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This paper is concerned with the numerical simulation and optimization problem for inerter-based suspension struts for double wishbone vehicle suspension. A well-established double wishbone vehicle model is modified to facilitate the inerter-based suspension simulation based on Simulink/SimMechanics. The obtained SimMechanics model is inherently nonlinear and the simulation is time-consuming. Therefore,...
An improved macro traffic flow model is presented in this paper. According to the improved model and phase plane diagrams, the stability analysis of various traffic phenomena can be carried out directly. There is a one-toone relationship between the traffic congestion and the unstable system in the phase plane. In order to illustrate this new method further, the well-known stop-and-go waves are analyzed...
In this paper, the spectral element method is used to build a hydrodynamic model in order to solve the semiconductor transient simulation. The hydrodynamic model consists of five nonlinear differential equations: the electron current continuity equation and hole current continuity equation, electron energy-balance equation, hole energy-balance equation and Poisson's equation. Unlike the drift-diffusion(DD)...
An increasing number of cities are implementing public bicycle systems to reduce traffic congestion. How to choose the locations of bicycle stations is one of the key questions in urban public transportation systems (UPTSs). This paper proposes a linear urban public transportation model to describe state transition of passengers in the sense of min-plus algebra. Based on the model, we define the local...
This brief investigates the performance benefits of using inerter in semiactive suspensions. A novel structure for semiactive suspensions with inerter, which consists of a passive part and a semiactive part, is proposed. Six semiactive suspension struts, each of which employs an inerter in the passive part and a semiactive damper in the semiactive part, are introduced. Two suboptimal control laws...
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