Research on decoupled temperature control of multi-spot laser solid-state phase transformation based on ADRC algorithm

Chen Zhijun; Zhang Liangjian; Zhnag Qunli; Ma Xiaofei; Yao Jianhua

doi:10.11884/HPLPB202537.250045

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Article Navigation > High Power Laser and Particle Beams > 2025 > Accepted Manuscript

Chen Zhijun, Zhang Liangjian, Zhnag Qunli, et al. Research on decoupled temperature control of multi-spot laser solid-state phase transformation based on ADRC algorithm[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250045

Citation:

Chen Zhijun, Zhang Liangjian, Zhnag Qunli, et al. Research on decoupled temperature control of multi-spot laser solid-state phase transformation based on ADRC algorithm[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250045

Citation:

Chen Zhijun, Zhang Liangjian, Zhnag Qunli, et al. Research on decoupled temperature control of multi-spot laser solid-state phase transformation based on ADRC algorithm[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.250045

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Research on decoupled temperature control of multi-spot laser solid-state phase transformation based on ADRC algorithm

doi: 10.11884/HPLPB202537.250045

Chen Zhijun^{1, 2, 3, 4
,},
Zhang Liangjian^{1, 2, 3},
Zhnag Qunli^{1, 2, 3, 4},
Ma Xiaofei⁵,
Yao Jianhua^{1, 2, 3
,
,}

1.
Institute of Laser Advanced Manufacturing, Zhejiang University of Technology, Hangzhou 310023, China
2.
College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310023, China
3.
International Science & Technology Cooperation Base on Laser Green Manufacturing, Zhejiang Province, Hangzhou 310023, China
4.
Quzhou Eco-Industrial Innovation Institute ZJUT, Longyou 324400, China
5.
Hangzhou Steam Turbine Co., Ltd., Hangzhou 310014, China

Received Date: 2025-03-12
Accepted Date: 2025-06-13
Rev Recd Date: 2026-06-18

Available Online: 2025-06-30

Abstract

Abstract

In view of the limitations associated with traditional single-spot laser solid-state phase transformation temperature control methods in complex curved workpieces, this paper proposes a Multi-input Multi-output (MIMO) temperature decoupling control strategy based on Active Disturbance Rejection Control (ADRC). Firstly, a finite element model of multi-spot laser-induced solid-state phase transformation was developed, and a model-order reduction method was applied to extract the key dynamic characteristics of the system, significantly reducing computational complexity and laying a foundation for effective control. Subsequently, to address the high-frequency jitter problem encountered by the conventional fal function within small-error regions, an improved bfal function based on Bernstein polynomials was proposed, thereby enhancing system observation accuracy and disturbance rejection capability. Moreover, an improved Particle Swarm Optimization (PSO) algorithm was utilized for the parameter tuning of ADRC controllers, effectively accelerating the optimization process. Finally, co-simulations conducted on the MATLAB/Simulink and COMSOL platforms demonstrated that the proposed PSO-ADRC controller achieves superior performance in terms of response speed, overshoot reduction, and steady-state accuracy compared to the conventional PID and standard ADRC methods. The method thus provides an efficient and precise solution for multi-spot laser solid-state phase transformation temperature control in complex curved workpieces.
- laser solid-state phase transformation,
- temperature control,
- model reduction,
- active disturbance rejection control,
- arrayed laser spots

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References(21)

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