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Encyclopedia results for Constrain

Constrain





Encyclopedia results for Constrain

  1. The Bittersweet Constrain

    Infobox album See Wikipedia WikiProject Albums Name The Bittersweet Constrain Type studio Artist Jill Tracy Cover JillTracy Constrain.jpg Released 2008 Genre Dark cabaret Length 61 27 Label Jill Tracy Reviews Last album Into the Land of Phantoms br 2002 This album The Bittersweet Constrain br 2008 Next album The Bittersweet Constrain is the fourth studio album by American dark cabaret artist Jill Tracy . Track listing tracklist all writing Jill Tracy title1 Haunted by the Thought of You length1 6 08 title2 Sell My Soul length2 4 33 title3 Room 19 length3 5 47 title4 The Water Flows So Slow length4 7 18 title5 I Can t Shake It length5 5 45 title6 Grey 11 length6 1 00 title7 In Between Shades length7 6 11 title8 Torture length8 5 55 title9 Where Shadows Fall length9 5 22 title10 The Somnambulist Waltz length10 2 45 title11 Petrified length11 4 27 title12 Treasure length12 6 12 total length 61 27 DEFAULTSORT Bittersweet Constrain Category 2008 albums 2000s album stub ...   more details



  1. Anabaritid

    Automatic taxobox taxon Anabaritidae fossil range fossil range Early Cambrian display children 1 The anabaritids or angustiochreids are enigmatic tubular, mineralizing organisms with a trifold symmetry known from their Lower Cambrian fossil s. They may have represented cnidaria , but their affinity within the animal Metazoa is difficult to constrain. ref cite doi 10.1017 S1477201909002715 ref References reflist Category Cambrian life ...   more details



  1. Kinematic coupling

    Expert subject Engineering date November 2008 Kinematic coupling describes fixture s designed to exactly kinematically constrain the part in question. A canonical example of a kinematic coupling consists of three radial v groves in one part that mate with three hemispheres in another, credited to Maxwell. Each hemisphere has two contact points for a total of six contact points, enough to constrain all six of the part s Degrees of freedom mechanics degrees of freedom . One alternative, favored by Kelvin, consists of three hemispheres on one part that fit respectively into a tetrahedral dent, a v groove, and a flat. Citation needed date July 2008 See also Kinematics Kinematic determinacy Precision engineering References reflist External links http pergatory.mit.edu perg research archive Culpepper kincouple.htm http pergatory.mit.edu kinematiccouplings Category Mechanical engineering Category Machines Category Kinematics Category Mechanisms Category Linkages mech engineering stub ...   more details



  1. XMD

    XMD is a classical molecular dynamics software designed to simulate problems related to materials science . The code was developed by Jon Rifkin of University of Connecticut and is being distributed under GNU General Public License . Source code is available in C and can be compiled using POSIX thread functions to take advantage of multi CPU computers. Key features Constant temperature simulations using velocity re scaling algorithm Constant pressure simulations using either Andersen s algorithm or a simple volume rescaling algorithm suitable for lattice constant versus temperature calculations Efficient system relaxation local minima algorithm Constrain selected atoms to remain fixed in space Constrain selected atoms to remain in a line or plane Apply a unique external force to individual atoms Tether selected atoms to their initial positions with springs of various spring constants Apply velocity damping coefficients to selected atoms Uses pair potential, Embedded Atom Method potentials Embedded atom model EAM , Tersoff s Silicon Carbide potential or Stillinger Weber Si potential. See also Molecular design software External links http xmd.sourceforge.net XMD Homepage Category Molecular dynamics software Category Free science software Category Free software programmed in C ...   more details



  1. Training (disambiguation)

    Training may refer to wiktionary training Eccentric Training Instructor led training Training , the teaching of knowledge, vocational or practical matters Dog training Sports training Training meteorology , a successive series of showers or thunderstorms moving repeatedly over the same area Training civil , refers to the use of structures built to constrain rivers Training , archaic, meaning to get on train s to transfer from one area of the continent to another mainly in the American Civil War Kiting video gaming Training Training MMORPG terminology disambig es Adiestramiento sk Tr ning ...   more details



  1. Trust anchor

    In cryptography , a trust anchor is an authoritative entity represented via a public key and associated data. It is used in the context of public key infrastructure s, X.509 digital certificates and DNSSEC . When there is a chain of trust , usually the top entity to be trusted becomes the trust anchor, it can be for example a root certificate certification authority CA . The public key of the trust anchor is used to verify digital signatures and the associated data. Furthermore, the public key is used to constrain the types of information for which the trust anchor is authoritative. A relying party uses trust anchors to determine if a digitally signed object is valid by verifying a digital signature using the trust anchor s public key, and by enforcing the constraints expressed in the associated data for the trust anchor. References http ietfreport.isoc.org Internet Society ISOC Public Key Infrastructure X.509 pkix Internet Drafts Category Key management ...   more details



  1. Scwm

    Image Scwm constraints.png thumb Screenshot showing the constraints manager in action. Scwm or Scheme Constraints Window Manager is a X window manager window manager for the X Window System . Its main features are dynamic configurability and programmability via a language based on GNU Guile and the embedded arithmetic Cassowary constraint solver . The primary developers were Greg Badros and Maciej Stachowiak . The constraint solver is used to constrain window behavior. For example, one can constrain two windows to have equal height, or to force the distance between two windows to be constant. In real time, the Cassowary constraint solver re solves the system of equalities and inequalities and applies the new mathematical solution to the on screen layout, animating windows to their new positions. Other features include flexible GUI driven customization and per window decoration settings per window themes . Scwm, like many window managers, began from Fvwm , another highly configurable window manager. ref To create SCWM, Stachowiak started with the source code for Robert Nation s FVWM window manager and gradually replaced the original home grown configuration language with Guile. pg 93 of Blandy 1997 ref Scwm development has been stagnant since 2000 when Badros completed his Ph.D. at the University of Washington the last updates to the Concurrent Versions System CVS repository have focused on maintaining compatibility with Guile 1.8.x. Scwm is released under the GNU GPL ref http sourceforge.net projects scwm ref References references Guile An Interpreter Core for Complete Applications by Jim Blandy, pg 87 104 of Handbook of Programming Languages, Volume IV Functional and Logic Programming Languages , ed. Peter H. Salus . 1998 1st edition , Macmillian Technical Publishing ISBN 1 57870 011 6 External links commons category Portal Free software http scwm.sourceforge.net Official website Category Free X window managers unix stub ...   more details



  1. Mentalist postulate

    Orphan date December 2009 The mentalist postulate is the thesis that Meaning linguistic meaning in natural language is an information structure that is mentally encoded by human beings . It is a basic premise of some branches of cognitive semantics . Semantic theories implicitly or explicitly incorporating the mentalist postulate include force dynamics and conceptual semantics . Two implications of the mentalist postulate are first, that research on the nature of mental representation s can serve to constrain or enrich semantic theories and secondly, that results of semantic theories bear directly on the nature of human conceptualization . ref cite book title Meaning and mental representations chapter Conceptual Semantics authorlink Ray Jackendoff last Jackendoff first Ray editor Umberto Eco , Marco Santambrogio, Patrizia Violi page 81 97 year 1988 publisher Indiana University Press isbn 9780253337245 ref References reflist Ling stub Category Cognitive linguistics Category Semantics ...   more details



  1. Constraints accounting

    Constraints accounting CA is an accounting reporting technique, consistent with a process of ongoing improvement POOGI . It is an implementation of the Theory of Constraints . It is a development of throughput accounting . CA includes explicit consideration of the role of Constraint mathematics constraint s, specification of throughput contribution effects, and decoupling of throughput T from operating expense OE . Constraints represent part of the third level of the financial reporting conceptual framework developed by the Financial Accounting Standards Board FASB . In providing information with the qualitative characteristics that make it useful, companies must consider two overriding factors that limit, or constrain , financial reporting. The two dominant constraints are the cost benefit relationship and materiality . The cost benefit relationship constraint is pervasive throughout the framework, and materiality is a threshold for recognition in financial reporting. References John A. Caspari, Pamela Caspari. cite Management Dynamics Merging Constraints Accounting to Drive Improvement cite . ISBN 0 471 67231 9 Donald E. Kieso, Jerry J. Weygandt, Terry D. Warfield. cite Intermediate Accounting. Twelfth Edition cite . ISBN 0 471 74955 9 Category Theory of constraints Category Management accounting Business stub ...   more details



  1. Invariant

    wiktionary invariance invariant invariants Invariant and invariance may have several meanings, among which are Computer science Invariant computer science , an Expression whose value doesn t change during program execution A data type type in Method overriding programming overriding that is neither covariance and contravariance computer science covariant nor contravariant Class invariant , invariants used to constrain objects of a class Loop invariant , invariants used to prove properties of loops Other uses Invariant mathematics , something unaltered by a transformation, for example taking a homotopy group functor on the category of topological spaces. Then, homeomorphic spaces have isomorphic fundamental group. See topological invariant . Invariant music Invariant physics , meaning that something does not change under a transformation, such as from one reference frame to another Writer invariant , property of a text which is similar in all texts of a given author, and different in texts of different authors Invariance magazine , a French Communist journal Oxford University Invariant Society The Invariant Society , the Oxford student mathematics society disambiguation cv cs Invariant de Invarianz fr Invariance it Invarianza nl Invariant pl Niezmiennik ru sk Invariant uk ...   more details



  1. Human-machine interface

    merge Human Machine Interface discuss Talk Human machine interface Merger proposal date March 2012 Human machine interface is the part of the machine that handles the Human machine interaction Overview In complex systems, the human machine interface is typically computerized. The term Human computer interface refers to this kind of systems. The engineering of the human machine interfaces is by considering ergonomics Human Factors . The corresponding disciplines are Human Factors Engineering HFE and Usability Engineering UE , which is part of Systems Engineering . Tools used for incorporating the human factors in the interface design are developed based on knowledge of computer science , such as computer graphics , operating systems , programming language s. Primary methods used in the interface design include prototyping and simulation. Interface design Typical human machine interface design consists of the following stages interaction specification, interface software specification and prototyping Common practices for interaction specification include user centered design , persona , activity oriented design , scenario based design , resiliency design . Common practices for interface software specification include use cases , constrain enforcement by interaction protocol s intended to avoid use error s . Common practices for prototyping are based on interactive design based on libraries of interface elements controls, decoration, etc. . DEFAULTSORT Human machine interface Category Human communication Category Human machine interaction ...   more details



  1. Academy Gardens, Philadelphia, Pennsylvania

    Unreferenced date December 2009 Academy Gardens is a neighborhood located in the Northeast Philadelphia The Northeast section of Philadelphia, Pennsylvania Philadelphia , Pennsylvania , United States . It is located on the eastern side of the Far Northeast. Its approximate boundaries are Pennypack Park , Grant Avenue, the John F. Byrne Golf Course, and Holme Avenue. Originally farm land, it was part of the holdings of Thomas Holme , surveyor for Pennsylvania s founder, William Penn . Academy Gardens was settled in earnest by veterans of World War II during the dramatic expansion of the Northeast. Many of the homes were inexpensive starter homes that were largely unfinished to constrain cost. These homes have been extensively remodeled over the years and now largely belie their humble origins. Penn Academy and Crispin Gardens are the local youth sports organizations. There is little industry but a fair amount of retail trade in the neighborhood, mainly along Willits Road and Holme Avenue. Former prominent residents include Thomas Holme and William J. McBride Jr., now Lord William of the Principality of Sealand. NEPhila Coord 40.0617779 74.9962809 display title Philadelphia stub Category Neighborhoods in Philadelphia, Pennsylvania ...   more details



  1. Jill Tracy

    , selections from the Nosferatu score. Jill Tracy released her fourth album, The Bittersweet Constrain ... The Bittersweet Constrain is Haunted by the Thought of You. Discography Albums Quintessentially Unreal 1996 Diabolical Streak 1999 Into the Land of Phantoms 2002 The Bittersweet Constrain 2008 BENEATH The Bittersweet Constrain 2011 Compilations Meantime on Market Street, Best of Caf du Nord live 2000 ...   more details



  1. Macroeconomic regulation and control

    Unreferenced stub auto yes date December 2009 Macroeconomic regulation and control zh s t p H nggu n ti ok ng often abbrevicated Macro control zh s t p H ngti o refers to the use of direct government intervention by the central government of the People s Republic of China to cool down the overheated economy . The policy was first introduced in 1993 by Zhu Rongji , Premier of the People s Republic of China and Governor of the People s Bank of China at the time. His policies included collective measures to constrain monetary policy , suppress real estate and stock market s, control inflation , lower supplies of raw material s and reduce domestic consumption . The purpose was to achieve a so called soft landing economics soft landing of an economy that was growing too fast. As all these measures can vastly affect the economy and political stability, macro control has become a hot topic to economic and political observers of the People s Republic of China. See also Economy of the People s Republic of China Mixed economy Socialist economics Economic regulation Economic interventionism Economic integration Economy of the People s Republic of China DEFAULTSORT Macroeconomic Regulation And Control Category Economic development in China China stub Econ stub de Globalsteuerung zh ...   more details



  1. Compulsor

    In Ancient Roman law enforcement, a compulsor was an Officer armed forces officer under the Roman Empire Roman Emperors , dispatched from court into the provinces, to force the payment of taxes, etc., which had not been paid within the time prescribed. The procedure is briefly summarized in Codex Theodosianus i.14.1, omnia tributa exigere suscipere postremo conpellere iubemus. Egyptian documents also afford a good deal of illustration, as explained in Matthias Gelzer s Studien zur byzantinischen Verwaltung gyptens , 42 sqq. These were charged with so many exactions, under color of their office, that Honorius emperor Honorius dismissed them by law in 412 . The laws of the Visigoths mention military compulsors which were officers among the Goths, whose business was to oblige the tardy soldiers to go into the fight, to run an attack, etc. Cassian of Imola Cassian mentions a kind of monastic compulsors , whose business was to declare the hours of canonical office, and to make sure the monks went to church at those hours. The word is Latin , formed of the verb compellere , to oblige constrain . References 1728 Bury, J.B. History of the Later Roman Empire . Vol 1, Ch 2. Macmillan & Co., Ltd. 1923. Category Ancient Roman titles Category Roman law Category Military ranks of ancient Rome Category Goths ...   more details



  1. Oblique correction

    In particle physics , an oblique correction refers to a particular type of Renormalization radiative correction to the electroweak sector of the Standard Model. Oblique corrections are defined in four fermion scattering processes, Subatomic particle Antielectron     Subatomic particle Electron     Subatomic particle quark     Subatomic particle Antiquark at the CERN LEP collider. There are three classes of radiative corrections to these processes vacuum polarization corrections, vertex function vertex corrections , and box corrections. The vacuum polarization corrections are referred to as oblique corrections, since they only affect the mixing and propagation of the gauge bosons and they do not depend on which type of fermions appear in the initial or final states. The vertex and box corrections, which depend on the identity of the initial and final state fermions, are called nonoblique correction s. Any new particles charged under the electroweak gauge group s can contribute to oblique corrections. Therefore, the oblique corrections can be used to constrain possible new physics beyond the Standard Model . To affect the nonoblique corrections, on the other hand, the new particles must couple directly to the external fermions. The oblique corrections are usually parameterized in terms of the Peskin Takeuchi parameter s S, T, and U. References J.L. Hewett, The Standard Model and Why We Believe It , http arxiv.org abs hep ph 9810316 arXiv hep ph 9810316 , lectures given at Theoretical Advanced Study Institute TASI 97 . Category Particle physics particle stub ...   more details



  1. Training (civil)

    Training or entrance training refers to coastal management coastal structures built to constrain a river discharging across a littoral coast so that it discharges only where desired. Untrained entrances on sandy coasts tend to move widely and violently to discharge into the ocean, often upsetting those enjoying land nearby. With many cities and buildings constructed close to rivers, such management has historically been considered a necessary course of action, even though ecologically, non intervention would be better and more sustainable. ref https www.epa.qld.gov.au register p01258bu.pdf Coastal variability physical processes from State of the Environment Queensland 2003 , Government of Queensland , Page 6.74 ref A trained entrance often consists of rock walls that force the water into a deeper more stable channel geography channel . Trained entrances can provide better navigation, water quality and flood mitigation services, but can also cause beach erosion due to their interruption of longshore drift . One solution is the installation of a sand bypass system across the trained entrance. Training is also used on mountainous rivers and streams, and ensures that a fast flowing river is reduced in violence and hence erosion erosive capability , usually by the use of weir s and other structures like gabion s. ref http www.africangabions.co.za downloads files RT 20Weirs.pdf Problems and solutions Weirs from the River Training Works series, aficangabions.co.za website, pdf ref References Reflist coastal management Category Coastal construction Category Hydraulic engineering Category Coastal geography ...   more details



  1. Conditions on Transformations

    Conditions on Transformations is an influential linguistics article by Noam Chomsky , published in 1973 ref Chomsky 1973 ref . In it, Chomsky attempted to formulate constraints on transformational rules used in Transformational Generative Grammar TGG , a new kind of Syntax syntactic theory that Chomsky first proposed in the 1950s. These constraints, or conditions , helped decrease the number of possible generative grammars, with a goal to account for the process of language acquisition in children. Chomsky s attempt to greatly constrain the power of transformational rules found a common ground with a new generation of Generative linguistics Generativist linguists in Europe, as evidenced by the quote below cquote In our opinion, generative linguistics acquired a new momentum in Europe after Chomsky s Conditions on Transformations 1973 . This epoch making paper shifted the interest of linguists from rather arbitrary rules to simple well constrained rules operating under general conditions. A significant number of members of Generative Linguistics in the Old World GLOW have found their common ground in the research programme that grew out of Conditions . ref The Generative Linguistics in the Old World GLOW http glow.uit.no index.php?page manifesto manifesto ref References references Bibliography Citation last Chomsky first Noam editor Anderson and Kiparsky chapter Conditions on Transformations pages 232 286 year 1973 title A Festschrift for Morris Halle volume issue publisher Holt, Rinehart & Winston location New York publication date url linguistics stub Noam Chomsky Category Works by Noam Chomsky Category 1973 works ...   more details



  1. Comet (programming language)

    Comet is a commercial programming language designed by Brown University professor Dr. Pascal Van Hentenryck used to solve complex combinatorial optimization problems in areas such as resource allocation and Scheduling algorithm scheduling . It offers a range of optimization algorithms from mathematical programming to constraint satisfaction constraint programming , Local search constraint satisfaction local search algorithm and dynamic stochastic combinatorial optimization. ref Taylor, J., http jtonedm.com 2009 07 08 first look dynadec comet First Look Dynatec Comet , July 8, 2009 ref Comet programs specify local search algorithms as two components a high level model describing the applications in terms of Constraint mathematics constraints , constraint combinators, and objective function s a search procedure expressed in terms of the model at a high abstraction level. This approach promotes reusability across applications. Its API allows it to be used as a software library . Comet also features high level abstractions for parallel computing parallel and distributed computing , based on loop scheduling , interruptions, and work stealing. References reflist Constrain Based Local Search by Pascal Van Hentenryck and Laurent Michel. The MIT Press, 2005. External links http www.comet online.org Welcome.html Comet online Category Domain specific programming languages ...   more details



  1. Handwritten Address Interpretation

    Orphan date November 2010 Onesource date May 2011 HandWritten Address Interpretation A software system developed at Center of Excellence for Document Analysis and Recognition of the State University of New York . Known as HWAI, it was first deployed by the United States Postal Service through its contractor Lockheed Martin in Tampa, Florida during the holiday December season in 1997. Initially 10 of the handwritten mail was successfully sorted and the project was considered a success. This was due to the large volume of mail that the US Postal Service processes and the cost of labor involved. The key to the success was the discovery of a heuristic by researchers Sargur Srihari and Jonathan Hull that the street number and ZIP code could be relatively easily recognized, because they only consist of numerals, which could then be used to constrain the possible street. Subsequent improvements to HWAI led to a 45 sort rate with a 2 error rate. Today more than 95 of the handwritten mail is sorted automatically. Versions of HWAI were developed for Australia Post and Royal Mail UK Royal Mail . References See Wikipedia Footnotes on how to create references using ref ref tags which will then appear here automatically Reflist External links http www.cedar.buffalo.edu CEDAR Categories Category Postal system ...   more details



  1. EChO

    refimprove date March 2011 Wikify date March 2011 The Exoplanet Characterisation Observatory EChO is a proposed space telescope that has been selected for further studies as part of the Cosmic Vision roadmap of the European Space Agency , and is competing with three other missions for the M3 slot in the programme. EChO will be the first dedicated mission to investigate exoplanetary atmospheres, addressing the suitability of those planets for life and placing our Solar System in context. EChO will provide high resolution, multi wavelength spectroscopic observations. It will measure the atmospheric composition, temperature and albedo of a representative sample of known exoplanets, constrain models of their internal structure and improve our understanding of how planets form and evolve. It will orbit around the L2 Lagrange point, 1.5 million km from Earth in the anti sunward direction. See also MarcoPolo R LOFT References See http en.wikipedia.org wiki Wikipedia Footnotes on how to create references using ref ref tags which will then appear here automatically Reflist External links Official site http www.echo spacemission.eu http sci.esa.int science e www object index.cfm?fobjectid 48467 ESA Announcement Article European Space Agency Space observatories Category European Space Agency probes Category Spaceflight Category Unmanned vehicles Category Proposed spacecraft Category Space telescopes ESA stub fr Exoplanet Characterisation Observatory ru EChO ...   more details



  1. Service Modeling Language

    in two ways XML Schema W3C XML Schema documents constrain the structure and content of the XML ... as well. SML also defines a set of extensions to XML Schema W3C XML Schema to constrain references, and identity constraints key, unique, ... that apply to sets of documents. Rule documents constrain ...   more details



  1. Savoy knot

    Infobox Heraldic knot knot Savoy knot image Savoy knot.png image caption badge Savoy badge.png badge caption The Savoy badge heraldry badge . family House of Savoy region Savoy notes The first to bear the knot is said to have been Thomas I, Count of Savoy , in the 13th century. ref cite book title A Dictionary of Mottoes last Pine first Leslie GIlbert authorlink coauthors year 1983 publisher Routledge location isbn pages 223 url ref The Savoy knot , a type of decorative knot , is a heraldic knot used primarily in Italian heraldry. It is most notable for its appearance on the badge heraldry heraldic badge of the House of Savoy , where it is accompanied by the motto Stringe ma non costringe , It tightens, but does not constrain . ref cite book title Knots, Ties and Splices A Handbook for Seafarers, Travellers and All Who Use Cordage, with Historical, Heraldic and Practical Notes last Burgess first Joseph Tom authorlink coauthors year 1884 publisher G. Routledge and Sons location Oxford isbn pages 12 url ref In shape, it is comparable to a 8 number figure eight . When used outside of heraldry as a real knot , it is known as a figure eight knot ropes figure eight knot . The Savoy knot can also be seen on the Alfa Romeo automobile badge which is basically the emblem of the city of Milan, Italy. See also List of knots Order of the Most Holy Annunciation References reflist Heraldic knot Category Decorative knots Category Heraldic charges ...   more details



  1. Bandolier

    other uses Unreferenced date March 2009 File Pancho Villa bandolier crop.jpg thumb right Mexican Revolution ary General Pancho Villa wearing two bandoliers. Wikisource1911Enc A bandolier or a bandoleer is a pocketed belt clothing belt for holding ammunition . It was usually slung over the chest. In its original form, it was common issue to soldier s from the 16th to 18th centuries. This was very useful for quickly reloading a musket . A somewhat different form of the bandolier came into use in the 20th century when it accompanied modern cartridge weaponry cartridge s and hand grenades . Bandoliers are now rare due to the prohibitive size of modern Magazine firearm magazines . They are, however, still commonly used with shotguns, as individual 12 gauge shells can easily be stored in traditionally designed bandoliers. In fact, some aftermarket shotgun slings are designed in a similar fashion to bandoliers, albeit with a far more limited capacity than true bandoliers. The bandolier was used to keep ammunition off a soldier s hips, as carrying too much weight on the hips can constrain movement and cause difficulty in retrieving the ammunition. In World War I and World War II , bandoliers were issued primarily to Rifleman riflemen . They were made of cloth, stitched into pockets which held clip ammunition clips of rifle ammunition. Today, bandoliers are commonly used to carry multiple Grenade rounds. In civilian use, bandoliers are often worn by hunters and recreational shooters using shotguns . Bandoliers made from spent or dummy rounds are often used in fashion, sometimes in heavy metal music heavy metal and punk subculture s. See also Baldric Category Ammunition Category Military uniforms Category Belts ammo stub ca Canana de Bandelier es Canana fr Ceinture munitions ko io Bandoliero it Bandoliera lt ovinynas no Bandol r pl Bandolier pt Cartucheira ru ...   more details



  1. Human-Machine Interface

    merge Human machine interface discuss Talk Human Machine Interface Merger proposal date March 2012 Human machine interface is the part of the machine that handles the Human machine interaction . This term is system oriented. it extends the computer oriented term of user interface , referring also to system operators who are not the machine users. The extension is useful for modeling complex systems, such as in the process industry or in emergency control. For example, the users of alarm system are the public, or people who happen to be at the risky place. The interface to the audience may be by emergency lights or by loud speakers. This interface is different from that used for the operators, who generate the alarms. Overview In complex systems, the human machine interface is typically computerized. The term Human computer interface refers to this kind of systems. The engineering of the human machine interfaces is by considering ergonomics Human Factors . The corresponding disciplines are Human Factors Engineering HFE and Usability Engineering UE , which is part of Systems Engineering . Tools used for incorporating the human factors in the interface design are developed based on knowledge of computer science , such as computer graphics , operating systems , programming language s. Primary methods used in the interface design include prototyping and simulation. Interface design Typical human machine interface design consists of the following stages interaction specification, interface software specification and prototyping Common practices for interaction specification include user centered design , persona , activity oriented design , scenario based design , resiliency design . Common practices for interface software specification include use cases , constrain enforcement by interaction protocol s intended to avoid use error s . Common practices for prototyping are based on interactive design based on libraries of interface elements controls, decoration, etc. . DEFA ...   more details




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