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基于超螺旋算法的永磁同步电动机 直接转矩自抗扰控制.

Publication Type: Academic Journal

Source(s): Journal of Jiangsu University (Natural Science Edition) / Jiangsu Daxue Xuebao (Ziran Kexue Ban). Nov2022, Vol. 43 Issue 6, p680-684. 5p.

Abstract: 针对传统永磁同步电动机直接转矩控制存在较大的定子磁链, 电磁转矩脉动以及电动机在低速运行段控制效果差等不足, 提出了基于超螺旋滑模的自抗扰控制调速方法.首先将传统直接转矩控制系统中的磁链环和转矩环上的滞环控制器替换成超螺旋滑模控制器, 以解决由滞环控制引起的定子磁链, 电磁转矩脉动的问题;其次将控制系统中速度环采用的PI控制器替换成自抗扰控制器, 以改善控制系统在低速运行段控制效果不佳以及转速超调的问题.给出了 PMSM 数学模型.完成了基于 DTC 的 PMSM 调速设计, 包括基于 STSM 的...

A Dual-Position Loop LLADRC Control Method Based on Harmonic Gear Drive.

Publication Type: Academic Journal

Source(s): Mathematical Problems in Engineering. 7/31/2022, p1-11. 11p.

Abstract: High-resolution imaging has become a development trend and is widely used in military and civil fields. As the carrying equipment of imaging system, the speed stability of tracking turntable is the basis of high-resolution and stable imaging. At presen...


Publication Type: Academic Journal

Source(s): Scientific Studies & Research. Series Mathematics & Informatics. 2022, Vol. 32 Issue 2, p59-64. 6p.


Abstract: We study differentiable systems with control in tangent bundle, including the feedback of these systems. [ABSTRACT FROM AUTHOR]

Finite-time fuzzy adaptive output feedback control of electro-hydraulic system with actuator faults.

Publication Type: Periodical

Source(s): Information Sciences. Apr2023, Vol. 623, p577-591. 15p.

Abstract: This article studies the fuzzy finite-time output -feedback control problem on electro-hydraulic systems (EHSs). The EHSs addressed in this study contain unknown states and are subject to actuator faults. The internal leakage and friction are unknown n...

Deep Deterministic Policy Gradient to Regulate Feedback Control Systems Using Reinforcement Learning.

Publication Type: Academic Journal

Source(s): Computers, Materials & Continua. 2021, Vol. 71 Issue 1, p1153-1169. 17p.

Abstract: Controlling feedback control systems in continuous action spaces has always been a challenging problem. Nevertheless, reinforcement learning is mainly an area of artificial intelligence (AI) because it has been used in process control for more than a d...

HSCFC: High-dimensional streaming data clustering algorithm based on feedback control system.

Publication Type: Academic Journal

Source(s): Future Generation Computer Systems. Sep2023, Vol. 146, p156-165. 10p.

Abstract: At present, few studies have considered the clustering analysis of high-dimensional data collected by many sensors in a real-time streaming environment. Existing clustering analysis algorithms for high-dimensional data are primarily based on batch proc...

Event-based optimization of service rate control in retrial queues.

Publication Type: Academic Journal

Source(s): Journal of the Operational Research Society. Mar2023, Vol. 74 Issue 3, p979-991. 13p.

Abstract: This paper deals with the problem of service rate control for a retrial queue where the controller can observe only the number of total customers in the system. Service rates are adjustable based on the partial information (the arrival or departure eve...

Spacecraft attitude estimation under attitude tracking maneuver during close-proximity operations.

Publication Type: Academic Journal

Source(s): Advances in Space Research. May2023, Vol. 71 Issue 10, p4315-4331. 17p.

Abstract: This paper presents a real-time relative three-axis attitude estimation using a camera and two gyros under momentum changes during close-proximity operations. The camera sensor provides quaternion measurements that relate the body frame of the deputy s...

Real-time quality control of dripping pill's weight based on laser detection technology.

Publication Type: Academic Journal

Source(s): Scientific Reports. 4/15/2023, Vol. 13 Issue 1, p1-11. 11p.

Abstract: The present work reports developing the first process analytical technology (PAT)-based real-time feedback control system for maintaining the Ginkgo biloba leaf dripping pills weight during manufacturing. The opening degree of the drop valve and the we...

Time‐optimal control of piecewise affine bistable gene‐regulatory networks.

Publication Type: Academic Journal

Source(s): International Journal of Robust & Nonlinear Control. Jun2023, Vol. 33 Issue 9, p4967-4988. 22p.

Abstract: We study the minimal‐time problem for a piecewise affine bistable switch. Motivated by applications in synthetic biology and biotechnology, the aim is to minimize the time needed for this system to achieve transitions between its two stable steady stat...