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Graphics Interchange Format  |  1997-01-15  |  64KB  |  455x645  |  4-bit (15 colors)
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OCR: Form SA Planner VA Components (pumps, valves) - id x x - Connectivity X - Operating, failure modes X - Parts x - Functional process role x - Parameters X Function Activities: Methods to - Find early start, late finish x - Build, merge activities X Components: Methods to - Diagnose problems X - Isolate (clear) a component X - Analyze choices, chances, value X Processes (pumping): Method to - Propagate behavior Tasks (repair pump): Method to - Estimate costs, benefits Behavior Actions: elaboration, refinement x - Chances x Activities - Start time, finish time, duration x x Successors, predecessors x Components (pumps, valves) Hypothesized faults - Mean time to failure, variance x Normal, expected repair costs, durations x Normal repair duration - Selected faults to repair x x - Status Parameters (outlet temperature) -Expected, simulated values Plants (Unit 1) - Demand, price, cost profiles Resources: Actions they can perform x Figure 2. Entities defined in the shared plant model. Shading indicates data items shared among two or more modules. The plant model represents numerous classes of plant components, including filters, headers, heat exchangers, instru- ments, pipes, process equipment, pumps, and valves.