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Risk criteria in occupational environments: critical overview and discussion

The current work can be seen as a starting point for the discussion of the problematic on risk acceptance criteria in occupational environments. Some obstacles to the quantitative acceptance criteria formulation and use were analyzed. A look to the long tradition of major hazards accidents was also performed. This work shows that organizations can have several difficulties in acceptance criteria formulation and...

Preparation of a textile and clothing company to lean implementation by identif...

This paper intends to identify ergonomic and environmental risks, in the different sectors of the Portuguese Textile and Clothing Industry (TCI). This identification will be used in order to have a better understanding of the risks in each sector of TCI. Knowing these risks, some more focused proposals oriented by a Lean methodology, could be recommended to eliminate them more rapidly. The Lean methodology to i...

How could the TRIZ tool help continuous improvement efforts of the companies?

Do lean methodologies include ergonomic tools?

This paper presents some methodologies for Lean implementation, highlighting which ergonomic tools are included in these methodologies. In order to achieve this, a review on ergonomic tools used to diagnostic work conditions was necessary. Being Lean Production, a well known work organizational model, widely implemented in all sort of industries and services companies in nowadays, it is important to include erg...

Automation & control remote laboratory : evaluating a cooperative methodology

This paper presents a study carried out in order to evaluate the students’ perception in the development and use of remote Control and Automation education kits developed by two Universities. Three projects, based on real world environments, were implemented, being local and remotely operated. Students implemented the kits using the theoretical and practical knowledge, being the teachers a catalyst in the lear...

Implementar o modelo de produção Lean na ITV : porquê e como?

O modelo de produção Lean é um modelo de organização da produção focado no cliente e na entrega atempada de produtos eliminando os desperdícios (i.e. atividades que não acrescentam valor ao produto) para, desta forma, reduzir os custos e aumentar a produtividade. Lean Production utiliza ferramentas que vão permitir a melhoria dos processos e dos fluxos de materiais, de informação e de pessoas. Este artigo apres...

A support tool for teaching grafcet : engineering students' perceptions

Modeling discrete event systems with sequential behavior can be a very hard and complex task. Some formalisms are used in this context, such as: Petri Nets, Statecharts, Finite automata, Grafcet and others. Among these, Grafcet seems to be a good choice because it is easy: to learn, to understand and to use. Teaching Grafcet is then relevant within engineering courses concerned with Industrial Automation. A vir...

K-12, university students and robots : an early start

This paper describes a study carried out with K-12 students. This study proposes to understand the motivation of these students in the use of robots in the Project Area curricular unit and whether they want to continue their studies in technology areas. K-12 students participated in the RoboParty® event, where the main task is to assemble and program a robot. In other words, the students, in a simple and entert...

Metodologias para implementar Lean Production : uma revisão critica de literatura

Neste artigo pretende-se fazer uma revisão crítica de literatura sobre metodologias para implementar Lean Production. Lean Production é um modelo de organização da produção focado no cliente que procura a eliminação dos desperdícios (actividades que não acrescentam valor ao produto) e a entrega atempada de produtos, trazendo muitos benefícios para as empresas. O Lean Production utiliza ferramentas que vão permi...

A lining for the thermal comfort of trekking boots - experimental and numerical...

In this paper, a study on the design and development of functional shoe linings that are thermally comfortable is presented. The comfort of foot wear, in this case, trekking boots, that is perceived by the user greatly depends on the ability of the boot to maintain the foot surface in an equilibrium state in terms of thermo-physiological comfort (Schols et al., 2004). This is related to the capacity of removing...