Blog assessment criteria within students’ self-directed learning

Обозначены критерии оценки блогов в рамках процесса формирования профессиональной иноязычной компетенции, умения работы с аутентичной иноязычной информацией в Интернете и навыков самообученияThe article describes the criteria for assessing blogs within the process of the formation of professional language competence, foreign language information processing skills and self-learning skill

ORGANIZATION OF INDEPENDENT STUDENT WORK BASED ON STUDENT BLOGGING ACTIVITY

Introduction. Today, the students’ personality traits and increasing their motivation to self-development are the most complex and urgent problems in foreign language training at higher technical university and in the system of higher education in general. According to the authors, the technology of student blogging is a means for addressing these issues, despite the lack of research on its methodology. In that regard, there is a need for further studies on information and communication technologies (ICT) application by promoting independent student work. The aim of this paper is to present the developed model of organization of bachelors’ independent work through educational blogging; to fulfill educational potential and to prove the efficiency of ICTs application in education taking into consideration professional foreign language competence development of future specialists in tool making. Methodology and research methods. When designing the model, the basic considerations of the following methodological approaches were considered: competency-based, personal-oriented, activity-based, thesaurus, and qualimetric; the listed above approaches enable to realize the principles of individualization, professional orientation, integrity, self-organization and interactivity in the performed work. The method of group expert assessment, as the leading one in pedagogical qualimetry, was chosen as the main method in the research undertaken. The methods of modeling and pedagogical experiment were involved. Results and scientific novelty. The structure of professional foreign language competence (including communicative, cognitive and subject components) of future toolmaking bachelors is identified. The development of the competence formation model among students is described in detail: having studied independently the subject topic, the students post the material. Pedagogical conditions and didactic guidelines for the model realization are formulated. The developed model, unlike many other models based on using ICT in foreign language teaching, takes into account the necessity of professional orientation of students’ foreign language self-learning. The model involves the use of thesaurus approach to enrich the learner’s vocabulary; and qualimetric approach to identify the level of their professional foreign language competence development. The developed model and the technology of student blogging were successfully tested as a part of pedagogical experiment at M. T. Kalashnikov Izhevsk State Technical University in the 2016−2017 academic year. Practical significance. The materials of the present investigation can be useful for teachers to organize independent student work. The technology of student blogging can be generalized and adapted to a wider range of higher education training programs.Введение. К наиболее сложным и острым педагогическим проблемам иноязычной подготовки студентов технического вуза и высшей школы в целом относятся обеспечение индивидуализации обучения и стимулирование мотивации студентов к саморазвитию. По мнению авторов статьи, возможным действенным средством решения этих проблем является технология ведения учебных блогов, несмотря на ее недостаточную методическую разработанность в настоящее время. В связи с этим требуется продолжение исследований аспектов применения информационно-коммуникационных технологий (ИКТ), которые могут активизировать самообразовательную деятельность обучающихся. Цель статьи – представить авторскую модель организации самостоятельной работы бакалавров с помощью учебных блогов; раскрыть образовательный потенциал и обосновать продуктивность использования ИКТ в учебном процессе на примере развития профессиональной иноязычной компетенции будущих специалистов-приборостроителей. Методология и методики. При построении модели учитывались базовые положения комплекса методологических подходов: компетентностного, личностно-ориентированного, деятельностного, тезаурусного и квалиметрического, позволяющих реализовать в выполняемой работе принципы индивидуализации, профессиональной направленности, интегративности, самоорганизации и интерактивности. В качестве главного инструментария исследования был избран один из ведущих методов педагогической квалиметрии − групповая экспертная оценка. Задействовались также методы моделирования и педагогического эксперимента. Результаты и научная новизна. На основе экспертизы была определена структура профессиональной иноязычной компетенции будущих инженеров-приборостроителей, включающая коммуникативный, когнитивный и предметный компоненты. Подробно описано создание варианта модели формирования этой компетенции у студентов посредством ведения ими веб-страниц, на которых размещается самостоятельно освоенный материал профессиональной тематики. Сформулированы педагогические и дидактические условия и рекомендации реализации данной модели, которая отличается от большинства других, также опирающихся на ресурсы ИКТ, практико-ориентированной направленностью и учетом личностных особенностей и потребностей каждого учащегося. Предлагаемая авторами технология предусматривает тезаурусный подход к расширению иноязычного лексикона студентов и квалиметрический подход к определению уровня развития необходимой профессиональной компетенции. Разработанные модель и соответствующая ей технология в экспериментальном порядке были успешно апробированы в ИжГТУ им. М. Т. Калашникова в 2016−2017 учебном году. Практическая значимость. Материалы исследования будут полезны преподавателям при организации самостоятельной работы студентов. Методика блог-технологии может быть адаптирована к другим направлениям подготовки в техническом вузе.

METHODOLOGY OF BLOGGING AS A FORM OF INDEPENDENT WORK OF TECHNICAL UNIVERSITY STUDENTS

В статье рассматривается методика ведения профессионально-ориентированного блога как самостоятельной деятельности студентов в техническом вузе, направленной на развитие их профессиональной иноязычной компетенцииThe article describes the methodology of profession-oriented blogging as an independent work performed by students in a technical university and focused on developing their professional language competenc

Use of phase portraits of hydro-mechanical units for diagnosing aircraft hydraulic systems

The article deals with diagnostics of hydraulic systems using phase portraits. A brief review of the existing methods for diagnosing hydraulic units identifying their advantages and disadvantages is given. An approach based on the analysis of dynamic characteristics of a hydraulic system and phase portraits of hydro-mechanical units in their operational and faulty conditions is proposed. As an example, we consider a dynamic model of a simplified hydraulic system consisting of standard components. By adjusting the model parameters characteristic faults typically occurring in operation, such as internal leaks in the pump, contamination of the hydraulic fluid with mechanical impurities, sticking of the valve, etc. were artificially introduced in hydro-mechanical units. A family of phase portraits of a hydraulic system for the operational condition and various faulty ones was constructed. A quantitative estimate of their changes, based on calculating the difference in the areas of the figures restricted by their graphs, is proposed. As a result, it was established that failures and malfunctions introduce changes in the phase portraits of hydro-mechanical units, which makes it possible to apply the proposed approach as a basis for diagnosing the technical condition of hydraulic systems

Set-theory model of the aircraft hydraulic system working fluid state

The article is devoted to the development of a set-theory model of the aircraft hydraulic system working fluid state using the mathematical apparatus of the set theory. The relevance of the work is connected with the necessity of developing a universal mathematical model of the hydraulic fluid state. The model is to form the basis of an intelligent system to control the working fluid state on board the aircraft. As a result, a general expression is obtained that allows describing the working fluid state at an arbitrary moment of time using its basic parameters, namely contamination, viscosity, density, chemical and temperature properties. A hierarchy of parameters of the working fluid state taking into account the diagnostic value of the information obtained during their measurement is constructed. The main classes of states are distinguished among all possible states of the working fluid. These are the ideal state, the normal state, pre-failure and failure. Each of them is described by a set of configurations of all possible values of the main parameters. А technique for optimizing the time of the inspection of technical condition based on the calculation of the change in the entropy of the working fluid is proposed

Prospective lines of improving the process of evaluating the technical condition of aircraft hydraulic system working fluid

The article is devoted to the evaluation of the technical condition of aircraft hydraulic system working fluids. Working fluid parameters (concentration of impurities, viscosity, density, anti-oxidation, anti-wear and thermal properties) determining its technical condition are selected on the basis of a study of scientific and technical literature. The peculiarities of the existing process of its evaluation are discussed. A structural grapho-analytical model reflecting the condition of the working fluid was developed. The model takes into account the influence of the fluids basic parameters as well as reachability and counter-reachability matrices. Analyzing the results, it was found that the graph components are strongly interconnected. Viscosity is closely linked with anti-wear and thermal properties, while variations in mechanical impurity content in the working fluid cause variations in the rest of its parameters. Thus, we can say that the assessment of the working fluids condition based on measuring only its purity and viscosity is not quite reliable. We substantiate the future line of research with the aim of developing new methods to assess the condition of the working fluid, namely, development of mathematical models of the working fluid condition taking all its components into account

ORGANIZATION OF INDEPENDENT STUDENT WORK BASED ON STUDENT BLOGGING ACTIVITY

Introduction. Today, the students’ personality traits and increasing their motivation to self-development are the most complex and urgent problems in foreign language training at higher technical university and in the system of higher education in general. According to the authors, the technology of student blogging is a means for addressing these issues, despite the lack of research on its methodology. In that regard, there is a need for further studies on information and communication technologies (ICT) application by promoting independent student work. The aim of this paper is to present the developed model of organization of bachelors’ independent work through educational blogging; to fulfill educational potential and to prove the efficiency of ICTs application in education taking into consideration professional foreign language competence development of future specialists in tool making. Methodology and research methods. When designing the model, the basic considerations of the following methodological approaches were considered: competency-based, personal-oriented, activity-based, thesaurus, and qualimetric; the listed above approaches enable to realize the principles of individualization, professional orientation, integrity, self-organization and interactivity in the performed work. The method of group expert assessment, as the leading one in pedagogical qualimetry, was chosen as the main method in the research undertaken. The methods of modeling and pedagogical experiment were involved. Results and scientific novelty. The structure of professional foreign language competence (including communicative, cognitive and subject components) of future toolmaking bachelors is identified. The development of the competence formation model among students is described in detail: having studied independently the subject topic, the students post the material. Pedagogical conditions and didactic guidelines for the model realization are formulated. The developed model, unlike many other models based on using ICT in foreign language teaching, takes into account the necessity of professional orientation of students’ foreign language self-learning. The model involves the use of thesaurus approach to enrich the learner’s vocabulary; and qualimetric approach to identify the level of their professional foreign language competence development. The developed model and the technology of student blogging were successfully tested as a part of pedagogical experiment at M. T. Kalashnikov Izhevsk State Technical University in the 2016−2017 academic year. Practical significance. The materials of the present investigation can be useful for teachers to organize independent student work. The technology of student blogging can be generalized and adapted to a wider range of higher education training programs

Calculating the dynamic error in measurement of electrohydromechanical system parameters, taking into account the operating speed of sensors

It is necessary to ensure appropriate information content of the measuring instruments used for intelligent diagnosing systems of energy and technological complexes based on the measurement of dynamic parameters. Sensors and measuring equipment should possess sufficient accuracy, reliability, speed and consistency of performance. Types of sensors for measuring dynamic parameters are selected depending on the systems structure. They can be, for example, sensors for the electrohydromechanical systems of these complexes, pressure sensors, as well as sensors of flow and temperature of the working media, displacement of moving elements and vibration of the base members. The type of sensor intended for use in the diagnostic system is largely determined by the dynamics of the processes taking place in it. It is necessary that the sensors satisfy their performance requirements. If the sensors have lower speed than is necessary for the process dynamics in the electrohydromechanical system, it can lead to dynamic measurement error and an error in the diagnostics of technical condition. In technical literature, the requirement for the sensor speed is indicated by the fact that it should be an order of magnitude higher than the dynamics of the processes occurring in the system. This approach is not acceptable for choosing the type of sensors for diagnostic systems, taking into account the process dynamics. Firstly, sensors for measuring with this required parameter may not be available. Secondly, even if there is a sensor with a parameter close in speed to the dynamics of the system processes, it is necessary to know in advance what dynamic error it can lead to and how it will affect the accuracy of the diagnostic system. An analytically generalized dependence of the dynamic measurement error of electrohydromechanical system parameters on the relative sensor speed is obtained in this paper. This dependence allows you to choose a sensor with a dynamic error that does not exceed a given value. The calculation of the dynamic measurement error is shown using the MI-8 helicopter hydraulic system as an example