The purpose of this paper is to design a laser scanning system for a high temperature and acidic environment to measure small-scale surface roughness of seabed and to collect information related to calcium carbonate debris. The study comprises two parts. One is to construct the hardware and software of the laser scanning system. Two is to test the system at sea. The system were tested at Kuishantao sea area, an area with many submarine springs. The temperature of the hot water from the submarine springs can be as high as 126¢XC. Key substances from this type of hot springs are surfur and air bubbles composed of CO2, N2, O2, SO2, and H2S. These chemicals make the sea water in this area acidic, and the pH value can be less than 2. In other words, this sea area is a high temperature and very acidic environment According the acidic resistant test result, the researchers decided to use Polypropylene (PP) as the material. The laser scanning system captures information automatically, and it uses industrial single board computer (PC104) as the control platform. The researchers selected red laser, which is monotonous, directional, and coherent Lithium batteries, can be recharged repetitively, were used to supply the power. High-precision positioning, high resolution, and with easy speed and angle control stepping motors were chosen for the system. For the software, the researchers chose the Window operating system. The hardware and software of this system are highly compatible. Operating the system is very intuitive because windows are used as the interface, and the hardware has high supporting capacity. This arrangement makes data analysis later on very convenient. Images acquired from conducting the actual experiment at sea that need to be processed. A CCD camcorder with fixed location and angle was used to capture images. With the high brightness characteristic of laser and simple threshold values for screening, the researchers got the pixel position of laser beans. Then a calibrated the camcorder was used to switch the pixel coordinates to obtain the actual size of the object.

To estimate the correct dimension of the target on the underwater, we can use CCD camera and cast laser light strip onto the target, and then observe the displacement of laser light to get the dimension. Since the laser light will show on different situation, it's due to the surface of the target is not smooth. When we get the image from CCD camera, we need to calibrate the displacement of the laser light and return to the actual dimension of the target on the underwater. We know the optical distortion and non-linearity of the CCD camera will influence to get the correct image, also the location of camera is. That's the reason we need to calibrate the camera first. It was a mathematical way to explain the calibration of CCD camera non-linearity before. On this subject, we lay vertical and horizontal grid lines of 50 mm span on an acrylic plate. These grid lines are same as the longitudes and latitudes of the map. We estimate the target with the pair of interpolated longitude and latitude same as to be used to estimate the location of the point in the world coordinate system. And choose some targets with different size and form to use to verify the approach. By the way, we also test if there is any influence for the clear of water. The results indicate the error is under 3 \% when we catch the image on the underwater by a calibrated CCD camera.

No description available.

Denna studie syftar till att utgöra underlag och förslag till utformningen av statistikrapporter till WoodEye’s nya statistikdatabas som ingår i WoodEye 5. WoodEye 5 lanserades på Lignamässan i Hannover, 30 maj- 3 juni 2011. Förslagen har sin grund i kvalitativa intervjuer med ett urval av Innovativ Vision AB’s kunder, som tidigare visat intresse i frågan. Innovativ Visions kunder finns inom träbearbetningsindustrin, och uppvisar stora variationer i verksamhetsområde. Därför ska den nya statistikdatabasen präglas av en större valfrihet och flexibilitet, för att ett specifikt företag ska kunna göra de produktionsuppföljningar som är lämpliga för ändamålet. I slutet av 1960-talet påbörjades utvecklingen av automatisk virkessortering, eftersom detta skulle medföra en högre kapacitet och en jämnare avsyning i träbearbetande företag. En större mängd produkter kan tillverkas och fler sorteringsregler kan tillämpas samtidigt vid automatisk virkesavsyning jämfört med manuell avsyning. På senare år har även träindustrin påverkats av olika produktionsfilosofier, exempelvis resurssnål produktion. Detta medför att arbetet med kvalitetsteknik får en mer betydande roll i träbearbetande företag. Eftersom trä är ett heterogent material, är kvalitetsoptimering en komplex aktion. Därför har man börjat förespråka idén om rätt kvalitet för rätt ändamål, istället för att tala om hög och låg kvalitet. Innovativ Vision har sina rötter i den datorbaserade bildbehandlingen som bedrevs med stor framgång vid Linköpings universitet under 1980-talet. I slutet av 2011 beräknas den femte generationen WoodEye vara i drift, och i dagsläget finns tre tillhörande mjukvaruoptioner; Sorter, CrossCut och Parquet & Flooring. Sorter är en sorteringsoption, CrossCut är en kapoptimeringsoption och Parquet & Flooring är en sorteringsoption med förbättrad avsyning av färgvariationer i virket. I intervjuerna framkommer att de uppföljningar som referensföretagen utför idag är personal-, tillgänglighets-, och leverantörsuppföljningar samt hur den faktiska produktionen förhåller sig till den kalkylerade produktionen. Det finns stora variationer i uppföljningsverksamheten mellan företagen. Tre företag utför leverantörsuppföljningar och dessa anses vara de som har bäst rutin på uppföljningar. För optimalt genomförda uppföljningar av råvaran krävs en utvecklad defektstatistik, en funktion i statistikdatabasen som skulle innebär ett stort mervärde för kunderna. Det är framför allt kunder som använder WoodEye CrossCut som efterfrågar defektstatistik. Det beror sannolikt på att ingen motsvarighet till WoodEye Sorter’s nedklassningsstatistik finns till denna kapoptimeringsoption. I WoodEye 5 kommer trendstatistik genereras. Trendstatistiken blir ett verktyg för att avgöra hur det ögonblickliga produktionsutfallet förhåller sig till produktionsutfallet över tiden. Bland referensföretagen råder delade meningar om hur trendstatistiken kommer att användas; en del företag tror sig vilja göra uppföljningar baserat på informationen, medan andra enbart vill tillämpa den som ett stöd då WoodEye är i drift. / This study aims to provide support and suggestions for the design of statistical reports to WoodEye's new statistical database based on interviews with a sample of customers of Innovativ Vision AB. The new databas will be developed because of the improved fifth generation WoodEye 5, that will be in operation in late 2011. The customers varies widely in scope, and therefore the new statistical database should be characterized by a greater freedom of choice. Automatic sorting of wood panels imply a higher capacity and a smoother inspection. A greater variety of products can be produced, and a larger amount of sorting rules can be applied to automatic inspection of wood than in the case of manual inspection. The interviews reveal that there are wide variations in follow-up activities between the companies. The follow-ups the reference companies perform today are primarily whether the actual production is related to the deferred production, personnel monitoring, availability monitoring and supplier monitoring. Many of the companies demand some kind of defects statistics, for optimal follow-up of the raw material.

The aim of the OPERA experiment is to verify the neutrino oscillation, directly measuring the appearance of from an initially pure beam produced at CERN. For this purpose OPERA detector is located underground Gran Sasso Laboratory(LNGS) 730 km away from CERN. The detector structure designed to be a hybrid system consisting of emulsion targets and electronic detectors. Total area of the emulsion targets in the OPERA detector is around 110000 m2 which needs fast and reliable automatic scanning systems. For this purpose, two dierent automatic scanning systems were developed in Japan and Europe. For now there are 12 scanning laboratories dedicated to the OPERA Experiment. The Emulsion Scanning Laboratory in the Physics department of METU is one of the scanning laboratories for the OPERA Experiment. The automatic scanning system in METU is European type which is using commercial hardware for easy construction and maintain. Also the laboratory has a unique feature in terms of experimental high energy physics laboratories. The emulsion scan- ning laboratory in METU is the

Submitted by Fernanda Magri Torres null (nanda_fmt@hotmail.com) on 2016-05-23T12:48:36Z No. of bitstreams: 1 TORRES_FM_Dissertação_2016.pdf: 3116110 bytes, checksum: 16246177d1049fd90ac81bbb011d622f (MD5) / Approved for entry into archive by Felipe Augusto Arakaki (arakaki@reitoria.unesp.br) on 2016-05-31T12:13:32Z (GMT) No. of bitstreams: 1 torres_fm_me_prud.pdf: 3116110 bytes, checksum: 16246177d1049fd90ac81bbb011d622f (MD5) / Made available in DSpace on 2016-05-31T12:13:32Z (GMT). No. of bitstreams: 1 torres_fm_me_prud.pdf: 3116110 bytes, checksum: 16246177d1049fd90ac81bbb011d622f (MD5) Previous issue date: 2016-03-31 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / Com o avanço da tecnologia, sistemas de varredura a LASER vêm sendo cada vez mais utilizados como alternativa e, principalmente, como fonte de dados complementar aos procedimentos fotogramétricos convencionais em atividades de mapeamento e estudos ambientais. Os principais motivos que incentivaram o uso de sistemas a varredura a LASER para fins de mapeamento são o levantamento tridimensional da cena e a característica de “penetração” do sinal na vegetação. Apesar destas vantagens, o custo de sistemas de varredura a LASER e das missões de aerolevantamento é alto. Estudos que dependem de Sensoriamento Remoto aéreo com alta frequência temporal são muitas vezes limitados, pois os métodos convencionais aéreos com veículos tripulados são geralmente caros e, assim, não são acessíveis para estudos detalhados que requerem informação de séries temporais de pequenas áreas. Para estas situações, a nova tecnologia baseada em VANT pode ser uma alternativa viável e de baixo custo. Este trabalho apresenta o desenvolvimento e avaliação de uma plataforma de mapeamento de baixo custo, composta por um sistema de varredura a LASER embarcado em VANT, destacando-se as etapas de integração e sincronização do sistema de varredura a LASER com os sistemas de posicionamento e navegação integrados, a aquisição e processamento dos dados e a interpretação e análise dos resultados visando avaliar a precisão obtida e a aplicabilidade do sistema em áreas de florestas. Para a avaliação do sistema foram realizados experimentos em duas áreas distintas com diferentes alturas de voo, comprovando-se que esta tecnologia pode ser usada para a geração de dados tridimensionais. / Technology development has improving the use of LASER scanning systems as an alternative and, mainly, as a complementary data source to conventional photogrammetric procedures in mapping and environmental study activities. The main reasons that encouraged the use of LASER scanning systems for mapping purposes are the three-dimensional surveying of the scene and the characteristic of signal penetration in vegetation. Despite these advantages, costs of LASER scanning systems and airborne surveying missions are high. Studies that depend on aerial Remote Sensing with high temporal frequency are often limited because aerial conventional methods with manned aircrafts are generally expensive and so are affordable for detailed studies of small areas requiring temporal series information. For these situations, the new lightweight UAV-based technology can be a viable and cost effective alternative. This work deals with the development and evaluation of a low cost mapping platform composed by a LASER scanning system boarded in a small UAV, highlighting the steps of integration and synchronization of the LASER scanning system with the positioning and navigation systems integrated, the acquisition and processing of data and the interpretation and analysis of the results obtained to evaluate the precision and applicability of the system in forest areas. Experimental assessment was done in two areas with different flight heights and the results were compatible with the required accuracy.

The goal of this thesis is to design a scanning system for method of laser induced breakdown spectroscopy. The thesis contains research about laser induced breakdown spectroscopy, scanning system including all used components and chemical mapping of sample´s surface. In this thesis, the scanning system is combined with F-theta lens. The construction and optical design of the scanning system, evaluation of measured results and comparison with original motorized positioning is included.

An inspection system was required in order to eliminate the difficulties which appear during the inspection of the vehicles according to specific criteria at Turkish Custom Border in a short time and effectively. In this thesis, we performed experiments on such a system to obtain the overall performance of its inspection quality. We firstly give with reasons, why the source of beam is selected as X-ray source. The subsystems of the main system are the accelerator subsystem and detector subsystem. Their structures and working principles are studied in detail by comparing them with their alternatives. Series of experiments are carried out to verify the general performance of system in terms of radiation security and quality of images produced by the system. These experiments were classified as general scan experiment, inspection performance experiment, image quality indicator experiment, radiation safety experiment and general performance experiment. The container inspection system studied and experimented in this thesis is now used effectively in Turkish Customs Boarder, Edirne Kapikule and Edirne ipsala.

A presente pesquisa vinculada ao grupo TEIAS (Tecnologia em Educação para Inclusão e Aprendizagem em Sociedade: http://www.ufrgs.br/teias/) procurou desenvolver uma tecnologia assistiva (sistema de varredura) e um estudo de caso com uma criança com Paralisia Cerebral e não oralizada, matriculada em uma escola regular do Rio Grande do Sul. A pesquisa teve como objetivo desenvolver um sistema de varredura para o SCALA (Sistema de Comunicação Alternativa para Letramento de Pessoas com Autismo: http://scala.ufrgs.br/siteScala/projetoScala/) de modo a possibilitar seu uso por pessoas com deficiência motora bem como compreender como ocorre o processo de inclusão de um aluno com Paralisia Cerebral na escola mediado por um sistema de comunicação alternativa. Participou do estudo uma criança com Paralisia Cerebral, duas professoras e seus colegas de turma (2 ciclo). A pesquisa foi desenvolvida com base na teoria sócio histórica, por entender que a estrutura humana é produto de um processo de desenvolvimento profundamente enraizado nas ligações entre a história individual e história social. A coleta foi realizada por meio de observações sistemáticas e entrevistas informais gravadas em vídeos com o complemento do diário de bordo. Assim, se desenvolveu um estudo de caso de caráter qualitativo que apresentou dois momentos de observação do sujeito, antes da introdução do sistema de Comunicação Alternativa e depois da introdução do mesmo. A pesquisa permitiu engendrar algumas pistas sobre a relação entre o uso da comunicação alternativa e o sujeito com Paralisia Cerebral no contexto da inclusão escolar. A partir dos resultados, ficou evidente que, embora a Paralisia Cerebral evidencie alguns limites motores, ao mesmo tempo, se percebe que é possível viabilizar a inclusão social, principalmente quando se imbrica o uso de novas tecnologias com a inclusão considerando que os meios de comunicação alternativa permitem dar voz às pessoas sem fala funcional quando há mediação e partilha entre uma rede de pessoas (professores, familiares, comunidade) e instituições que se disponibilizam a dar visibilidade à diversidade. / This research is linked to TEIAS project (Technology in Education Inclusion and Learning in Society: http://www.ufrgs.br/teias/). It sought to develop assistive technology (Scanning System) and a case study on the inclusion of a nonverbal child diagnosed with Cerebral Palsy enrolled in a regular school in Rio Grande do Sul. The research aimed at (1) contemplating users with motor disabilities in the use of SCALA (Alternative Communication System for Literacy of People with Autism: http://scala.ufrgs.br/siteScala/projetoScala/) by developing a scanning system as an additional means to access SCALA; and, (2) understanding the process of including a student with cerebral palsy at school whose communication is mediated by an alternative communication system. A nonverbal child with Cerebral Palsy, two teachers and her classmates (4th grade) participated in the study. The survey was developed based on historical social theory. Data were collected through systematic observations, informal interviews recorded on video and research notes. The qualitative case study comprised two phases: before and after the introduction of Alternative Communication System. The study engendered clues about the relationship between the use of alternative communication with subjects with Cerebral Palsy in the school context. Results show that although cerebral palsy imposes limits to body movements, it is possible to make social inclusion feasible for nonverbal people with Cerebral Palsy and to develop possibilities for social inclusion, especially through the use of new technologies for alternative communication which made interaction possible among a network of people (teachers, family, community) and institutions interested in giving visibility to diversity.

A presente pesquisa vinculada ao grupo TEIAS (Tecnologia em Educação para Inclusão e Aprendizagem em Sociedade: http://www.ufrgs.br/teias/) procurou desenvolver uma tecnologia assistiva (sistema de varredura) e um estudo de caso com uma criança com Paralisia Cerebral e não oralizada, matriculada em uma escola regular do Rio Grande do Sul. A pesquisa teve como objetivo desenvolver um sistema de varredura para o SCALA (Sistema de Comunicação Alternativa para Letramento de Pessoas com Autismo: http://scala.ufrgs.br/siteScala/projetoScala/) de modo a possibilitar seu uso por pessoas com deficiência motora bem como compreender como ocorre o processo de inclusão de um aluno com Paralisia Cerebral na escola mediado por um sistema de comunicação alternativa. Participou do estudo uma criança com Paralisia Cerebral, duas professoras e seus colegas de turma (2 ciclo). A pesquisa foi desenvolvida com base na teoria sócio histórica, por entender que a estrutura humana é produto de um processo de desenvolvimento profundamente enraizado nas ligações entre a história individual e história social. A coleta foi realizada por meio de observações sistemáticas e entrevistas informais gravadas em vídeos com o complemento do diário de bordo. Assim, se desenvolveu um estudo de caso de caráter qualitativo que apresentou dois momentos de observação do sujeito, antes da introdução do sistema de Comunicação Alternativa e depois da introdução do mesmo. A pesquisa permitiu engendrar algumas pistas sobre a relação entre o uso da comunicação alternativa e o sujeito com Paralisia Cerebral no contexto da inclusão escolar. A partir dos resultados, ficou evidente que, embora a Paralisia Cerebral evidencie alguns limites motores, ao mesmo tempo, se percebe que é possível viabilizar a inclusão social, principalmente quando se imbrica o uso de novas tecnologias com a inclusão considerando que os meios de comunicação alternativa permitem dar voz às pessoas sem fala funcional quando há mediação e partilha entre uma rede de pessoas (professores, familiares, comunidade) e instituições que se disponibilizam a dar visibilidade à diversidade. / This research is linked to TEIAS project (Technology in Education Inclusion and Learning in Society: http://www.ufrgs.br/teias/). It sought to develop assistive technology (Scanning System) and a case study on the inclusion of a nonverbal child diagnosed with Cerebral Palsy enrolled in a regular school in Rio Grande do Sul. The research aimed at (1) contemplating users with motor disabilities in the use of SCALA (Alternative Communication System for Literacy of People with Autism: http://scala.ufrgs.br/siteScala/projetoScala/) by developing a scanning system as an additional means to access SCALA; and, (2) understanding the process of including a student with cerebral palsy at school whose communication is mediated by an alternative communication system. A nonverbal child with Cerebral Palsy, two teachers and her classmates (4th grade) participated in the study. The survey was developed based on historical social theory. Data were collected through systematic observations, informal interviews recorded on video and research notes. The qualitative case study comprised two phases: before and after the introduction of Alternative Communication System. The study engendered clues about the relationship between the use of alternative communication with subjects with Cerebral Palsy in the school context. Results show that although cerebral palsy imposes limits to body movements, it is possible to make social inclusion feasible for nonverbal people with Cerebral Palsy and to develop possibilities for social inclusion, especially through the use of new technologies for alternative communication which made interaction possible among a network of people (teachers, family, community) and institutions interested in giving visibility to diversity.