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Gheorghe Samoilescu, Dumitru Iorgulescu, Robert Mitrea and Laura D. Cizer

Abstract

This paper presents aspects of the steering gear onboard a merchant ship by analyzing aft and bow systems based on automation and use of modern propulsion. The choice of the transverse propeller is based on several economic considerations (its price, consumption, efficiency, etc.), technical considerations (positioning, size, vibrations induced in the ship’s hull), and maneuverability considerations (the ship’s turning rate under the action of the propeller. Accordingly, the propulsion system can come in various sizes, power values, shapes of the tunnel, and can present fixed or variable pitch propellers. Depending on the maneuverability of the ship, the transverse propulsion is analyzed by taking into account two tests: the turning of the transverse propulsion system test in calm and windy weather, and the steering test. The automation system is designed to control and monitor the on-board operational systems and equipment, and it encompasses a wide range of control, monitor and alarm. The integrated navigational equipment includes the following sub-systems: navigation consoles, ship handling consoles, dynamic positioning consoles, anchoring and deck operations consoles, and propulsion system control consoles. The propulsion control system is especially dedicated to the propeller and thruster control system, resulting in a joint control system, and the cables are reduced in number since the communication lines are used in series. The mandatory condition for successfully solving the problem with the complex automation of naval installations and equipment is the construction of complex automatic control systems (ACS), consisting of: automated commands or remote controls, a system of collecting, processing and displaying information, as well as a system of control, fault detection and diagnosis

Open access

Bence Cselik, Márta Szmodis, Gábor Szőts and Pongrác Ács

References Ács P., Hécz R., Paár D., & Stocker M. (2011). A fittség (m)értéke: A fizikai inaktivitás nemzetgazdasági terhei Magyarországon. Közgazdasági Szemle, 58 (7-8), 689-708. Currie, C., et al. (Eds.) (2012). Social determinants of health and well-being among young people. Health Behaviour in School-aged Children (HBSC) study: International report from the 2009/2010 survey. Health Policy for Children and Adolescents, No. 6. Copenhagen: WHO Regional Office for Europe. Németh Á. (Ed.) (2007). Serdülőkorú

Open access

A.C.S. Peacock, Claudia Glatz and T. Emre Şerifoğlu

Open access

Jolanta Życińska, Alicja Kuciej and Joanna Syska-Sumińska

Abstract

The aim of the study was to confirm the mediation effects of the task-specific self-efficacy on the relationship between the general self-efficacy and intention and planning considering treatment. The study comprised 265 subjects, of which 165 were post-mastectomy women and 100 patients hospitalized due to acute coronary syndrome (ACS). The variables were assessed using the Generalized Self-Efficacy Scale (GSES) and tools developed to examine the context of treatment. The data were analyzed using the bootstrapping procedure. The results confirmed the indirect effects of task-specific self-efficacy, both in women making a decision to undergo breast reconstruction, and in patients after ACS formulating intention to change risk behaviours. As smoking was considered to be a moderator in the post-ACS group, the obtained associations were observed only among the patients declaring quitting smoking. In view of the fact that taskspecific self-efficacy is susceptible to context (e.g. it may depend on quitting smoking), it is useful to assess it in order to increase treatment effectiveness.

Open access

Borysław Paulewicz, Agata Blaut and Joanna Kłosowska

Abstract

Attentional bias is assumed to be partly responsible for the onset and maintenance of anxiety by major cognitive theories of emotional disorders. Although much is already known about the therapeutic effects of attentional bias training, only a few studies have examined the mechanism responsible for these effects. In order to test if low-level, cognitive effects of attentional bias training depend on attentional control, 73 participants, who completed the STAI-x2 and the ACS questionnaires, were randomly assigned to a control (n = 37) or attentional training group (n = 36). The attentional manipulation was followed by a search task, during which novel neutral or negative faces could be presented within an array of all-neutral, all-negative or all-positive faces. It was found that individuals with higher ACS score displayed stronger attentional training effects, i.e., they were less accurate in detecting distinctive negative faces, and this effect was not found to be associated with STAI-x2 score. These results show that there is individual variability even in immediate, cognitive effects of attentional bias modification and that special abilities, such as attentional control, might be required for attentional training to be efficient.

Open access

Małgorzata Fajkowska and Douglas Derryberry

Psychometric properties of Attentional Control Scale: The preliminary study on a Polish sample

The presented study was focused primarily on a psychometric analysis of the Attentional Control Scale (ACS), but they also enhanced the understanding of the role of effortful attentional skills in determining the individual well-being, general adaptation or emotional disorders. The analyses included basic item and scale descriptions as well as convergent and discriminant validity. 218 Polish undergraduate students completed the battery of the self-report techniques and two paper —pencil attentional tests. Data revealed a unidimensional of a 20-item ACS. It can be used validly to assess long-term individual differences in attentional skills related to the voluntary executive functions. The analysis of content, internal and construct validity as well as reliability provided evidence of the scale's significant convergent and discriminant validity when correlated with attentional tests and other personality techniques. We found strong, systematic relations between the attentional control and selected measures of temperament, arousal, emotionality, and motivation. The results allow assuming that good attentional control, may protect individuals from the emotional disorders by regulating perceptual, conceptual, and response processing.

Open access

Dan Monea, Rodica Prodan and Vlad Teodor Grosu

Abstract

Background. The purpose of the study was to realize the priorities in physical, technical and tactical training for junior football players. Moreover, preparing of the content was intended to optimize the use the most efficient methods and means for increasing the efficiency of speed and skill during the training and games.

Objectives. Data were collected from 18 junior football players, with ages ranging from 14-15 years, members of the ACS Unirea (C) Tritenii de Jos team. The subjects were tested three times during the whole training stage, pre, middle and post-training examinations being performed. The three examinations consisted of 5 tests each: 50-meter sprint, standing long jump, 2000 meter running, maintaining the ball in the air and leading the ball through markers.

Methods. Specific methods for developing the speed used in the study are based on repetitions (specific efforts at maximum or submaximal speed, under usual, relieved, severe conditions), on various efforts and intervals. Skill development methods took into account the complexity of coordinating action movements and the spatial, temporal, and motion force precision. For developing motor skills, the authors used the interval and circuit training.

Results. All the participants attained higher levels of performance, both at the second and third examination, on each of the 5 tests. Data collected were analyzed using the One –Way ANOVA statistical procedure, which compares the results obtained by one single group of subjects. This procedure revealed, at a significant level of confidence, that the mean of the performance enhancement reached 50 percents along the one-year training stage.

Conclusions. The research has shown that, by giving a more significant share of the best methods and means for developing the speed and skill in the physical training of junior footballers, the increase in the performance of these motor skills is significant.

Open access

Gunnar Prause

References Acs, Z. (2002), Innovation and the Growth of Cities, Cheltenham: Edward Elgar. Anselin, L.; Varga, A. & Acs, Z. (1997), ‘Local geographic spillovers between university research and high technology innovations,’ Journal of Urban Economics, vol. 42, no. 3, pp. 422–448. Archibugi, D.; Filippetti, A. & Frenz, M. (2013a), ‘Economic crisis and innovation: Is destruction prevailing over accumulation?’ Research Policy, vol. 42, no. 2, pp. 303–314. —— (2013b), ‘The impact of the economic

Open access

Vladimír Krajčík and Pavel Vlček

1792-6157, ISBN 978-960-474-245-5 Vlček, P. (2009): E-SMO Project and SW Tools Used in Process Modelling, WSEAS International Conference ACS 09, Genova 2009, Genova 17.-19.10. 2009, ISSN 1790-5109, ISBN 978-960-474-127-4 Vlček, P. (2006): Some aspects process analysis in public administration, Manažment v teórii a praxi, ročník II, číslo 2, ISSN 1336-7137 Weske, M.(2001): Business Process Management: Concepts, Languages, Architectures (Hardcover) Springer. ISBN-13: 978-3642286155

Open access

Romana Kadzikowska-Wrzosek

properties of the action control scales (ACS-90). In J. Kuhl, & J. Beckmann (Eds.), Volition and personality: Action versus state orientation (pp. 47-59). Göttingen: Hogrefe. Kuhl, J. (1996). Who controls whom “when I control myself”? Psychological Inquiry, 7, 61-68. doi:10.1207/s15327965pli0701_12 Kuhl, J. (2000). A functional-design approach to motivation and volition: The dynamics of personality systems interactions. In M. Boekaerts, P.R. Pintrich, & M. Zeidner (Eds.), Self-regulation: Directions and challenges for future research (pp