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DPI2010-20751-C02-02

Financiado

Cerrado

DISEÑO DE ESTRATEGIAS INTELIGENTES DE CONTROL Y DIAGNOSTICO BASADAS EN EL ANALIS...

DISEÑO DE ESTRATEGIAS INTELIGENTES DE CONTROL Y DIAGNOSTICO BASADAS EN EL ANALISIS DE VIBRACIONES: APLICACION A HELICOPTEROS NO TRIPULADOS UAV'S ARTIFICIAL INTELLIGENT TECHNIQUES HAVE PROVED TO BE A USEFUL TOOL IN SOLVING PROBLEMS OF CONTROL AND FAILURE DETECTION, PARTICULARLY, THE HYBRIDIZATIONS BETWEEN THE NEURAL NETWORK AND THE FUZZY LOGIC PARADIGMS HAVE EMERGED IN RECE... ver más

01/01/2010

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67K€

Presupuesto del proyecto: 67K€

Líder del proyecto

UNIVERSIDAD DE LA LAGUNA No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 682

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo AGENCIA ESTATAL DE INVESTIGACIÓN notifico la concesión del proyecto el día 2010-01-01 No tenemos la información de la convocatoria

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Líder del proyecto

UNIVERSIDAD DE LA LAGUNA No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 682

Presupuesto del proyecto 67K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto ARTIFICIAL INTELLIGENT TECHNIQUES HAVE PROVED TO BE A USEFUL TOOL IN SOLVING PROBLEMS OF CONTROL AND FAILURE DETECTION, PARTICULARLY, THE HYBRIDIZATIONS BETWEEN THE NEURAL NETWORK AND THE FUZZY LOGIC PARADIGMS HAVE EMERGED IN RECENT YEARS AS AN ALTERNATIVE APPROACH TO DEAL WITH THIS TYPE OF PROBLEMS, ON THE OTHER HAND, VIBRATIONS HAVE BEEN CONSIDERED AS A DISTURBING ELEMENT IN MANY SYSTEMS; WHEREAS, SOMETIMES THEY HAVE BEEN USED IN SO MANY APPLICATIONS AS: VIBRATING CONVEYORS, VIBRATING FEEDERS OR DETECTION FAILURE SYSTEMS, IN THE CASE OF AERIAL VEHICLES, VIBRATIONS GENERATED BY THE VARIOUS COMPONENTS OF THE DIFFERENT SUBSYSTEMS AFFECT NEGATIVELY OVER THE ON-BOARD INSTRUMENTATION, MOREOVER, THIS IS NOTICEABLE IN THE UNMANNED AERIAL VEHICLES WHERE THE ON-BOARD VISION SYSTEMS ARE ENORMOUSLY AFFECTED BY THESE PERTURBATIONS, IN THIS PROJECT, AN INTELLIGENT CONTROL SYSTEM BASED ON MEASUREMENT AND ANALYSIS OF THE GENERATED VIBRATIONS WILL BE DEVELOPED IN ORDER TO ATTENUATE THEIR IMPACT, IN PARTICULAR, THIS RESEARCH WILL ADDRESS THE CASE OF AUTONOMOUS HELICOPTERS TO AVOID UNWANTED DISTURBANCES ON THEIR ON-BOARD VISION SYSTEMS, IN FACT, NEW CONTROL STRATEGIES BASED ON SEMI-ACTIVE SCHEMES WILL BE EXPLORED, RECENTLY, THEY HAVE BECOME A PROMISING VIBRATION CONTROL METHOD AS THE AMOUNT OF EXTERNAL POWER REQUIRED TO ACHIEVE SATISFACTORY PERFORMANCE IS SMALL, FURTHERMORE, RECENT ADVANCES IN THE DEVELOPMENT OF SMART MATERIALS AND ADJUSTABLE DAMPERS AND ABSORBERS HAVE SIGNIFICANTLY CONTRIBUTED TO EXTEND THE APPLICABILITY OF THESE TECHNIQUES, IN THIS WAY, IT IS EXPECTED THAT BETTER QUALITY OF THE CAPTURED IMAGES CAN BE OBTAINED AND A REDUCTION OF THE COMPUTATIONAL CHARGE ASSOCIATED TO THE IMAGE PROCESSING ALGORITHMS IS EXPECTED, HENCE, THIS DEDICATED VIBRATION CONTROL SYSTEM WILL CONTRIBUTE TO AVOID THE REDUCTION OF THE CONTROL BANDWIDTH OF THE HELICOPTER, IN ORDER TO IMPLEMENT THIS CONTROL SYSTEM A MICROPROCESSOR-BASED SYSTEM WILL BE DEVELOPED, THIS SYSTEM WILL BE IN CHARGE OF ACCELEROMETER SIGNALS CAPTION AND PROCESS, ALONG WITH THE IMPLEMENTATION OF THE INTELLIGENT CONTROL TECHNIQUES PROPOSED IN THIS PROJECT, THE STUDY HERE PROPOSED WILL FOCUS ON THE APPLICATION OF NEURO-FUZZY HYBRIDIZATIONS AND IN ADDITION TO IT, DIFFERENT SEMI-ACTIVE ACTUATOR CONFIGURATIONS WILL BE EXPLORED IN ORDER TO CHOOSE THE MOST CONVENIENT ONE FOR THE ABOVE MENTIONED TASK, ON THE OTHER HAND, SEVERAL INVESTIGATIONS HAVE BEEN CONDUCTED IN ORDER TO DETECT DAMAGE IN HELICOPTER TRANSMISSIONS, IN FACT, AN EXHAUSTIVE NATIONAL TRANSPORTATION SAFETY BOARD STUDY OF THE HELICOPTER ACCIDENT REPORTS FROM 1963 THROUGH 1997 REVEALED THAT THE DRIVE TRAIN FAILURES OF THE MAIN AND THE TAIL ROTOR SYSTEMS IN HELICOPTERS CONTRIBUTED THE MOST TO THE OVERALL NUMBER OF REPORTED ACCIDENTS, IN THE CASE OF AUTONOMOUS HELICOPTERS, INCIPIENT DAMAGES IN MECHANICAL COMPONENTS OF THE TAIL AND MAIN ROTOR SYSTEM CONTRIBUTE TO INCREASE THE VIBRATION LEVEL OVER THE ON-BOARD SYSTEMS, IN FACT, CRITICAL COMPONENTS COULD ULTIMATELY LEAD TO A CATASTROPHIC FAILURE OF THE HELICOPTER, BECAUSE OF THAT, NEW SENSORS LOCATED NEAR THE TAIL AND THE MAIN ROTOR WILL BE INTERFACED TO THE MICROPROCESSOR-BASED SYSTEM, IN THIS WAY, THE POSSIBLE INCREASE OF VIBRATION LEVEL WILL BE MEASURED AND IT WILL BE CONSIDERED IN ORDER TO DETERMINE A CERTAIN DEGREE OF ABNORMAL PERFORMANCE, MOREOVER, THESE SIGNALS WILL BE USED TO IMPROVE THE PERFORMANCE OF THE SEMI-ACTIVE VIBRATION SYSTEM IN DIFFERENT OPERATION CONDITIONS, ANALISIS DE VIBRACIONES\SISTEMAS NEURO-FUZZY\ESQUEMAS DE CONTROL SEMI-ACTIVO\CONTROL

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