Position control systems with friction compensation for servo pneumatic actuators

Authors

DOI:

https://doi.org/10.20535/2521-1943.2024.8.4(103).313292

Keywords:

Pneumatics, servo drive, pneumatic cylinder, pneumatic valve, pressure regulation, position control

Abstract

Article is devoted to the development of control systems for a pneumatic system taking into account the current position of the working body of the actuator and the amount of friction in the friction pairs of the actuator. This work also examines control systems for pneumatic drives based on the position of the working body, taking into account the nonlinearity of the motion caused by friction forces in the pneumatic actuator. The study demonstrates existing control systems and implemented static and dynamic models of friction compensation and the impact of such models on the accuracy and controllability of systems with various types of regulators and implementation schemes, including proportional valves with analog control and high-speed direct-acting valves. An analysis of positioning systems with the possibility of adjusting the input pressure and the impact of such system solutions on the rigidity of the system and its speed is carried out. The work formulates the goal for further scientific research and identifies a list of tasks necessary to implement the goal set in the work. A design solution for a test stand with the possibility of implementing adaptive regulation of the force of the actuator depending on changes in the operational parameters of the technological operation is also presented.

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Published

2024-12-26

How to Cite

[1]
A. Nikitin and O. Levchenko, “Position control systems with friction compensation for servo pneumatic actuators”, Mech. Adv. Technol., vol. 8, no. 4(103), pp. 419–427, Dec. 2024.

Issue

Vol. 8 No. 4(103) (2024)

Section

Mechanics

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Copyright (c) 2024 Артур Нікітін, Олег Левченко

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