In this paper the effect on energy consumption and pollution of fuzzy automatic control of a rotary kiln is investigated. The computer-based fuzzy control system is installed at the Larko ferronickel plant in Larymna, Greece, by the Danish firm F .L. Smidth & Co. A/S. Operation characteristics for the manual operation against automatic control are defined and compared. Preliminary results show ...

ORTEC is a Netherlands-based software company selling decision support systems based on operations research models. One of her products is HARMONY, a workforce scheduling package. We developed a model to predict its return on investment for a specific customer. The model uses a database of reference implementations to find organizations that are similar to the prospective customer’s organizatio...

Driven by foreign investment, tourism in the archipelago of Zanzibar has experienced substantial growth over the last thirty years. Even though it was meant to promote local employment and economic development, foreigners – and Europeans in particular – remained the largest investors as well as the primary benefi ciaries. Tourism development has created new employment opportunities, but it has ...

BACKGROUND Optimisation of the process and outcomes of service user involvement in research is dependent on understanding current practice, challenges and opportunities. AIMS To describe activities, roles and experiences of service users involved in mental health research. METHOD National cross-sectional online questionnaire survey, using snowball sampling. Descriptive statistics and framew...

To address health systems challenges in limited-resource settings, global health initiatives, particularly the President's Emergency Plan for AIDS Relief, have seconded health workers to the public sector. Implementation considerations for secondment as a health workforce development strategy are not well documented. The purpose of this article is to present outcomes, best practices, and lesson...

In this paper, two kinds of portfolio selection models are proposed based on fuzzy probabilities and possibility distributions, respectively, rather than conventional probability distributions in Markowitz’s model. Since fuzzy probabilities and possibility distributions are obtained depending on possibility grades of security data o ered by experts, investment experts’ knowledge can be re ected...

Empirical studies show that individual investors do not always behave rationally and do not use standard investment portfolio selection tasks. In this paper we focus on investor choices and the basic elements affecting them. The paper presents optimization model based on a measure of investor satisfaction. The model is created on the basis of surveys conducted among Polish individual investors....

We conducted a follow-up analysis of the implementation of the Human Resources for Health (HRH) commitments made by country governments and other actors at the Third Global Forum on HRH in 2013. Since then member states of the WHO endorsed Universal Health Coverage as the main policy objective whereby health systems strengthening, including reinforcement of the health workforce, can contribute ...

The facility site selection is important for the decision-maker/leader of the multinational enterprises. In order to increase efficiency of decision-making ability of managers under the fuzzy investment environment, we propose this study. The paper is to describe the development of a fuzzy decision support system for selecting the appropriate facility site among countries of multinational enter...