The paper deals with solutions in the field of electric vehicles. Basic architecture of electric vehicles is described, issues of battery charging are outlined. The paper contains technical data on several modern hybrid electric vehicles. The cost-benefit analysis of vehicles' performances is carried out considering ecological and energetical impacts. A new principle of battery charging status intelligent prediction is described.

Проаназизированы разработки в области электрических транспорнтых средств. Дано описание основ архитектуры электрических и гибридных транспортных средств, рассмотрены вопросы заряда накопителя энергии. Приведены технические данные по некоторым современным гибридным автомобилям. Проведен технико-экономический анализ показателей транспортных средств с учетом их влияния в сфере энергетики и экологии. Описан новый принцип прогноза состояния заряда накопителя энергии.

Висвітлено досвід розробок в галузі електричних транспортних засобів. Надано опис основ архітектури електричних та гібридних транспортних засобів, розглянуто питання зарядження нагромаджувача енергії. Наведено технічні данні кількох сучасних транспортних засобів. Проведено техніко-економічний аналіз показників транспортних засобів з урахуванням їх впливу у сфері енергетики та екології. Описано новий принцип прогнозу стану заряду нагромаджувача енергії.

Індекс рубрикатора НБУВ: З965.941

Рубрики:

Роботи. Робототехніка

Шифр НБУВ: Ж16377 Пошук видання у каталогах НБУВ 

Запропоновано алгоритм автоматичної синхронізації роботи обігрівачів за умови обмеженого енергоресурсу. Особливістю алгоритму є автоматичний розподіл обігрівачів на пріоритетні та непріоритетні за умови передбачуваності роботи обігрівача. Пріоритетні обігрівачі синхронізують свою роботу у часі таким чином, щоб залишковий електричний ресурс використовувався максимально повно та був доступним кожному непріоритетному обігрівачеві. Алгоритм може бути використаний для вдосконалення системи управління електричним опаленням згідно з концепцією "розумного будинку".

Purpose. To develop a method for synthesizing a fuzzy automatic control system for a shearer drum in terms of coal seam hypsometry basing on the information criterion of the beginning of rock cutting-off by the drum to reduce ash content of the extracted coal. Methodology. Taking into consideration peculiarities of determining a distinct information criterion of the beginning of rock cutting-off by the drum and regularities of its variations during the shearer operation, a fuzzy inference algorithm is developed for a system of fuzzy automatic drum control in terms of seam hypsometry. In this context, rules of fuzzy productions, parameters of the membership functions of terms of the output linguistic variable system, and fuzzy operations are substantiated according to the recommendations of a classic Mamdani fuzzy inference algorithm. Studies are carried out to analyze the efficiency of the proposed fuzzy inference algorithm basing on the introduced relative parameter of the number of effective control actions formed by the fuzzy control system. Simulation modeling makes it possible to perform comparative analysis of the efficiency of the drum control. Findings. In the course of research, an algorithm of fuzzy control of the shearer's upper drum in terms of coal seam hypsometry has been developed basing on the determination of direct and inverse transfer from coal breaking near the seam roof by the shearer drum to rock breaking with the help of statistical analysis of the stator power of a cutting drive motor. Originality. For the first time, a method of synthesis of fuzzy automatic control of the drum in terms of seam hypsometry has been proposed. Practical value. The proposed method is the theoretical basis to solve important scientific and applied problem of the automation of the coal shearer drum in terms of seam hypsometry to reduce ash content of the produced coal.

Purpose. To reduce specific energy consumption for heating municipal and industrial buildings by introducing smart indoor temperature control taking into consideration individual dependences of characteristics of each person as a consumer of energy resources on specific heating conditions. Methodology. The energy-efficient and smart control of indoor heating is based on the fact that a control system is to elaborate and provide a compromise solution as for comfortable perception of proper conditions of someone's staying indoors and minimum consumption of energy resources. To do that, first of all the problem should be solved concerning recognition of different heating conditions by a smart control system aimed at providing a process of system learning and database formation. To complete this task, the parameters of one-dimensional dynamic models describing heat-exchange processes are proposed to be used as the information signs for the classification of situations in terms of heating relative to the uncontrolled electric heaters; the input value is the heater capacity, and the output value is the air temperature within the local indoor zone. Within the framework of the development of a method for classifying indoor heating conditions, dependences of the parameters of dynamic models of local indoor heating zones on the characteristics of local heating zones were analysed. Besides, certain regularities of a control process for heaters were determined; that helped provide accurate identification of the models of local heating zones without considerable changes in a preset temperature mode. Computational experiments made it possible to evaluate the accuracy of determination of information signs for the classification of heating conditions while representing real characteristics of indoor heat-exchange processes. Findings. The studies resulted in the development of a method for identifying dynamic properties of indoor heat zones for the cases of using uncontrolled electric heaters with two states. Originality. For the first time, certain regularities have been identified concerning a capacity control process for electric heaters with two states and a process of temperature measurement within the local indoor zones. The regularities made it possible to determine the parameters of dynamic models of indoor heat-exchange processes with high accuracy and without considerable changes in the preset temperature mode, and to use these parameters as information signs while classifying the heating conditions. Practical value. The obtained regularities of the processes of heater control and temperature measurement allowed developing a method for identification of dynamic properties of local indoor heat zones, which makes up the basis for a classification procedure of heating conditions.