Scheduling the repair of aircraft components - a case study

In aircraft components maintenance shops, components are distributed amongst repair groups and their respective technicians based on the type of repair, on the technicians skills and workload, and on the customer required dates. This distribution planning is typically done in an empirical manner based on the group leader’s past experience. Such a procedure does not provide any performance guarantees, leading frequently to undesirable delays on the delivery of the aircraft components. Among others, a fundamental challenge faced by the group leaders is to decide how to distribute the components that arrive without customer required dates. This paper addresses the problems of prioritizing the randomly arriving of aircraft components (with or without pre-assigned customer required dates) and of optimally distributing them amongst the technicians of the repair groups. We proposed a formula for prioritizing the list of repairs, pointing out the importance of selecting good estimators for the interarrival times between repair requests, the turn-around-times and the man hours for repair. In addition, a model for the assignment and scheduling problem is designed and a preliminary algorithm along with a numerical illustration is presented.

Histoire et projet dans la valorisation du patrimoine de la soie : Le Filatoio di Caraglio (Coni. Italie) et le Real Filatório de Chacim (Trás-os-Montes, Portugal)

O objetivo deste trabalho é explorar a temática da valorização do patrimônio arquitetónico, herdado pela indústria da seda, baseando-se na história das técnicas, na gestão e na valorização do patrimônio industrial. É a partir do estudo de duas fábricas de seda na Europa: o Filatoio di Caraglio em Itália (data de construção: 1676-1678) e o Real Filatório de Chacim em Portugal (data de construção: 1788) que serão discutidas as estratégias encontradas para a conservação/restauração dos dois casos em questão, com base em suas histórias e contextos atuais. O Filatoio di Caraglio é uma das fábricas de seda mais antigas da Europa tendo como técnica o moinho alia piemontese publicado na Encyclopédie como uma das melhores invenções. No caso do Real Filatório de Chacim, constata-se que a introdução deste moinho por meio de técnicos italianos constituiu uma transferência tecnológica entre os dois países. RÉSUMÉ: L'objective de ce travail est d'explorer la thématique de la mise en valeur du patrimoine architectural hérité de industrie de la soie en se basent sur l'histoire des techniques, la gestion et la valorisation du patrimoine industriei. C'est à partir de l'étude de deux fabriques à soie en Europe: le Filatoio di Caraglio en Italie (date de construction: 1676-1678) et le Real Filatório de Chacim au Portugal (date de construction: 1788) que sont discutées les stratégies employées pour la conservation/restauration de ces deux cas basées sur leur histoire et sur les contextes actuels. Le Filatoio di Caraglio est une des soieries plus anciennes de l'Europe et était caractérisée par une technique du moulin alla piemontese publié dans l'Encyclopédie come une des meilleures inventions. Dans le cas du Real Filatório de Chacim, on constate que l'introduction de ce type de moulin par des techniciens italiens a constitué un transfert technique entre les deux pays. ABSTRACT: The purpose of this research is to examine the enhancement of architectural heritage inherited from the silk industry, focusing on technical history, and the management and valorization of industrial heritage. Conservation/restoration strategies are discussed by analyzing solutions proposed in two European silk mills: The Filatoio di Caraglio, in Italy (date of construction: 1676-1678) and the Real Filatório de Chacim, in Portugal (date of construction: 1788), taking into consideration their histories and current context. While the former is one of the oldest European silk mills, employing the alla piemontese technique, which was praised by the Encyclopédie, the latter was set up by ltalian technicians, establishing a technology transfer between the two countries.

A qualidade da comunicação dos técnicos e auxiliares de ressonância magnética num serviço de radiologia: um programa de intervenção

O presente estudo preliminar teve como finalidade analisar a qualidade da comunicação dos técnicos e auxiliares de ação médica nos exames de Ressonância Magnética, partindo da observação da linguagem verbal e não-verbal. Por analogia com outros domínios, desenvolveu-se um programa de intervenção que incidiu na formação dos técnicos e auxiliares ação médica do Serviço de Radiologia de um hospital público. Recorrendo a uma grelha de observação, avaliou-se o efeito do treino de competências no aumento dos comportamentos adequados durante as Ressonâncias Magnéticas. De uma forma geral, os resultados analisados demonstraram que a formação teve um efeito significativo nos técnicos e nos auxiliares das ressonâncias magnéticas, originando mudanças positivas no local de trabalho, tal como o desenvolvimento de uma relação mais adequada com os doentes que potencie o sucesso do diagnóstico; "Analysis of communication quality of technicians and auxiliaries of MRI radiology service" Abstract: With this preliminary study, we intented to analyze the quality of communication in magnetic resonance imaging exams, starting from the observation of verbal and non-verbal language. By analogy with other areas, it was developed an intervention program focused on the training of technicians and operational assistants of the Radiology service of public hospital. Using a grid note, we assessed the effect of skills training in the increased of appropriate behaviour during the MRIs. In General, the results examined showed that the training had a significant effect on operational assistants and technicians of MRIs, resulting in positive changes in the workplace, such as developing a proper relationship with patients to promote the success of the diagnosis.

MOTIVATION AND SATISFACTION IN CONTEXT OF JOB TRAINING IN TOURIST ORGANIZATIONS

This research aims to determine the dimensions of motivation and satisfaction, acquired, through the perception in context of job training, by future technicians (students) in the hospitality and tourism industry, particularly by technical courses in the hotel and restaurant sector. The methodology comprises three distinct stages. First were recovered instruments (questionnaires), already validated by other authors of motivation and satisfaction, which had the intention to replicate studies conducted in other scientific knowledge fields, such as tourism. Those instruments were recovered from the reviewed literature conducted about other themes. On second place the measuring instruments were submitted to a pre-test, or rather, were subject of a pioneer study, in order to verify other assumptions such as semantic errors or see if there was the possibility of some prepared questions to be consider invalidated by poor formulation or interpretation. Finally, were applied in three educational institutions who agreed to cooperate on the research, with the reservation that the interviewed needed a mandatory pre-requirement that consisted in conducting a minimum training in work context (TWC). Then, proceed the statistical analysis to support all the empirical part. The results show that, in general, motivation and satisfaction were present during the period of training in work context. To some people it meant a very important period of personal and professional life, concerning the interactions, emotions and involvement with touristic organizations but also the personal and social relationships.