Issues in integrating existing multi-agent systems for power engineering applications

Multi-agent systems (MAS) have proven to be an effective platform for diagnostic and condition monitoring applications in the power industry. For example, a multi-agent system architecture, entitled condition monitoring multi-agent system (COMMAS) (McArthur et al., 2004), has been applied to the ultra high frequency (UHF) monitoring of partial discharge activity inside transformers. Additionally, a multi-agent system, entitled protection engineering diagnostic agents (PEDA) (Hossack et al., 2003), has demonstrated the use of MAS technology for automated and enhanced post-fault analysis of power systems disturbances based on SCADA and digital fault recorder (DFR) data. In this paper, the authors propose the integration of COMMAS and PEDA as a means of offering enhanced decision support to engineers tasked with managing transformer assets. By providing automatically interpreted data related to condition monitoring and power system disturbances, the proposed integrated system offer engineers a more comprehensive picture of the health of a given transformer. Defects and deterioration in performance can be correlated with the operating conditions it experiences. The integration of COMMAS and PEDA has highlighted the issues inherent to the inter-operation of existing multi-agent systems and, in particular, the issues surrounding the use of differing ontologies. The authors believe that these issues need to be addressed if there is to be widespread deployment of MAS technology within the power industry. This paper presents research undertaken to integrate the two MAS and to deal with ontology issues

Penggunaan Ejaan yang Disempurnakan dalam Pp Nomor 32 Tahun 2013 Tentang Standar Nasional Pendidikan

This research entitled The Use of Improved Spelling in Government Regulation No. 32 Year 2013 on National Education Standards. This research aims to determine the percentage of the correct use of capital letters, the percentage of correct use of dot, and the percentage of the correct use of commas which contained in Government Regulation No. 32 Year 2013 on National Education Standards. The method used was descriptive method with qualitative and quantitative approaches. The data of this research was the verses that contain capital letters, dots and commas, which is contained in each chapter of Government Regulation No. 32 Year 2013 on National Education Standards. The result of the research shown at the accuracy of capitalization was 57.8%, the accuracy of the use of dots was 98.2%, and accuracy of commas was 91.3%. From these three uses of the spelling that has been investigated, the spelling which has the largest percentage of accuracy was the use of dots, at 98.2% and the smallest is the percentage of the correct use of capital letters, at 57.8%

Girls/women in inverted commas – facing ‘reality’ as an XY-female

XY-women with conditions such as Androgen Insensitivity Syndrome (AIS) have male sex chromosomes, internal (abdominal) testicular or gonadal streak tissue, and no ovaries or (usually) uterus, but are otherwise female in body form and gender identity/role. Many have no reason to doubt a female sex until they are investigated for failure to menstruate. Using mixed-method (quantitative and qualitative) empirical methodology, the study reveals how XY-women discovered their diagnosis, with an in-depth analysis of the medical and societal discourses that shaped the labels/identities to which they have been subjected or they have assumed. Data was collected by questionnaire from 114 women recruited via a peer support group. The study is interdisciplinary, spanning medicine, psychology, sociology and feminist gender theory. It is informed by a range of theories including patriarchy and medicalisation (including terminology issues), sexual dimorphism, sex versus gender, social construction, abjection, self-surveillance and performativity, and sexual difference and corporeality. Many participants had experienced diagnostic secrecy by doctors, particularly in N. America. Younger participants had benefited from a recent move to truth disclosure. Participants had found the androcentric medical discourse/terminology difficult to reconcile with their female appearance, identity and social role; and did not approve of the degree of medicalisation. Infertility was the greatest personal concern but most thought that possession of a vagina was society's main criterion for womanhood. Most seemed secure in their female gender, although some were aware of a degree of performativity. Knowledge of their male biological attributes seemed problematic for many (especially those with Swyer Syndrome1), with expressions of inauthenticity, fraud or freakishness by some. Participants showed little awareness of gender theory and even the idea of a sex versus gender conceptual split seemed confusing for many, but clearer to those in N. America. The majority seemed to construct a totally female sex, although some entertained the idea of an intersexed sex, particularly those in N. America and those with a lesbian or bisexual orientation. The lesbian/bisexual sub-group, and those with a PAIS diagnosis, also showed the greatest awareness of gender performativity. Advocacy is a key aspect of the project, developing the argument that the androcentric focus of intersex medicine and the poor provision of clinical psychology restricts the opportunities for these patients to explore alternative discourses and non-medical meanings of their diagnosis. 1. But needs clarifying using a larger sample

X_System

The X_System makes the playing, writing, and learning of music – even when using unconventional tunings – more intuitive, more logical, more expressive, and better sounding. The X_System allows for: • different temperaments to be chosen at the flick of a switch; • tunings to be dynamically altered at the push of a lever; • the use of a special hexagonal button-field that allows for any given interval or chord always to have the same shape on that button-field; • consonant chords to have their consonance maximised, whatever the tuning actually chosen; • radical changes to be made to the timbral character of tones using a minimal number of controls; • a choice of keyboard mappings, which enable for the balance between number of intervals and octaves to be altered

On-line transformer condition monitoring through diagnostics and anomaly detection

This paper describes the end-to-end components of an on-line system for diagnostics and anomaly detection. The system provides condition monitoring capabilities for two in- service transmission transformers in the UK. These transformers are nearing the end of their design life, and it is hoped that intensive monitoring will enable them to stay in service for longer. The paper discusses the requirements on a system for interpreting data from the sensors installed on site, as well as describing the operation of specific diagnostic and anomaly detection techniques employed. The system is deployed on a substation computer, collecting and interpreting site data on-line

Punctuating appositives and relative clauses in newspaper English

Статья посвящена проблеме пунктуирования приложений и относительных придаточных предложений в современном британском газетном тексте. Сравнивая нормативное употребление знаков препинания с их практическим использованием в британских газетных текстах начала 21 века, автор предпринимает попытку проследить изменения в узусе пунктуационных знаков (запятой и тире) при обособлении приложений и относительных придаточных предложений

Learning models of plant behavior for anomaly detection and condition monitoring

Providing engineers and asset managers with a too] which can diagnose faults within transformers can greatly assist decision making on such issues as maintenance, performance and safety. However, the onus has always been on personnel to accurately decide how serious a problem is and how urgently maintenance is required. In dealing with the large volumes of data involved, it is possible that faults may not be noticed until serious damage has occurred. This paper proposes the integration of a newly developed anomaly detection technique with an existing diagnosis system. By learning a Hidden Markov Model of healthy transformer behavior, unexpected operation, such as when a fault develops, can be flagged for attention. Faults can then be diagnosed using the existing system and maintenance scheduled as required, all at a much earlier stage than would previously have been possible