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Topic: Systems control

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	Control Systems
		Control systems are intimately related to the concept of automation (q.v.), but the two fundamental types of control systems, feedforward and feedback, have classic ancestry.
		The stability of a control system is determined to a large extent by its response to a suddenly applied signal, or transient.
		The output of the control system is then compared to the input with respect to amplitude and to phase--i.e., the degree with which the input and output signals are out of step.
	www.willamette.edu /~fthompso/MgmtCon/Control_Systems.html (2037 words)

	Document Control Software Systems / Quality Systems Software - MasterControl 21 CFR Part 11 document control, change ...
		Controlling documentation is critical to compliance for FDA and ISO-regulated manufacturers.
		They must also automate manual systems for document control, approval, signoff and change control management processes to improve efficiency.
		This document change control aspect for both Sections 302 and 404 of SOX is what MasterControl has been supplying to its users for over 10 years through its proven document control system and quality management software.
	www.mastercontrol.com (632 words)

	Systems & Control Letters - Elsevier
		Systems and Control Letters has become one of the leading journals in the field.
		The aim of the journal is to allow rapid dissemination of contributions in the area of systems and control, in the form of concise papers.
		Mathematically oriented papers having a clear relevance to systems and control as well as papers describing specific applications in engineering, economics, the physical sciences, signal processing, etc. are accepted.
	www.elsevier.com /locate/sysconle (259 words)

	BBC - GCSE Bitesize - Design \| Systems control \| Working with systems
		A system is a combination of parts or components, which work together to control a task or activity.
		Most systems need to be controlled, and this is usually done by means of a feedback loop which checks the outputs and feeds the results back into the system.
		Digital control systems use a programme or series of commands to control the system's functioning.
	www.bbc.co.uk /schools/gcsebitesize/design/systemscontrol/workingwithsystemsrev1.shtml (160 words)

	Fire Control Systems -- Fire Alarms, Fire Prevention, Fire Suppression, Fire Extinguishers
		The use of halon 1301 systems in the oil, gas and other process industries in the US has been focused in Alaska where, due to the way the facilities were designed and constructed, the removal of the halon 1301 systems from the process areas is economically impossible.
		For new process areas, involving enclosed modules with a potential methane buildup, gas detection systems and controls are being used to shutdown and blowdown processes and to turn on high rate ventilation systems rather than closing up the space and trying to inert it with an extinguishing agent.
		Several oil companies are removing their halon 1301 systems from the electronics areas and (1) replacing those systems with high sensitivity smoke detection systems or (2) replacing the halon systems with a preaction sprinkler systems if sprinklers are required by code or (3) replacing the halon 1301 systems with a halocarbon alternative, most often FM-200.
	www.periphman.com /fire/fire-control-systems.shtml (1961 words)

	IEEECSS
		An automatic control system, such as the cruise control system in an automobile, implements in the controller a decision process, also called the control law, that dictates the appropriate control actions to be taken for the speed to be maintained within acceptable tolerances.
		Control systems are decision-making systems where the decisions are based on predictions of future behavior derived via models of the systems to be controlled, and on sensor-obtained observations of the actual behavior that are fed back.
		Control is challenging since it takes strong foundations in engineering and mathematics, uses extensively computer software and hardware and requires the ability to address and solve new problems in a variety of disciplines, ranging from aeronautical to electrical and chemical engineering, to chemistry, biology and economics.
	www.ieeecss.org /about/ABOUTindex.html (1423 words)

	Control system - Wikipedia, the free encyclopedia
		The term "control system" may be applied to the essentially manual controls that allow an operator to, for example, close and open a hydraulic press, where the logic requires that it cannot be moved unless safety guards are in place.
		In the case of linear feedback systems, a control loop, including sensors, control algorithms and actuators, is arranged in such a fashion as to try to regulate a variable at a setpoint or reference value.
		Control systems that include some sensing of the results they are trying to achieve are making use of feedback and so can, to some extent, adapt to varying circumstances.
	en.wikipedia.org /wiki/Control_system (1460 words)

	Systems - Lighting Control - Electronic House Magazine
		In a lighting control system that utilizes low-voltage cabling for controlling the lights, you need to decide which fixtures should be included on the network.
		One of the most important pieces of a lighting control system is the device used to brighten and dim groups of lights.
		Depending on the system, the light switches and fixtures of your home may attach to the brains of a lighting control system via low-voltage wiring only, by electrical wiring, or by a combination of both.
	www.electronichouse.com /info/systems/lighting.html (1562 words)

	Dynamic Systems and Control Group, UCSD (Site not responding. Last check: )
		As such, the area of research of the Dynamic Systems and Control Group is a joint activity in the topics of systems integration, dynamic system modeling, feedback control design and the fundamentals of systems theory as applied to linear and nonlinear dynamic systems, mechatronics, structural control, aerospace, and fluid-mechanical systems.
		Thomas Bewley is involved in the control, forecasting, and optimization of laminar and turbulent flows.
		The logo of the Dynamic Systems and Control group at UCSD was conceived as follows: the control, indicated by the large red C, takes measurements from a dynamic system, S, and applies feedback back to that system, thereby modifying the system behavior (and thus the C overlaps onto the S).
	control.ucsd.edu /index.html (1328 words)

	Control Systems
		STARS is a launch data-processing and monitoring system developed by Aerospace and is now a critical mission-assurance tool used to certify the readiness of every national-security space launch.
		The center is also responsible for satellite control and system operation.
		Geographically dispersed mobile and fixed control stations provide survivable and enduring operational command and control for the Milstar constellation.
	www.aero.org /programs/control.html (537 words)

	Aircraft flight control systems - Wikipedia, the free encyclopedia
		The servo valves control the movement of the actuators.
		A digital fly-by-wire flight control system is similar to its analog counterpart.
		Sidesticks or conventional control yokes can be used to fly such an aircraft.
	en.wikipedia.org /wiki/Aircraft_flight_control_systems (2073 words)

	US-CERT: Control Systems
		To reduce control system risks within and across all critical infrastructure sectors, the National Cyber Security Division of the Department of Homeland Security established the Control Systems Security Program to coordinate efforts among federal, state, local, and tribal governments, as well as control systems owners, operators and vendors.
		The Control Systems Security Program coordinates activities to reduce the likelihood of success and severity of impact of a cyber attack against critical infrastructure control systems through risk-mitigation activities.
		This material can be applied to a broad range of infrastructures, their technology systems, and kinds of threats to which they may be exposed, but this material draws primarily on the role of control systems in energy, cyber, and other infrastructures.
	www.us-cert.gov /control_systems (456 words)

	Systems, Control and Robotics (Site not responding. Last check: )
		The idea of the Systems, Control and Robotics Programme is to use robotic applications as technical platforms and a common thread for project based learning.
		Results from different fields such as control, signal processing, vision and computer science are applied and integrated in for example robotic projects, and the aim is a systems engineering education perspective.
		The selection process for Systems, Control and Robotics is based on a total evaluation of the following selection criteria: university, GPA, course work related to the programme, thesis proposal, motivation letter, working experiences and references.
	www.kth.se /eng/education/programmes/master_english/systems_control_robotics.html?utskrift (662 words)

	Municipal Control Systems (Site not responding. Last check: )
		Control Systems can help you with a complete complex integration, or provide a single tranducer.
		To take advantage of their full potential, they require control and telemetry systems as robust, agile and adaptable as they are.
		Whether planning for a new system or upgrading to a more powerful, flexible monitoring and control system, the IntraLink LC3000 Controller is specifically designed for municipal and industrial water treatment and distribution, wastewater collection, re-use and treatment, water reclamation and rural water supply systems.
	www.usfilter.com /en/Municipal/Control_Systems (232 words)

	CONTROL and DYNAMICAL SYSTEMS - California Institute of Technology
		This program provides rigorous training in mathematics, dynamics, and control, coupled with intensive study of application areas in science and engineering.
		The CDS minor is intended to supplement one of Caltech's normal undergraduate degrees and is designed for students who wish to broaden their knowledge beyond their normal major or who may wish to pursue a graduate program involving control or dynamical systems.
		But Doyle, a professor of control and dynamic systems, electrical engineering, and bioengineering at Caltech, also believes the Internet can be saved.
	www.cds.caltech.edu (237 words)

	Information Systems Control Journal Author Guidelines
		We invite you to submit articles on any topics that are part of the Journal's editorial calendar as well as on additional topics of interest to the industry..
		The Information Systems Control Journal's more than 50,000 readers are practitioners, managers and senior executives in more than 140 countries around the world.
		Manuscripts for publication in the Information Systems Control Journal are edited for grammar and according to The New York Times Manual of Style and Usage and the Merriam Webster’s Collegiate Dictionary (www.webster.com).
	www.isaca.org /Content/ContentGroups/Journal1/Author_Guidelines/Information_Systems_Control_Journal_Author_Guidelines.htm (1433 words)

	Signals, Systems, and Control Demonstrations
		A combination of Java Script, RealAudio, technical presentation on the screen, and Java applets that is used at Johns Hopkins to complement classroom lectures on the discrete-time case.
		OUT OF ORDER System Properties The user applies input signals to a selected, unknown system - either continuous time or discrete time - to determine whether the system is linear, time invariant, causal, stable, and memoryless.
		Then drag open-loop system poles and zeros with the mouse to track the reference while rejecting the disturbance and noise.
	www.jhu.edu /~signals (1298 words)

	Automatic Control Systems - Access Control Equipment and Perimeter Security Management
		Harry is a mechanical engineer and was previously Vice-President of a solely owned Amano distributor in Atlanta, GA. He brings to Automatic Systems a wealth of knowledge and experience in the access control industry.
		With over 35 years of experience, and thorough knowledge of the access control industry, Automatic Systems has manufactured over 60,000 rising barriers sold in more than 15 countries.
		Automatic Systems’ barrier gates are designed to restrict vehicular access into critical areas or locations that might be susceptible to un-authorized access.
	www.automaticsystems.net /news.asp (471 words)

	BBC - GCSE Bitesize - Design \| Systems control \| Production techniques
		Three of the most important ways companies can achieve this are by using standard components, modular systems, and different production methods.
		systems which control the behaviour of other systems.
		Programmable Interface Controller - a device which can be programmed via a computer to control complex circuits.
	www.bbc.co.uk /schools/gcsebitesize/design/systemscontrol/productiontechniquerev1.shtml (133 words)

	Control Systems
		Series 5000 Single Lever Control System - The Series 5000 control system is an easy to install, multiple point control system.
		Sportfishing Control Systems - Panish Controls are the first choice of serious sportfishing captains for many reasons.
		Ferries - Some of the most severe duty service a control system can be asked to perform, however, it's not unusual to find our systems still in use after 35 years!
	www.panishcontrols.com /ControlSystems.htm (296 words)

	ASME : Dynamic Systems & Control Division - About DSCD
		The Dynamic Systems and Control Division (DSCD) is one of 34 technical divisions in the American Society of Mechanical Engineers (ASME).
		The mission of the Division is to provide a national and international forum to: evaluate, discuss, analyze, and publish new technical results in the field; stimulate and encourage research and education innovations; enhance manpower in research and engineering education in dynamic systems and control; and lead in setting directions for the field in the future.
		The Division has actively developed and broadened its scope since its organization in 1943 from instruments and regulators, to automatic control, to coverage of all aspects of the modeling, design, and control of physical systems that involve forces, motions, and/or the flow of energy or material.
	divisions.asme.org /dscd (267 words)

	93: Systems theory; control
		Since systems of interest in applications are subject to noise and imprecision, this area includes the study of stochastic systems as well; control is usually achieved using filters (e.g.
		Clearly systems analysis and control requires tools from differential equations and functional analysis, statistics, and (in the case of Optimal Control -- section 49) differential geometry.
		Norbert Weiner coined the phrase "cybernetics" to mean, roughly, the mathematical study of the processes by which complex systems control their development using information-sharing between parts of the system.
	www.math.niu.edu /~rusin/known-math/index/93-XX.html (410 words)

	Food control systems (Site not responding. Last check: )
		FAO and WHO have prepared an updated Guidelines for Strengthening National Food Control Systems to enable national authorities, particularly in developing countries, to improve their food control systems.
		The guidelines seek to provide advice to national authorities on strategies to strengthen food control systems to protect public health, prevent fraud and deception, avoid food adulteration and facilitate trade.
		They will enable authorities to choose the most suitable options for their food control systems in terms of legislation, infrastructure and enforcement mechanisms.
	www.fao.org /ag/agn/food/control_FCS_en.stm (248 words)

	Communities - Technical Communities - Divisions & Groups
		Focuses on the design of systems and machines for heating, cooling or treating industrial fluids and gases, including the efficient management and control of the processes themselves.
		The Systems and Design Groups provide a process to foster interdivisional synergy, provide ASME membership with an integrated view of the involved technical disciplines and their relevance.
		Concentrates on control methods and devices, from servomechanisms and regulators to automatic controls, for dynamic systems involving forces, motion and/or the flow of energy or material.
	www.asme.org /divisions/dscd (1011 words)

	Control Systems: Control Systems
		Microprocessors, graphic operator interface devices and other electronic wonders have given us the ability to control and analyze mechanical operations and delicate processes with an ease and precision that was unthinkable just a few years ago.
		PLC controlled touch screen control systems are designed specifically for your processing and packaging line, providing user-friendly operation and complete equipment control and data management at your fingertips.
		Our Programmable Logic Control systems give you control of multiple machines and process functions, pre-programmed product menus, and complete data management at the touch of a single display screen.
	www.heatandcontrol.com /eqmain.asp?eqid=54 (219 words)

	Home > Automation Control Systems > Control Systems
		Control your home from your TV screen with HomeVision, including changing the temperature, arming the security system or viewing the status of each zone, controlling lights and more.
		This easy-to-use yet powerful software gives you full automated or conditional control of all your lights and appliances, without having to be a rocket scientist.
		The HAL2000 is a system that uses the latest in state-of-the-art speaker independent continuous voice recognition technology.
	www.smarthome.com /prodindex.asp?catid=1232 (633 words)

	NEMA - Siemens to Supply Power Systems Control Equipment to Libya
		Switching operations will be performed from a main control room, enabling better reaction to system disturbances and decreasing the risk of flouts.
		The power system control equipment is based on Sinaut Spectrum, one of the latest software developments produced by Siemens PTD.
		The control centers are scheduled for commissioning in early 2008.
	www.nema.org /media/ind/20041020a.cfm (263 words)

	Revere Control Systems Links Page
		Pete Duty and Associates--selling and servicing pumping and treatment systems for water and wastewater applications in North and South Carolina.
		Kim Controls Systems Group--based in Minneapolis, MN, they focus on food and beverage and automated conveying applications.
		Total Systems Design--specializing in food, biotechnology, and chemical/petrochemical applications, their headquarters is in West Chester, PA.
	www.reverecontrol.com /links.asp (501 words)

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