• SPS logistics management covers the tasks of SPS maintenance, crew rotation, and the provision of crew logistics and material supplies for maintenance. • Ground receiving and distribution management includes the monitoring and control of the receiving antenna and the utility interface system, their maintenance and logistics, and the systems safety provisions. The overall approach in power management is shown in Figure 10-2. Each SPS has its individual level of management that feeds all vital information to the central power management from where, in turn, required actions will originate. 10.3 CONTROL MODEL The objective of the control model is to satisfy the energy demand at the ground receiving and distribution sites according to established SPS performance criteria. TABLE 10-1. PROGRAM REQUIREMENTS AND MANAGEMENT CRITERIA Program Requirements Management Criteria 1. SPS operational program elements require numerous diverse and concurrent activities. 2. Ground location of management, administrative, and technical personnel; GEO located maintenance personnel; ground-based and space-based logistics personnel. 3. Diverse, complex, and interrelated activities require single authority. 4. Complexity and multitude of systems and operations require capability of shifting resources to unscheduled events and activities. Multidisciplinary action ties Diverse location of personnel Unity of command Flexibility
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