Coupling
  • Velocity and Acceleration Analysis in Mechanisms using Relative Velocity Vector Approach
  • Velocity and Acceleration Analysis in Mechanisms using Instantaneous Centre of Rotation Approach
  • Velocity and Acceleration Analysis in Mechanisms using Analytical Approach (via Python)
  • Synthesis of mechanisms for Function generation, Path generation and Motion generation Graphical Approach
  • Synthesis of mechanisms with MS Excel - Analytical Approach

Course content

11 sections • 54 lectures • 11h 42m total length

  • Mechanics, Kinematics and Kinetics3:02

    This session talks about the difference in Mechanics, Kinematics and Kinetics, Statics & Dynamics

  • Why studying kinematics of machines is important6:12

    This session talks about the importance of studying kinematics of machines with reference to some practical applications of mechanisms.

  • Machine and Mechanism6:03

    This session explains the difference between a machine and a mechanism with some real-world examples.

  • Link, Rigid and Resistant bodies6:30

    This session describes about the link and its types

  • Kinematic Pairs, Lower and Higher pairs3:16

    This session explains what is meant by a Kinematic Pair and its classification into a lower and higher pair based on the nature of contact between them

  • Sliding, Turning, Cylindrical, Screw, Rolling and Spherical Kinematic Pairs7:11

    This session describes the various types of kinematic pairs based on the type of relative motion between them

  • Closed and Unclosed kinematic pairs3:25

    This session explains the types of kinematic pairs depending upon the manner in which they are constrained

  • Kinematic Chain, Mechanism and Structure4:44

    This session explains the difference between a kinematic chain, mechanism and structure

  • Higher order kinematic joints/pairs4:22
  • Completely, Incompletely and Successfully constrained motion4:59

    This session describes the meaning of a constrained and an unconstrained motion

  • Quiz 1

Requirements

  • No prior knowledge is required. Everything will be taught starting with the basic knowledge

Description

Kinematics of Machines is an important subject for people aspiring to be mechanical engineers and discusses about the relative motion of various elements in a machine. The subject also describes how the structural design of a mechanical system can be optimized to produce a desired motion of its elements and achieve better performance. Kinematics of machines has great practical applications in designing machines used in different industries such as manufacturing, textile, mining and aerospace etc. 

The present course (Kinematics of Machines) covers the Module I - III discussed in the course-overview video. The course material has been described systematically supported with properly curated video lectures and numerical problems/quizzes. The concepts in the course have been elaborated using real life applications, mechanism animations, schematics diagrams and solved numerical problems.

Topics that will be covered in the course are listed as follows:

Module I - 1. Kinematics, Machine, Mechanism, Kinematic links and Kinematic pairs, 2. Mobility of a Mechanism, Computation of Degrees of Freedom, Kutzbach and Grubler Criteria, Solved Numerical Problems, 3. Four-bar chain and its inversions, Grashof Law, Coupled wheels of a locomotive, Beam Engine, Watt's straight line mechanism, Ackermann Steering Mechanism, 4. Slider Crank Chain and its inversions, Rotary Engine, Whitworth Quick Return Motion Mechanism, Oscillating cylinder engine, Crank and slotted lever mechanism and Hand-pump mechanism, Solved Numerical Problems, 5. Double Slider-Crank Chain, Elliptical trammel, Scotch Yoke mechanism, Oldham Coupling.

Module II - 1. Velocity Analysis in Mechanisms by Relative Velocity Vector (Graphical) Approach, 2. Velocity Analysis in Mechanisms by Instantaneous Centre of Rotation (Graphical) Approach, 3. Acceleration Analysis in Mechanisms (Graphical Approach), 4. Velocity and Acceleration Analysis in Mechanisms - Analytical Approach.

Module III - 1. Introduction to Synthesis, 2. Function generation, Path generation and Motion generation, 3.  Relative pole method for synthesis, 4. Synthesis by Inversion method, 5. Synthesis for Function generation by Inversion method, 6. Synthesis for Path generation by Inversion method, 7. Synthesis for Motion generation by Inversion method. 8. Synthesis of mechanisms using Analytical method and MS Excel software.

Course material that will be provided to the learners include, 1. Pre-recorded video lectures, 2. Quizzes/Problems in between the lecture sessions. 3. Python codes wherever applicable

Who this course is for:

  • Students pursuing B. Tech in Mechanical Engineering, Students preparing for the GATE-Examination, Mechanical Engineers
  • Industry professionals working in the areas of mechanical design, robotics and automotive systems, etc.
  • Researchers and Academicians interested in mechanical systems, dynamics, or biomechanics

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