Faster Positioning of One Degree-of-Freedom Mechanical Systems with Friction and Actuator Saturation

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Faster Positioning of One Degree-of-Freedom Mechanical Systems with Friction and Actuator Saturation. / Zheng, Chunhong; Su, Yuxin; Mercorelli, Paolo.
In: Journal of Dynamic Systems, Measurement and Control, Vol. 141, No. 6, 064504, 06.2019.

Research output: Journal contributionsJournal articlesResearchpeer-review

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@article{70ac8611bca84e09a63e0c2aa2c6f267,
title = "Faster Positioning of One Degree-of-Freedom Mechanical Systems with Friction and Actuator Saturation",
abstract = "This paper concerns with faster positioning of one degree-of-freedom (1DOF) mechanical systems with friction and actuator saturation. A very simple but quite effective saturated relay proportional-derivative (PD) control is proposed. The proposed control is conceived within the framework of nonlinear PD methodology. It is accomplished by adding a relay position error for friction compensation to the saturated PD control law. For faster transient with bounded input, a saturated nonlinear function is introduced. Lyapunov's direct method is employed to prove global asymptotic positioning. The appealing advantages of the proposed control are that it is fairly easy to construct without involvement of any modeling parameter and has the ability to avoid the actuator saturation. Numerical example and experiments demonstrate the effectiveness and improved performance of the proposed approach.",
keywords = "Engineering, Error compensation, Friction, Mechanical actuators",
author = "Chunhong Zheng and Yuxin Su and Paolo Mercorelli",
year = "2019",
month = jun,
doi = "10.1115/1.4042883",
language = "English",
volume = "141",
journal = "Journal of Dynamic Systems, Measurement and Control",
issn = "0022-0434",
publisher = "The American Society of Mechanical Engineers (ASME)",
number = "6",

}

RIS

TY - JOUR

T1 - Faster Positioning of One Degree-of-Freedom Mechanical Systems with Friction and Actuator Saturation

AU - Zheng, Chunhong

AU - Su, Yuxin

AU - Mercorelli, Paolo

PY - 2019/6

Y1 - 2019/6

N2 - This paper concerns with faster positioning of one degree-of-freedom (1DOF) mechanical systems with friction and actuator saturation. A very simple but quite effective saturated relay proportional-derivative (PD) control is proposed. The proposed control is conceived within the framework of nonlinear PD methodology. It is accomplished by adding a relay position error for friction compensation to the saturated PD control law. For faster transient with bounded input, a saturated nonlinear function is introduced. Lyapunov's direct method is employed to prove global asymptotic positioning. The appealing advantages of the proposed control are that it is fairly easy to construct without involvement of any modeling parameter and has the ability to avoid the actuator saturation. Numerical example and experiments demonstrate the effectiveness and improved performance of the proposed approach.

AB - This paper concerns with faster positioning of one degree-of-freedom (1DOF) mechanical systems with friction and actuator saturation. A very simple but quite effective saturated relay proportional-derivative (PD) control is proposed. The proposed control is conceived within the framework of nonlinear PD methodology. It is accomplished by adding a relay position error for friction compensation to the saturated PD control law. For faster transient with bounded input, a saturated nonlinear function is introduced. Lyapunov's direct method is employed to prove global asymptotic positioning. The appealing advantages of the proposed control are that it is fairly easy to construct without involvement of any modeling parameter and has the ability to avoid the actuator saturation. Numerical example and experiments demonstrate the effectiveness and improved performance of the proposed approach.

KW - Engineering

KW - Error compensation

KW - Friction

KW - Mechanical actuators

UR - http://www.scopus.com/inward/record.url?scp=85062898660&partnerID=8YFLogxK

U2 - 10.1115/1.4042883

DO - 10.1115/1.4042883

M3 - Journal articles

AN - SCOPUS:85062898660

VL - 141

JO - Journal of Dynamic Systems, Measurement and Control

JF - Journal of Dynamic Systems, Measurement and Control

SN - 0022-0434

IS - 6

M1 - 064504

ER -

DOI

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