On an assumption guaranteeing boundary layer convergence of singularly perturbed systems. - Stephen L. Campbell (Autom., 1981)

Regularizations of linear time varying singular systems. - Stephen L. Campbell (Autom., 1984)

Control problem structure and the numerical solution of linear singular systems. - Stephen L. Campbell (Math. Control. Signals Syst., 1988)

Comments on 2-D descriptor systems. - Stephen L. Campbell (Autom., 1991)

The Numerical Solution of Differential-Algebraic Systems by Runge-Kutta Methods (Ernst Hairer, Christian Lubich, and Michel Roche). - Stephen L. Campbell (SIAM Rev., 1991)

Methods of Solving Singular Systems of Ordinary Differential Equations (Y. Boyarintsev). - Stephen L. Campbell (SIAM Rev., 1993)

Utilization of automatic differentiation in control algorithms. - Stephen L. Campbell; Edward Moore; Yangchun Zhong (IEEE Trans. Autom. Control., 1994)

Numerically generated path stabilizing controllers: Use of preliminary feedback. - Dirk von Wissel; Ramine Nikoukhah; François Delebecque; Stephen L. Campbell (Kybernetika, 1995)

Solvability of General Differential Algebraic Equations. - Stephen L. Campbell; E. Griepentrog (SIAM J. Sci. Comput., 1995)

Numerical solution of initial-value problems in differential-algebraic equations. - Kathryn E. Brenan; Stephen L. Campbell; Linda R. Petzold (SIAM, 1996)

Intelligent DAE solvers and user friendly design, simulation, and analysis packages. - Stephen L. Campbell (SMC, 1998)

Observer Design for General Linear Time-invariant Systems. - Ramine Nikoukhah; Stephen L. Campbell; François Delebecque (Autom., 1998)

Mixed symbolic-numerical computations with general DAEs I: System properties. - Stephen L. Campbell; R. Hollenbeck; K. Yeomans; Yangchun Zhong (Numer. Algorithms, 1998)

Mixed symbolic-numerical computations with general DAEs II: An applications case study. - Stephen L. Campbell; Wieslaw Marszalek (Numer. Algorithms, 1998)

Kalman filtering for general discrete-time linear systems. - Ramine Nikoukhah; Stephen L. Campbell; François Delebecque (IEEE Trans. Autom. Control., 1999)

The Jump Behavior and Stability Analysis for 2-D Singular Systems. - Yun Zou; Stephen L. Campbell (Multidimens. Syst. Signal Process., 2000)

Numerically constructible observers for linear time-varying descriptor systems. - Neil Biehn; Stephen L. Campbell; Ramine Nikoukhah; François Delebecque (Autom., 2001)

Early decision making when using proper auxiliary signals. - Stephen L. Campbell; Kimberly Drake; Ramine Nikoukhah (CDC, 2002)

Auxiliary signal design for rapid multi-model identification using optimization. - Stephen L. Campbell; Kirk G. Horton; Ramine Nikoukhah (Autom., 2002)

Convergence of Nonconvergent IRK Discretizations of Optimal Control Problems with State Inequality Constraints. - John T. Betts; Neil Biehn; Stephen L. Campbell (SIAM J. Sci. Comput., 2002)

Auxiliary signal design for robust multimodel identification. - Ramine Nikoukhah; Stephen L. Campbell; Kirk G. Horton; François Delebecque (IEEE Trans. Autom. Control., 2002)

Initialization of direct transcription optimal control software. - John T. Betts; Stephen L. Campbell; N. N. Kalla (CDC, 2003)

Auxiliary signal design for failure detection in uncertain sampled-data systems. - Ramine Nikoukhah; Stephen L. Campbell (ECC, 2003)

Analysis of spline based auxiliary signal design for failure detection in delay systems. - Stephen L. Campbell; Kimberly Drake; Ramine Nikoukhah (SMC, 2003)

Direct transcription solution of inequality constrained optimal control problems. - John T. Betts; Stephen L. Campbell; Anna Engelsone (ACC, 2004)

Software for auxiliary signal design. - Stephen L. Campbell; Ramine Nikoukhah (ACC, 2004)

A numerical integrator for simulation of unstructured implicit models. - Stephen L. Campbell; Mónica Selva; Carmen Arévalo (ACC, 2004)

Unitary partitioning in general constraint preserving DAE integrators. - Carmen Arévalo; Stephen L. Campbell; Mónica Selva (Math. Comput. Model., 2004)

A comparison of optimal and suboptimal auxiliary signal design approaches for robust failure detection. - Dongkyoung Choe; Stephen L. Campbell; Ramine Nikoukhah (CCA, 2005)

Order of Convergence in the Direct Transcription Solution of Optimal Control Problems. - Anna Engelsone; Stephen L. Campbell; John T. Betts (CDC/ECC, 2005)

A Multi-Model Approach to Failure Detection in Uncertain Sampled-Data Systems. - Ramine Nikoukhah; Stephen L. Campbell (Eur. J. Control, 2005)

Comparison between failure detection test signals for continuous systems and sampled-data systems. - Dongkyoung Choe; Stephen L. Campbell; Ramine Nikoukhah (CDC, 2006)

Auxiliary signal design for active failure detection in uncertain linear systems with a priori information. - Ramine Nikoukhah; Stephen L. Campbell (Autom., 2006)

Active fault detection in nonlinear systems using auxiliary signals. - Ivan Andjelkovic; Kelly A. Sweetingham; Stephen L. Campbell (ACC, 2008)

On the Detection of Small Parameter Variations in Linear Uncertain Systems. - Ramine Nikoukhah; Stephen L. Campbell (Eur. J. Control, 2008)

Differential-algebraic equations. - Stephen L. Campbell; Vu Hoang Linh; Linda R. Petzold (Scholarpedia, 2008)

Asymptotic behavior and solution approximation of Active Robust fault detection for closed-loop systems. - Alireza Esna Ashari; Ramine Nikoukhah; Stephen L. Campbell (CDC, 2009)

Active incipient fault detection with more than two simultaneous faults. - Stephen La Vern Campbell; Martene Fair (SMC, 2009)

Stability criteria for differential-algebraic equations with multiple delays and their numerical solutions. - Stephen L. Campbell; Vu Hoang Linh (Appl. Math. Comput., 2009)

Auxiliary signal Design for Fault Detection in nonlinear Systems. - Kelly A. Sweetingham; Stephen L. Campbell (Control. Intell. Syst., 2009)

Optimal piecewise-constant signal design for active fault detection. - Dongkyoung Choe; Stephen L. Campbell; Ramine Nikoukhah (Int. J. Control, 2009)

Completions of nonlinear DAE flows based on index reduction techniques and their stabilization. - Stephen L. Campbell; Peter Kunkel (J. Comput. Appl. Math., 2009)

An active approach for detection of incipient faults. - Ramine Nikoukhah; Stephen L. Campbell; Kimberly Drake (Int. J. Syst. Sci., 2010)

Optimal control software for constrained nonlinear systems with delays. - John T. Betts; Stephen L. Campbell; Karmethia C. Thompson (CACSD, 2011)

Maximally reduced observers for linear time varying DAEs. - Karen Bobinyec; Stephen L. Campbell; Peter Kunkel (CACSD, 2011)

Direct optimization determination of auxiliary test signals for linear problems with model uncertainty. - Ivan Andjelkovic; Stephen L. Campbell (CDC/ECC, 2011)

Full order observers for linear DAEs. - Karen Bobinyec; Stephen L. Campbell; Peter Kunkel (CDC/ECC, 2011)

Auxiliary signal design for robust active fault detection of linear discrete-time systems. - Alireza Esna Ashari; Ramine Nikoukhah; Stephen L. Campbell (Autom., 2011)

Constructing observers for linear time varying DAEs. - Karen Bobinyec; Stephen L. Campbell; Peter Kunkel (CDC, 2012)

Effects of feedback on active fault detection. - Alireza Esna Ashari; Ramine Nikoukhah; Stephen L. Campbell (Autom., 2012)

Active Robust Fault Detection in Closed-Loop Systems: Quadratic Optimization Approach. - Alireza Esna Ashari; Ramine Nikoukhah; Stephen L. Campbell (IEEE Trans. Autom. Control., 2012)

Observer based fault detection in differential algebraic equations. - Jason R. Scott; Stephen L. Campbell (SIAM Conf. on Control and its Applications, 2013)

On the numerical treatment of linear-quadratic optimal control problems for general linear time-varying differential-algebraic equations. - Stephen L. Campbell; Peter Kunkel (J. Comput. Appl. Math., 2013)

Auxiliary signal design for failure detection in high index differential-algebraic equations. - Jason R. Scott; Stephen L. Campbell (CDC, 2014)

Asynchronous auxiliary signal design for failure detection. - Stephen L. Campbell; Jason R. Scott (SMC, 2014)

Lobatto IIIA methods, direct transcription, and DAEs with delays. - John T. Betts; Stephen L. Campbell; Karmethia C. Thompson (Numer. Algorithms, 2015)

Comments on direct transcription solution of DAE constrained optimal control problems with two discretization approaches. - Stephen L. Campbell; John T. Betts (Numer. Algorithms, 2016)

Comment on solution of differential-algebraic equations through gradient flow embedding. - Stephen L. Campbell (Comput. Chem. Eng., 2017)

Decentralized Observer-Based Reliable Control for a Class of Interconnected Markov Jumped Time-Delay System Subject to Actuator Saturation and Failure. - Zhaohui Chen; Zhong Cao; Qi Huang 001; Stephen L. Campbell (Circuits Syst. Signal Process., 2018)

Reliable H∞ control on saturated linear Markov jump system with uncertain transition rates and asynchronous jumped actuator failure. - Zhaohui Chen; Zhong Cao; Qi Huang 001; Stephen L. Campbell (J. Frankl. Inst., 2018)

Compose, OML, and Activate: A New Software Suite for Modeling and Simulation. - Stephen L. Campbell; Ramine Nikoukhah (SysCon, 2019)