Articles with "servo systems" as a keyword



Current Controller Based on Active Disturbance Rejection Control With Parameter Identification for PMSM Servo Systems

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Published in 2023 at "IEEE Access"

DOI: 10.1109/access.2023.3274578

Abstract: This study aimed to design an active disturbance rejection control (ADRC) with parameter identification for current control in permanent magnet synchronous motor (PMSM) servo systems. Given the nonlinear uncertainty of the PMSMs, a parameter identification… read more here.

Keywords: servo systems; pmsm; control; parameter identification ... See more keywords

Event-Triggered Resilient Control for Interconnected Servo Systems Under Malicious Attacks

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Published in 2025 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2024.3497999

Abstract: This article investigates the tracking control of interconnected servo systems, where Denial-of-Service attacks and false-data-injection attacks are considered. In order to ensure the control performance and security, a sliding mode tracking control scheme based on… read more here.

Keywords: control interconnected; event triggered; control; interconnected servo ... See more keywords

Output-Feedback Proportional-Type Positioning Technique for Servo Systems via Speed-Loop Adaptation Mechanism

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Published in 2023 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2022.3218079

Abstract: This brief presents a simple proportional-type position regulator for servo systems independent from the actual servo system parameter information without speed and current feedback requirements. First, the extended state observer embedded in the modified gain… read more here.

Keywords: speed; speed loop; proportional type; servo systems ... See more keywords

Joint Identification and Estimation of Imbalance Torque in Gimbal Servo Systems via Variational Bayes Adaptive Expectation-Maximization

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Published in 2024 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2023.3330734

Abstract: As the main source of disturbances in gimbal servo systems, the dynamic rotor imbalance can induce a torque that deteriorates system performance. The imbalance disturbance is quasi-periodic with unknown frequency, phase and amplitude, and is… read more here.

Keywords: joint identification; identification estimation; gimbal servo; imbalance ... See more keywords

End-Point Vibration Suppression in Flexible Servo Systems Based on Improved Two-Mode Shaper

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Published in 2025 at "IEEE Transactions on Industry Applications"

DOI: 10.1109/tia.2025.3540024

Abstract: In industrial servo systems, components with lightweight materials and large size are susceptible to deformation and vibration due to their inherent flexibility. This study proposes vibration suppression control strategy using an improved two-mode shaper as… read more here.

Keywords: improved two; two mode; mode shaper; vibration ... See more keywords

A Generalized PID Interpretation for High-Order LADRC and Cascade LADRC for Servo Systems

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Published in 2022 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2021.3082058

Abstract: It is well known that proportional-integral-derivative (PID) controllers are dominant in industrial scenarios. PID with high-order derivative or integral terms named generalized PID is superior to the PID. However, there is little literature investigating how… read more here.

Keywords: cascade; ladrc; servo systems; high order ... See more keywords

An Adaptive Sliding Mode Control for PMSM Servo Systems Beyond the Inertia Ratio Limit

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Published in 2025 at "IEEE Transactions on Power Electronics"

DOI: 10.1109/tpel.2025.3580353

Abstract: The permanent magnet synchronous motor (PMSM) servo systems can only drive loads with relatively low inertia due to the limitation of the ratio between load inertia and rotor inertia (inertia ratio). Once the inertia ratio… read more here.

Keywords: control; pmsm servo; adaptive sliding; inertia ratio ... See more keywords

Rolling horizon H-infinity control for uncertain electro-hydraulic servo systems

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Published in 2025 at "Transactions of the Institute of Measurement and Control"

DOI: 10.1177/01423312251366014

Abstract: Electro-hydraulic position servo systems are widely applied in aerospace, industrial automation, and robotics due to their high power density, rapid response, and precision. However, inherent nonlinearities, parametric uncertainties, and external disturbances pose significant challenges to… read more here.

Keywords: horizon infinity; control; servo systems; electro hydraulic ... See more keywords