The proceedings contains 11 papers from the iee colloquium on applied control techniques using matlab. Topics discussed include: analysis of multivariable Smith predictors;controller design for the idle speed control ...
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The proceedings contains 11 papers from the iee colloquium on applied control techniques using matlab. Topics discussed include: analysis of multivariable Smith predictors;controller design for the idle speed control of an internal combustion engine;design of a discrete linear quadratic optimal missile autopilot;observer design;neural networks;multiobjective control system design;and genetic algorithms.
matlab, SIMULINK and dSPACE control implementation tools are applied to the idle speed control of an internal combustion engine. The different control design techniques under examination include classical, fuzzy, H-in...
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matlab, SIMULINK and dSPACE control implementation tools are applied to the idle speed control of an internal combustion engine. The different control design techniques under examination include classical, fuzzy, H-infinity, predictive and variable structure methods. The controllers are assessed for their transient and steady state performance, sensitivity to load disturbance, robustness, control signal activity and the algorithm size, complexity and execution time.
The matlab Genetic Algorithm Toolbox aims to make genetic algorithms accessible to the control engineer within the framework of an existing computer-aided control system design (CACSD) package. This allows the retenti...
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The matlab Genetic Algorithm Toolbox aims to make genetic algorithms accessible to the control engineer within the framework of an existing computer-aided control system design (CACSD) package. This allows the retention of existing modeling and simulation tools for building objective functions and enables the user to make direct comparisons between genetic methods and traditional procedures.
Containers are structured m-files which allow `data' and `methods' to be stored persistently. Containers have a user-defined class structure, so that one can have several Containers of the same class, all stru...
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Containers are structured m-files which allow `data' and `methods' to be stored persistently. Containers have a user-defined class structure, so that one can have several Containers of the same class, all structurally similar, and there is a mechanism for interaction with Containers in the style of database transactions. The use of matlab Containers to analyze multivariable Smith predictors is discussed.
Three software packages which can be used in matlab for solving various control problems are described. The control Kit, Model Reduction Kit and the Nonlinear Kit allow a large variety of problems to be tackled by the...
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Three software packages which can be used in matlab for solving various control problems are described. The control Kit, Model Reduction Kit and the Nonlinear Kit allow a large variety of problems to be tackled by the user after data has been entered in the dialogue boxes provided. The menu features of Windows and the graphical user interface allow the user to change the structure of the system being studied, as well as the analysis approach and range of parameters being used.
The matlab and SIMULINK packages were applied to the design and analysis of a discrete-time lateral autopilot for a general tactical missile. The performance of the final design was assessed by examining the closed lo...
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The matlab and SIMULINK packages were applied to the design and analysis of a discrete-time lateral autopilot for a general tactical missile. The performance of the final design was assessed by examining the closed loop step response. Open loop margin and phase margin were used as indicators of robustness. The design achieved a settling time of at most 0.3 s with no more than 20% overshoot.
An integrated package has been developed for the simulation and physical testing of discrete control systems running under PC-matlab for DOS. The system is simple and has very modest hardware and software requirements...
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An integrated package has been developed for the simulation and physical testing of discrete control systems running under PC-matlab for DOS. The system is simple and has very modest hardware and software requirements. controllers can be designed and tested using the simulator and then immediately implemented with no editing required to interface them with the physical plant. Only the controller function needs to be written as a new code since all data acquisition and file storage is automatically accomplished.
This paper describes `Power Plant Analyzer', an analytical toolbox for power plant dynamic and steady-state performance analysis, and for control system design and test, which has been developed by the Queen's...
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This paper describes `Power Plant Analyzer', an analytical toolbox for power plant dynamic and steady-state performance analysis, and for control system design and test, which has been developed by the Queen's University Engineering Design Centre. `Power Plant Analyzer' simulates, in an easy-to-use way, fossil power plant systems, such as drum-type, once-through, gas turbine, and combined cycle plants. It provides power engineers and educators with a tool for a deep understanding of the complex and interrelated thermodynamic processes and operating characteristics with manual and automatic control loops. It can also be used for conceptual training of power plant operators, and as an experimental bed for testing control strategies.
The MODCONS Toolbox provides flexible and robust tools for multi-objective control system design within matlab, particularly for the mixed optimization approach. It contains automatic function generators which allow t...
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The MODCONS Toolbox provides flexible and robust tools for multi-objective control system design within matlab, particularly for the mixed optimization approach. It contains automatic function generators which allow the user to specify the design inequalities in a user-friendly manner, the specifications are then automatically generated into matlab code for use with the numerical search procedures. An interactive graphical interface is used for solving the method of inequalities (MOI), which aids the designer in making informed decisions during the design process. A number of utility routines can be used to calculate traditional control problem objective indices such as rise-time, settling time, phase margin and bandwidth.
A nonlinear observer has been designed for an induction motor using a parametric eigenstructure assignment design procedure. With a fixed gain observer, the error dynamics are a function of speed and for some operatin...
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A nonlinear observer has been designed for an induction motor using a parametric eigenstructure assignment design procedure. With a fixed gain observer, the error dynamics are a function of speed and for some operating points the error can diverge. The nonlinear observer has a gain matrix which is a function of speed which keeps the eigenvalues of the error response dynamics in fixed locations. The design, although simple in concept, would not have been possible without using the matlab Symbolic Math Toolbox. Simulink was used to set up and test the observer within the complete traction model.
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