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This part of International Standard 62271 provides methods for the measurement of sound pressure level produced by outdoor alternating current circuit-breakers in a free-field environment. These methods may also be used indoors or in restricted field, provided that precautions are observed in the measurement and interpretation of the results.

Electric switchgear. --- Electric controllers --- High voltages. --- Sound pressure. --- Electric circuit-breakers. --- Electric circuits --- Standards. --- Alternating current.

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Saturated Switching Systems treats the problem of actuator saturation, inherent in all dynamical systems by using two approaches: positive invariance in which the controller is designed to work within a region of non-saturating linear behaviour; and saturation technique which allows saturation but guarantees asymptotic stability. The results obtained are extended from the linear systems in which they were first developed to switching systems with uncertainties, 2D switching systems, switching systems with Markovian jumping and switching systems of the Takagi-Sugeno type. The text represents a thoroughly referenced distillation of results obtained in this field during the last decade. The selected tool for analysis and design of stabilizing controllers is based on multiple Lyapunov functions and linear matrix inequalities. All the results are illustrated with numerical examples and figures many of them being modelled using MATLAB®. Saturated Switching Systems will be of interest to academic researchers in control systems and to professionals working in any of the many fields where systems are affected by saturation including: chemical and pharmaceutical batch processing, manufacturing (for example in steel rolling), air-traffic control, and the automotive and aerospace industries.

Mechanical Engineering --- Engineering & Applied Sciences --- Mechanical Engineering - General --- Switching theory. --- Electronic circuits. --- Electron-tube circuits --- Engineering. --- Chemical engineering. --- System theory. --- Automotive engineering. --- Aerospace engineering. --- Astronautics. --- Control engineering. --- Manufacturing industries. --- Machines. --- Tools. --- Control. --- Systems Theory, Control. --- Industrial Chemistry/Chemical Engineering. --- Automotive Engineering. --- Manufacturing, Machines, Tools. --- Aerospace Technology and Astronautics. --- Electric circuits --- Electron tubes --- Electronics --- Automatic control --- Digital electronics --- Electric networks --- Electric switchgear --- Information theory --- Logic, Symbolic and mathematical --- Machine theory --- Mathematical physics --- System analysis --- Telecommunication --- Systems theory. --- Manufactures. --- Control and Systems Theory. --- Manufacturing, Machines, Tools, Processes. --- Space sciences --- Aeronautics --- Astrodynamics --- Space flight --- Space vehicles --- Manufactured goods --- Manufactured products --- Products --- Products, Manufactured --- Commercial products --- Manufacturing industries --- Construction --- Industrial arts --- Technology --- Chemistry, Industrial --- Engineering, Chemical --- Industrial chemistry --- Engineering --- Chemistry, Technical --- Metallurgy --- Control engineering --- Control equipment --- Control theory --- Engineering instruments --- Automation --- Programmable controllers --- Aeronautical engineering --- Astronautics --- Systems, Theory of --- Systems science --- Science --- Philosophy