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The Concept of Digital Description of Structural Elements of Technical Systems
(Springer, Cham, 2025) Prydalnyi, Borys
The paper presents the concept of a new approach to describing the elements of technical system structures, which provides new opportunities for increasing the level of automation of this information processing. This helps to improve the conditions for the initial stages of technical systems development, which relate to the synthesis of their structures and schemes and can currently be carried out only by humans. The paper proposes a methodology for forming a digital description of the characteristics of structural elements that can be combined into a single structure of a certain technical system. This description is based on the creation of a multidimensional vector, which can be further pro- cessed using appropriate mathematical tools, and therefore provides the possi- bility of automating the processing of this information. A methodology for forming vectors of description of structural elements of technical systems is proposed in accordance with the needs of their effective use in algorithms im- plemented by computer programming. The presented approach creates prereq- uisites for automating the processes of creating structures of technical systems, classifying technical systems, efficient storage in the form of a database, effi- cient search by a large number of features, etc
Automatic System for Clamping Objects on Rotary Executive Links of Robotics for Safety Critical Application: Solution and Software for Modelling
(IEEE, 2024) Prydalnyi, Borys
A new method is proposed to improve the mechanisms for object fixation in robots handling critical application objects to ensure safety. The approach recommends utilizing software products developed specificallyfor this purpose. The applications improve the device's prototyping capabilities, visualize its structural schemes, and calculate its individual performance characteristics. The structural diagram of the proposed device complies with the formulated security. recommendations.
Improvement of the Automatic Workpiece Clamping Mechanism of Lathes to Expand Technological Capabilities
(2023) Prydalnyi, Borys
The force characteristics of actuators of automatic clamping mechanisms determine the forces of clamping workpieces in the spindle assemblies of lathes. It determines the opportunities for clamping the workpieces with a wide range of material characteristics and construction rigidity. The conducted work aims to develop a new method of measurement of the force characteristics of the drive of automatic clamping mechanisms. The measurement issue is solved by implementing the contactless method, which meets the requirements for ensuring the efficient operation of a high-speed spindle assembly. The developed structure provides new opportunities for creating a control system with better possibilities for interactive estimation of the clamping forces. The use of the developed design helps to increase the quality of clamping and, consequently, the productivity ofmachining workpieces with an expanded range of characteristics. The proposed design of the clamp drive does not contain radially movable parts and implements a contactless power supply. It is proposed to control the clamping mechanism by non-contact measurement of the torque at the input link of the mechanical drive in the range of 0–50 N·m
Automatic device with self-braking for fixation objects in executive links of technological equipment
(2025) Prydalnyi, Borys
The main characteristics of a new automatic device for the fixation of objects in executive links of technological equipment, which determine its suitability for use, are considered. The device is based on a new structure that ensures its self-braking after the process of object fixation and increases the reliability of holding the objects, which is especially important in safety-critical applications. The proposed structure can be implemented for use in various types of executive links of technological equipment, and in the paper, it is considered the most complex application of the device—as part of a spindle assembly. For the proposed design, the method of calculating the main parameters of this type of mechanism is presented. Based on the results of the research, analytical and graphical dependencies have been obtained describing the change of the clamping force from 45 to 15 kN when increasing the spindle speed up to 10000 rpm, and the dependence of the clamping force on the torque at the input link. Based on the results of the research, a preliminary conclusion has also been drawn regarding the possibility of using electromechanical clamping mechanisms of the proposed type as a part of spindle units of machine tools, also because the rotor diameter of the mechanism is within 100 mm and the stator is within 200 mm.

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