Science Research

Volume 5, Issue 4, August 2017

  • Optimization of Frequency-Controlled Asynchronous Electric Drive for Ventilatory Loading

    Usmonov Shukurillo Yulbarsovich

    Issue: Volume 5, Issue 4, August 2017
    Pages: 50-56
    Received: 12 April 2017
    Accepted: 18 April 2017
    Published: 29 September 2017
    Abstract: The analysis of losses of power in the adjustable asynchronous electric drive and optimization of the frequency and adjustable asynchronous electric drive with ventilator loading is carried out, and also it is developed management system of the energy saving electric drive with ventilator loading. The system of the electric drive minimizing losses ... Show More
  • Two-Level Multi-criteria Model for Calculating Multinomenclature Spare Parts of an Auto Service Enterprise Based on the Rougher Algorithm for Optimizing the Behavior of Their Particles

    Karimov Nijat Ashraf, Dyshin Oleq Aleksandr, Gozalov Sulhaddin Kamal

    Issue: Volume 5, Issue 4, August 2017
    Pages: 57-64
    Received: 29 August 2017
    Accepted: 18 September 2017
    Published: 8 November 2017
    Abstract: On the example of the two-criterion problem with the objective functions of the maximum, the confidence probabilities of the demand and the minimum of the total costs show the applicability of the method of Vector Optimization of Particle Swarm Optimization (VEPSO). Compared with genetic algorithms and other methods of evolutionary modeling, this m... Show More