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河北汉光重工有限责任公司,河北 邯郸 056017
Received:14 November 2021,
Published:28 March 2023
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Quanxi GAO, Wei KE, Haiyan QIAO. Underwater Vehicle Control Based on Linear Active Disturbance Rejection[J]. Acta Armamentarii, 2023, 44(3): 783-791.
Quanxi GAO, Wei KE, Haiyan QIAO. Underwater Vehicle Control Based on Linear Active Disturbance Rejection[J]. Acta Armamentarii, 2023, 44(3): 783-791. DOI: 10.12382/bgxb.2021.0769.
针对水下运载器强非线性、强耦合、外界干扰、自身参数不确定的影响,基于线性自抗扰控制提出一种姿态解耦控制方法。将水下运载器各控制通道的相互耦合以及内外部的干扰作为总和扰动,通过扩张状态观测器对其进行估计,并引入到反馈控制器中进行补偿,使原非线性系统转化成线性系统,实现解耦控制。引入虚拟控制量,对舵引起的耦合进行解耦。基于此控制系统和水下运载器非线性动力学模型,给出稳定性分析。仿真结果表明,基于线性自抗扰的控制器具有响应快速、超调与稳态误差小、鲁棒性强的特点,较PID控制动态性能与抗干扰能力有较大提升。
To deal with the influence of strong nonlinearity
strong coupling
external disturbance and uncertain parameters of underwater vehicle
an attitude decoupling control method based on linear active disturbance rejection control is proposed. The mutual coupling of each control channel of the underwater vehicle and the internal and external disturbances are regarded as the total disturbance
which is estimated by the extended state observer and introduced into the feedback controller for compensation. The original nonlinear system is transformed into a linear system to realize decoupling control. The virtual control quantity is introduced to decouple the coupling caused by the rudder. Based on the control system and the nonlinear dynamic model of the underwater vehicle
the stability analysis is given. The simulation results show that the controller based on linear active disturbance rejection has the characteristics of fast response
small overshoot and steady-state error
and strong robustness. Compared with PID control
the dynamic performance and anti-disturbance ability are greatly improved.
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HU K , ZHANG X F , LIU C B . Unmanned underwater vehicle depth ADRC based on genetic algorithm near surface [J ] . Acta Armamentarii , 2013 , 34 ( 2 ): 217 - 222 . (in Chinese) DOI: 10.3969/j.issn.1000-1093.2013.02.014 http://doi.org/10.3969/j.issn.1000-1093.2013.02.014 A kind of auto disturbance rejection controller(ADRC) based on genetic algorithm for keeping UUV depth was designed according to the characteristics of UUV maneuvering. Because of more parameters of ADRC, its parameter design was transformed to parameter optimization. The controller parameter of ADRC in a UUV depth control system was optimized by using the genetic algorithm. The depth control of UUV was simulated without disturbing and near the surface. The simulation results show that the ADRC controller has better depth keeping and antijamming performances. Compared with the conventional PID controller, the amplitude and the frequency of steering controlled by ADRC controller are reduced much more obviously. The control quality of ADRC is significantly improved.
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