An Improved NSGA-II-Based Method for Cutting Trajectory Planning of Boom-Type Roadheader

This paper proposes a cutting trajectory planning method for boom-type roadheaders using an improved Nondominated Sorting Genetic Algorithm II (NSGA-II) with an elitist strategy. Existing methods often overlook constraints related to cutterhead dimensions and target sections, affecting section forma...

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Main Authors: Chao Zhang, Xuhui Zhang, Wenjuan Yang, Jicheng Wan, Guangming Zhang, Yuyang Du, Sihao Tian, Zeyao Wang
Format: Article
Language:English
Published: MDPI AG 2025-02-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/15/4/2126
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author Chao Zhang
Xuhui Zhang
Wenjuan Yang
Jicheng Wan
Guangming Zhang
Yuyang Du
Sihao Tian
Zeyao Wang
author_facet Chao Zhang
Xuhui Zhang
Wenjuan Yang
Jicheng Wan
Guangming Zhang
Yuyang Du
Sihao Tian
Zeyao Wang
author_sort Chao Zhang
collection DOAJ
description This paper proposes a cutting trajectory planning method for boom-type roadheaders using an improved Nondominated Sorting Genetic Algorithm II (NSGA-II) with an elitist strategy. Existing methods often overlook constraints related to cutterhead dimensions and target sections, affecting section formation quality. We develop a kinematic model for coordinate transformations and design a simplified cutterhead and constraint model to generate feasible cutting points. Bi-objective functions—minimizing cutting trajectory length and turning angle—are formulated as a bi-objective traveling salesman problem (BO-TSP) with adjacency constraints. NSGA-II is adapted with enhancements in adjacency constraint handling, population initialization, and genetic operations. Simulations and experiments demonstrate significant improvements in convergence speed and computation time. Virtual cutting experiments confirm trajectory feasibility under varying postures, achieving high formation quality. A comparison of planned and tracked trajectories shows a maximum deviation of 23.879 mm, supporting autonomous cutting control. This method advances cutting trajectory planning for roadway section formation and autonomous roadheader control.
format Article
id doaj-art-bca51bb4a72646c38dde8d998ed3af51
institution DOAJ
issn 2076-3417
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publishDate 2025-02-01
publisher MDPI AG
record_format Article
series Applied Sciences
spelling doaj-art-bca51bb4a72646c38dde8d998ed3af512025-08-20T03:12:16ZengMDPI AGApplied Sciences2076-34172025-02-01154212610.3390/app15042126An Improved NSGA-II-Based Method for Cutting Trajectory Planning of Boom-Type RoadheaderChao Zhang0Xuhui Zhang1Wenjuan Yang2Jicheng Wan3Guangming Zhang4Yuyang Du5Sihao Tian6Zeyao Wang7School of Mechanical Engineering, Xi’an University of Science and Technology, Xi’an 710054, ChinaSchool of Mechanical Engineering, Xi’an University of Science and Technology, Xi’an 710054, ChinaSchool of Mechanical Engineering, Xi’an University of Science and Technology, Xi’an 710054, ChinaSchool of Mechanical Engineering, Xi’an University of Science and Technology, Xi’an 710054, ChinaFaculty of Engineering and Technology, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, UKSchool of Mechanical Engineering, Xi’an University of Science and Technology, Xi’an 710054, ChinaSchool of Mechanical Engineering, Xi’an University of Science and Technology, Xi’an 710054, ChinaSchool of Mechanical Engineering, Xi’an University of Science and Technology, Xi’an 710054, ChinaThis paper proposes a cutting trajectory planning method for boom-type roadheaders using an improved Nondominated Sorting Genetic Algorithm II (NSGA-II) with an elitist strategy. Existing methods often overlook constraints related to cutterhead dimensions and target sections, affecting section formation quality. We develop a kinematic model for coordinate transformations and design a simplified cutterhead and constraint model to generate feasible cutting points. Bi-objective functions—minimizing cutting trajectory length and turning angle—are formulated as a bi-objective traveling salesman problem (BO-TSP) with adjacency constraints. NSGA-II is adapted with enhancements in adjacency constraint handling, population initialization, and genetic operations. Simulations and experiments demonstrate significant improvements in convergence speed and computation time. Virtual cutting experiments confirm trajectory feasibility under varying postures, achieving high formation quality. A comparison of planned and tracked trajectories shows a maximum deviation of 23.879 mm, supporting autonomous cutting control. This method advances cutting trajectory planning for roadway section formation and autonomous roadheader control.https://www.mdpi.com/2076-3417/15/4/2126cutting trajectory planningimproved NSGA-IIsection formingvirtual debuggingboom-type roadheader
spellingShingle Chao Zhang
Xuhui Zhang
Wenjuan Yang
Jicheng Wan
Guangming Zhang
Yuyang Du
Sihao Tian
Zeyao Wang
An Improved NSGA-II-Based Method for Cutting Trajectory Planning of Boom-Type Roadheader
Applied Sciences
cutting trajectory planning
improved NSGA-II
section forming
virtual debugging
boom-type roadheader
title An Improved NSGA-II-Based Method for Cutting Trajectory Planning of Boom-Type Roadheader
title_full An Improved NSGA-II-Based Method for Cutting Trajectory Planning of Boom-Type Roadheader
title_fullStr An Improved NSGA-II-Based Method for Cutting Trajectory Planning of Boom-Type Roadheader
title_full_unstemmed An Improved NSGA-II-Based Method for Cutting Trajectory Planning of Boom-Type Roadheader
title_short An Improved NSGA-II-Based Method for Cutting Trajectory Planning of Boom-Type Roadheader
title_sort improved nsga ii based method for cutting trajectory planning of boom type roadheader
topic cutting trajectory planning
improved NSGA-II
section forming
virtual debugging
boom-type roadheader
url https://www.mdpi.com/2076-3417/15/4/2126
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