Specifications

CT Corsair Final Report May 2, 2014
1
TABLE OF CONTENTS
1. Summary and Overview…………………………………………………………………...….3
2. Introduction………………………………………………………………………………..…..3
2.1. Sponsor Background………………………………………………………………….…..3
2.2. Simulator Background……………………………………………………………………3
2.3. Problem Statement……………………………..…………………………………………4
2.4. Design Goals………………………………...……………………………………………4
3. Design Details……………………………..……..……………………………………………5
3.1. Design Deliverables………………………………………………………………………5
3.2. Overview and Description of Proposed Solution and Contingency Design………...……6
3.2.1. Clarifications on Induction vs. Servo Systems………………………………..…..7
3.3. Induction Motor Rebuild: the How and Why………………….…….……….…………10
3.4. Electrical Design Modifications……………………………….….……….……………10
4. Project Specifications……………………………………………….….……….……………11
4.1. Simulator Motion Definitions and Requirements…………………………….…………11
4.2. Motion and Environmental Specifications…………………..………………….………12
4.3. Final Motor Specifications………………………………….……….…….……………13
4.4. Parametric Model Development……………………….…….………….………………13
4.5. Prepar3D Compatibility…………………………………………………………………13
5. Kinematic Analysis for Motor Selection……………………………….……………………14
5.1. Theory…………………………………………………………….…………………….14
5.2. Free Body Analysis: Spring Coefficient………………………..………………………14
5.3. Free Body Analysis: Torque Requirements………………….…………………………16
5.4. Torque Requirements………………………………………….…….……….…………21
5.5. Angular Velocity Calculations……………………………………………….…………21
5.6. Horsepower Requirements…………………………………………………...…………22
6. Prototype………………………………………………………………………………….…22
6.1. Purpose of Prototype……………………………………………………………………22
6.2. Construction and Functionality…………………………………………………………23
7. Motors and Drives Control……………………………….………….………………………24
7.1. DS2110 Digital Controller Commissioning Software……….…………….……………24
7.2. Moog DS2110 Servo Drive Setup Procedures………………………………………….27
7.3. DS2110 Commutation Offset…………………………………………………………...28
7.4. Servo Motor and Drive System Components……………….…………..………………29
7.5. Motor Programming and Communications…………………….……………….………29
8. Scissor Arm Design……………………………………………….…………………………31
8.1. Scissor Arm Overview…………………………………….……………………………31
8.2. Purpose of Redesign……………………………………………….……………………31
8.3. Scissor Arm Theory and Free Body Analysis……………….……….…………………31
8.4. Upper Scissor Arm: Finite Element Analysis……………………………...……………32
8.4.1. Model Selection………………………………………………………….………32
8.4.2. Analysis Criteria…………………………………………………………………33
8.4.3. Analysis Results…………………………………………………………………35
8.5. Lower Scissor Arm Design…………………………………………………..…………35
8.5.1. Parametric Model Development…………………………………………………35