Browsing 2019 by Author "COJUHARI, Irina"

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  • The algoritm of tuning the PID controller to the unstable model of object with inertia second order 
    IZVOREANU, Bartolomeu; POTLOG, Mihail; COJUHARI, Irina; FIODOROV, Ion; MORARU, Dumitru; POPOVICI, Nadejda; SECRIERU, Adrian (Tehnica UTM, 2019)
    The unstable model of the control object with inertia second order with known parameters is given. In order to tune the PID algorithm to these types of control models, several methods can be used as the root-locus ...
  • Analysis and treatment of risks in information systems 
    LISNIC, Inga; SCROB, Sergiu; COJUHARI, Irina (Tehnica UTM, 2019)
    The risk is the mathematical estimation of the probability of human loss, material damage, environmental damage, social and psychological damage, over a reference period, respectively future and in a given area, for a ...
  • Automatic control system for crop cultivation 
    FIODOROV, Ion; COJUHARI, Irina; IZVOREANU, Bartolomeu; MORARU, Dumitru; BALABAN, Eugeniu (Tehnica UTM, 2019)
    Nowadays, greenhouses are widely used, they permit to exclude the influence of climatic factors and to ensure a stable crop of fresh vegetables. For the large scale in the greenhouses is used the automation, that suppose ...
  • Decision-making processes for intelligent agents 
    LISNIC, Inga; SCROB, Sergiu; COJUHARI, Irina (Tehnica UTM, 2019)
    The purpose of this article is to harmonize decision-making processes. The theory of decision-making is a totality of methods (mathematical, intuitive or otherwise) designed to find the best possible variants that allow ...
  • Identification of the mathematical model of the control object based on the genetic algorithm 
    COJUHARI, Irina; FIODOROV, Ion; IZVOREANU, Bartolomeu; MORARU, Dumitru; LISNIC, Inga (Tehnica UTM, 2019)
    In industrial automation is widely used the PID control algorithm and there are many tuning methods of typical controllers as: the empirical methods based on the classical methods of finding the tuning parameters developed ...
  • Monitoring software for crop cultivation 
    FIODOROV, Ion; COJUHARI, Irina; IZVOREANU, Bartolomeu; MORARU, Dumitru; VASILIU, Gheorghe (Tehnica UTM, 2019)
    On the large scale, there is used the greenhouses, which are providing the most comfortable conditions for the growing of plants in limited space. The microclimate of a greenhouse must be balanced and it should be taking ...
  • The PBL model implementation within the Software Engineering Study Program 
    CIORBĂ, Dumitru; COJUHARI, Irina (Tehnica UTM, 2019)
    PBL (Problem Based Learning) is the learning philosophy that involves students in finding problems and identifying solutions to overcome them. There is no one PBL model suitable for all purposes. However, the PBL-based ...
  • Synthesis of the auto-tuned pid controller to the inertial object 
    BALABANOV, Anatolii; IZVOREANU, Bartolomeu; POTLOG, Mihail; FIODOROV, Ion; COJUHARI, Irina; MORARU, Dumitru (Tehnica UTM, 2019)
    In the paper, it was developed the mechanism for adaptation of the transfer coefficient of PID controller to the model of object with inertia first order and time delay; schema for simulation of the control system with ...
  • Synthesis of the PID controller to the system with maximum stability degree based on the genetic algorithm 
    COJUHARI, Irina; IZVOREANU, Bartolomeu; FIODOROV, Ion; MORARU, Dumitru; LISNIC, Inga (Tehnica UTM, 2019)
    The control problem in the various industrial applications is one of the most important problem, on which depends the high performance of the automatic control system. At the automation of the industrial processes in a ...

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