NDLI: Co-simulation of coupled dynamic subsystems: a differential-algebraic approach using singularly perturbed sliding manifolds

Content Provider	IEEE Xplore Digital Library
Author	Bei Gu Gordon, B.W. Asada, H.H.
Copyright Year	2000
Description	Author affiliation: Dept. of Mech. Eng., MIT, Cambridge, MA, USA (Bei Gu)
Abstract	An approach is developed for simulation of interacting subsystems described as differential-algebraic equations (DAEs). Multiple simulators of individual subsystems are simultaneously run in order to simulate coupled behavior of interacting subsystems. The dynamic interactions among subsystems are treated as boundary conditions described by algebraic constraints. This leads to a formulation consisting of differential-algebraic equations. An efficient method for solving nonlinear high-index DAEs using singular perturbation theory and sliding mode control is applied. It guarantees computational accuracy of the algebraic constraints. The co-simulation method is implemented on a network-computing environment using a hybrid symbolic and numerical algorithm. The algebraic constraints and the high-index derivatives needed for DAE computation are automatically derived and reduced to C code using Maple V. The interacting subsystem simulators are then connected by the co-simulation coordinator that drives state variables of each subsystem not to deviate from the algebraic constraints. Numerical examples are used to demonstrate the approach.
Starting Page	757
Ending Page	761
File Size	577453
Page Count	5
File Format	PDF
ISBN	0780355199
ISSN	07431619
DOI	10.1109/ACC.2000.876599
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-06-28
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Computational modeling Fluid dynamics Boundary conditions Nonlinear equations Differential equations Manifolds Mechanical engineering Differential algebraic equations Sliding mode control Process control
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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