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Somatic multicomorbidity and disability in patients with psychiatric disorders in comparison to the general population: a quasi-epidemiological investigation in 54,826 subjects from 40 countries (COMET-G study)
- Konstantinos N. Fountoulakis, Grigorios N. Karakatsoulis, Seri Abraham, Kristina Adorjan, Helal Uddin Ahmed, Renato D. Alarcón, Kiyomi Arai, Sani Salihu Auwal, Michael Berk, Sarah Bjedov, Julio Bobes, Teresa Bobes-Bascaran, Julie Bourgin-Duchesnay, Cristina Ana Bredicean, Laurynas Bukelskis, Akaki Burkadze, Indira Indiana Cabrera Abud, Ruby Castilla-Puentes, Marcelo Cetkovich, Hector Colon-Rivera, Ricardo Corral, Carla Cortez-Vergara, Piirika Crepin, Domenico De Berardis, Sergio Zamora Delgado, David De Lucena, Avinash De Sousa, Ramona Di Stefano, Seetal Dodd, Livia Priyanka Elek, Anna Elissa, Berta Erdelyi-Hamza, Gamze Erzin, Martin J. Etchevers, Peter Falkai, Adriana Farcas, Ilya Fedotov, Viktoriia Filatova, Nikolaos K. Fountoulakis, Iryna Frankova, Francesco Franza, Pedro Frias, Tatiana Galako, Cristian J. Garay, Leticia Garcia-Álvarez, Maria Paz García-Portilla, Xenia Gonda, Tomasz M. Gondek, Daniela Morera González, Hilary Gould, Paolo Grandinetti, Arturo Grau, Violeta Groudeva, Michal Hagin, Takayuki Harada, Tasdik M. Hasan, Nurul Azreen Hashim, Jan Hilbig, Sahadat Hossain, Rossitza Iakimova, Mona Ibrahim, Felicia Iftene, Yulia Ignatenko, Matias Irarrazaval, Zaliha Ismail, Jamila Ismayilova, Asaf Jakobs, Miro Jakovljević, Nenad Jakšić, Afzal Javed, Helin Yilmaz Kafali, Sagar Karia, Olga Kazakova, Doaa Khalifa, Olena Khaustova, Steve Koh, Svetlana Kopishinskaia, Korneliia Kosenko, Sotirios A. Koupidis, Illes Kovacs, Barbara Kulig, Alisha Lalljee, Justine Liewig, Abdul Majid, Evgeniia Malashonkova, Khamelia Malik, Najma Iqbal Malik, Gulay Mammadzada, Bilvesh Mandalia, Donatella Marazziti, Darko Marčinko, Stephanie Martinez, Eimantas Matiekus, Gabriela Mejia, Roha Saeed Memon, Xarah Elenne Meza Martínez, Dalia Mickevičiūtė, Roumen Milev, Muftau Mohammed, Alejandro Molina-López, Petr Morozov, Nuru Suleiman Muhammad, Filip Mustač, Mika S. Naor, Amira Nassieb, Alvydas Navickas, Tarek Okasha, Milena Pandova, Anca-Livia Panfil, Liliya Panteleeva, Ion Papava, Mikaella E. Patsali, Alexey Pavlichenko, Bojana Pejuskovic, Mariana Pinto Da Costa, Mikhail Popkov, Dina Popovic, Nor Jannah Nasution Raduan, Francisca Vargas Ramírez, Elmars Rancans, Salmi Razali, Federico Rebok, Anna Rewekant, Elena Ninoska Reyes Flores, María Teresa Rivera-Encinas, Pilar Saiz, Manuel Sánchez de Carmona, David Saucedo Martínez, Jo Anne Saw, Görkem Saygili, Patricia Schneidereit, Bhumika Shah, Tomohiro Shirasaka, Ketevan Silagadze, Satti Sitanggang, Oleg Skugarevsky, Anna Spikina, Sridevi Sira Mahalingappa, Maria Stoyanova, Anna Szczegielniak, Simona Claudia Tamasan, Giuseppe Tavormina, Maurilio Giuseppe Maria Tavormina, Pavlos N. Theodorakis, Mauricio Tohen, Eva Maria Tsapakis, Dina Tukhvatullina, Irfan Ullah, Ratnaraj Vaidya, Johann M. Vega-Dienstmaier, Jelena Vrublevska, Olivera Vukovic, Olga Vysotska, Natalia Widiasih, Anna Yashikhina, Panagiotis E. Prezerakos, Daria Smirnova
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- CNS Spectrums / Volume 29 / Issue 2 / April 2024
- Published online by Cambridge University Press:
- 25 January 2024, pp. 126-149
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Background
The prevalence of medical illnesses is high among patients with psychiatric disorders. The current study aimed to investigate multi-comorbidity in patients with psychiatric disorders in comparison to the general population. Secondary aims were to investigate factors associated with metabolic syndrome and treatment appropriateness of mental disorders.
MethodsThe sample included 54,826 subjects (64.73% females; 34.15% males; 1.11% nonbinary gender) from 40 countries (COMET-G study). The analysis was based on the registration of previous history that could serve as a fair approximation for the lifetime prevalence of various medical conditions.
ResultsAbout 24.5% reported a history of somatic and 26.14% of mental disorders. Mental disorders were by far the most prevalent group of medical conditions. Comorbidity of any somatic with any mental disorder was reported by 8.21%. One-third to almost two-thirds of somatic patients were also suffering from a mental disorder depending on the severity and multicomorbidity. Bipolar and psychotic patients and to a lesser extent depressives, manifested an earlier (15–20 years) manifestation of somatic multicomorbidity, severe disability, and probably earlier death. The overwhelming majority of patients with mental disorders were not receiving treatment or were being treated in a way that was not recommended. Antipsychotics and antidepressants were not related to the development of metabolic syndrome.
ConclusionsThe finding that one-third to almost two-thirds of somatic patients also suffered from a mental disorder strongly suggests that psychiatry is the field with the most trans-specialty and interdisciplinary value and application points to the importance of teaching psychiatry and mental health in medical schools and also to the need for more technocratically oriented training of psychiatric residents.
Eating frequency and weight and body composition: a systematic review of observational studies
- Raquel Canuto, Anderson da Silva Garcez, Gilberto Kac, Pedro Israel Cabral de Lira, Maria Teresa Anselmo Olinto
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- Journal:
- Public Health Nutrition / Volume 20 / Issue 12 / August 2017
- Published online by Cambridge University Press:
- 05 June 2017, pp. 2079-2095
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Objective
The present review aimed to examine the association of eating frequency with body weight or body composition in adults of both sexes.
DesignPubMed, EMBASE and Scopus databases were searched. PRISMA and MOOSE protocols were followed. Observational studies published up to August 2016 were included. The methodological quality of the studies was assessed with the Downs and Black checklist.
SettingA systematic review of the literature.
SubjectsAdults (n 136 052); the majority of studies were developed in the USA and Europe.
ResultsThirty-one articles were included in the review: two prospective and twenty-nine cross-sectional studies. Thirteen per cent of the studies received quality scores above 80 %. The assessment of eating frequency and body composition or body weight varied widely across the studies. Potential confounders were included in 73 % of the studies. Fourteen studies reported an inverse association between eating frequency and body weight or body composition, and seven studies found a positive association. The majority of studies applied multiple analyses adjusted for potential confounders, such as sex, age, education, income, smoking, physical activity and alcohol intake. Six studies took into account under-reporting of eating frequency and/or energy intake in the analysis, and one investigated the mediation effect of energy intake.
ConclusionsThere is not sufficient evidence confirming the association between eating frequency and body weight or body composition when misreporting bias is taken into account. However, in men, a potential protective effect of high eating frequency was observed on BMI and visceral obesity.
The role of physical variables in biodiversity patterns of intertidal macroalgae along European coasts
- Araceli Puente, Xabier Guinda, Jose A. Juanes, Elvira Ramos, Beatriz Echavarri-Erasun, Camino F. De La Hoz, Steven Degraer, Francis Kerckhof, Natalia Bojanić, Maria Rousou, Helen Orav-Kotta, Jonne Kotta, Jérôme Jourde, Maria Luiza Pedrotti, Jean-Charles Leclerc, Nathalie Simon, Guy Bachelet, Nicolas Lavesque, Christos Arvanitidis, Christina Pavloudi, Sarah Faulwetter, Tasman P. Crowe, Jennifer Coughlan, Lisandro Benedetti Cecchi, Martina Dal Bello, Paolo Magni, Serena Como, Stefania Coppa, Giuseppe Andrea De Lucia, Tomas Rugins, Emilia Jankowska, Jan Marcin Weslawski, Jan Warzocha, Teresa Silva, Pedro Ribeiro, Valentina De Matos, Isabel Sousa-Pinto, Jesús Troncoso, Ohad Peleg, Gil Rilov, Free Espinosa, Angel Pérez Ruzafa, Matt Frost, Herman Hummel, Pim Van Avesaath
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- Journal of the Marine Biological Association of the United Kingdom / Volume 97 / Issue 3 / May 2017
- Published online by Cambridge University Press:
- 15 December 2016, pp. 549-560
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In the frame of the COST ACTION ‘EMBOS’ (Development and implementation of a pan-European Marine Biodiversity Observatory System), coverage of intertidal macroalgae was estimated at a range of marine stations along the European coastline (Subarctic, Baltic, Atlantic, Mediterranean). Based on these data, we tested whether patterns in macroalgal diversity and distribution along European intertidal rocky shores could be explained by a set of meteo-oceanographic variables. The variables considered were salinity, sea surface temperature, photosynthetically active radiation, significant wave height and tidal range and were compiled from three different sources: remote sensing, reanalysis technique and in situ measurement. These variables were parameterized to represent average conditions (mean values), variability (standard deviation) and extreme events (minimum and maximum values). The results obtained in this study contribute to reinforce the EMBOS network approach and highlight the necessity of considering meteo-oceanographic variables in long-term assessments. The broad spatial distribution of pilot sites has allowed identification of latitudinal and longitudinal gradients manifested through species composition, diversity and dominance structure of intertidal macroalgae. These patterns follow a latitudinal gradient mainly explained by sea surface temperature, but also by photosynthetically active radiation, salinity and tidal range. Additionally, a longitudinal gradient was also detected and could be linked to wave height.
Consistent patterns of spatial variability between NE Atlantic and Mediterranean rocky shores
- Martina Dal Bello, Jean-Charles Leclerc, Lisandro Benedetti-Cecchi, Giuseppe Andrea De Lucia, Christos Arvanitidis, Pim Van Avesaath, Guy Bachelet, Natalia Bojanic, Serena Como, Stefania Coppa, Jennifer Coughlan, Tasman Crowe, Steven Degraer, Free Espinosa, Sarah Faulwetter, Matt Frost, Xabier Guinda, Emilia Jankowska, Jérôme Jourde, Jose Antonio Juanes De La Pena, Francis Kerckhof, Jonne Kotta, Nicolas Lavesque, Paolo Magni, Valentina De Matos, Helen Orav-Kotta, Christina Pavloudi, Maria Luiza Pedrotti, Ohad Peleg, Angel Pérez-Ruzafa, Araceli Puente, Pedro Ribeiro, Fabienne Rigaut-Jalabert, Gil Rilov, Maria Rousou, Marcos Rubal, Tomas Ruginis, Teresa Silva, Nathalie Simon, Isabel Sousa-Pinto, Jesús Troncoso, Jan Warzocha, Jan Marcin Weslawski, Herman Hummel
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- Journal of the Marine Biological Association of the United Kingdom / Volume 97 / Issue 3 / May 2017
- Published online by Cambridge University Press:
- 11 November 2016, pp. 539-547
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Examining how variability in population abundance and distribution is allotted among different spatial scales can inform of processes that are likely to generate that variability. Results of studies dealing with scale issues in marine benthic communities suggest that variability is concentrated at small spatial scales (from tens of centimetres to few metres) and that spatial patterns of variation are consistent across ecosystems characterized by contrasting physical and biotic conditions, but this has not been formally tested. Here we quantified the variability in the distribution of intertidal rocky shore communities at a range of spatial scales, from tens of centimetres to thousands of kilometres, both in the NE Atlantic and the Mediterranean, and tested whether the observed patterns differed between the two basins. We focused on canopy-forming macroalgae and associated understorey assemblages in the low intertidal, and on the distribution of Patella limpets at mid intertidal levels. Our results highlight that patterns of spatial variation, at each scale investigated, were consistent between the Atlantic and the Mediterranean, suggesting that similar ecological processes operate in these regions. In contrast with former studies, variability in canopy cover, species richness and limpet abundance was equally distributed among spatial scales, possibly reflecting the fingerprint of multiple processes. Variability in community structure of low intertidal assemblages, instead, peaked at the largest scale, suggesting that oceanographic processes and climatic gradients may be important. We conclude that formal comparisons of variability across scales nested in contrasting systems are needed, before any generalization on patterns and processes can be made.
Essence of the patterns of cover and richness of intertidal hard bottom communities: a pan-European study
- Jonne Kotta, Helen Orav-Kotta, Holger Jänes, Herman Hummel, Christos Arvanitidis, Pim Van Avesaath, Guy Bachelet, Lisandro Benedetti-Cecchi, Natalia Bojanić, Serena Como, Stefania Coppa, Jennifer Coughlan, Tasman Crowe, Martina Dal Bello, Steven Degraer, Jose Antonio Juanes De La Pena, Valentina Kirienko Fernandes De Matos, Free Espinosa, Sarah Faulwetter, Matt Frost, Xabier Guinda, Emilia Jankowska, Jérôme Jourde, Francis Kerckhof, Nicolas Lavesque, Jean-Charles Leclerc, Paolo Magni, Christina Pavloudi, Maria Luiza Pedrotti, Ohad Peleg, Angel Pérez-Ruzafa, Araceli Puente, Pedro Ribeiro, Gil Rilov, Maria Rousou, Tomas Ruginis, Teresa Silva, Nathalie Simon, Isabel Sousa-Pinto, Jesús Troncoso, Jan Warzocha, Jan Marcin Weslawski
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- Journal of the Marine Biological Association of the United Kingdom / Volume 97 / Issue 3 / May 2017
- Published online by Cambridge University Press:
- 04 October 2016, pp. 525-538
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Coastal ecosystems are highly complex and driven by multiple environmental factors. To date we lack scientific evidence for the relative contribution of natural and anthropogenic drivers for the majority of marine habitats in order to adequately assess the role of different stressors across the European seas. Such relationship can be investigated by analysing the correlation between environmental variables and biotic patterns in multivariate space and taking into account non-linearities. Within the framework of the EMBOS (European Marine Biodiversity Observatory System) programme, hard bottom intertidal communities were sampled in a standardized way across European seas. Links between key natural and anthropogenic drivers and hard bottom communities were analysed using Boosted Regression Trees modelling. The study identified strong interregional variability and showed that patterns of hard bottom macroalgal and invertebrate communities were primarily a function of tidal regime, nutrient loading and water temperature (anomalies). The strength and shape of functional form relationships varied widely however among types of organisms (understorey algae composing mostly filamentous species, canopy-forming algae or sessile invertebrates) and aggregated community variables (cover or richness). Tidal regime significantly modulated the effect of nutrient load on the cover and richness of understorey algae and sessile invertebrates. In contrast, hydroclimate was more important for canopy algae and temperature anomalies and hydroclimate separately or interactively contributed to the observed patterns. The analyses also suggested that climate-induced shifts in weather patterns may result in the loss of algal richness and thereby in the loss of functional diversity in European hard bottom intertidal areas.
Geographic patterns of biodiversity in European coastal marine benthos
- Herman Hummel, Pim Van Avesaath, Sander Wijnhoven, Loran Kleine-Schaars, Steven Degraer, Francis Kerckhof, Natalia Bojanic, Sanda Skejic, Olja Vidjak, Maria Rousou, Helen Orav-Kotta, Jonne Kotta, Jérôme Jourde, Maria Luiza Pedrotti, Jean-Charles Leclerc, Nathalie Simon, Fabienne Rigaut-Jalabert, Guy Bachelet, Nicolas Lavesque, Christos Arvanitidis, Christina Pavloudi, Sarah Faulwetter, Tasman Crowe, Jennifer Coughlan, Lisandro Benedetti-Cecchi, Martina Dal Bello, Paolo Magni, Serena Como, Stefania Coppa, Anda Ikauniece, Tomas Ruginis, Emilia Jankowska, Jan Marcin Weslawski, Jan Warzocha, Sławomira Gromisz, Bartosz Witalis, Teresa Silva, Pedro Ribeiro, Valentina Kirienko Fernandes De Matos, Isabel Sousa-Pinto, Puri Veiga, Jesús Troncoso, Xabier Guinda, Jose Antonio Juanes De La Pena, Araceli Puente, Free Espinosa, Angel Pérez-Ruzafa, Matt Frost, Caroline Louise Mcneill, Ohad Peleg, Gil Rilov
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- Journal of the Marine Biological Association of the United Kingdom / Volume 97 / Issue 3 / May 2017
- Published online by Cambridge University Press:
- 14 September 2016, pp. 507-523
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Within the COST action EMBOS (European Marine Biodiversity Observatory System) the degree and variation of the diversity and densities of soft-bottom communities from the lower intertidal or the shallow subtidal was measured at 28 marine sites along the European coastline (Baltic, Atlantic, Mediterranean) using jointly agreed and harmonized protocols, tools and indicators. The hypothesis tested was that the diversity for all taxonomic groups would decrease with increasing latitude. The EMBOS system delivered accurate and comparable data on the diversity and densities of the soft sediment macrozoobenthic community over a large-scale gradient along the European coastline. In contrast to general biogeographic theory, species diversity showed no linear relationship with latitude, yet a bell-shaped relation was found. The diversity and densities of benthos were mostly positively correlated with environmental factors such as temperature, salinity, mud and organic matter content in sediment, or wave height, and related with location characteristics such as system type (lagoons, estuaries, open coast) or stratum (intertidal, subtidal). For some relationships, a maximum (e.g. temperature from 15–20°C; mud content of sediment around 40%) or bimodal curve (e.g. salinity) was found. In lagoons the densities were twice higher than in other locations, and at open coasts the diversity was much lower than in other locations. We conclude that latitudinal trends and regional differences in diversity and densities are strongly influenced by, i.e. merely the result of, particular sets and ranges of environmental factors and location characteristics specific to certain areas, such as the Baltic, with typical salinity clines (favouring insects) and the Mediterranean, with higher temperatures (favouring crustaceans). Therefore, eventual trends with latitude are primarily indirect and so can be overcome by local variation of environmental factors.
The Cuban Twin Registry: Initial Findings and Perspectives
- Beatriz Marcheco-Teruel, Marcia Cobas-Ruiz, Niviola Cabrera-Cruz, Araceli Lantigua-Cruz, Elsa García-Castillo, Roberto Lardoeyt-Ferrer, Zoe Robaina-Jiménez, Evelyn Fuentes-Smith, Francisco Morales-Calatayud, María Teresa Lemus-Valdés, Miriam Portuondo-Sao, Lenier Comas-Pérez, Juan M. Pérez-Crispí, Thais Díaz-De Villal Villa, Emelia Icart-Perera, Aida Jordán-Hernández, Agustín Lage-Castellanos, Sergio Rabell-Piera, Juan de Jesús Llibre-Rodríguez, Pedro Valdés-Sosa, Mitchell Valdés-Sosa
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- Journal:
- Twin Research and Human Genetics / Volume 16 / Issue 1 / February 2013
- Published online by Cambridge University Press:
- 11 December 2012, pp. 98-103
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The Cuban Twin Registry is a nation-wide, prospective, population-based twin registry comprising all zygosity types and ages. It was initiated in 2004 to study genetic and environmental contributions to complex diseases with high morbidity and mortality in the Cuban population. The database contains extensive information from 55,400 twin pairs enrolled in the period 2004–2006. Additionally, 2,600 new multiple births have been included from 2007 to date. In the past 4 years, more than 130 studies have been carried out using the registry with a classical genetic epidemiological approach in which concordance rates for monozygotic and dizygotic twins and heritability of various disease traits were estimated. This article summarizes the history, registry's methodology, recent research findings, and future directions of work.
Contributors
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- By R. J. Aitken, Gokhan Akkoyunlu, David F. Albertini, Christiani A. Amorim, R. A. Anderson, Baris Ata, Pedro N. Barri, Mohamed A. Bedaiwy, Rosita Bergström, Veronica Bianchi, Montserrat Boada, Paolo Boffetta, Andrea Borini, Karina Braga Ribeiro, Peter R. Brinsden, Ralph L. Brinster, Jason G. Bromer, A. L. Caplan, Chian Ri-Cheng, Ina N. Cholst, A. Ciobanu, Megan Clowse, Ana Cobo, Susannah C. Copland, John K. Critser, B. J. Curry, Giuseppe Del Priore, M. De Vos, Marie-Madeleine Dolmans, Javier Domingo, Jacques Donnez, David H. Edgar, Nanette R. Elster, Carol Fabian, Gregory M. Fahy, Tommaso Falcone, Debra Friedman, Jill P. Ginsberg, Debra A. Gook, Julie R. Gralow, Elizabeth Grill, Sebastien Gouy, Xu Han, Lisa M. Harlan-Williams, Outi Hovatta MD, Wayland Hsiao, Zhongwei Huang, E. Isachenko, V. Isachenko, Roy A. Jensen, I. I. Katkov, S. Samuel Kim, Jennifer Klemp, Larissa A. Korde, R. Kreienberg, Srinivasan Krishnamurthy, Juergen Liebermann, J. Ryan Martin, Elizabeth A. McGee, Marie McLaughlin, P. Mathevet, D. Meirow, Philippe Morice, Steven F. Mullen, Kutluk Oktay, Pasquale Patrizio, Antonio Pellicer, Pinki K. Prasad, Kenny A. Rodriguez-Wallberg, Erin Rohde, Allison B. Rosen, Zev Rosenwaks, María Sánchez, R. Sanchez, Glenn L. Schattman, Peter N. Schlegel, Einat Shalom-Paz, Lonnie D. Shea, Gunapala Shetty, Jill Simmons, Carrie A. Smith, J. Smitz, Miquel Solé, Jean Squifflet, Shane R. Stecklein, Jerome F. Strauss, David J. Tagler, Seang Lin Tan, Evelyn E. Telfer, Sreedhar Thirumala, Michael J. Tucker, Catherine Uzan, Anne Van Langendonckt, Anna Veiga, W. H. B. Wallace, Wenjia Wang, Brent Waters, Dagan Wells, Teresa K. Woodruff, Erik Woods, Christine Wyns
- Edited by Jacques Donnez, Université Catholique de Louvain, Belgium, S. Samuel Kim, University of Kansas
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- Principles and Practice of Fertility Preservation
- Published online:
- 04 February 2011
- Print publication:
- 03 February 2011, pp x-xiv
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Cartography For Cooperative Manoeuvres With Autonomous Land Vehicles
- Javier Alonso, Vicente Milanés, Enrique Onieva, Joshué Pérez, Carlos González, Teresa de Pedro
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- Journal:
- The Journal of Navigation / Volume 64 / Issue 1 / January 2011
- Published online by Cambridge University Press:
- 26 November 2010, pp. 141-155
- Print publication:
- January 2011
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This article presents a cartographic system to facilitate cooperative manoeuvres among autonomous vehicles in a well-known environment. The main objective is to design an extended cartographic system to help in the navigation of autonomous vehicles. This system has to allow the vehicles not only to access the reference points needed for navigation, but also noticeable information such as the location and type of traffic signals, the proximity to a crossing, the streets en route, etc. To do this, a hierarchical representation of the information has been chosen, where the information has been stored in two levels. The lower level contains the archives with the Universal Traverse Mercator (UTM) coordinates of the points that define the reference segments to follow. The upper level contains a directed graph with the relational database in which streets, crossings, roundabouts and other points of interest are represented. Using this new system it is possible to know when the vehicle approaches a crossing, what other paths arrive at that crossing, and, should there be other vehicles circulating on those paths and arriving at the crossing, which one has the highest priority. The data obtained from the cartographic system is used by the autonomous vehicles for cooperative manoeuvres.
Autonomous vehicle based in cooperative GPS and inertial systems
- Vicente Milanés, José E. Naranjo, Carlos González, Javier Alonso, Teresa de Pedro
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A system including Global Positioning Systems (GPS) and digital cartography is a good solution to carry out vehicle's guidance. However, it has inconveniences like high sensibility to multipath and interference when the GPS signal is blocked by external agents. Another system is mandatory to avoid this error. This paper presents a cooperative system based on GPS and Inertial Navigation Systems (INS) for automated vehicle position. The control system includes a decision unit to choose which value is the correct. In case GPS is working at top precision, it takes the control. On the other part, GPS signal can be lost and inertial control system guides the car in this occasion. A third possibility is contemplated: we receive the signal from GPS but the accuracy is over one meter. Now, position value is obtained by means of both systems. Experimental results analyze two situations: guidance in an urban area where GPS signal can be occluded by buildings or trees during short time intervals and the possibility of loss of the signal in long time to simulate the circulation in tunnels. Good results have been observed in tests and it demonstrates how a cooperative system improves the automated vehicle guidance.