Process systems and passivity via the Clausius-Planck inequality

被引:129
作者
Ydstie, BE [1 ]
Alonso, AA [1 ]
机构
[1] UNIV VIGO,DEPT CHEM ENGN,VIGO 36200,SPAIN
关键词
distributed system; energy; entropy; exergy; hyperbolic differential equation; passivity; process control; molecular dynamics; nonlinear control; system theory; non-equilibrium thermodynamics; irreversible thermodynamics;
D O I
10.1016/S0167-6911(97)00023-6
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper we define a process system to be a system which has actions with the Clausius-Planck and conservation properties. We use standard and well established results derived from macroscopic thermodynamics to show that a process system has actions which satisfy the dissipation inequality. Furthermore, these actions have an inner product structure and a link between the thermodynamic theory of process systems and the input-output passivity theory of nonlinear control is established. The paper therefore represents a step towards developing a passivity based approach for distributed control system design for chemical processes. a review of relevant concepts from thermodynamics is given in an appendix. (C) 1997 Elsevier Science B.V.
引用
收藏
页码:253 / 264
页数:12
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