PartII_outline_Lecture1

PartII_outline_Lecture1 - Part I: Kinematics, the...

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Part I: Kinematics, the fundamentals This section will provide an overview of the fundamental concepts in kinematics. This will include the following topics: 1. What is Kinematics? 2. Kinematics within mechanics 3. Key definitions 4. Motion and kinematics pairs 5. Transmission of motion 6. Mobility 7. Review of some general classes of Mechanisms MEEG439 Course Notes - Outline Part II -1
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1: What is Kinematics? “Kinematics is the study of _MOTION WITHOUT REGARD TO FORCES (Deals with position, velocity, and acceleration)_ ___________ This is kinematics, MEEG439 Course Notes - Outline Part II -2
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and this is kinematics, This is NOT kinematics, MEEG439 Course Notes - Outline Part II -3
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Why Kinematics? Why Machines? Create / harness energy (non-human energy) Manufacturing, agriculture Assistive / serve humans MEEG439 Course Notes - Outline Part II -4
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What is the future of kinematics and machinery? Miniature, micro and perhaps even nano-scale machines (motion at a micro or molecular level) Medical, rehabilitative, prosthetic Self-replication of machinery, machines design machines Machines become more biological in nature (compliant, biological muscles, intelligent). MEEG439 Course Notes - Outline Part II -5
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2. Kinematics within Mechanics Kinematics and the theory behind machines have a long history. Kinematics has evolved to become a unique component within Mechanics as demonstrated in this figure MEEG439 Course Notes - Outline Mechanics Statics Dynamics Kinematics Kinetics Mechanics of  materials Part II -6
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3. A few key definitions: Kinematics: The study of motion without reference to forces Dynamics: consists of studying the kinematics and kinetics of mechanisms or machines Mechanism: A system of elements arranged to transmit motion in a predetermined fashion. Machine: Contains mechanisms that are designed to provide significant forces and transmit significant power. Degrees of freedom: is equal to the number of independent parameters (measurements) that are needed to uniquely define its position in space at any instant of time MEEG439 Course Notes - Outline Part II -7
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Constraint: the number of DOF that a system is not permitted to perform. Mobility: Can be classified according to the number of DOF that a system possesses. MEEG439 Course Notes - Outline Part II -8
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4. Motion (of a rigid body): displacement of a rigid body w.r.t. a fixed frame or reference frame.
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This note was uploaded on 02/06/2012 for the course MEEG 439 taught by Professor Scf during the Spring '11 term at The Petroleum Institute.

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PartII_outline_Lecture1 - Part I: Kinematics, the...

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