{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T01:44:16Z","timestamp":1760060656789,"version":"build-2065373602"},"reference-count":37,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2025,9,8]],"date-time":"2025-09-08T00:00:00Z","timestamp":1757289600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Liaoning Provincial Education Department Scientific Research Project","award":["LJ212510150031","LJ212410150040","JYTMS20230038","202318","202344"],"award-info":[{"award-number":["LJ212510150031","LJ212410150040","JYTMS20230038","202318","202344"]}]},{"name":"Liaoning Province Transportation Science and Technology Project","award":["LJ212510150031","LJ212410150040","JYTMS20230038","202318","202344"],"award-info":[{"award-number":["LJ212510150031","LJ212410150040","JYTMS20230038","202318","202344"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Algorithms"],"abstract":"<jats:p>To address the problems of random noise interference, inadequate disturbance estimation and compensation, and the difficulty in controller parameter tuning in speed tracking control of high-speed trains, an improved Active Disturbance Rejection Control (ADRC) strategy combined with a Sobol-based Black Widow Optimization (SBWO) algorithm is proposed. An improved Tracking Differentiator (TD) is adopted by integrating a novel optimal control synthesis function with a phase compensator to suppress input noise and ensure a smooth transition process. A novel Extended State Observer (ESO) using a nonlinear saturation function is designed to improve the observation accuracy and decrease chattering. An enhanced Nonlinear State Error Feedback (NLSEF) law that incorporates an error integral and adaptive parameter update laws is developed to reduce steady-state error and achieve self-tuned proportional and derivative gains. A feedforward compensation term is added to provide real-time dynamic compensation for ESO estimation errors. Finally, an enhanced Black Widow Optimization (BWO) algorithm, which initializes its population with Sobol sequences to improve its global search capability, is employed for parameter optimization. The simulation results demonstrate that compared with the control methods based on Proportional\u2013Integral\u2013Derivative (PID) control and conventional ADRC, the proposed strategy achieves higher steady-state tracking accuracy, better adaptability to dynamic operating conditions, stronger anti-disturbance ability, and more precise stopping precision.<\/jats:p>","DOI":"10.3390\/a18090566","type":"journal-article","created":{"date-parts":[[2025,9,8]],"date-time":"2025-09-08T11:51:12Z","timestamp":1757332272000},"page":"566","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Improved Active Disturbance Rejection Speed Tracking Control for High-Speed Trains Based on SBWO Algorithm"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9900-8146","authenticated-orcid":false,"given":"Chuanfang","family":"Xu","sequence":"first","affiliation":[{"name":"School of Electrical Engineering, Dalian Jiaotong University, Dalian 116028, China"}]},{"given":"Chengyu","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Electrical Engineering, Dalian Jiaotong University, Dalian 116028, China"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-5370-149X","authenticated-orcid":false,"given":"Mingxia","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Electrical Engineering, Dalian Jiaotong University, Dalian 116028, China"}]},{"given":"Jiaqing","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Electrical Engineering, Dalian Jiaotong University, Dalian 116028, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7226-5900","authenticated-orcid":false,"given":"Longda","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Electrical Engineering, Dalian Jiaotong University, Dalian 116028, China"}]},{"given":"Zhaoyu","family":"Han","sequence":"additional","affiliation":[{"name":"School of Electrical Engineering, Dalian Jiaotong University, Dalian 116028, China"}]}],"member":"1968","published-online":{"date-parts":[[2025,9,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1016\/j.trb.2017.01.002","article-title":"Joint optimization of high-speed train timetables and speed profiles: A unified modeling approach using space-time-speed grid networks","volume":"97","author":"Zhou","year":"2017","journal-title":"Transp. 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