Qian Ma

Nanjing University of Science and Technology

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Shengyuan Xu

Nanjing University of Science and Technology

Baoyong Zhang

Nanjing University of Science and Technology

Zhengqiang Zhang

Qufu Normal University

Guangming Zhuang

Liaocheng University

Qingtan Meng

Nanjing University of Science and Technology

Guozeng Cui

Suzhou University of Science and Technology

Guopeng Zhou

Hubei University of Science and Technology

Junwei Lu

Hefei University of Technology

Zhen Wang

Mayo Clinic in Arizona

Wenhui Liu

Nanjing University of Science and Technology

Cooperative Institutions

Nanjing University of Science and Technology

Sun Yat-sen University

Chinese Academy of Sciences

Peking University

Wuhan University

Tsinghua University

Jilin University

Shanghai Jiao Tong University

Shandong University

Chinese Academy of Medical Sciences & Peking Union Medical College

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Finite-time consensus control of heterogeneous nonlinear MASs with uncertainties bounded by positive functions

Neurocomputing (2018)

Wei Liu Qian Ma Qiang Wang Hongyan Feng

10.1016/j.neucom.2018.10.048

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Citations (17)

Study on Determination of Ceftriaxone Sodium by Spectrophonetry

Journal of Taiyuan University of Technology (2005)

Qian Ma

A new spectrophonetry for the determination of content of ceftriaxone sodium was described. This method is based on a reaction of ceftriaxone sodium with ferric under optimum to form the stable complex with an absoption maximum at 470 nm. The apparent molar absorptivity at 470nm is 1.5×10~3 L/mol·cm. The results agree with those Abstained by the Chinese pharmacopeia method. The relative standard deviation is 0.63%,while the average is 99.2%～99.5%.

Molar absorptivity

Relative standard deviation

Source

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Citations (0)

Fixed-Time Practical Anti-Saturation Attitude Tracking Control of QUAV with Prescribed Performance: Theory and Experiments

IEEE Transactions on Aerospace and Electronic Systems (2024)

Peng Jin Qian Ma Jason Gu

This paper investigates the fixed-time attitude tracking control problem for quadrotor unmanned aerial vehicle by considering actuator saturation and prescribed performance constraint. First, hyperbolic tangent function is used to deal with actuator saturation. Furthermore, by analyzing the relationship between the tracking error and the transient performance constraints, the prescribed performance function is designed to constrain the transient performance of tracking error. Then, a fixed-time tracking controller is addressed by the backstepping method and fuzzy logic systems, where it does not need the prior precise information of systems model. Theoretically, the stability of the closed-loop system is validated by Lyapunov stability theory. Finally, the hardware-in-the-loop test results validate the effectiveness of the proposed method.

Saturation (graph theory)

Tracking (education)

10.1109/taes.2024.3400177

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Citations (2)

Extended dissipative filter for discrete-time uncertain system with time-varying delay

2022 34th Chinese Control and Decision Conference (CCDC) (2017)

Weifeng Xia Baoyong Zhang Yongmin Li Yu‐Ming Chu Qian Ma

This paper considers the problem of extended dissipative filter for discrete-time uncertain systems with time-varying delay. The uncertainty is assumed to be time-invariant belongs to a ploytope. Based on delay-partitioning approach and parameter-dependent Lyapunov-Krasovskii functional, a sufficient condition for the stability and performance analysis of the filtering error system is proposed. A numerical example is given to illustrate the effectiveness of the filter design method.

LTI system theory

10.1109/ccdc.2017.7978118

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Citations (1)

Stability and synchronization for Markovian jump neural networks with partly unknown transition probabilities

Neurocomputing (2011)

Qian Ma Shengyuan Xu Yun Zou

Kronecker product

Lyapunov stability

Stability conditions

10.1016/j.neucom.2011.05.018

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Citations (98)

Demand modelling in electricity market with day-ahead dynamic pricing

Qian Ma Xiao‐Jun Zeng

In this paper, we consider a retail electricity market, where the day-ahead dynamic pricing is used and two-way communication is applied. Our objective is to build a demand model that is able to help an electricity retailer understand the customers' behaviour of using electricity with imperfect information and predict the demand of electricity in the future as accurately as possible. To achieve this objective, we establish the consistent conditions that the demand models must be satisfied and then learn the demand models to estimate the customers' consumption reaction functions to the retailer's prices from the available historical data. Simulation results confirm that the proposed demand models can generate a highly accurate prediction of electricity demand.

Dynamic Pricing

Electricity demand

Electricity retailing

Consumption

Demand Response

Demand patterns

Dynamic demand

Peak demand

10.1109/smartgridcomm.2015.7436283

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Citations (6)

Case Report: B-cell Acute Lymphoblastic Leukemia/Lymphoma Following Castleman Disease

Deleted Journal (2025)

Meng Zhao Qirui Li Tao Jiang Dafei Xu Qian Ma

Castleman disease (CD) is a rare nonmalignant lymphoproliferative disorder presenting systemic symptoms such as fever, night sweats, fatigue, anemia, effusions, and multifocal lymphadenopathy. The etiology of CD has not been clarified to date. The coexistence of CD with B-cell acute lymphoblastic leukemia/lymphoma (B-ALL/LBL) has been rarely reported. Although the pathogenesis remains unclear, this association probably reflects an incidental and fortuitous finding rather than the alteration of a common pluripotent stem cell precursor. Herein, the study reports on one case of CD coexisting with B-ALL/LBL and elucidates the underlying mechanism of pathology in some aspects.

Etiology

Pathogenesis

Lymphoblastic lymphoma

10.26689/otd.v2i4.9238

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Citations (0)

Consensus for nonlinear multi-agent systems with sampled data

Transactions of the Institute of Measurement and Control (2013)

Qian Ma Junwei Lu Huiling Xu

This paper deals with the consensus problems of multi-agent systems with nonlinear dynamics and sampled data information. The control input of each agent is based on the information of its neighbors at discrete sampling instants rather than the whole continuous process. An input delay approach is utilized to transform the sampling data into the time-varying delayed data. A novel time-dependent Lyapunov functional consisting of the continuous term and the discontinuous term is proposed. Tools like matrix theory, algebraic graph theory, relaxed matrix approach, and convex analysis technique are utilized to derive the sufficient conditions. The estimated upper bound of the sampling interval can be obtained by the proposed conditions. Then, the necessary and sufficient conditions for consensus in systems with linear dynamics are presented. It is shown that the consensus conditions depend on the parameters of the sampling interval, spectra of the Laplacian matrix, and coupling strength. The effectiveness of the proposed design method is demonstrated by the simulation examples.

Algebraic graph theory

Sampling interval

Matrix (chemical analysis)

10.1177/0142331213513605

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Citations (27)

Distributed containment control of linear multi-agent systems

Neurocomputing (2014)

Qian Ma Guoying Miao

Containment (computer programming)

Basis (linear algebra)

Matrix (chemical analysis)