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Non-ideal space division multiple access and its application None

Ji-ying XIANG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 3, Pages 357-366 doi: 10.1631/FITEE.1700827

Abstract: As the channel measuring is always non-ideal, we use two methods, feedback mode and non-feedback modeIt is proposed that the non-feedback mode is preferable even for some non-reciprocal channels.

Keywords： Fifth generation (5G) Condition number Channel reciprocity Feedback mode Non-feedback mode

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An autonomous miniature wheeled robot based on visual feedback control

CHEN Haichu

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2, Pages 197-200 doi: 10.1007/s11465-007-0033-7

Abstract: Using two micro-motors, a novel omni-direction miniature wheeled robot is designed on the basis of the bi-corner driving principle. The robot takes advantage of the Bluetooth technology to wirelessly transmit data at a short distance. Its position and omni-direction motion are precise. A Charge Coupled Device (CCD) camera is used for measuring and for visual navi gation. A control system is developed. The precision of the position is 0.5 mm, the resolution is about 0.05 mm, and the maximum velocity is about 52 mm/s. The visual navigation and control system allow the robot to navigate and track the target and to accomplish autonomous locomotion.

Keywords： measuring distance autonomous locomotion advantage navigation

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Tracking control of robot manipulators via output feedback linearization

FEI Yue-nong, Wu Qing-hua

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 3, Pages 329-335 doi: 10.1007/s11465-006-0034-y

Abstract: This paper presents a robot manipulator tracking controller based on output feedback linearization.A sliding mode perturbation observer (SPO) is designed to estimate unmeasurable states and system perturbationsoutput linearize and decouple the strongly coupled nonlinear robot manipulator system merely by the feedbacksuperior tracking control performance, with payload changing in a wide range, in comparison with a sliding modecontroller (SMC) designed based on state feedback linearization with full states available.

Keywords： available comparison unmeasurable nonlinear perturbation observer

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Feedback linearization based control for weak grid connected PV system under normal and abnormal conditions

Rahul SHARMA,Sathans SUHAG

Frontiers in Energy 2020, Volume 14, Issue 2, Pages 400-409 doi: 10.1007/s11708-017-0459-5

Abstract: the transient behavior under sudden changes, and the voltage support under fault condition using the feedback

Keywords： PV system grid interface feedback linearization inverter LCL filter

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A combined modulated feedback and temperature compensation approach to improve bias drift of a closed-loop

Ming-jun MA,Zhong-he JIN,Hui-jie ZHU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 6, Pages 497-510 doi: 10.1631/FITEE.1400349

Abstract: The modulated feedback approach is used to isolate the 1/ noise that exists in the conventional directfeedback approach.Then a common mode signal is created and added into the closed loop on the basis of modulated feedback

Keywords： Bias drift Closed-loop MEMS accelerometer Modulated feedback approach Temperature compensation

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Topology optimization of piezoelectric bi-material actuators with velocity feedback control

Mariana MORETTI, Emílio C. N. SILVA

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2, Pages 190-200 doi: 10.1007/s11465-019-0537-y

Abstract: piezo-ceramic layers that act as a sensor and an actuator coupled with a constant gain active velocity feedback

Keywords： topology optimization method bi-material piezoactuator active velocity feedback control time-domain transient

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Applications of the crystallization process in the pharmaceutical industry

Sohrab ROHANI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 1, Pages 2-9 doi: 10.1007/s11705-009-0297-z

Abstract: The implementation of external control in the form of feedback and real-time optimal control using cooling

Keywords： feedback morphology pulmonary paracetamol recognition

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Robust nonlinear control via feedback linearization and Lyapunov theory for permanent magnet synchronous

Ridha CHEIKH, Arezki MENACER, L. CHRIFI-ALAOUI, Said DRID

Frontiers in Energy 2020, Volume 14, Issue 1, Pages 180-191 doi: 10.1007/s11708-018-0537-3

Abstract: The method is based on the differential geometric feedback linearization technique (DGT) and the Lyapunov

Keywords： permanent magnet synchronous generator wind energy conversion system stochastic differential geometric feedback

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Output Feedback Control for the Descriptor TS Fuzzy Systems With Pole-placement Constraints

Gao Dan,Cao Yuanyuan

Strategic Study of CAE 2006, Volume 8, Issue 4, Pages 63-67

Abstract:

The design of dynamic output-feedback controller is investigated for the descriptor fuzzy TS models

Keywords： singular fuzzy system dynamic output-feedback LMI pole placement

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Robust SVM-direct torque control of induction motor based on sliding mode controller and sliding mode

Abdelkarim AMMAR,Amor BOUREK,Abdelhamid BENAKCHA

Frontiers in Energy 2020, Volume 14, Issue 4, Pages 836-849 doi: 10.1007/s11708-017-0444-z

Abstract: It describes a coupling of sliding mode direct torque control (DTC) with sliding mode flux and speedThis algorithm uses direct torque control basics and the sliding mode approach.The sliding mode controller is used to generate reference voltages in stationary frame and give themThe second aim of this paper is to design a sliding mode speed/flux observer which can improve the control

Keywords： induction motor direct torque control (DTC) space vector modulation (SVM) sliding mode control (SMC) sliding mode observer (SMO) dS1104

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Design of a Lightweight Force-Feedback Glove with a Large Workspace Article

Yukai Zheng, Dangxiao Wang, Ziqi Wang, Yu Zhang, Yuru Zhang, Weiliang Xu

Engineering 2018, Volume 4, Issue 6, Pages 869-880 doi: 10.1016/j.eng.2018.10.003

Abstract:

A wearable force-feedback glove is a promising way to enhance the immersive sensation when a userIn order to obtain a large normal component of the feedback force on the user’s fingertip, the

Keywords： Force-feedback glove Lightweight Large workspace Pneumatic Virtual reality

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Event-triggered dynamic output-feedback control for a class of Lipschitz nonlinear systems Research Article

Zhiqian LIU, Xuyang LOU, Jiajia JIA

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 11, Pages 1684-1699 doi: 10.1631/FITEE.2100552

Abstract:

This paper investigates the problem of for a class of s. First, a continuous-time controller is constructed and sufficient conditions for stability of the nonlinear systems are presented. Then, a novel event-triggered mechanism is proposed for the s in which new event-triggered conditions are introduced. Consequently, a closed-loop hybrid system is obtained using the strategy. Sufficient conditions for stability of the closed-loop system are established in the framework of hybrid systems. In addition, an upper bound of a minimum inter-event interval is provided to avoid the Zeno phenomenon. Finally, numerical examples of a neural network system and a genetic regulatory network system are provided to verify the theoretical results and to show the superiority of the proposed method.

Keywords： Lipschitz nonlinear system Dynamic output-feedback control Event-triggered control Global asymptotic

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Parallel Authentication Modes Based on Double Blocks or Key Counter

Huang Yuhua,Huai Aiqun,Song Yubo

Strategic Study of CAE 2004, Volume 6, Issue 7, Pages 70-74

Abstract:

The CBC - MAC mode is not a parallel one.The PKCB mode had a marked improvement on security & speed over parallel authentication mode, PMACAnd it may be combined with the CTR (counter) encryption mode to form a full block cipher mode.block cipher mode (2CTR)，too.The 2CTR mode had a performance advantage over the standard mode, CCM (CTR with CBC - MAC).

Keywords： authentication mode CBC - MAC mode PMAC mode CTR mode CCM mode

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High Order Differential Feedback Control for Nonlinear Systems

Qi Guoyuan,Chen Zengqiang,Yuan Zhuzhi

Strategic Study of CAE 2003, Volume 5, Issue 8, Pages 35-44

Abstract:

This article presents high differential feedback control idea that does not rely on the model of theFurthermore, is designed, high order differential feedback adaptive controllers (HODFC) for unknown model

Keywords： high order differentiator high differential feedback controller stability robustness decoupling control

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Probabilistic stability of uncertain composite plates and stochastic irregularity in their buckling mode

Frontiers of Structural and Civil Engineering Pages 179-190 doi: 10.1007/s11709-022-0888-z

Abstract: plate were considered Gaussian random fields and their effects on the buckling load and corresponding modespatially varying stochastic properties on the critical load of the plate and the irregularity of buckling modethe plate properties as random fields, a significant stochastic irregularity is obtained in buckling mode

Keywords： uncertain composite plate stochastic assume mode method Karhunen−Loève theorem polynomial chaos approach plate buckling irregularity in buckling mode shapes