This thesis is issued in collaboration with the Jet Propulsion Laboratory (JPL) in Pasadena, California. JPL's primary function is the construction and operation of robotic planetary spacecraft. At the time being JPL has 22 spacecraft and 10 instruments conducting active missions. The "Dark Ages" represent the last frontier in cosmology, the era between the genesis of the cosmic microwave background (CMB) and the formation of the first stars. During the Dark Ages, when the Universe was unlit by any star, the only detectable signal is likely to be that from neutral hydrogen (HI). The HI absorption occurs in dark matter-dominated overdensities, locations that will later become the birthplaces of the first stars. Tracing this evolution will provide crucial insights into the properties of dark matter and potentially reveal aspects of cosmic inflation. This could be accomplished using a radio telescope located on the far side of the Moon, the only site in the solar system shielded from human-generated interference and, at night, from solar radio emissions. Our objective has been the development of the concept of an autonomous rover that would be capable of deploying a large number of low frequency radio antennas on the lunar surface. This is an enabling task for the eventual creation of a radio telescope. The project at Halmstad University was divided into three sub-projects, where our area of responsibility has been the development of a concept of the rover's mobility system. The result of the project is the concept of a "Rocker-Bogie" suspension system, created in a 3D-environment. A concept which underwent a series of digital analyses and simulations to ensure the compliance with required specifications. / Detta examensarbete är utfört i samarbete med Jet Propulsion Laboratory (JPL) i Pasadena, Kalifornien. JPL's primära funktion är konstruktion och drift av robotiserade rymdfarkoster. För tillfället har JPL 22 rymdfarkoster och 10 instrument i aktiva uppdrag. Den "mörka tiden" representerar den sista utposten i kosmologi, eran mellan uppkomsten av den kosmiska bakgrundsstrålningen (CMB) och bildandet av de första stjärnorna. Under den "mörka tiden", när universum inte var upplyst av någon stjärna, var den enda detekterbara signalen sannolikt från neutralt väte (HI). HI-absorptionen sker i mörk materia-dominerade överdensiteter, platser som senare blir födelseplatserna för de första stjärnorna. Att spåra denna utveckling kommer att ge viktiga insikter i egenskaperna hos mörk materia och eventuellt ge information om universums expansion. Detta kan åstadkommas med hjälp av ett radioteleskop på baksidan av månen. Den enda platsen i vårt solsystem avskärmad från störningar från jorden, och på natten även från solens strålning. Vår uppgift har varit att utveckla ett koncept på en autonom rover som ska placera ut ett stort antal lågfrekvensantenner på månytan. Detta är ett nödvändigt steg för det eventuella anläggandet av ett radioteleskop. Projektet vid Högskolan i Halmstad delades upp i tre delprojekt, där vårt ansvarsområde har varit att utveckla ett koncept för roverns drivsystem. Resultatet av projektet ett koncept på ett "Rocker-Bogie"-hjulupphängningssystem, skapad i en 3D-miljö. Ett koncept som har genomgått en serie av digitala analyser och simuleringar för att säkerställa överensstämmelse med krav och önskemål.

Submitted by Irene Nascimento (irene.kessia@ufpe.br) on 2016-09-06T19:10:33Z No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) TESE_ISABELLE_YRUSKA_BRAGA_AVALIACAO_MODELO_GERENCIAMENTO_QUALIDADE_SISTEMA_MOBILIDADE_URBANA_METODO_ARGUMENTACAO_SISTEMI~1.pdf: 4127411 bytes, checksum: 9b32409287a30f245b7e5eefb9e189e7 (MD5) / Made available in DSpace on 2016-09-06T19:10:33Z (GMT). No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) TESE_ISABELLE_YRUSKA_BRAGA_AVALIACAO_MODELO_GERENCIAMENTO_QUALIDADE_SISTEMA_MOBILIDADE_URBANA_METODO_ARGUMENTACAO_SISTEMI~1.pdf: 4127411 bytes, checksum: 9b32409287a30f245b7e5eefb9e189e7 (MD5) Previous issue date: 2015-11-26 / O crescimento desordenado das cidades, atrelado à falta de planejamento e de gerenciamento urbano tem impedido o desenvolvimento sustentável da mobilidade urbana. A reversão desta tendência na direção da sustentabilidade passa pela integração da mobilidade urbana às demais políticas urbanas, com o objetivo maior de priorizar o cidadão na efetivação de seus anseios e necessidades, melhorando as condições gerais de deslocamento na cidade. Portanto, a ideia de mobilidade centrada nas pessoas é o ponto principal a ser considerado numa política de desenvolvimento urbano que busque a produção de cidades justas, de cidades para todos, que respeitem a liberdade fundamental de ir e vir, que possibilitem a satisfação individual e coletiva em atingir os destinos desejados, as necessidades e os prazeres cotidianos (BRASIL, 2006). De acordo com o Ministério das Cidades (BRASIL, 2006), quatro são os pilares da mobilidade sustentável: (1) planejamento integrado de transporte e uso do solo urbano; (2) melhoria do transporte coletivo urbano; (3) promoção da circulação não motorizada; (4) uso racional do automóvel. O objetivo principal da presente tese é verificar qual o modelo de gestão ideal da mobilidade urbana e confrontá-lo com o atual modelo verificado na Região Metropolitana de João Pessoa (RMJP). Através dos conceitos de mobilidade urbana e de sistema de mobilidade urbana aplicados ao seu gerenciamento recomendados por Macário (2011) e pelo Ministério das Cidades (2006), é utilizada a metodologia do pensamento sistêmico para se obter um diagnóstico do gerenciamento do sistema de mobilidade urbana da RMJP, Brasil. A construção deste diagnóstico baseou-se primeiramente na elaboração e aplicação de um questionário contendo 75 questões, aplicado a stakeholders (usuários, planejadores e operadores) do sistema de mobilidade urbana da Região Metropolitana de João Pessoa, que veio a fornecer 33 variáveis-chave para este diagnóstico e avaliação. Elas foram tratadas através do método do pensamento sistêmico, fazendo uso da ferramenta denominada SysLogic, programa computacional que apoia a construção de arquétipos sistêmicos que torna possível o diagnóstico do sistema, mostrando as variáveis estratégicas e suas relações causais, indicando onde agir para melhorar o sistema de mobilidade urbana. Os resultados foram analisados sob uma visão geral dos três grupos de stakeholders, sendo analisadas também as perspectivas individuais de cada grupo de atores sobre o sistema atual de gerenciamento da mobilidade urbana. A variável chave apontada nos arquétipos, sob a percepção dos stakeholders foi a “qualidade da cobertura de rede”, ou seja, uma melhor qualidade da cobertura de rede, provavelmente ocasionará uma melhor qualidade do sistema de mobilidade urbana para toda a população. / The uncontrolled growth of cities, linked to the lack of planning and urban management has prevented the sustainable development of urban mobility. The reversal of the inclination towards sustainability involves the integration of urban mobility to other urban policies, with the ultimate goal of prioritizing citizens in the fulfillment of their desires and needs, improving the general conditions of moving around the city. Therefore, the idea of people-centered mobility is the main point to be considered in an urban development policy that seeks the production of fair cities, cities for all, respecting the fundamental freedom to come and go, enabling individual and collective gratification in reaching desired destinations, necessities and everyday pleasures (BRAZIL, 2006). According to the ministry of cities (BRAZIL, 2006), there are four sustainable mobility pillars: (1) integrated transportation planning and urban land use; (2) improvement of urban public transport; (3) promoting non-motorized traffic; (4) rational use of automobiles. The present thesis has as its main aim, to verify what is the ideal urban mobility management model and contrast it to the current model being tested in the metropolitan area of João Pessoa. Using concepts for urban mobility, urban mobility system applied to the management of this system recommended by Macário (2011) and Ministry of Cities (2006), the methodology of system thinking is used to obtain a diagnosis of urban mobility system management in the metropolitan area of João Pessoa, Brazil. The construction of this diagnosis is based primarily on the development and implementation of a questionnaire containing 75 issues, applied to stakeholders (users, planners and operators) of the urban mobility system in the metropolitan area of the city, which provided 33 key variables for this diagnosis and evaluation. They were treated in the system thinking method, making use of a tool called Sys-logic, a computer program that supports the construction of systemic archetypes which makes it possible to diagnose the system, showing strategic variables and their causal relationships, indicating where to act to improve the urban mobility system. The results were analyzed under an overview of the three stakeholder groups, and the individual perspectives of each group of actors about the current system of urban mobility management were also analyzed. The variable key pointed out on the archetypes, under the perception of the stakeholders, was the “network coverage quality”, meaning, a better network coverage quality will probably entail a better quality management of the urban mobility system.

A major shift in our society is the one from a goods-dominant logic to a service-dominant one. Ownership becomes less important, while services from the area of sharing economy experience a rising demand. Municipalities and private companies are adapting and different shared mobility systems are emerging from their pursuit of new forms of mobility. In 2019, Augsburg created a shared mobility system where public transport, carsharing and bikesharing are all provided via one subscription. As this form of subscription does not have many customers yet, this thesis aims to first identify the system and research which reason and components motivate the people in Augsburg to use the system, as well as collecting different ideas for improvement. An expert interview was conducted with someone from the operator side and then customer interviews were held to get an insight from the customers’ point of view. This data was analyzed using tools from the area of information system as well as information architecture and the system was mapped out and discussed. The system was mapped out around the user and the connections were shown, which indicated that the user wants simplicity and clarity, as too many platforms and ways to book a mobility service was stated negatively.