2015
DOI: 10.1007/s12555-014-0178-1
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Robust path tracking control of nonholonomic wheeled mobile robot: Experimental validation

Abstract: The article addresses a robust control strategy for efficient path tracking of nonholonomic wheeled mobile robot (WMR) based on time delay approach. Depending on the application requirements, nonholonomic WMR system might be subjected to various payloads, which affects the overall system mass, inertia, position of center of mass and other hardware parameters statically or dynamically. Under such circumstances, accurate modeling of nonholonomic robots is difficult and challenging. The proposed controller negoti… Show more

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Cited by 83 publications
(48 citation statements)
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“…• Problem 1: The stability analysis of TDC, as provided in [7], [26]- [27], [34], [35] [7], [26]- [27], [34], [35]), velocity and acceleration feedback are necessary to compute the control law. While in [6], only velocity feedback is required and acceleration term is approximated numerically using time delay.…”
Section: B Problem Definitions and Contributionsmentioning
confidence: 99%
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“…• Problem 1: The stability analysis of TDC, as provided in [7], [26]- [27], [34], [35] [7], [26]- [27], [34], [35]), velocity and acceleration feedback are necessary to compute the control law. While in [6], only velocity feedback is required and acceleration term is approximated numerically using time delay.…”
Section: B Problem Definitions and Contributionsmentioning
confidence: 99%
“…In [7], [8], [26]- [27], [34], [35], TDC is used to provide robustness against uncertainties. In this process, all the uncertain terms are represented by a single function which is then approximated using control input and state information of the immediate past time instant.…”
mentioning
confidence: 99%
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“…In another work, a robust control algorithm is presented for a WMR to track a reference signal. 30 The algorithm provides an estimation for unknown lumped disturbances and unmodeled dynamics plus an estimation for the inertia matrix. The estimations are based on the past input-output data and the second derivative of the reference signal is incorporated.…”
Section: Application 1: Wheeled Mobile Robotmentioning
confidence: 99%
“…Nevertheless, the adaptive laws reported in [9]- [13] make the switching gain a monotonically increasing function. Thus, the controllers become susceptible to very high switching gain and consequent chattering [16].…”
Section: Introductionmentioning
confidence: 99%