Dynamic Analysis and Vibration Control of Additively Manufactured Thin-Walled Polylactic Acid Polymer (PLAP) and PLAP Composite Beam Structures: Numerical Investigation and Experimental Validation. [PDF]
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Equivalence of LADRC and INDI controllers for improvement of LADRC in practical applications
ISA Transactions, 2022This paper explores the equivalence between the linear active disturbance rejection control (LADRC) and incremental nonlinear dynamic inversion (INDI) controllers. The equivalence is verified using an n-order, single-input-single-output, perturbed, pure integration plant which represents a class of feedback linearizable systems. And the linear extended
Jiang Zhao, Yingxun Wang
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A Generalized PID Interpretation for High-Order LADRC and Cascade LADRC for Servo Systems
IEEE Transactions on Industrial Electronics, 2022It is well known that proportional-integral-derivative (PID) controllers are dominant in industrial scenarios. PID with high order derivative or integral terms named generalized PID is superior to the PID. However, there is little literature investigating how to tune the parameters of the generalized PID to enhance the disturbance rejection ability ...
Ping Lin, Zhongyang Fei, Xi-Ming Sun
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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 ...
Yuyan Yu
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Application of LADRC with stability region for a hydrotreating back-flushing process
Control Engineering Practice, 2018Abstract Control of liquid level is an important factor in diesel catalytic cracking. Because there may be many unexpected situations during operation, we should not only consider the deviation control of the liquid level, but also consider the sudden change of liquid level caused by sudden feeding.
Dazi Li, Qibing Jin
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On Parameter Stability Region of LADRC for Time-Delay Analysis with a Coupled Tank Application [PDF]
Processes, 2020 The control of time-delay systems is a hot research topic. Ever since the theory of linear active disturbance rejection control (LADRC) was put forward, considerable progress has been made.
Dazi Li, Qibing Jin
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A Modified LADRC-Based DC-Link Voltage Controller for Photovoltaic Grid-Connected Inverters [PDF]
Electronics (Switzerland), 2021 To enhance the robust stability of the dc-link voltage in the photovoltaic (PV) grid-connected system, a modified linear active disturbance rejection control (LADRC)-based regulation strategy is presented in this paper.
Xuesong Zhou, Youjie Ma, Bingjie Xie
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Vertical Profile Diving and Floating Motion Control of the Underwater Glider Based on Fuzzy Adaptive LADRC Algorithm [PDF]
Journal of Marine Science and Engineering, 2021 The underwater glider is a kind of novel invention that has been proven to be perfect for long-duration, wide-range marine environmental monitoring tasks. It is controlled by changing the buoyancy and adjusting the posture.
Zhiguang Wang +2 more
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Improved Performance for PMSM Sensorless Control Based on the LADRC Controller, ESO-Type Observer, DO-Type Observer, and RL-TD3 Agent [PDF]
Mathematics, 2023 Starting from the fact that in sensorless control systems of the Permanent Magnet Synchronous Motor (PMSM), the load torque can have short and significant variations, this paper presents the sensorless control of a PMSM based on a Linear Adaptive ...
Claudiu-Ionel Nicola +2 more
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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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