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One of the simplest dynamical models which preserve the energy and have properties of chaos may be double pendulum. Many relevant studies have been performed by conventional integral schemes which can't control the error of Hamiltonian. In this paper, I will show the simulation results of double pendulum with the Hamiltonian conserved integral scheme. Non-dimensional Hamilton's equations of the double...
Rand Model Designer (RMD) is a modeling environment that supports Model Vision Language, an object-oriented modeling language for hybrid-DAE systems. Model Vision Language allows describing the continuous-time part of the model combining the use of equations (i.e., a causal modeling) and sequences of assignment statements. The hybrid behavior is described using behavior charts (B-chart). A B-chart...
Starting from some recently analyzed controlled models with propagation i.e. described by hyperbolic partial differential equations, it is shown that a Liapunov functional may be attached in a natural way by using development of the energy integral. As known from the general theory of the hyperbolic partial differential equations, the energy integral is a useful tool for obtaining uniqueness theorems...
Linear Wireless Sensor networks (LSN) are used to monitor long linear critical structures such as pipelines, rivers, railroads, international borders, and high power transmission cables. Due to the importance of these structures, the LSN must be designed with high reliability considerations. However, one of the main challenges of LSN design is the connection reliability among the nodes. Unlike in...
Utterance durations just before and after a pause have been considered to be the only factors affecting pause duration (Preboundary and Postboundary Effects). Recently, using an “XY utterance phrase” composed of two words, we discovered that the ratio of the two utterance durations before and after a pause affects pause duration (Pre-postboundary effect). However, it is not obvious whether such effects...
To date, there have been interests in designing the Micro-Electro-Mechanical System (MEMS) integrated with Complementary Metal-Oxide Semiconductor (CMOS) resonator for RF integrated circuits. This work presents the design of Clamped-Clamped (CC) and Clamped-Free (CF) beam resonators. These resonators provide on-chip low cost solutions for devices with much reduced chip area, besides having considerably...
This paper deals with the sensitivity analysis of models for the high consistency refining process in the pulp and paper industry. Several models reported in literature are considered, which are screened for their potential use in the design of controllers for refiners or in the optimization of refiner operation. For the two most promising models a sensitivity analysis is conducted which suggests...
Computer simulation of realistic crowd behavior has been the focus of active research for more than two decades now. In crowd simulation, there is usually a trade-off between performance and realistic crowd behavior. In this paper, we propose a model, based on potential fields, that enables the introduction of many behaviors in crowd simulations, while keeping good performance. The model uses multiple...
In order to facilitate exchanging and sharing data between the domestic and international main tools for power system electromechanical transient analysis, this paper analyzes and compares the common mathematical models for transient stability including synchronous generator, excitation system, turbine and governor, load and even DC transmission system in PSD-BPA and PSS/E. Several typical problems...
The dynamic modeling and analysis of a novel XY positioning table are presented in this paper. The XY table is directly driven by two linear voice coil motors (LVCMs), and X-and Y-axes motion decoupling is realized by using a novel flexible decoupling mechanism. Considering the characteristics of XY table, the dynamic model of X- and Y-axes servomechanisms are established through bond graph method,...
This paper presents a new analysis approach for optimal design of proportional compliant mechanisms with corner-filleted flexure hinges. It is the first time to use pseudo rigid body model (PRBM) for cantilever beams to analyze the connecting flexure hinges. The rotation center and rotational angle of each flexure hinge are corrected by means of characteristics radius factor (γ ) and parametric angle...
Dataflow and Petri nets are used in modeling and analyzing streaming applications, which execute indefinitely using limited resources. Therefore it is essential to know if a system model guaranties certain properties, namely, liveness, boundedness or the maximal throughput. Besides, working with hardware/ software co-design techniques helps to define architecture and platform mapping, accommodating...
Machine-to-Machine communications is envisioned to become one of the fundamental pillars of the future Internet of Things paradigm, enabling platoons of devices to be seamlessly connected and to cooperate over smart spaces. Among the possible application scenarios, smart metering represents an already existing technology that might take benefit from the capability of autonomous configuration and setup...
The purpose of this paper is to explore the evolution process of knowledge service network in supply chain. On the perspective of entropy theory, the knowledge service entropy is first defined based on the concept of information entropy and grey relation, the analysis and model of entropy change of knowledge service network in supply chain is given. And then, based on grey system theory and complex...
Supply chain coordination should consist of two aspects of coordination: behavior coordination and interest coordination. Firstly, the supply chain behavior coordination problem is analyzed based on the buyback contract. Then, three methods about the supply chain's profit allocation when the supply chain is coordinated are discussed. The three methods are: ① the supplier's optimization model considering...
Leadership styles and induced conflicts are essential to an enterprise and its performance; therefore, it is of paramount significance to study the impacting mechanism of leadership and conflicts on new ventures' performance. By building an intermediation model with three variables of conflicts, leadership styles and new venture performance, a study was conducted on the intermediation of different...
With the tendency of population aging continues in our nation, problems associated with the elderly become major concerns in our society. If daycare centers for seniors can be established to care for the elderly just like daycare facilities for caring pre-school age children, seniors will have a place to enjoy day-time activities and return home to enjoy normal family life. The senior center that...
Based on the framework of non-parametric approach, the new jump variance and continuous sample path variance are constructed and the jump variance is modeled by combining A-J jump detection statistic. With high frequency data from Shanghai composite index, the empirical analyses are carried out from four aspects: the characteristics and contribution of jump variance, jump sizes and the relationship...
Under the shadow of economic bubble (EB) threat, development of major cities in the Yangtze River Delta Urban Agglomerations (YRDUA) not only depends on the flections of world economy, but also decides on their own resilience. Influencing factors on the YRDUA was large number, even some huge urban agglomerations (UA) was so favorably than some medium-sized countries in the land area, economy total,...
Reasonable pace of credit, not only can enhance the balanced growth and sustainability of the credit, but also promote economy develop sustained and steadily. In this paper, the ARCH model is applied to analyze the credit volatility in China market, and three ARCH model (GARCH, TGARCH, EGARCH) are estimated. The empirical results show that, China's credit fluctuations exhibits significant ARCH effects,...
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