Figure 3.6(a) shows a three-link planar arm. Because all three joints are revolute, this manipulator is sometimes called an RRR (or 3R) mechanism. Fig. 3.6(b) is a schematic representation of the same manipulator. Note the double hash marks

Figure 3.6(a) shows a three-link planar arm. Because all three joints are revolute, this manipulator is sometimes called an RRR (or 3R) mechanism. Fig. 3.6(b) is a schematic representation of the same manipulator. Note the double hash marks

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

Question

3.1 [15] Compute the kinematics of the planar arm from Example 3.3.

EXAMPLE 3.3
Figure 3.6(a) shows a three-link planar arm. Because all three joints are revolute,
this manipulator is sometimes called an RRR (or 3R) mechanism. Fig. 3.6(b) is a
schematic representation of the same manipulator. Note the double hash marks
70 Chapter 3
Manipulator kinematics
(a)
(b)

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