工科研究生《数学物理方程》案例教学研究
《数学物理方程与特殊函数》是理工科研究生重要的公共基础课程之一,它在化学、机电、材 料等领域中有着广泛应用,该课程以从物理学及其他技术科学中产生的偏微分方程为研究对象,对方程 的定解问题的建立过程、典型求解方法及解的定性理论进行分析。基于该课程特点及案例教学法的优 点,本文提出将数学建模思想融入该课程教学的案例教学法,并给出交通、工程技术和环境中的典型教学 …
Xinli Zhang
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TEMPERATURE CONTROL OF RUBBER COMPOSITES BY ADAPTIVE MULTI-DIMENSIONAL TAYLOR NETWORK DURING MICROWAVE HEATING PROCESS
Microwave technology has been widely used in rubber industry. In order to solve the problem of uneven temperature distribution, a novel control method of adaptive …
Multi-Dimensional Taylor Network-Based Adaptive Output-Feedback Tracking Control for a Class of Nonlinear Systems
In this paper, the output feedback adaptive multi-dimensional Taylor network (MTN) tracking control for a class of nonlinear systems with unmeasurable states is investigated. …
Response Solutions for a Singularly Perturbed System Involving Reflection of the Argument
In this paper, the existence and uniqueness of response solutions, which has the same frequency ω with the nonlinear terms, are investigated for a quasiperiodic singularly …
微波加热多层橡胶符合材料的温度场分布及界面特性研究
针对不同波源下微波加热多层橡胶复合材料,建立基于Maxwell方程的一维非稳态有源加热偏微分方程(PDE)模型,以丁苯橡胶材料和丁腈橡胶材料复合为例,采用时域有限差分法进行模拟仿真,研究多层(两层)橡胶复合材料在单/双波源下材料厚度和微波功率对加热温度场和界面特性的影响。结果表明:微波功率变化会影响多层橡胶复合材料加热温度分布;在叠加橡胶材料的交界面处,微波 …
Short-Term Traffic Flow Prediction With Wavelet and Multi-Dimensional Taylor Network Model
Accurate prediction of the traffic state has received sustained attention for its ability to provide the anticipatory traffic condition required for people’s travel and traffic …
Adaptive Multi-Dimensional Taylor Network Tracking Control for a Class of Switched Nonlinear Systems with Input Nonlinearity
In this paper, a multi-dimensional Taylor network (MTN)-based adaptive tracking control approach is proposed for a class of switched nonlinear systems with input nonlinearity. …
Adaptive Decentralized Tracking Control of a Class of Large-Scale Nonlinear Systems with Unknown Dead-Zone Inputs Using Neural Network
In this paper, an adaptive decentralized control approach is proposed for a class of large-scale nonlinear systems with unknown dead-zone inputs using neural network. Firstly, the …
Yuqun Han
公众能否准确评价政府环保成效——基于CGSS2015的实证分析
文章基于2015年中国综合社会调查数据和省际截面数据,采用SE-DEA和Ologit模型结合的方法实证研究了公众对政府环保成效的满意程度。结果表明,公众无法准确评价政府环保成效,并且在政府环保成效较高的地区,公众对政府环保工作满意程度评价有下降趋势。此外,环保投资率、环保劳动力投入率以及环保工资的比率与政府环保工作的公众满意度均为正向相关关系。因此,提升公众 …
Ming Chang
Adaptive Neural Output Feedback Tracking Control for a Class of Nonlinear Systems
In this paper, an adaptive neural output feedback control scheme based on backstepping technique and dynamic surface control (DSC) approach is developed to solve the tracking …
Yuqun Han