TABLE OF CONTENTS -- Continued 4. TECHNOLOGY ISSUES 4.1 Control System 4-1 4.1.1 Evaluation of Alternate Power Transfer and Drive Devices 4-1 4.1.2 Detailed Control System Analysis 4-2 4.2 Structural System 4-3 4.2.1 Composite Structures and Assembly Techniques 4-3 4.2. 2 Tension Brace Antenna Feasibility Assessment 4-4 4.2.3 Local Crippling Stress Evaluation 4-4 4.2.4 Design Environments 4-5 4.2.5 Optimum Antenna Structures 4-5 4.2.6 Finite Element Model Development 4-6 4.2.7 Composite Waveguide 4-6 4.3 Thermal System 4-7 4.3.1 Maximum Temperature 4-7 4.3.2 Transient Analysis 4-8 4.4 Assembly 4-9 4.4.1 Assembly Cost 4-9 4.4.2 Man’s Role in Assembly and Maintenance 4-10 5. REFERENCES 5-1 VOLUME IV - Sections 9 through 14 with Appendices H through K 9. RECEIVING ANTENNA 9.1 Microwave Rectifier Technology 9-1 9.2 Antenna Approaches 9-9 9.3 Topology of Rectenna Circuits 9-14 9.4 Assembly and Construction 9-21 9.5 ROM Cost Estimates 9-21 9.6 Power Interface Estimates 9-25 9.6.1 Inverter System 9-30 9.6.2 Power Distribution Costs 9-30 9.6.3 System Cost 9-31 9.7 Conclusions and Recommendations 9-31
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