Correction: Shi et al. Active Disturbance Rejection-Based Tracking Control of Robotic Manipulators Under a Universal Symmetry Constraint Framework. Symmetry 2026, 18, 919

Shi, Zhihan; Zhang, Chen; Zhang, Guangming

doi:10.3390/sym18061002

Open AccessCorrection

Correction: Shi et al. Active Disturbance Rejection-Based Tracking Control of Robotic Manipulators Under a Universal Symmetry Constraint Framework. Symmetry 2026, 18, 919

by

Zhihan Shi

¹,

Chen Zhang

²

and

Guangming Zhang

^1,2,*

¹

School of Electrical and Energy Engineering, Nantong Institute of Technology, Nantong 226002, China

²

School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211816, China

^*

Author to whom correspondence should be addressed.

Symmetry 2026, 18(6), 1002; https://doi.org/10.3390/sym18061002

Submission received: 8 June 2026 / Accepted: 8 June 2026 / Published: 11 June 2026

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Reference Correction

In the original publication [1], there was an error in reference [20]. The article “Han, J. Auto-disturbances-rejection Controller and Its Applications. Control Decis. 1998, 13, 19–23.” was not the intended reference for the tracking differentiator and was incorrectly recorded in the reference list. The correct reference [20] should be the following:

Han, J.Q.; Wang, W. Nonlinear tracking-differentiator. J. Syst. Sci. Math. Sci. 1994, 14, 177–183. (In Chinese)

Accordingly, reference [20] has been updated in the reference list. The authors state that the scientific conclusions are unaffected. This correction was approved by the Academic Editor. The original publication has also been updated.

Reference

Shi, Z.; Zhang, C.; Zhang, G. Active Disturbance Rejection-Based Tracking Control of Robotic Manipulators Under a Universal Symmetry Constraint Framework. Symmetry 2026, 18, 919. [Google Scholar] [CrossRef]

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MDPI and ACS Style

Shi, Z.; Zhang, C.; Zhang, G. Correction: Shi et al. Active Disturbance Rejection-Based Tracking Control of Robotic Manipulators Under a Universal Symmetry Constraint Framework. Symmetry 2026, 18, 919. Symmetry 2026, 18, 1002. https://doi.org/10.3390/sym18061002

AMA Style

Shi Z, Zhang C, Zhang G. Correction: Shi et al. Active Disturbance Rejection-Based Tracking Control of Robotic Manipulators Under a Universal Symmetry Constraint Framework. Symmetry 2026, 18, 919. Symmetry. 2026; 18(6):1002. https://doi.org/10.3390/sym18061002

Chicago/Turabian Style

Shi, Zhihan, Chen Zhang, and Guangming Zhang. 2026. "Correction: Shi et al. Active Disturbance Rejection-Based Tracking Control of Robotic Manipulators Under a Universal Symmetry Constraint Framework. Symmetry 2026, 18, 919" Symmetry 18, no. 6: 1002. https://doi.org/10.3390/sym18061002

APA Style

Shi, Z., Zhang, C., & Zhang, G. (2026). Correction: Shi et al. Active Disturbance Rejection-Based Tracking Control of Robotic Manipulators Under a Universal Symmetry Constraint Framework. Symmetry 2026, 18, 919. Symmetry, 18(6), 1002. https://doi.org/10.3390/sym18061002

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Correction: Shi et al. Active Disturbance Rejection-Based Tracking Control of Robotic Manipulators Under a Universal Symmetry Constraint Framework. Symmetry 2026, 18, 919

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