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Admittance Modeling and Stability Analysis of Grid-Connected Inverter With LADRC-PLL
IEEE Transactions on Industrial Electronics, 2021 It tends to cause system oscillation when the inverter with a phase-locked loop based on proportional integral controller (PI-PLL) is connected to the weak grid. To improve the oscillation suppression ability of the grid-connected inverter, a linear active disturbance rejection controller is applied to PLL (LADRC-PLL).
Zhiwei Xie, Yandong Chen, Wenhua Wu
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An Improved LADRC Algorithm for Quadrotors
2020 39th Chinese Control Conference (CCC), 2020Inthis paper, a quadrotor’s tracking control problem is investigated in which the feedback loop has a time delay caused by transmission. First, the relative motion model is established. Then, an improved Linear Active Disturbance Rejection Controller(LADRC) algorithm is proposed to deal with the time delay in feedback.
Zhaochen Lin +4 more
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Load Frequency Control of Pumped Storage Power Station Based on LADRC
Processes, 2020 The pumped storage power station has the characteristics of frequency-phase modulation, energy saving, and economy, and has great development prospects and application value. In order to cope with the large-scale integration and intermittency of renewable energy and improve the ability of pumped storage units to participate in power grid frequency ...
Zhao Luo
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LADRC based TEC Temperature Control System
2019 Chinese Control And Decision Conference (CCDC), 2019thermoelectric cooler (TEC) is widely applied in temperature control areas. Traditional PID based temperature controller cannot reach a stable operation status. In this paper, a LADRC based TEC temperature control system is designed. Comparing with the PID based control process, the LADRC based one has a significant better dynamic tracking capacity to ...
Keyi Shao, Wanping Hu, Yi Hu, Yuyan Yu
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Electromagnetic Heating Temperature Control System Based on LADRC
2019 Chinese Control And Decision Conference (CCDC), 2019Electromagnetic heating technology, or induction heating technology, is an important application of ferrari electromagnetic induction technology, which is a process of energy conversion from electrical energy to thermal energy using the principle of electromagnetic induction.
Ji Li +4 more
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Application of LADRC Algorithm in Energy-saving Heating Control System
2021 4th International Conference on Advanced Electronic Materials, Computers and Software Engineering (AEMCSE), 2021In view of the increasingly strong awareness of energy conservation and environmental protection and the increasing status of building energy conservation, based on the LADRC control algorithm, combined with ZigBee wireless communication technology, M-Bus bus transmission technology and Web configuration software, a design of an energy-saving heating ...
Jin Hua, Cai Yong, Li Lingdong
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Attitude Control of Quadrotor UAV Based on LADRC Method
2019 Chinese Control And Decision Conference (CCDC), 2019Quadrotor Unmanned Aerial Vehicle (UAV) contains nonlinearity and strong coupling, and it is susceptible to external disturbance. Herein, a design method of attitude control of UAV is presented based on Linear Active Disturbance Rejection Control (LADRC) theory. A transition process is firstly arranged to decrease the overshoot and improve the rapidity
Xuehui Liang, Jingtao Li, Fei Zhao
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Tracking Control of Two DOF Manipulator Based on LADRC
2019 IEEE 4th International Conference on Advanced Robotics and Mechatronics (ICARM), 2019A tracking controller is developed for two degree of freedom (DOF) manipulator by using linear active disturbance rejection control (LADRC) method in this paper. The decoupling problem of a two-degree-of-freedom manipulator is studied, and the error generated by decoupling is explicitly considered as a part of composite disturbance in the controller ...
Wenchao Zheng +3 more
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Research on photovoltaic energy storage system based on LADRC
2017 IEEE Transportation Electrification Conference and Expo, Asia-Pacific (ITEC Asia-Pacific), 2017To improve the dynamic performance and the anti-disturbance capability of the photovoltaic energy storage system, a control strategy of the bidirectional DC-DC converter based on Linear Active Disturbance Rejection Control (LADRC) is proposed in this paper. Firstly, the mathematical model of the bidirectional DC-DC converter is established.
Hui Yang +4 more
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Immunity of shunt active power filter based on improved LADRC
Transactions of the Institute of Measurement and Control, 2023To improve the dynamic response speed and performance of active power filter controller, and improve the robustness, tracking ability, and disturbance rejection ability of linear active disturbance rejection controller (ADRC), an improved linear ADRC (LADRC) is proposed.
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