JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Geometry of motion-Grublers Criterion for plain and spatial mechanisms- Grashoff’s law for planar and spatial mechanisms, Kutn batch criterion for planar and spatial mechanisms velocity and acceleration analysis, use of computers in analysis. Velocity and accelerations analysis of complex mechanisms.

UNIT - II

Coupler curves, Robert’s chebychev spacing method. Cognate linkages. Path curvature- polodes- euler savery equation – bobiller and hartman’s construction- equivalent mechanisms. Space mechanisms and mobility equations: positional problems. Vector analysis of velocity and accelerations

UNIT - III

Theorem of angular velocities and accelerations- computer aided analysis. Static force analysis of plane and spatial mechanisms: Inertia forces and torques. Dynamics force analysis, application of computer animation and simulation of motion studies.

UNIT - IV

Dynamic motion analysis: Quinn’s energy distribution method, the equivalent mass and force method. The rate of change of energy method, dynamic motion simulation.

UNIT - V

Synthesis of linkages: Two position synthesis, properties of rolopole, chebychev spacing. Optimization of the transmission angles. The overlay method; three-position synthesis; point position reduction; synthesis of dwell mechanisms. Codes/Tables: no table/codebooks required for examination

TEXT BOOKS:

• 1. Kinematics and dynamics and design of machinery, Waldron, Wiley publishers.
• 2. Shigley: J.E. Kinematic Analysis of mechanisms, McGraw 11.

REFERENCE BOOKS:

• 1. Hirschcom: J. K. Kincibcs and Dynamics of Plane Mechanisms McGraw Hill.
• 2. Holewenko, A.R. Dynamics of machinery, John Wiley & Sons.