1 Introduction ………………………………………………….. 1
1.1 Backgrounds………………………………………………………….. 1
1.1 Motivation…………………………………………………………..... 4
1.3 Objectives and Methodology ………………………………………. 4
1.4 Problem Statement………………………………………………….. 5
1.5 Thesis Contribution…………………………………………………. 6
1.6 Literature Review……………………………………………………. 6
1.7 Thesis Overview……………………………………………………... 7
2 Kinematics and Dynamics………………………………… 8
2.1 DELTA Type Parallel Robot……………………………………….. 8
2.2 Inverse Kinematics………………………………………………….. 9
2.3 Forward Kinematics…………………………………………………. 15
2.4 Velocity Kinematics…………………………………………………. 22
2.5 Forward and Inverse Singularity analysis 26
2.6 Dynamic Equations………………………………………………….. 26
2.6.1 Virtual Work Dynamics…………………………………….. 28
2.6.2 No-Rigid Body Effects………………………………………. 31
2.7 Actuator Dynamics…………………………………………………... 33
3 Controller Design 35
3.1 Controller Techniques ……………………………………………. 35
3.2 Open and Closed-Loop Control……………