Research advisor Plaksiy Yuriy

Plaksiy Yuriy
Plaksiy Yuriy
PhD, Associate Professor, Professor of NTU “KhPI”
Professor of the Department of Computer Modeling of Processes and Systems, NTU “KhPI”
Research profiles
Research Profile
Research activities focus on the development and computer modeling of new kinematic models for describing the rotational motion of a rigid body; computer modeling and computational experiments regarding the determination of orientation quaternions in strapdown inertial navigation systems (SINS); and the optimization of algorithms for determining orientation quaternions in SINS.
Proposed PhD Research Areas
1Mathematical and computer modeling of analytical kinematic models of rotational motion of a rigid body: development of new kinematic models of rotational motion of a rigid body, which are formal solutions of the kinematic equation in quaternions. The implementation of kinematic models for a different set of parameters allows us to expand the class of applicable models for assessing the accuracy and optimizing existing algorithms for determining orientation quaternions.
2The creation of systematic algorithms for determining quaternions for use in strapdown inertial orientation systems (SIOS) involves developing new multi-step algorithms based on the complete system of dynamic and kinematic equations governing the rotational motion of a rigid body. This is a new approach to algorithm formation that allows for efficient algorithms that use quasi-coordinates as primary inertial information.
3Efficient configurations for angular rate sensor placement and fault detection in redundant strapdown inertial navigation systems (SINS): development of new criteria for optimal sensor placement and corresponding redundant sensor system configurations; algorithms for identifying single or dual sensor failures; and the formulation of fault-tolerant orientation determination algorithms that ensure efficient calculation of the orientation quaternion.
Research Projects and International Collaboration
1Researcher for the state-funded project “Development of theoretical and experimental methods to enhance the accuracy of inertial and inertial-satellite navigation systems for moving objects through the identification and algorithmic compensation of primary measurement errors” (State Registration No. 0115U000541).
2Researcher on the state-funded project “Development of theoretical foundations for methods ensuring the durability of aerospace structural components and the accuracy of motion control systems” (State Registration No. 0116U000875).
3Researcher on the state-funded project “Development of Algorithmic Support for Aircraft Navigation and Control Systems under Conditions of Interference or Incomplete Information” (State Registration No. 0125U002362).
4For many years, he/she has maintained scientific ties with the Research and Production Enterprise “Hartron-Arkos” and has co-authored research papers and delivered presentations at international conferences with “Hartron-Arkos” staff.
Selected publications
1Plaksiy Yu. A., Kuznietsov Yu. O. Analitychno-chyselne modeliuvannia protsesu oriientatsii tverdoho tila v kvaternionakh cherez poslidovnist eilerovykh kutiv dlia tochnosnoho analizu alhorytmiv oriientatsii v BINS. Bulletin of the National Technical University “KhPI”. Series: Dynamics and Strength of Machines. 2023. No. 2. pp. 58–64. DOI: https://doi.org/10.20998/2078-9130.2023.2.293474 [in Ukrainian].
2Plaksiy Yu. A. Chyselno-analitychna optymizatsiia alhorytmiv oriientatsii na sferychnii modeli kutovoho rukhu tverdoho tila. Bulletin of the National Technical University “KhPI”. Series: Dynamics and Strength of Machines. 2024. No. 1. pp. 62–66. DOI: https://doi.org/10.20998/2078-9130.2024.1.312740 [in Ukrainian].
3Plaksiy Yu. A. Formalna parametrychna kinematychna model konichnoho typu kutovoho rukhu tverdoho tila i yii zastosuvannia do tochnosnoho analizu i optymizatsii alhorytmiv oriientatsii. Bulletin of the National Technical University “KhPI”. Series: Dynamics and Strength of Machines. 2025. No. 1. pp. 34–41. DOI: https://doi.org/10.20998/2078-9130.2025.1.323548 [in Ukrainian].
4Plaksiy Yu. A. Identyfikatsiia vidmovy sensora i vyznachennia oriientatsii v minimalno nadlyshkovykh konfihuratsiiakh datchykiv kutovoi shvydkosti v BINS. Bulletin of the National Technical University “KhPI”. Series: Dynamics and Strength of Machines. 2025. No. 2. pp. 38–46. DOI: https://doi.org/10.20998/2078-9130.2025.2.342106 [in Ukrainian].