Walter Murray Wonham

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Why Is Walter Murray Wonham Influential?

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According to Wikipedia, Walter Murray Wonham was a Canadian control theorist and professor at the University of Toronto. He focused on multi-variable geometric control theory, stochastic control and stochastic filters, and the control of discrete event systems from the standpoint of mathematical logic and formal languages.

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Walter Murray Wonham's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Supervisory control of a class of discrete event processes (1987) (3441)
The internal model principle of control theory (1976) (2520)
Linear Multivariable Control: A Geometric Approach (1974) (2147)
The control of discrete event systems (1989) (1226)
The internal model principle for linear multivariable regulators (1975) (1083)
On a Matrix Riccati Equation of Stochastic Control (1968) (922)
On pole assignment in multi-input controllable linear systems (1967) (919)
On observability of discrete-event systems (1988) (823)
On the supermal controllable sublanguage of a given language (1987) (688)
Think Globally, Act Locally: Decentralized Supervisory Control (1991) (573)
Decoupling and Pole Assignment in Linear Multivariable Systems: A Geometric Approach (1970) (541)
On the supremal controllable sublanguage of a given language (1984) (519)
Random differential equations in control theory (1970) (486)
On the Separation Theorem of Stochastic Control (1968) (483)
The supervisory control of timed discrete-event systems (1992) (470)
Some applications of stochastic difierential equations to optimal nonlinear ltering (1964) (436)
Modular feedback logic for discrete event systems (1987) (436)
Linear Multivariable Control (1979) (426)
Fault diagnosis in discrete-event systems: framework and model reduction (1998) (347)
Decentralized supervisory control of discrete-event systems (1987) (321)
Status of noninteracting control (1971) (306)
Modular Supervisory Control of Discrete Event Systems (1988) (295)
Decentralized control and coordination of discrete-event systems with partial observation (1990) (293)
Topics in mathematical system theory (1972) (285)
On the consistency of hierarchical supervision in discrete-event systems (1990) (276)
Control of vector discrete-event systems. II. Controller synthesis (1994) (235)
Nonblocking supervisory control of state tree structures (2005) (229)
Modular supervisory control of discrete-event systems (1988) (202)
Optimal Stationary Control of a Linear System with State-Dependent Noise (1967) (195)
A framework for real-time discrete event control (1990) (189)
Formulas for calculating supremal controllable and normal sublanguages (1990) (178)
Hierarchical control of discrete-event systems (1996) (175)
On supervisor reduction in discrete-event systems (1986) (175)
Global and local consistencies in distributed fault diagnosis for discrete-event systems (2005) (171)
Optimal stochastic control (1969) (155)
Supervisory Control Architecture for Discrete-Event Systems (2008) (147)
Decoupling and pole assignment by dynamic compensation (1970) (141)
Supervisory Control of Discrete-Event Systems (2018) (132)
Modular Control and Coordination of Discrete-Event Systems (1998) (130)
Control problems in a temporal logic framework (1986) (125)
The internal model principle for linear multivariable regulators (1975) (124)
Control of Infinite Behavior of Finite Automata (1994) (121)
On the complexity of supervisory control design in the RW framework (2000) (118)
Synthesis of multivariable regulators: The internal model principle (1974) (118)
Hierarchical interface-based supervisory control-part II: parallel case (2005) (116)
Dynamic Multiple-Period Reconfiguration of Real-Time Scheduling Based on Timed DES Supervisory Control (2016) (115)
Control of Vector Discrete-Event Systems (1993) (106)
Supervisor Localization: A Top-Down Approach to Distributed Control of Discrete-Event Systems (2015) (105)
The role of transmission zeros in linear multivariable regulators (1975) (99)
Probing signals for model reference identification (1977) (98)
Hierarchical interface-based supervisory Control-part I: serial case (2005) (97)
Regulation and Internal Stabilization in Linear Multivariable Systems (1974) (97)
Error feedback and internal models on differentiable manifolds (1982) (95)
Controllability and observability in the state-feedback control of discrete-event systems (1988) (94)
Feedback invariants of linear multivariable systems (1972) (93)
Distributed diagnosis for qualitative systems (2002) (92)
Fault diagnosis in discrete-event systems: incorporating timing information (2005) (91)
Relative Observability of Discrete-Event Systems and Its Supremal Sublanguages (2013) (88)
Supervision of Infinite Behavior of Discrete-Event Systems (1994) (83)
On the Computation of Observers in Discrete-Event Systems (2004) (82)
Supervisory control of discrete event processes (1982) (82)
TCT: A Computation Tool for Supervisory Control Synthesis (2006) (80)
Liapunov criteria for weak stochastic stability (1966) (76)
Fault diagnosis in timed discrete-event systems (1999) (74)
Towards an abstract internal model principle (1976) (72)
Computationally efficient supervisor design: abstraction and modularity (2006) (68)
On the Computation of Natural Observers in Discrete-Event Systems (2006) (68)
Multitasking Supervisory Control of Discrete-Event Systems (2005) (67)
Implementation Considerations in Supervisory Control (2002) (67)
STCT: An Efficient Algorithm for Supervisory Control Design (2002) (66)
Supervisory control of discrete-event systems: A brief history (2018) (61)
Modelling, Specifying, and Verifying Real-Time Embedded Computer Systems (1987) (60)
Supervisory control of probabilistic discrete event systems (1993) (60)
Triangular decoupling of linear multivariable systems (1970) (59)
Supervision of discrete event processes (1982) (58)
Stochastic problems in optimal control (1963) (57)
A hybrid approach to supervisory control of discrete event systems coupling RW supervisors to Petri nets (2006) (56)
On Supervisory Control of Real-Time Discrete-Event Systems (1987) (54)
The infimal prefix-closed and observable superlanguage of given language (1991) (53)
Supervisory control of communicating processes (1990) (52)
A computational approach to optimal control of stochastic saturating systems. (1969) (49)
Decoupling and disturbance rejection (1975) (49)
Another note on the transformation to canonical (phase-variable) form (1964) (49)
A control theory for discrete-event systems (1988) (48)
Tracking and Regulation in Linear Multivariable Systems (1973) (47)
On pole assignment in multivariable linear systems (1968) (47)
Probability Densities of the Smoothed ‘ Random Telegraph Signal ’† (1958) (46)
A temporal logic approach to real time control (1985) (45)
Dynamic observers-geometric theory (1970) (44)
Real-Time Supervisory Control of a Processor for Non-Preemptive Execution of Periodic Tasks (1999) (42)
Hierarchical control of timed discrete-event systems (1996) (41)
Supervisory Control of Discrete-Event Systems: A Brief History – 1980-2015 (2017) (39)
Distributed supervisory control of discrete-event systems with communication delay (2012) (38)
STSLib and its application to two benchmarks (2008) (36)
A structural approach to the non-blocking supervisory control of discrete-event systems (2009) (36)
NOTE ON A PROBLEM IN OPTIMAL NONLINEAR CONTROL (1963) (36)
A design procedure for multivariable regulators (1974) (36)
On Zeroing the Output of a Linear System (1972) (35)
Decentralized control and coordination of discrete-event systems (1988) (35)
Manufacturing cell supervisory control-a modular timed discrete-event system approach (1992) (34)
Discrete-Event Systems Supervisory Control for a Dynamic Flow Controller (2009) (33)
Supervisor localization for large discrete-event systems (2009) (33)
Supervisor specification and synthesis for discrete event systems (1988) (32)
Robust nonblocking supervisory control of discrete-event systems (2005) (30)
Protocol verification using discrete-event systems (1992) (30)
A Liapunov method for the estimation of statistical averages (1966) (28)
Optimal Priority-Free Conditionally-Preemptive Real-Time Scheduling of Periodic Tasks Based on DES Supervisory Control (2017) (28)
Supervision localization of timed discrete-event systems (2013) (26)
Supervisor Localization: A Top‐Down Approach to Distributed Control of Discrete‐Event Systems (2009) (26)
Hierarchical interface-based supervisory control: serial case (2001) (26)
Internal Models in Control, Biology and Neuroscience (2018) (26)
On a problem of letov in optimal control (1965) (25)
Decoupling and data sensitivity (1975) (25)
Reduced supervisors for timed discrete-event systems (2003) (25)
Equivalence preserving transformations for timed transition models (1992) (24)
Hierarchical Fault Diagnosis for Discrete-Event Systems under Global Consistency (2006) (23)
Geometric state-space theory in linear multivariable control: A status report (1979) (23)
Unity in Diversity, Diversity in Unity: Retrospective and Prospective Views on Control of Discrete Event Systems (2002) (22)
New results on supervisor localization, with case studies (2015) (22)
Complexity reduction in discrete event systems (2002) (21)
Robust nonblocking supervisory control of discrete-event systems (2002) (21)
Modular supervisory control of timed discrete-event systems (1993) (21)
State machines, temporal logic and control: A framework for discrete event systems (1987) (20)
Discrete event systems modeling and control of a manufacturing testbed (1995) (20)
Fault Diagnosis in Finite-State Automata and Timed Discrete-Event Systems (1999) (19)
Computationally Efficient Supervisor Design: Control Flow Decomposition (2006) (19)
Disturbance Decoupling and Output Stabilization (1979) (19)
Delay-robustness in distributed control of timed discrete-event systems based on supervisor localization (2013) (19)
Supervisor localization of discrete-event systems under partial observation (2015) (19)
State based control of timed discrete event systems using binary decision diagrams (2007) (18)
On relative coobservability of discrete-event systems (2015) (18)
Exploiting symmetry of state tree structures for discrete-event systems with parallel components (2016) (18)
Designing communicating transaction processes by supervisory control theory (2007) (18)
Decentralized fault diagnosis for discrete-event systems (2000) (17)
Strict concurrency and nondeterministic control of discrete-event systems (1989) (17)
Stabilizability and detectability for evolution systems on banach spaces (1976) (17)
On relative observability of discrete-event systems (2013) (17)
The Internal Model Principle of Linear Control Theory (1975) (17)
Relative Observability and Coobservability of Timed Discrete-Event Systems (2016) (17)
Manufacturing cell supervisory control-a timed discrete event system approach (1992) (16)
A model of component consistency in distributed diagnosis (2004) (16)
Modular supervisory control and coordination of state tree structures (2013) (16)
Exploiting Symmetry of Discrete-Event Systems by Relabeling and Reconfiguration (2020) (15)
Hierarchical interface-based non-blocking verification (2000) (15)
Generic Solvability of the Decoupling Problem (1974) (14)
Supervisory control of interacting discrete event systems (2002) (14)
A note on pole assignment (1968) (14)
Discrete-event system modeling and supervisory control for under-load tap-changing transformers (2006) (13)
Supremum operators and computation of supremal elements in system theory (1997) (13)
Concurrency and state feedback in discrete-event systems (1992) (13)
The Semistable-Center-Unstable Manifold near a Critical Element* (1984) (12)
Multi-tasking supervisory control of discrete-event systems (2004) (12)
Extremum Control in the Presence of Noise (1961) (12)
Control of state tree structures (2003) (12)
A computational approach to optimal control of stochastic saturating systems (1968) (12)
On computation of supremal controllable, normal sublanguages (2005) (11)
State-event observers for labeled transition systems (1994) (11)
Structurally stable nonlinear regulation with step inputs (1984) (11)
Algebraic methods in linear multivariable control (1971) (11)
Hierarchical coordination (1990) (11)
Control of omega-Automata, Church's Problem, and the Emptiness Problem for Tree omega-Automata (1991) (11)
Probabilistic reasoning in distributed diagnosis for qualitative systems (2002) (10)
The Internal Model Principle of Regulator Theory on Differentiable Manifolds (1981) (10)
Systematic supervisory control solutions for under-load tap-changing transformers (2008) (10)
Distributed diagnosis under global consistency (2004) (9)
Model Reduction of Modules for State-Even Temporal Logics (1996) (9)
Automatic reconfiguration of untimed discrete-event systems (2017) (9)
Blocking detection in discrete event systems (2003) (9)
Supervisory control of discrete-event systems: an introduction (2000) (9)
Efficient implementation of fairness in discrete-event systems using queues (2005) (8)
Supervisor Localization of Discrete-Event Systems Based on State Tree Structures (2012) (8)
Hierarchical distributed diagnosis under global consistency (2004) (8)
Design of transaction management protocols (1996) (8)
On Relative Observability of Timed Discrete-Event Systems (2014) (8)
Interacting DES: modelling and analysis (2003) (8)
A Symbolic Approach to the Supervision of State Tree Structures (2005) (7)
Real-Time Scheduling Based on Nonblocking Supervisory Control of State-Tree Structures (2021) (7)
A Discrete-Event Supervisory Control for the AC Microgrid (2021) (7)
Erratum: On a Matrix Riccati Equation of Stochastic Control (1969) (7)
Feedback systems in a general algebraic setting (1978) (7)
Control of Vector Discrete-Event S y s terns 11-Controller Synthesis (1994) (6)
Online supervision of discrete event systems (2003) (6)
Nonblocking Supervisory Control of Flexible Manufacturing Systems Based on State Tree Structures (2013) (6)
Discussion on the stability of the singular trajectory with respect to "Bang-bang" control (1964) (5)
Algebraic Decomposition of Controlled Sequential Machines (1981) (5)
Failsafe Mechanism Design for Autonomous Aerial Refueling using State Tree Structures (2019) (5)
Characterizations and effective computation of supremal relatively observable sublanguages (2016) (5)
A new algorithm for computing the supremal relatively observable sublanguage (2016) (5)
Supervisor localization for large-scale discrete-event systems (2010) (5)
Priority-free conditionally-preemptive scheduling of modular sporadic real-time systems (2018) (5)
Stable supervisory control of flexible manufacturing systems with fixed supply and demand rates (2001) (5)
Exploiting symmetry of discrete-event systems with parallel components by relabeling (2015) (4)
Some remarks on control and computer science (1987) (4)
Checking delay-robustness of distributed supervisors of discrete-event systems (2012) (4)
Supervisor State Size Reduction for Timed Discrete-Event Systems (2007) (4)
Basis feedback, weak interaction, and concurrent well-posedness in concurrent discrete-event systems (1989) (4)
On the probability density of the output of a low-pass system when the input is a Markov step process (1960) (4)
Probability measure on regular languages and its application in fault diagnosis for discrete event systems (2004) (4)
Decentralized supervisory control of discrete-event systems based on State Tree Structures (2012) (4)
Algebro-geometric and lie-theoretic techniques in systems theory, part A: Interdisciplinary mathematics [Book reviews] (1979) (4)
Automatic Generation of Optimal Reductions of Distributions (2018) (4)
Failsafe Mechanism Design of Multicopters Based on Supervisory Control Theory (2017) (3)
Nonblocking coordination of discrete-event systems by control-flow nets (2007) (3)
Representation of supervisory controls using state tree structures, binary decision diagrams, automata, and supervisor reduction (2012) (3)
Regulation, Feedback and Internal Models (1984) (3)
Lecture notes on stochastic control, part I (1967) (3)
On a stabilization result of Wonham (1970) (3)
New results on supervisor localization, with application to multi-agent formations (2012) (3)
Geometric methods in the structural synthesis of linear multvariable controls (1977) (3)
Composite supervisory control for symmetric discrete-event systems (2018) (3)
State-Based Control of Timed Discrete-Event Systems (2018) (3)
Discrete-event supervisory control for under-load tap-changing transformers (ULTC): from synthesis to PLC implementation (2010) (3)
Hierarchical interface-based supervisory control: Bi-level systems (2001) (3)
An approach to on-line adaptive decoupling (1975) (3)
Localization of Timed Discrete-Event Systems (2016) (2)
Case Study: Production Cell (2016) (2)
An algorithm to achieve local consistency in distributed systems (2004) (2)
A Generalized Theory on Supervisor Reduction (2018) (2)
On computation of distributed supervisory controllers in discrete-event systems (2012) (2)
Reduction of distributions and its applications (2017) (2)
Random processes in nonlinear control systems (1966) (2)
A correction to a propagating error in the Lurie problem (1967) (2)
Towards an Abstract Internal Model Principle (1976) (2)
Time Scales Hierarchical in Stably Control Nested Systems (1980) (2)
Fault diagnosis based on timed automata: Diagnoser verification (2007) (2)
Order Identification of ARMA Models Based on Instrumental Variable Estimators (1991) (2)
On Causal and Stable Solutions to Rational Matrix Equations with Applications to Control Theory (1976) (1)
Delay-Robustness for Localization-Based Distributed Control of Timed Discrete-Event Systems (2013) (1)
Supervision of Discrete-Event Systems: Basics (2019) (1)
Conditional markov processes and their application to problems of optimal control (1968) (1)
Recent progress in multivariable control (1975) (1)
The Second International Congress of IFAC on Automatic Control (August 27–September 4, 1963, Basel, Switzerland) (1964) (1)
Symbolic reachability analysis and maximally permissive entrance control for globally synchronized templates (2018) (1)
Localization for Large-Scale Systems (2016) (1)
Correction to: Supervisory Control of Discrete-Event Systems (2019) (1)
Colored Petri net control of OR-logic (2002) (1)
Distributed Maximally Permissive Nonblocking Control of Flexible Manufacturing Systems (2013) (1)
Regulation of Linear Stochastic Systems (1975) (1)
Queue reduction in discrete-event systems by relabeling (2018) (1)
Comments on "feedback control logic for forbidden-state problems of marked graphs: application to a real manufacturing system" (2004) (1)
Timed Discrete-Event Systems are Synchronous Product Structures (2018) (1)
Reduction of Distributions: Definitions, Properties, and Applications (2017) (1)
Bidirectional Dynamic Reconfiguration of Discrete-Event Systems* (2020) (1)
The authors wish to express their gratitude to the reviewers for their valuable comments and suggestions. (1981) (1)
Erratum to "Hierarchical Interface-Based Supervisory Control - Part I: Serial Case" (2005) (1)
Localization: Further Results and Examples (2016) (0)
Relative coobservability for decentralised supervisory control of discrete-event systems (2019) (0)
Observability and Dynamic Observers (1974) (0)
Tracking and Regulation I: Output Stabilization (1974) (0)
Correction to "Relative Observability of Discrete-Event Systems and Its Supremal Sublanguages" (2017) (0)
From Linear Systems to Discrete-Event Systems: Invited Talk at the Fifth Workshop on Synthesis (2016) (0)
Stochastic Analysis of a Class of Nonlinear Control Systems With Random Step Inputs (1963) (0)
Tracking and Regulation II: Output Regulation with Internal Stability (1979) (0)
Decentralized and Distributed Supervision of Discrete-Event Systems (2018) (0)
Noninteracting Control I: Basic Principles (1974) (0)
A Design Procedure for Regulators* Multivariable (1976) (0)
Timed discrete-event system supervisory control for under-load tap-changing transformers (2016) (0)
Quadratic Optimization II: Dynamic Response (1979) (0)
The lecture material is based on the following references. Unpublished ar ticles are available from the author in report form, on request. (1974) (0)
Toward a Computationally Efficient Optimal Solution to the LOG Discrete-Time Dual Control Problem (1979) (0)
Localization Based on State Tree Structures (2016) (0)
Additions to the review of "Conditional Markov processes and their application to problems of optimal control" (1968) (0)
Supervision of Vector Discrete-Event Systems (2018) (0)
Noninteracting Control III: Generic Solvability (1974) (0)
Tracking and Regulation III: Structurally Stable Synthesis (1974) (0)
Characterizations and effective computation of supremal relatively observable sublanguages (2017) (0)
Discussion: “On a Class of Constrained Control, Linear Regulator Problems” (Tchamran, A., 1966, ASME J. Basic Eng., 88, pp. 385–391) (1966) (0)
Introduction to Controllability (1979) (0)
Hierarchical Supervision of Discrete-Event Systems (2018) (0)
Controllability, Feedback and Pole Assignment (1979) (0)
New results on supervisor localization, with case studies (2014) (0)
TimedDiscrete-Event Systems are SynchronousProduct Structures (2018) (0)
State-Based Control of Discrete-Event Systems (2018) (0)
Distributed supervisory control of discrete-event systems with communication delay (2015) (0)
Singularly Perturbed Analysis of Chattering in Relay Control Systems (2002) (0)
Realization theory of rational transfer matrices (1970) (0)
Noninteracting Control II: Efficient Compensation (1974) (0)
Relative Coobservability in Decentralized Supervisory Control of Discrete-Event Systems (2016) (0)
Algebraic Preliminaries (2018) (0)
Tracking and Regulation II: Internal Stabilization (1974) (0)
Quadratic Optimization I: Existence and Uniqueness (1979) (0)
Comments on "On the Stability of Uncertain Polynomials with Dependent Coefficients" (1992) (0)
Tracking and Regulation I: Output Regulation (1979) (0)
W. Murray Wonham [People in Control] (2021) (0)
Analytical Approximation Method for the Center Manifold in the Nonlinear Output Regulation Problem (2009) (0)
All Technical Committee Chairmen are Associate Editors of IEEE TRANSACTIONS ON AUTOMATIC CONTROL. (1978) (0)
Localization: Fundamental Results (2016) (0)
Protocol Verification Using (1992) (0)
Queue reduction in discrete-event systems by relabeling (2018) (0)
A new technique in dual adaptive control (1982) (0)
Supervisory Control with Partial Observations (2018) (0)
Feedback-induced congruences in controlled sequential machines (1981) (0)

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