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Проектирование нечетких систем средствами MATLAB
Abstract
Рассмотрены вопросы проектирования нечетких систем в пакете Fuzzy Logic Toolbox вычислительной среды MATLAB. Даны необходимые сведения в области теории нечетких множеств и нечеткой логики. Приведен теоретический материал по проектированию нечетких систем. Изложены теория нечеткой идентификации, методы нечеткой кластеризации и их применение для экстракции нечетких правил, а также метод принятия решений в нечетких условиях на основе слияния целей и ограничений. Рассмотрены авторские расширения пакета для проектирования нечетких классификаторов, построения иерархических нечетких систем, обучения нечетких баз знаний типа Мамдани, а также для логического вывода при нечетких исходных данных. Книга может использоваться как учебное пособие к университетским курсам по интеллектуальным системам, искусственному интеллекту, теории принятия решений и методам идентификации.
... The tools of the Fuzzy Sets Theory and Fuzzy Logic are well studied, described and successfully used in many areas of management (Lazzerini et al. 2000, Shtovba 2007. As known, a composition of single fuzzy judgments about CSR indicators is connected by AND, OR, NO operators, and as a result, fuzzy rules can be obtained for certain criteria regarding successful CSR activity or contribution into sustainable development. ...
... A fuzzy inference is, approximations of the "input-output" dependence based on linguistic judgments <if-then> and logical operations on fuzzy sets. As a result, a fuzzy inference, for example, a ranking of airlines, can be gotten according to given indicators, criteria, MFs, fuzzy rules and methods of fuzzy inference (Shtovba 2007). This approach, in our opinion, will support the successful resolution of the problem of creating a generally applicable methodology and relevant techniques for assessing CSR with the transition from fuzzy, descriptive conclusions about the contribution of an airline, or airport, to the sustainable development of society, to formalized, reasoned conclusions, thereby allowing a more transparent and meaningful rating and corresponding ranking. ...
Problems of developing meaningful Corporate Social Responsibility (CSR) assessment and reporting have been discussed in academic papers since the 1950s. However, questions of understanding the value of CSR, the assessment and reporting techniques used, the methods for rating companies for their contribution to CSR, from both the e organisational and consumer’s points of view, remain open. Different philosophies, the history of business formation, along with issues of organisational culture, gives rise to heterogeneous models and, accordingly, different approaches and techniques for CSR assessment.
The purpose of this study is to review the issues of CSR assessment and reporting in the aviation industry. This study provides a brief survey of the recent literature on CSR assessment techniques and raises discussion on the effectiveness of CSR reporting standards in the aviation industry. This study indicates that CSR assessment can be divided into techniques for rating and self-assessment. The article also presents a theoretical basis for the formation of CSR assessment techniques for airlines and airports. The application of Fuzzy Theory to the formation of criteria for the assessment of a company’s CSR activity reporting within the European Union and Eastern European region is discussed. The proposed approach could be used by air transport stakeholders, interested in making investment decisions.
Systematic analysis of the level of communication efficiency at an enterprise ensures its increased performance. Thus, it helps to establish long-term partnership relations with contact audiences and to form consumer loyalty in the external environment. As for the internal environment of an enterprise, the analysis of communication processes can reveal the “unformalized” relations between management and subordinates, determine the degree of autonomy of the individual units, evaluate the effectiveness of the feedback between the components of the management structure. It thus helps to establish effective communication processes within the enterprise. Therefore, assessing the effectiveness of communication processes at an enterprise is of particular significance. In view of this, the purpose of the article is to develop a methodological support for estimating the level of internal communications efficiency at the enterprise. The system of indicators for the internal communications assessment has been proposed, which includes quantitative and qualitative indicators and makes it possible to comprehensively assess the state and the level of internal communications efficiency. In order to assess the level of internal communications effectiveness, the methodological approach is proposed, which is based on the use of expert methods, taking into account logical rules for constructing functions of each element attribute and the process of internal communications. This methodological approach may be used at the industrial enterprises in order to determine the level of internal communications efficiency at the operating departments or at the enterprise as a whole.
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