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Annual index vol 12, 1990 年度指数第12卷，1990年
Advances in Engineering Software (1978)
Pub Date : 1990-10-01 DOI: 10.1016/0141-1195(90)90007-S
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引用次数: 0
Monitoring process control systems 监控过程控制系统
Advances in Engineering Software (1978)
Pub Date : 1990-07-01 DOI: 10.1016/0141-1195(90)90029-6
Robert W. Milne

Recently, there has been considerable interest in the applications of artificial intelligence to process control. To date, most work has been focused on how to enhance the process control loop itself or how to interact directly with the process and the control system. For near term applications, we claim that artificial intelligence should be used purely in a monitoring role. Rather than being involved in the active control of the system, artificial intelligence should be used to identify and assist with rapidly correcting any problems which cause the process control system to fail.

We also claim that it is too early to be concerned with real time issues. Rather, the emphasis should be on on-line systems, with particular emphasis placed on aids in knowledge base development and trending capabilities to provide early prediction of failure.

We have developed a system called Annie that embodies these principles into a working process monitoring system.

最近，人们对人工智能在过程控制中的应用产生了相当大的兴趣。迄今为止，大多数工作都集中在如何增强过程控制回路本身或如何与过程和控制系统直接交互。对于短期应用，我们认为人工智能应该纯粹用于监控角色。人工智能不应参与系统的主动控制，而应用于识别和协助快速纠正导致过程控制系统失败的任何问题。我们还声称，现在关注实时问题还为时过早。相反，重点应该放在联机系统上，特别强调知识库开发方面的帮助和提供故障早期预测的趋势能力。我们开发了一个名为Annie的系统，它将这些原则融入到工作过程监控系统中。
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引用次数: 1
A Fortran package for the planar analysis of limb intersegmental dynamics from spatial coordinate-time data 基于空间坐标-时间数据的肢体节间动力学平面分析的Fortran程序包
Advances in Engineering Software (1978)
Pub Date : 1990-07-01 DOI: 10.1016/0141-1195(90)90028-5
Klaus Schneider, Ronald F. Zernicke

Limbs in humans and animals are systems of linked bodies, in which motion of any one part of the linkage exerts forces on the remaining parts. Thus, during natural movements, forces can act on a limb segment even if a segment is not exposed to active muscle forces. Passive reactions arise from forces in tendons, ligaments, and peri-articular tissues, as well as from dynamical limb reactions related to inertial, Coriolis, and centripetal forces. Consequently, limb trajectories are influenced not only by active muscle forces but also by passive, intersegmental forces. For a more complete understanding of movement control, it is important to explain the mechanisms by which active and passive forces are coordinated. To achieve this, an analysis of limb intersegmental dynamics is essential, and here we provide a detailed description of the equations used for the planar analysis of limb intersegmental dynamics from spatial coordinate-time data, as well as the FORTRAN software to perform those calculations.

人类和动物的四肢是由相互连接的身体组成的系统，其中任何一个部分的运动都会对其他部分施加力。因此，在自然运动中，力可以作用于肢体部分，即使一个部分没有暴露于活跃的肌肉力量。被动反应来自肌腱、韧带和关节周围组织的力，以及与惯性、科里奥利力和向心力相关的肢体动力反应。因此，肢体运动轨迹不仅受到主动肌肉力的影响，也受到被动、节间力的影响。为了更全面地理解运动控制，解释主动和被动力协调的机制是很重要的。为了实现这一点，肢体节段间动力学分析是必不可少的，在这里，我们提供了用于从空间坐标-时间数据进行肢体节段间动力学平面分析的方程的详细描述，以及执行这些计算的FORTRAN软件。
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引用次数: 16
A VMS/FORTRAN 77 program to compute the normal shock waves of refrigerant R22 一个用于计算R22制冷剂正常激波的VMS/FORTRAN 77程序
Advances in Engineering Software (1978)
Pub Date : 1990-07-01 DOI: 10.1016/0141-1195(90)90031-Z
D.A. Kouremenos, R.N. Krikkis

When one-dimensional supersonic compressible flow undergoes a sudden retardation, a normal shock wave may occur. After the shock wave, the fluid properties can be obtained if continuity, momentum and energy balance laws are used. The method to compute the thermal and caloric properties of the fluid is explained in brief. A suitable FORTRAN 77 computer code is proposed, developed, tested and run with the operating system VMS on a MicroVAX II. With minor changes, it can run with MS-DOS on a PC/XT. The refrigerant R22 has been used as a fluid. Its thermal and caloric equation of state and the corresponding values are given in the following subroutines. Some results are given to check the code by potential users.

当一维超声速可压缩流发生突然减速时，会产生正常的激波。利用连续定律、动量定律和能量平衡定律，可以得到激波后流体的性质。简要说明了流体热、热特性的计算方法。提出了一种适合的FORTRAN 77计算机代码，并在MicroVAX II操作系统VMS上进行了开发、测试和运行。稍加改动，它就可以在PC/XT上与MS-DOS一起运行。制冷剂R22已作为流体使用。它的热和热量状态方程及相应的值在下面的子程序中给出。给出一些结果供潜在用户检查代码。
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引用次数: 0
A computer model to calculate varied flow functions for circular channels 一种计算圆形流道各种流动函数的计算机模型
Advances in Engineering Software (1978)
Pub Date : 1990-07-01 DOI: 10.1016/0141-1195(90)90027-4
Nabil A. Zaghloul

A computer model is developed to calculate the gradually varied flow profiles based on the Keifer and Chu approach. Numerical integration using Simpson's rule is adopted. The model can handle positive, horizontal and adverse pipe slopes. The computer model can provide total G.V.F. length or a detailed x-y calculation. Lotus 1-2-3 print-graph capabilities are used to plot the G.V.F. profiles.

在Keifer和Chu方法的基础上，建立了计算逐渐变化的流型的计算机模型。采用辛普森法则进行数值积分。该模型可以处理正、水平和不利的管道坡度。计算机模型可以提供总g.vf长度或详细的x-y计算。Lotus 1-2-3打印图形功能用于绘制G.V.F.剖面。
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引用次数: 8
Algorithms for multiplication and division of two polynomials 两个多项式的乘法和除法算法
Advances in Engineering Software (1978)
Pub Date : 1990-07-01 DOI: 10.1016/0141-1195(90)90030-A
P.B. Godbole
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引用次数: 1
Forthcoming conferences for 1991 Computational Mechanics Institute 计算力学研究所1991年即将召开的会议
Advances in Engineering Software (1978)
Pub Date : 1990-07-01 DOI: 10.1016/0141-1195(90)90033-3
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引用次数: 0
Software testing and evaluation 软件测试与评估
Advances in Engineering Software (1978)
Pub Date : 1990-07-01 DOI: 10.1016/0141-1195(90)90032-2
A. Chaudouet-Miranda
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引用次数: 0
Bulletin no. 40 公告没有。40
Advances in Engineering Software (1978)
Pub Date : 1990-04-01 DOI: 10.1016/0141-1195(90)90025-2
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引用次数: 0
Forthcoming conferences for 1990/1191 computational mechaniscs institute 计算力学研究所1990/ 191年即将召开的会议
Advances in Engineering Software (1978)
Pub Date : 1990-04-01 DOI: 10.1016/0141-1195(90)90026-3
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引用次数: 0
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