Contents

Journal of Computer and Systems Sciences International

Vol. 65, No. 4, 2026

INFORMATION PROCESSING AND IDENTIFICATION

Restoring the Projections of the Aircraft Velocity Vector from Flight Data

V. N. Ovcharenko p. 529  abstract

Adaptive Kalman Filter for Systems with Random Observation Time Delays

A. V. Bosov p. 539  abstract

OPTIMAL CONTROL

Time-Optimal Problem of the Switchable Dubins Car Model with Circular Obstacles and Intermediate Stoppings

A. S. Bortakovskii and I. V. Uryupin p. 559  abstract

Fast Optimal Control of an Electroplating Process Using a Neural-Network Surrogate of a Distributed Model

D. S. Solovjev p. 579  abstract

Optimal Turning of the Two-Link Pendulum in the Horizontal Plane by One Control Moment

O. R. Kayumov p. 590  abstract

COMPUTER METHODS

Defining Relationship Types in a Dynamic Graph

A. E. Kotov and V. I. Tsurkov p. 609  abstract

Modification of the YOLOv8 Detection Head for Nested Object Embeddings

I. A. Matveev and V. A. Sokolov p. 617  abstract

SYSTEMS ANALYSIS AND OPERATIONS RESEARCH

Competition of Cluster Flows in Multiuser Network Systems under Capacity Constraints. I. The Problem of Fair Cluster Flow Control

Yu. E. Malashenko, I. A. Nazarova, and N. M. Novikova p. 628  abstract

Multilevel Organizational Management of Complex Projects

D. A. Kononov and M. G. Furugyan p. 642  abstract

NAVIGATION SYSTEMS

Improvement of GLONASS Ephemeris–Time Support Using Advanced Ground Segment Hardware to Increase Its Competitiveness in the Market of Navigation Services

M. N. Krasilshchikov, D. M. Kruzhkov, E. A. Martynov, and V. V. Pasynkov p. 652  abstract

NAVIGATION SYSTEMS

Some Features of Integrating an Inertial Navigation System with Heading Data in the Problem of Pedestrian Navigation

Y. V. Bolotin and A. V. Bragin p. 662  abstract

MOVING OBJECT CONTROL SYSTEMS

Adaptive Path Planning for Multirotor UAVs for Complete Area Coverage in the Presence of Priority Regions and No-Fly Zones

A. A. Akimov and Y. A. Gnatenko p. 675  abstract

Adaptive Integral Sliding Mode Control with Extended State Observer for a Quadcopter in a Maritime Search and Rescue Mission

X. D. Mai, P. D. Nguyen, and I. A. Hodashinsky p. 690  abstract

Numerical Approbation of an Energy-Minimal Biquaternion Analytical Algorithm for Program Control of Spacecraft Spatial Motion Obtained in the Class of Generalized Helical Conical Motions

A. V. Molodenkov, I. A. Pankratov, and Yu. N. Chelnokov p. 722  abstract