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Establishing performance requirements of computer based systems subject to uncertainty
| 题名： | Establishing performance requirements of computer based systems subject to uncertainty |
| 作者： | Robinson, D.; |
| 关键词： | 99 MATHEMATICS, COMPUTERS, INFORMATION SCIENCE, MANAGEMENT, LAW, MISCELLANEOUS ; MICROPROCESSORS; RELIABILITY; SYSTEM FAILURE ANALYSIS; AUTOMOBILES; PERFORMANCE; DESIGN; DIAGNOSTIC TECHNIQUES; FAULT TREE ANALYSIS |
| 摘要： | An organized systems design approach is dictated by the increasing complexity of computer based systems. Computer based systems are unique in many respects but share many of the same problems that have plagued design engineers for decades. The design of complex systems is difficult at best, but as a design becomes intensively dependent on the computer processing of external and internal information, the design process quickly borders chaos. This situation is exacerbated with the requirement that these systems operate with a minimal quantity of information, generally corrupted by noise, regarding the current state of the system. Establishing performance requirements for such systems is particularly difficult. This paper briefly sketches a general systems design approach with emphasis on the design of computer based decision processing systems subject to parameter and environmental variation. The approach will be demonstrated with application to an on-board diagnostic (OBD) system for automotive emissions systems now mandated by the state of California and the Federal Clean Air Act. The emphasis is on an approach for establishing probabilistically based performance requirements for computer based systems. |
| 总页数： | 11p |
| 报告类型： | 科技报告 |
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