Real time system--论文代写范文精选

因此,也许有必要仔细调整架构，根据问题类型和需求。不同的体系结构显示不同形式,不同个体实时认知有特定的发展路径,将根据自己的特殊模式形成障碍。下面的paper代写范文进行阐述。

Abstract
A real time system is a composite of a basic computing structure and the embedding environment with which it interacts. The structure, in this treatment, may be a biological system, multiple-workspace distributed cognition social organization, or a computing machine. The structure/environment composite is subject to rate distortion constraints, as are internal processes. These will be driven by entropic torrents and jets that can increase average distortion at all levels of hierarchy. Stabilization, in the face of such degradation force, requires energy and other resources, as implied by the homologies relating information source uncertainty, channel capacity, and free energy density. 

Cognitive structures are further subject to complicated punctuated phase transition failures depending on average distortion between intent and impact, as well as in the communication between internal components. These are not at all the graceful degradation under stress so hoped for by engineers or managers, and may be greatly compounded by sudden, if predictable, large deviations fluctuations in distortion. For multiple global workspace systems, for example institutions or high order cognitive machines, punctuated system degradation can be driven by deterioration in communication within or between internal workspaces, or by deterioration in execution. 

Further, No Free Lunch constraints similar to inattentional blindness in natural neural processes are likely to become synergistic with distortion torrents and jets to produce complex, path dependent, developmental pathologies that are unlikely to scale well with system size or service load. Such behaviors may make increasingly severe demands on resources to ensure system stabilization. At some point, for a given architecture, a crossover may be reached at which most added resources must be used to simply ensure system stability. Thus it may become necessary to very carefully tune architecture according to both problem type and demand. For biological systems this conundrum has long been recognized as allometric scaling (e.g., White and Seymour, 2005; Speakman, 2005). 

Not only will different architectures display different forms of these pathologies, different individual real-time cognitive structures, having particular long-term developmental paths, will be subject to their own special patterns of dysfunction. Remediation under such circumstances seems more akin to an arduous psychiatric intervention than to a simple engineering or medical quick fix. The rate distortion model we have embraced for real time systems sees the structure and its environment as a unit: Environments are always idiosyncratic, and can write images of themselves on developing cognitive structures embedded in them. 

Experience suggests that the problems explored here are most likely to be viewed in a manner similar to the discussions of nuclear waste disposal and system safety that took place in the mid 1950’s, just as commercial power reactors began to proliferate. Apparently, there must be a certain number of Chernobyl-like failures before such matters gain serious attention. Indeed, Wallace and Fullilove (2008) and Wallace et al. (2007) explore in some detail how traditions of law and religion have failed to constrain predatory institutional behaviors of distributed cognition leading to more rapid proliferation of HIV infection in the United States, so that, while Chernobyllike events may be necessary for change, under our socioeconomic and political system, they can fail to be sufficient.(paper代写)

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