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学者姓名：张和洪
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Abstract ：
针对航空发动机高空舱飞行高度模拟控制系统存在的强非线性、高度不确定性、强外部扰动等实际工程问题，对抑制系统不确定性影响的主要控制方法进行了分析和讨论，设计了一种基于降阶线性扩张状态观测器（RLESO）的串级线性自抗扰（LADRC）鲁棒控制方法。分析了被控对象的主要特性和控制难点，并将广义受控对象分为蝶阀位置回路和飞行高度回路。对两个回路分别设计降阶扩张状态观测器和控制器并组建串级控制系统。通过控制仿真并与经典PID控制方法进行了对比分析，结果显示在推力瞬变试验控制仿真中，被控压力的最大波动值从3.5 kPa减小至0.8 kPa，表明了基于RLESO的串级LADRC技术能够显著提升高空台飞行高度模拟的控制品质，获得了较为理想的鲁棒控制性能和抗扰性能。
Keyword ：
线性自抗扰控制器 线性自抗扰控制器 降阶线性扩张状态观测器 降阶线性扩张状态观测器 飞行高度模拟 飞行高度模拟 高空舱 高空舱 鲁棒性 鲁棒性
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| GB/T 7714 | 但志宏 , 张松 , 张和洪 et al. 高空舱飞行高度模拟串级LADRC鲁棒控制技术 [J]. | 航空动力学报 , 2024 , 39 (04) : 284-293 . |
| MLA | 但志宏 et al. "高空舱飞行高度模拟串级LADRC鲁棒控制技术" . | 航空动力学报 39 . 04 (2024) : 284-293 . |
| APA | 但志宏 , 张松 , 张和洪 , 钱秋朦 , 王信 , 赵伟 . 高空舱飞行高度模拟串级LADRC鲁棒控制技术 . | 航空动力学报 , 2024 , 39 (04) , 284-293 . |
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To address significant disturbances, including sudden air flow variation, model uncertainty, and unavoidable measurement noises during aeroengine transient tests in the intake environmental pressure simulation system (IEPSS), a sliding mode active disturbance rejection controller (SMADRC) is designed. The sliding mode control in SMADRC can deal with unmatched disturbances that are beyond the capabilities of the extended state observer (ESO) in ADRC. And the particle swarm optimization (PSO) algorithm is introduced to tune and optimize the controller parameters to further enhance the performance. To validate the effectiveness of the proposed method, simulations are conducted on the IEPSS software platform. The simulation results clearly demonstrate PSO-SMADRC can reduce the mean squared error by 60.9%, the input oscillation by 68.7%, and the maximum deviation by 53.9%, compared with LADRC originally applied in the IEPSS.
Keyword ：
active disturbance rejection control active disturbance rejection control non-linear control systems non-linear control systems particle swarm optimisation particle swarm optimisation pressure control pressure control
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| GB/T 7714 | Chuanjian, Li , Chao, Zhai , Hehong, Zhang et al. PSO-SMADRC for altitude test facility intake pressure environmental simulation system [J]. | ELECTRONICS LETTERS , 2024 , 60 (3) . |
| MLA | Chuanjian, Li et al. "PSO-SMADRC for altitude test facility intake pressure environmental simulation system" . | ELECTRONICS LETTERS 60 . 3 (2024) . |
| APA | Chuanjian, Li , Chao, Zhai , Hehong, Zhang , Shiqi, Zheng . PSO-SMADRC for altitude test facility intake pressure environmental simulation system . | ELECTRONICS LETTERS , 2024 , 60 (3) . |
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With strong nonlinearity， high uncertainty and strong external disturbance for flight altitude simulation of altitude test facility， a robust cascade linear active disturbance rejection control (LADRC) algorithm via the reduced order linear extended state observer (RLESO) was proposed. In particular， the main characteristics and control issues of the controlled plant were analyzed， and the generalized controlled plant can be included by the butterfly valve position loop and flight altitude loop. The RLESO and corresponding controller were designed for the two loops respectively， meanwhile the cascade control system was constructed. The robust cascade LADRC was realized in the simulation environment and compared with the classical PID control scheme. When the engine was subject to the thrust transient test，the maximum fluctuation value of the controlled pressure was reduced from 3.5 kPa to 0.8 kPa. This indicated that the robust cascade LADRC technology via RLESO can significantly improve the dynamic control quality. The ideal robust control performance and anti-disturbance ability for flight altitude simulation were obtained. © 2024 Beijing University of Aeronautics and Astronautics (BUAA). All rights reserved.
Keyword ：
Altitude control Altitude control Cascade control systems Cascade control systems Disturbance rejection Disturbance rejection Flight control systems Flight control systems Flight simulators Flight simulators Quality control Quality control Robust control Robust control State estimation State estimation Three term control systems Three term control systems
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| GB/T 7714 | Dan, Zhihong , Zhang, Song , Zhang, Hehong et al. Robust cascade LADRC technology for flight altitude simulation of high altitude cell [J]. | Journal of Aerospace Power , 2024 , 39 (4) . |
| MLA | Dan, Zhihong et al. "Robust cascade LADRC technology for flight altitude simulation of high altitude cell" . | Journal of Aerospace Power 39 . 4 (2024) . |
| APA | Dan, Zhihong , Zhang, Song , Zhang, Hehong , Qian, Qiumeng , Wang, Xin , Zhao, Wei . Robust cascade LADRC technology for flight altitude simulation of high altitude cell . | Journal of Aerospace Power , 2024 , 39 (4) . |
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In this article, we propose a continuous monitoring method to enhance disaster warning capabilities and address the persistent coverage problem in multi-agent systems. To enable the agent to continuously perform tasks, we transform the optimization objective function under energy constraints into constraints on control inputs. Additionally, the energy of the agent is constrained through the control barrier function (CBF), and a corresponding control framework is designed to achieve persistent task execution. We apply the proposed method to landslide early warning and validate its effectiveness and superiority in persistent coverage through numerical simulation. © 2024 IEEE.
Keyword ：
control barrier function control barrier function energy constraints energy constraints multi-agent systems multi-agent systems persistent coverage persistent coverage
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| GB/T 7714 | Qu, C. , Zhai, C. , Zhang, H. et al. Distributed Safe Coverage Control of Multi-agent Systems with Energy Constraints [未知]. |
| MLA | Qu, C. et al. "Distributed Safe Coverage Control of Multi-agent Systems with Energy Constraints" [未知]. |
| APA | Qu, C. , Zhai, C. , Zhang, H. , Xie, Y. . Distributed Safe Coverage Control of Multi-agent Systems with Energy Constraints [未知]. |
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高空舱进气环境压力模拟控制系统在发动机开展过渡态试验中存在强气流扰动及大量随机噪声干扰,为此,提出新型非线性状态误差反馈函数xal及在结构上引入总扰动状态变量反馈环节来设计扩张状态观测器算法(记作xal-ESO),并以此提出基于xal-ESO的高空舱进气环境压力模拟新型自抗扰控制方法.借助数值仿真对比所提出的xal-ESO与常见ESO在状态与总扰动方面的估计能力,结果表明xal-ESO能有效抑制系统输出噪声并取得较好的估计品质.基于系统核心设备模型搭建高空舱进气环境压力模拟仿真平台并进行工程试验,对比了基于xal-ESO的自抗扰控制与当前工程中使用的线性自抗扰控制的进气环境压力控制效果,试验结果显示线性自抗扰控制方法受噪声影响明显,而所提出的新型自抗扰控制方法在发动机过渡态试验中跟踪进气压力时超调量降低了58.70%,稳态误差降低了95.71%,表明该方法能够有效提升高空舱进气环境压力模拟效果,提升发动机过渡态性能评价的准确性.
Keyword ：
压力模拟 压力模拟 扩张状态观测器 扩张状态观测器 自抗扰控制 自抗扰控制 过渡态试验 过渡态试验 非线性状态误差反馈 非线性状态误差反馈 高空舱 高空舱
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| GB/T 7714 | 李婉如 , 张和洪 , 王鹏 et al. 高空舱进气环境压力模拟新型自抗扰控制 [J]. | 推进技术 , 2024 , 45 (8) : 246-256 . |
| MLA | 李婉如 et al. "高空舱进气环境压力模拟新型自抗扰控制" . | 推进技术 45 . 8 (2024) : 246-256 . |
| APA | 李婉如 , 张和洪 , 王鹏 , 翟超 , 张松 , 但志宏 et al. 高空舱进气环境压力模拟新型自抗扰控制 . | 推进技术 , 2024 , 45 (8) , 246-256 . |
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The super-twisting algorithm (STA)-based robust exact differentiator (RED) proposed by Levant has been widely applied in control, observation, and fault detection. With properly set parameters, STA-RED is able to estimate exactly and robustly the derivatives of an input. With a given input signal, however, a practical parameter tuning rule still lacks. To this end, a general parameter tuning algorithm with the full stability proof for STA-RED is proposed. In particular, the time linear transformation and the coordinate transformation are performed on a given base signal, allowing the deterministic relationship between the parameters of STA-RED and the amplitude and the frequency of the input to be obtained. The full stability of the STA-RED based on the proposed parameter tunning algorithm (denoted as PSTA-RED) with perturbations is given using the Lyapunov function method. The simulations are carried out using given input signals and the pressure signals from the altitude ground test facility to illustrate the effectiveness of the proposed PSTA-RED.
Keyword ：
altitude ground test facility altitude ground test facility differentiation differentiation Differentiator Differentiator filtering filtering parameter tuning algorithm parameter tuning algorithm stability stability
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| GB/T 7714 | Wang, Juan , Zhang, Hehong , Dan, Zhihong et al. A practical parameter tuning algorithm for super-twisting algorithm-based differentiator and its application in altitude ground test facility [J]. | TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL , 2024 . |
| MLA | Wang, Juan et al. "A practical parameter tuning algorithm for super-twisting algorithm-based differentiator and its application in altitude ground test facility" . | TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL (2024) . |
| APA | Wang, Juan , Zhang, Hehong , Dan, Zhihong , Zhang, Song , Xiao, Gaoxi , Zhai, Chao . A practical parameter tuning algorithm for super-twisting algorithm-based differentiator and its application in altitude ground test facility . | TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL , 2024 . |
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Abstract ：
针对航空发动机高空环境模拟过渡态试验对高空舱进气环境压力模拟系统提出的强抗扰性、强鲁棒性等控制综合品质要求,设计了一种基于鲁棒模型预测控制(Robust Model Predictive Control,RMPC)的高空舱进气环境压力控制方法.RMPC采用滚动时域优化和扰动反馈补偿的方法,在预测控制框架内处理模型的不确定性.通过建立进气环境压力模拟系统设备特性模型,设计了基于RMPC的进气环境压力控制 策略,搭建了仿真平台,与线性自抗扰控制(Linear Active Disturbance Rejection Control,LADRC)方法进行了对比分析.仿真结果表明,应用RMPC技术后,动态调节时间由7.68 s缩短至3.91 s,最大瞬时波动量由0.94％减小至0.25％,该技术能够大幅提高发动机高空环境模拟过渡态试验中进气环境压力模拟的动态响应速度、控制精度和抗扰能力.
Keyword ：
压力模拟 压力模拟 最优控制 最优控制 过渡态试验 过渡态试验 高空舱 高空舱 鲁棒模型预测控制 鲁棒模型预测控制
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| GB/T 7714 | 林珏 , 张和洪 , 但志宏 et al. 高空舱进气环境压力模拟鲁棒模型预测控制 [J]. | 测控技术 , 2024 , 43 (8) : 64-71 . |
| MLA | 林珏 et al. "高空舱进气环境压力模拟鲁棒模型预测控制" . | 测控技术 43 . 8 (2024) : 64-71 . |
| APA | 林珏 , 张和洪 , 但志宏 , 吴珊珊 , 徐莹莹 , 翟超 . 高空舱进气环境压力模拟鲁棒模型预测控制 . | 测控技术 , 2024 , 43 (8) , 64-71 . |
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This work is concerned with the L-1 bumpless transfer control issue for switched positive delayed systems on finite horizons. A bumpless transfer input scheme and a state-dependent limited frequency switching scheme, induced by the transient control input discontinuities during controller switching and by the frequent switching for multiple subsystems, respectively, are jointly introduced. The main advantages of the presented schemes are that the amplitude of the control input discontinuities and the frequent switches are all reduced by the dual design of bumpless transfer controllers for subsystems and a state-dependent limited frequency switching scheme. By utilizing the multiple linear copositive Lyapunov functionals, sufficient conditions are also offered so as to achieve the desirable closed-loop performances, including positivity, finite-time boundedness, bumpless transfer property and a prescribed L-1-gain property. Finally, a practical example is borrowed which validates the proposed schemes.
Keyword ：
bumpless transfer bumpless transfer finite-time L-1-gain performance finite-time L-1-gain performance state-dependent switching state-dependent switching switched positive delayed systems switched positive delayed systems
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| GB/T 7714 | Wang, Peng , Lin, Pin , Zhang, Hehong et al. Finite-time L1 bumpless transfer control for switched positive delayed systems: A state-dependent limited frequency switching scheme [J]. | INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL , 2024 , 34 (13) : 9166-9181 . |
| MLA | Wang, Peng et al. "Finite-time L1 bumpless transfer control for switched positive delayed systems: A state-dependent limited frequency switching scheme" . | INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL 34 . 13 (2024) : 9166-9181 . |
| APA | Wang, Peng , Lin, Pin , Zhang, Hehong , Zhao, Ying , Sang, Hong , Dimirovski, Georgi M. . Finite-time L1 bumpless transfer control for switched positive delayed systems: A state-dependent limited frequency switching scheme . | INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL , 2024 , 34 (13) , 9166-9181 . |
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针对机载惯性稳定平台电磁轴承的体积、质量较大，电磁场和温度场同时运算的双向耦合法研究较少的问题，提出一种轻量化、大承载磁悬浮机载惯性稳定平台电磁轴承的总体方案，设计了三点式单导磁环电磁轴承支承方式，采用有限元法完成该系统电磁性能的仿真分析，并对结构强度进行校核，完成电磁场和温度场单向、双向耦合的温度场分析。结果表明，电磁轴承性能满足设计要求，磁热双向耦合分析得到的温度分布更符合实际情况，自然空冷的方式能保证系统安全运行。
Keyword ：
有限元分析 有限元分析 温度场 温度场 滑动轴承 滑动轴承 磁力轴承 磁力轴承 稳定平台 稳定平台
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| GB/T 7714 | 赵巍龙 , 张志洲 , 李优 et al. 轻量型机载惯性稳定平台电磁轴承性能与温度场仿真分析 [J]. | 轴承 , 2024 , PageCount-页数: 8 (07) : 115-121,137 . |
| MLA | 赵巍龙 et al. "轻量型机载惯性稳定平台电磁轴承性能与温度场仿真分析" . | 轴承 PageCount-页数: 8 . 07 (2024) : 115-121,137 . |
| APA | 赵巍龙 , 张志洲 , 李优 , 潘月亮 , 张和洪 . 轻量型机载惯性稳定平台电磁轴承性能与温度场仿真分析 . | 轴承 , 2024 , PageCount-页数: 8 (07) , 115-121,137 . |
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In fault detection, feedback control, and other fields, real-time differential estimation of a given signal in a complex noise environment is an important but challenging task. In this paper, a discrete-time fast nonlinear tracking differentiator (FNTD) based on hyperbolic tangent functions was proposed. To start, the differential signal acquisition problem was equated to the time-optimal control (TOC) law for constructing a double-integral system using a state feedback approach. Next, the FNTD algorithm based on the hyperbolic tangent function was presented by utilizing the isochronic region (IR) method in the discrete time domain. Then, the frequency-domain characteristics of the FNTD were analyzed and the rule for tuning the parameters was provided by the frequency scan test method. Finally, the simulation results demonstrated that the proposed FNTD had fast and accurate tracking performance, as well as excellent filtering and differential extraction capability compared with other differentiators.
Keyword ：
control synthesis function (CSF) control synthesis function (CSF) fast nonlinear tracking differentiator ff erentiator (FNTD) fast nonlinear tracking differentiator ff erentiator (FNTD) frequency-domain characteristics frequency-domain characteristics frequency scan test frequency scan test isochronic region (IR) method isochronic region (IR) method
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| GB/T 7714 | Zhang, Zhizhou , Pan, Yueliang , Zhao, Weilong et al. Frequency analysis of a discrete-time fast nonlinear tracking differentiator algorithm based on isochronic region method [J]. | ELECTRONIC RESEARCH ARCHIVE , 2024 , 32 (9) : 5157-5175 . |
| MLA | Zhang, Zhizhou et al. "Frequency analysis of a discrete-time fast nonlinear tracking differentiator algorithm based on isochronic region method" . | ELECTRONIC RESEARCH ARCHIVE 32 . 9 (2024) : 5157-5175 . |
| APA | Zhang, Zhizhou , Pan, Yueliang , Zhao, Weilong , Zhang, Jinchu , Zi, Zheng , Xie, Yuan et al. Frequency analysis of a discrete-time fast nonlinear tracking differentiator algorithm based on isochronic region method . | ELECTRONIC RESEARCH ARCHIVE , 2024 , 32 (9) , 5157-5175 . |
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