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Encyclopedia results for State space (controls)

State space (controls)





Encyclopedia results for State space (controls)

  1. State space (controls)

    No footnotes date May 2009 In control engineering , a state space representation is a mathematical model ... can be done when the dynamical system is linear and time invariant . The state space representation ... about a system. Unlike the frequency domain approach, the use of the state space representation is not limited to systems with linear components and zero initial conditions. State space refers to the space ... that space. State variables Image Typical State Space model.png framed Block diagram representation of the state space equations The internal state variable s are the smallest possible subset of system ... a state space realization to a transfer function form may lose some internal information about the system, and may provide a description of a system which is stable, when the state space realization ... s. Linear systems The most general state space representation of a linear system with math ... both continuous and discrete parts. Depending on the assumptions taken, the state space model representation can assume the following forms cellpadding 4 valign top System type State space model ... be studied from the eigenvalue s of the matrix A . The stability of a time invariant state space model ... time invariant linear state space model is controllable iff if and only if math operatorname rank ... of the system . A continuous time invariant linear state space model is observable if and only ... function of a continuous time invariant linear state space model can be derived in the following ... for each output. This is why the state space representation can easily be the preferred choice ... given transfer function which is strictly proper can easily be transferred into state space by the following ... d 3 s d 4 math . The coefficients can now be inserted directly into the state space model by the following ... bmatrix n 1 & n 2 & n 3 & n 4 end bmatrix textbf x t math . This state space realization is called ... bmatrix textbf x t math . This state space realization is called observable canonical form because ...   more details



  1. State (controls)

    Unreferenced stub auto yes date December 2009 Merge State space controls date July 2008 In control theory , states are what characterize a system . In other words, state is the essence of the past that affects the future. With linear system s states are not unique, but can be transformed into equivalent states using certain linear transformations . See also State space controls DEFAULTSORT State Controls Category Control theory Tech stub bg ca Estat f sic cs Stav t lesa es Estado f sico eo Stato fr Espace d tat ja no Tilstand fysikk ...   more details



  1. State space (dynamical system)

    In the theory of discrete dynamical system s, a state space is a directed graph mathematics graph where each possible state of a dynamical system is represented by a vertex, and there is a directed edge from a to b if and only if &fnof a     b where the function f defines the dynamical system. State spaces are useful in computer science as a simple model of machines. Formally, a state space can be defined as a tuple N ,  A ,  S ,  G where N is a Set mathematics set of states A is a set of arcs connecting the states S is a nonempty subset of N that contains start states G is a nonempty subset of N that contains the goal states. A state space has some common properties complexity, where branching factor is important structure of the space, see also graph theory directionality of arcs tree rooted graph In a computer program , when the effective state space is small compared to all reachable state computer science states , this is referred to as clumping . Software such as LURCH analyzes such situations. State space search explores a state space. See also State space controls for information about continuous state space in control engineering. State space physics for information about continuous state space in physics. Phase space for information about phase state like continuous state space in physics and mathematics. Probability space for information about state space in probability. Game complexity theory, which relies on the state space of game outcomes References http www.mathematik.uni muenchen.de pareigis Papers Fds.pdf Equivalence Relations on Finite Dynamical Systems , Laubenbacher, R. Pareigis, B., ADVANCES IN APPLIED MATHEMATICS, 2001, VOL 26 PART 3, pages 237&ndash 251 http books.google.com books?id bifeGGCDlWcC State space search algorithms, complexity ... State Space Category Models of computation Category Dynamical systems ar cs Stavov prostor de Zustandsraum Informatik id State space zh ...   more details



  1. State space (physics)

    Context date October 2009 In physics , a state space is a complex number complex Hilbert space within which the possible instantaneous states of the system may be described by a unit vector . These quantum state state vectors , using Paul Dirac Dirac s bra ket notation , can often be treated as coordinate vector vector s and operated on using the rules of linear algebra . This Mathematical formulation of quantum mechanics formalism of quantum mechanics is extremely powerful, in that it can replace calculation of complicated integrals with a few basic linear algebra vector operations . See also State space controls for information about state space in control engineering. Phase space for information about phase state in physics and mathematics. State space for information about discrete state space in computer science. References cite book author Claude Cohen Tannoudji title Quantum Mechanics publisher John Wiley & Sons. Inc. year 1977 id ISBN 0 471 16433 X pbk. cite book author David J. Griffiths title Introduction to Quantum Mechanics publisher Prentice Hall year 1995 id ISBN 0 13 124405 1 Category Hilbert space ...   more details



  1. State space search

    State space search is a process used in the field of artificial intelligence AI in which successive Configuration graph configurations or states of an instance are considered, with the goal of finding a goal state with a desired property. In AI, problems are often modelled as a state space , a set mathematics set of states that a problem can be in. The set of states forms a graph mathematics graph where two states are connected if there is an operation that can be performed to transform the first state into the second. State space search as used in AI differs from traditional computer science Search algorithm search methods because the state space is implicit the typical state space graph is much too large to generate and store in Computer storage memory . Instead, nodes are generated as they are explored, and typically discarded thereafter. A solution to a combinatorial search instance may consist of the goal state itself, or of a path from some initial state to the goal state. The structure of state space search corresponds to the structure of the problem being solved in two different ways. They are, By making use of some legal operations, it enables to define a problem in order to convert the given situation into desired solution. It enables to define the procedure of solving a problem. Usually, this procedure is a combination of known techniques and search. Advantages It is useful in finding the solutions to hard problems. It is widely used in artificial intelligence. See also State space References Stuart J. Russell and Peter Norvig 2003 . Artificial Intelligence A Modern Approach . Prentice Hall. compu AI stub Category Search algorithms cs Prohled v n stavov ho prostoru ...   more details



  1. State Space Agency of Ukraine

    Infobox Space agency name State Space Agency of Ukraine native name smaller ... ref URL http www.nkau.gov.ua The State Space Agency of Ukraine SSAU lang uk ... installations, research, and industrial companies mostly state owned . Several space related ... State Enterprise Center of rocket space technology standardization State Enterprise Nikopol, Ukraine ... accounted for 12.1 of all launches into space in the world. Ukrainian companies Yangel Yuzhnoye State ... Ukraine topics state collapsed DEFAULTSORT National Space Agency Of Ukraine Category Space agencies Ukraine Category Ukrainian space program de State Space Agency of Ukraine fa ... Space Agency of Ukraine , National Space Agency of Ukraine Official web site March 18, 2010 ref ref http www.nkau.gov.ua nsau nkau.nsf dirE OpenView Direction of NSAU , National Space Agency of Ukraine ... Ukrainian government agency responsible for space policy and programs. File 70 2500 ... Space Agency of Ukraine, NSAU ref name u2010 http www.president.gov.ua documents 12584.html ... system immediately participating in all stages and details of space programs like NASA in the United States . A special space force in the military of Ukraine is also absent. The agency oversees ... Aviation and Space Agency , the European Space Agency , NASA , and commercial ventures. International ... space power country able to launch own satellite by own launcher in 31 August 1995 at start of Sich 1 on Tsyklon . Citation needed date March 2009 As of April 2009 the Ukrainian National Space ... the end of 2010. ref http www.ukranews.com eng article 191739.html National Space Agency Planning ..., 2009 ref Main tasks Development of state policy concepts in the sphere of research and peaceful uses of space, as well as in the interests of national security Organization and development of space activities in Ukraine and under its jurisdiction abroad Contributing to state national security and defense ...   more details



  1. State space enumeration

    In computer science , state space enumeration are methods that consider each reachable program state to determine whether a program satisfies a given property ref A Compact Petri Net Representation for Concurrent Programs , Matthew B. Dwyer, Lori A. Clarke, Kari A. Niesy, Department of Computer Science, University of Massachusetts, Amherst Amherst, MA 01003 ref . As programs increase in size and complexity, the state space grows exponentially. The state space used by these methods can be reduced by maintaining only the parts of the state space that are relevant to the analysis. However, the use of state and memory reduction techniques makes runtime a major limiting factor ref Proceedings of the conference on Application and theory of petri nets formal methods in software engineering and defence systems Volume 12 , ACM International Conference Proceeding Series, Vol. 145, by Marko M kel , Laboratory for Theoretical Computer Science, Helsinki University of Technology, Espoo, Finland ref . See also Formal methods Model checking References reflist Category Formal methods Category Logic in computer science Category Programming language implementation ...   more details



  1. State/space theory

    State Space theory constitutes a new branch of social geography social and political geography in which the issues of space as a geographic element are considered for their influence on political relationships and outcomes. Leading scholars include Neil Brenner at New York University, and Bob Jessop at Lancaster University in England. Other relevant scholars include the following Henri Lefebvre , Charles Tilly , Saskia Sassen , and Edward W. Soja . Publications Neil Brenner, New State Spaces, Urban Governance, and the Rescaling of Statehood , Oxford Oxford University Press, 2004, ISBN 0 19 927006 6. Category Human geography geo term stub ...   more details



  1. State space planning

    Definition The simplest classical planning see Automated planning algorithms are state space search algorithms. These are search algorithms in which the search space is a subset of the state space Each node corresponds to a state of the world, each arc corresponds to a state transition, and the current plan corresponds to the current path in the search space. Forward Search Forward Search and Backward Search Backward Search are two of main samples of state space planning . Forward Search Forward search is an algorithm that searches forward from the initial state of the world to try to find a state that satisfies the goal formula. Forward search O, s sub 0 sub , g s S sub 0 sub P the empty plan loop if s satisfies g then return P applicable a a is a ground instance of an operator in O,and precond a is true in s if applicable then return failure nondeterministically choose an action a from applicable s s,a P P.a Backward Search Backward search O, s sub 0 sub , g P the empty plan loop if s sub 0 sub satisfies g then return P relevant a a is a ground instance of an operator in O that is relevant for g if relevant then return failure nondeterministically choose an action a from applicable P a.P s sup 1 sup s,a References Citation last1 Ghallab first Malik last2 Nau first2 Dana S. last3 Traverso first3 Paolo title Automated Planning Theory and Practice publisher Morgan Kaufmann year 2004 url http www.laas.fr planning isbn 1 55860 856 7 Category Automated planning and scheduling Category Robotics ...   more details



  1. Johnson Controls

    Advert date July 2009 Infobox company company name Johnson Controls, Inc. company logo Image Johnson Controls.svg Johnson Controls, Inc. logo company type Public company Public nyse JCI company slogan ... www.johnsoncontrols.com johnsoncontrols.com Johnson Controls, Inc. nyse JCI is a company, based in Milwaukee ... employees in 1,300 locations across six continents. Business Units Johnson Controls operates three ..., Warren S. Johnson, a professor at the University of Wisconsin Whitewater State Normal School in Whitewater ... Controls in 1974. Between 1885 and 1911, Professor Johnson delved into many other areas, including ... to focus solely on its temperature control business for nonresidential buildings. Johnson Controls ... of building operations staff, Johnson Controls introduced its Pneumatic Control Center, for the first ... in a facility from a single, central site. The company that helped found the controls industry ... dedicated to building control the JC80. In the 1980s, Johnson Controls adopted digital control technology ... and functions, and to ensure maximum building efficiency and reliability. Johnson Controls now provides full time, on site IFM staff for more than convert 600000000 sqft m2 of building space around ... . In 1978, Johnson Controls acquired Globe Union, a Wisconsin based manufacturer of car battery automotive batteries for both the replacement and original equipment markets. Today, Johnson Controls ... America, and is spreading its leadership to Asia and South America. Johnson Controls manufactures ... applications. Johnson Controls entered the car seat automotive seating and plastics machinery industries ... plants on five continents. In 1982, Johnson Controls enacted a fetal protection policy. This policy ... Auto Workers sued Johnson Controls on behalf of three employees. These employees were Mary Craig ..., 111 S.Ct. 1196 ref Over the last decade, Johnson Controls has also developed comprehensive research ... requests, Johnson Controls expanded its presence within cars and light trucks in the early 1990s ...   more details



  1. Aero Controls

    Infobox Company company name Aero Controls, Inc. company type Private company logo File Aero Controls Logo.png Aero Controls Inc. Corporate Logo foundation 1984 location Seattle , United States key people John Titus, Kusumam Titus num employees 250 2008 revenue 50.0 Million 2008 United States dollar USD net income industry Aerospace engineering services slogan homepage http www.aerocontrols.com www.aerocontrols.com Aero Controls, Inc. is an aerospace engineering company founded in October 1984 by John Titus, the CEO and President of the Company, headquartered in Seattle , Washington. ref http www.aerosystems.com about history.html Aero Controls History ref History It is a minority owned, FAA certified repair station. ref https www.directorypub.com SRCH compdetail.php?aid 0095503&pub id 6000029 Aviation Directory ref The company overhauls, repairs, sells, exchanges and modifies components of aircraft . ref http www.aviationweek.com aw search indv wad info.jsp?queryType advancedSubCat&orgName Aero 20Controls, 20Inc.&orgid 27173&sflag N&arct 0&wdct 37&wect 0 World Aerospace Database Listing Profile ref It opened a satellite location in Shelton, Washington Shelton , Washington U.S. state Washington in 1993. ref http www.alacrastore.com company snapshot Aero Controls Inc 2631507 Company Profile ref In 1995 Aero Controls was presented with the Federal Express Minority Supplier of the Year Award. In 1996 the Company acquired Aero Systems Aviation Corp. in Miami . In 2006 Aero Controls Avionics was merged with Aero Controls, Inc. In 2007 the company acquired Ft. Lauderdale based Patriot Aviation Services, LLC. ref http www.aerocontrols.com about history.html Aero Controls History ... Community service Aero Controls Inc participates in community services such as, food drive assisting ... the American Cancer Society Backpack Program Provides school supplies for needy children Aero Controls ... ref References Reflist External links http www.aerosystems.com Aero Controls Category Companies ...   more details



  1. Price controls

    their own control policies. California controls the prices of electricity within the state, which economist Thomas Sowell blames for the occasional electricity shortages the state experiences. ref ...Price controls are governmental impositions on the prices charged for goods and services in a market ... floor , the minimum price that can be charged. Historically, price controls have often been imposed as part of a larger incomes policy package also employing wage controls and other regulatory ... Price Controls work Concise Encyclopedia of Economics date url http www.econlib.org library Enc .... Price Controls Are Back . Making Economic Sense. http freedomkeys.com pricecontrols5.htm. Retrieved 2008 11 03. ref Price controls have also been used in modern times for such things as Rent control ... been resorted to often, economists usually agree that price controls don t accomplish what they are intended ... Shortages Price Controls work Capitalism Magazine date 2001 01 11 url http www.capmag.com article.asp?ID 86 accessdate 2008 11 03 ref Sowell said of California s controls in 2001 Since the utility ..., many energy providers left the state because they could make a greater profit in other ... lifting the caps to avoid rolling blackouts six months previously. ref name sfgate The state of Hawaii ... in that state in 2005. Because it was widely seen as too soft and ineffective, it was repealed shortly thereafter. Criticisms The primary criticism leveled against price controls is that by keeping ... controls are removed, prices will immediately increase, which can temporarily shock the economic system. ref name Wessels A classic example of how price controls cause shortages was during the 1973 ... the market clearing price. Scarcity resulted in either case. Price controls fail to achieve their proximate aim, which is to reduce prices paid by retail consumers, but such controls do manage to reduce ... Beyond Stage One 2008 , pages 7 9, 112 113, ISBN 0465003451 ref When price controls on gasoline were ...   more details



  1. Novar Controls

    Infobox Company company name Novar Novar Controls company logo Image novar.gif Novar logo company type Subsidiary foundation company slogan Global experience locally delivered location Cleveland, Ohio num employees 116,000 industry Building automation , HVAC , Intelligent building , Chain stores products Energy Management System , energy services , Building Management System , Thermostats , Programmable thermostat homepage http www.novar.com www.novar.com Novar also Novar Controls is a United States company based in Cleveland, Ohio . Novar is a manufacturer of building automation systems for HVAC equipment. Novar enjoys a very strong market share in the box retail market as a low cost controller with minimum functionality. Novar s new OPUS line of controllers, launched in January of 2010, highlights Novar s movement into refrigeration control, a space they have typically avoided due to its complex and high risk nature. They also offer monitoring services to notify customers of comfort and HVAC issues. Novar Controls became part of Honeywell International in 2005 when its parent company Novar plc was acquired. In North America, Novar is divided into two groups. The first is Novar, whose entire focus is on multi site organizations, customers include Staples , Gordmans , Toys R Us and others. Wal Mart s patronage comprises such a large amount of Novar s business that a separate office for just Wal Mart support is located at Wal Mart s headquarters in Bentonville, AR. Then there are the independent Novar Technology Centers. This group is now transitioning to the Trend name, which has historically been strong in the UK and elsewhere in Europe. External links http ntc.novarcontrols.com Novar Technology Centers web site http www.novar.com Novar web site http www.trendcontrols.com Trend UK web site http www.honeywell.com Honeywell web site http www.alerton.com Alerton web site http www.kmb.cz KMB systems Category Companies based in Cleveland, Ohio Category Electronics companies ...   more details



  1. Vantage Controls

    File Touchpoint 1210.jpg thumb Example of Vantage Controls touch screen panel. orphan date June 2010 Infobox Company company name Vantage Controls company type Private company Private company slogan Living Perfection foundation 1986 location Orem, Utah key people John Selldorff , President and CEO, Legrand North America num employees 100 industry Automation and lighting control products Automation and lighting control address 1061 South 800 East, Orem, Utah 84097 telephone 801 229 2800 homepage http www.vantagecontrols.com www.vantagecontrols.com Vantage Controls manufactures lighting and automation control systems for residential and commercial spaces. The company is headquartered in Orem, Utah ref name investing.businessweek.com http investing.businessweek.com research stocks private snapshot.asp?privcapId 28977254 , Business Week ref and has won several industry awards ref http www.cepro.com article cedia names 2009 electronic lifestyles awards , CEDIA News 2009, Electronic LifeStyles Awards 2009 ref ref http www.cedia.net awards industry recognition07.php , CEDIA News 2007, Manufacturer s Excellence Awards ref . Through its international dealer network, it sells and custom installs its products. It offers wired and wireless solutions. Vantage competes with Crestron Electronics , Lutron Electronics Company , AMX LLC and other companies for customers building new homes and retrofitting ... , CEPro ref . Vantage Controls still retains its company name and branding. Products Automation ... ref http www.vantagecontrols.com product compatibility.php , Vantage Controls Products ref ... condense the on off functionality of each of these into a single button, saving space. Since these systems ... of Vantage Controls Innoventions Disneyland Automation exhibit at Disneyland Consumer Electronics ... Controls http www.vantageemea.com Vantage EMEA http legrandna.com Legrand North America http www.onqlegrand.com ... ru Vantage Controls ...   more details



  1. SAE controls

    Orphan date February 2009 refimprove date December 2007 SAE controls are a standard that specifies how a human operator controls the digging components i.e. swing, boom, dipper, bucket of a piece of heavy machinery, such as a backhoe or excavator . SAE controls are one of the two most common control patterns in the United States. The other most commonly used control pattern is ISO controls, which differs from the SAE control pattern only in that ISO controls exchange the hands that control the boom and the dipper. Controls In the SAE control pattern, the left hand controls swing left right and dipper in out , and the right hand controls the boom up down and bucket curl uncurl . Left hand left swing left. Left hand right swing right. Left hand forward dipper out away from operator. Left hand back dipper in toward operator. Right hand left bucket curl. Right hand right bucket uncurl. Right hand forward boom down. Right hand boom up. See also Society of Automotive Engineers External links http www.sae.org technical standards J1814 200303 J1814 Standard http www.digbits.co.uk technical.htm Category Engineering vehicles Category Standards ...   more details



  1. Flight controls

    Flight controls may refer to Flight control surfaces , the movable surfaces that control the flight of an airplane Aircraft flight control system , flight control surfaces, the respective cockpit controls, and the systems linking the two Helicopter flight controls , similar systems for a helicopter Triangle control frame , the A frame like handle used to control hang gliders Kite control systems Flight Control video game , an iPhone game disambiguation Long comment to avoid being listed on short pages ...   more details



  1. Navigation controls

    Unreferenced stub auto yes date December 2009 Orphan date December 2009 In human computer interaction , navigation controls are an arrangement of word icon forms within the user interface of a specific system. This system can be a computer based Application software application , an application on a wireless device like a cell phone , a GPS appliance in your car or your backpack , or any manner of system that requires human computer interaction with a stored program. The quality of the user interface is critically dependent on navigation controls that make sense and allow the operator to smoothly negotiate the application in question. DEFAULTSORT Navigation Controls Category User interface techniques Compu stub ...   more details



  1. Security controls

    Security controls are safeguards or countermeasure computer countermeasure s to avoid, counteract or minimize security risk security risks . To help review or design security controls, they can be classified by several criteria, for example according to the time that they act, relative to a security incident Before the event, preventive controls are intended to prevent an incident from occurring e.g. by locking out unauthorized intruders During the event, detective controls are intended to identify and characterize an incident in progress e.g. by sounding the intruder alarm and alerting the security guards or police After the event, corrective controls are intended to limit the extent of any ... as possible. Some security professionals would add further categories such as deterrent controls .... Security controls can also be categorized according to their nature, for example Physical controls e.g. fences, doors, locks and fire extinguishers Procedural controls e.g. incident response processes, management oversight, security awareness and training Technical controls e.g. user authentication login and logical access controls, antivirus software, firewalls Legal and regulatory or compliance controls e.g. privacy laws, policies and clauses. A similar categorization distinguishes control involving people, technology and operations processes. Information security controls protect ..., design, implement, operate and maintain their security controls, usually by assessing the risks and implementing ... may also opt to demonstrate the adequacy of their information security controls by being ..., security controls are defined as Security service telecommunication Security services as part of OSI ... and design for managing information security controls. Some of the most well known are outlined ... Communications and operations management management of technical security controls in systems ... Assurance IA areas and the controls are referred to as IA controls. DC Security Design & Configuration ...   more details



  1. Design controls

    Design Controls designates the application of a formal Design management methodology to the conduct of new product development product development activities. It is often mandatory by regulation to implement such practice when designing and developing products within regulated industries e.g. Medical devices . Medical devices The Food and Drug Administration FDA requires that medical device manufacturers who want to market certain types of medical device in the USA follows the Design Control requirements formulated in 1996, Design Controls 21 CFR 820.30 . The Medical devices directive similarly lists several requirements regarding the design of a medical device. ISO 13485 contains section 7.3 Design and Development which specify what procedures have to be put in place by manufacturers. The objective of Design Controls, in this context, is to guarantee manufacturers follow a methodologically sound process to develop a medical device, which in turns ensures, or at least improves the probability, that the device will reach an acceptable level of efficacy and safety. References and external links 21 CFR 820.30 on the FDA website http www.accessdata.fda.gov scripts cdrh cfdocs cfCFR CFRSearch.cfm?CFRPart 820&showFR 1&subpartNode 21 8.0.1.1.12.3 DEFAULTSORT Design Controls Category Design Category Food and Drug Administration Category Medical Devices regulations ...   more details



  1. ASI Controls

    ASI Controls is a private United States company founded in 1986 in San Ramon, California . The company took its name from the core mission of providing application specific intelligent controls for the newly emerging distributed digital control market. The founders were a small team led by William F. Bill Chapman and Don Evans. History Bill Chapman was chair of the ASHRAE Technical Committee in the late 1970s and early 1980s. After seeing the potential for digital controls to improve both the comfort and energy management provided by building climate control systems, Chapman sketched out a vision for future Distributed control system solutions in a 1980 ASHRAE Journal article July, 1980 . The article highlights a system with distributed microprocessor based controllers sending and receiving data to and from a central computer, and the building engineer remotely monitoring and controlling any part of the system. While at Staefa Control Systems, Bill Chapman led the development of the Smart One digital controller for VAV applications one of the first digital VAV controllers available anywhere. Chapman left Staefa in late 1986 to start ASI Controls. ASI Controls introduced the ASIC 1 8010 VAV controller at the AHR Expo in 1987 in New York, NY. Orders for the Gateway Plaza Sydney, Australia , the Northwest Building Minneapolis, Minnesota , and the Grand Hotel Esplanade Berlin, Germany were signed on the show floor. Through the late 1980s and 1990s ASI Controls products were applied ... in London, England, and many others. ASI Controls introduced a more powerful class of controllers ..., ASI Control s leading share in the market was eventually taken over by Johnson Controls, Honeywell, Siemens, and other established and newer competitors. ASI Controls today focuses primarily .... References Microcomputers Hail New Era in Controls ASHRAE Journal , July 1980. Versatile Application ... Energy Center hosted reference site on DDC principles and Digital Controls system manufacturers ...   more details



  1. Parental controls

    Parental Controls Refimprove date May 2009 Deleted image removed Image Screenshot parental controls ... image caption 1 Wednesday, 16 January 2008 Parental controls are features which may be included ... software . Parental controls fall into roughly four categories, content filters , which limit access to age appropriate content, usage controls , which constrain the usage of these devices such as placing ... controls to limit access to Internet content. Also television stations began introducing V Chip technology to limit access to television content. Controls are now being applied to content ranging from explicit songs to objectionable movies available for purchase online. Usage controls are increasing ... controls for blocking websites. Add on parental control software may monitor Application programming ... to circumvent parental controls. There are other techniques used to bypass parental controls. Computer ... must earn gaming time while working through educational contents. Parental controls on mobile phones ... applications has created a demand for parental controls on these mobile, smart handhelds. In November ... web controls in the mobile phone arena. Mobile phone software from http www.mymobilewatchdog.com My ... of texts in and out. Parental controls on the iPod Touch There are also parental controls ... controls Several methods of bypassing parental controls are commonly used. If the filtering software ... outside this list, including proxy servers. Criticisms of parental controls An argument that is present ... such content. Video game systems that have used parental controls Listed in chronological order ... 3DS Operating systems with parental controls Expand section date May 2007 Below is a list of operating ... windows.microsoft.com en US windows vista Set up Parental Controls Windows 7 Mandriva Linux via drakguard ... cable providers parental controls.aspx Cable Providers and Parental Controls http www.smartmoney.com ... Controls Windows 7 Parental Controls Setup http www.fbi.gov kids k5th safety2.htm An FBI report ...   more details



  1. Universal controls

    Orphan date February 2009 Universal controls is a term used within information risk management and information risk assessment auditing to represent an information control that can be enforced across multiple applications, systems, or platforms. Universal controls are based on a universal policy language, such as XACML . Business users and policy analysts can define one set of policies and procedures , then apply it consistently throughout the enterprise, across user identity, roles, business context, time, locations, and dynamically created groups. The same information controls are rapidly deployed across multiple resources, spanning multiple enterprise systems. Universal controls, built on a 4GL business language, integrate and interoperate within existing network and security infrastructure, and with current directory services used to manage users and information assets. Without having to modify user workflows, the end result delivers protection during data handling and dislosure to prevent data loss , and conflicts of interest when data is shared, across heterogeneous networks. Companies can use universal controls to protect data in a consistent way across multiple storage sources such as, fileservers, application data stores, and web based portals and sites and across multiple end point devices, for example, desktop or laptop PCs, USB and CD drives, portable devices, and printer ... a company has deployed, universal controls can monitor information activity across an enterprise, and evaluate ... evaluation results, universal controls can actively prevent unauthorized or inappropriate data ... or not. The Flexibility of Open Architecture For universal controls to be effective, they generally require an open architecture, such as SOA interfaces, Web services, and open APIs. Controls must be easily ... universal controls. The Benefits of Universal Controls With universal controls, companies that manage ... controls. See also XACML Regulatory compliance Data Loss Prevention Enterprise software ...   more details



  1. NORPAC Controls

    Infobox Company company name NORPAC Controls company logo Image Norpac logo.jpg company type Employee Owned company slogan Be the Customer. foundation 1972 location Burnaby , British Columbia key people Dave Wall President num employees 90 industry Pulp & Paper products process control systems homepage http www.norpaccontrols.com NORPAC Controls Part of the Emerson Electric Company , established in 1890, NORPAC Controls distributes Emerson Process products and services to the province of British Columbia , Canada . Description As the official Emerson Process representative in BC since 1972, NORPAC Controls provides expertise in project management , procurement , implementation, asset optimization, Maintenance, repair and operations maintenance and repair. To complement Emerson products and services, NORPAC automation delivers locally engineered solutions to isolation valve requirements automated or manual . An employee owned and operated company, NORPAC serves customers in fields such as forestry , mining , and biotechnology . The company maintains Lower Mainland, Vancouver Island and Prince George, British Columbia Prince George teams to provide on site service to its clients whenever required, as part of its Total Customer Commitment philosophy. NORPAC has won Canada s 50 Best Managed Companies award. See also Emerson Electric Company External links http www.norpaccontrols.com NORPAC Controls http www.emersonprocess.com home EMERSON Process Management Category Companies based in Burnaby ...   more details



  1. Cultural controls

    Unreferenced stub auto yes date December 2009 Orphan date December 2009 In agriculture cultural control is the practice of modifying the growing environment to reduce the prevalence of unwanted pest animal pest s. Examples include changing soil pH or fertility levels, irrigation practices, amount of sunlight, or temperature. These can detrimental effects to the ecosystem surrounding the area given the pesticide if it leaks, which could change an ecosystem drastically depending on its specific effects and cultural control. DEFAULTSORT Cultural Controls Category Agriculture Agri stub ...   more details



  1. Net Controls

    orphan date November 2009 refimprove date November 2009 Infobox Company type Subsidiary foundation flagicon USA United States location flagicon USA United States parent Yahoo Net Controls is a company based in the United States and was acquired by Yahoo . References reflist Category Software companies of the United States US software company stub ...   more details




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