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In this paper, analyses on the design of the underwater track vehicle (UTV) with ladder trencher for cutting underwater soils are conducted. For this, with the mechanics of the underwater ladder trencher are analyzed. Also, the forces of single cutting tools of ladder trencher in relation with force interaction to. Tractive thrust and normal reaction are analyzed and used to assess the traction, weight...
In this study, implementation of design and simulation programme of a solar energy (photovoltaic panel) supported hybrid electric vehicle was designed, which is considered to be widely used in the 21st century. In the study, DC motor was simulated for a serial hybrid electric vehicle in ICE-generator and photovoltaic panel matlab/simulink environment. Moreover, a .m file was written by calculating...
The TU/e has developed a battery electric vehicle (BEV) using a VW Lupo 3L as donor platform. The differences between the initial design calculations and actual vehicle performance are analysed. Battery charging and discharging efficiency, acceleration performance and top speed are as expected. The range at low, constant speeds is less than expected, due to a higher rolling resistance and lower power...
The vehicle system is a multi-domain system, so that computer simulation technique has become an indispensable tool for vehicle system development. Our research group proposed a simulation modeling method based on the VHDL-AMS language. This paper describes how VHDL-AMS is used to model of vehicle fuel consumption simulation. We examine the influence of the power-network with electrical load and hill...
It is very important for a battery electric vehicle to improve energy utilization efficiency because of limited energy storage on board. According to different viewpoint and requirements for battery electric vehicles, four kinds of evaluation methods were established, respectively. Analysis and comparison between different evaluation methods were performed with the help of simulation and bus demonstration...
The project is a collaboration between the “Polo per la Mobilità Sostenibile” (Pomos) and NOZOMI Motor and it is focused on the hybridization of an off-road vehicle, with 2.2 litres four cylinders petrol engine. The aim is to build an hybrid parallel vehicle with only few simple upgrades. Through these we expect to reduce fuel consumption by 25% and the formation of pollutants. This project provides...
The engine brake characters and its influence factors are introduced, and the experiment of engine brake performance is expounded. The necessity of control continuously variable transmission (CVT) ratio during engine braking is discussed. When engine braking, the engine brake torque based on object velocity is estimated. With the characteristics curve of the engine brake torque and engine speed-brake...
The dynamic turning process of tracked vehicle is the transition turning process. The hydro-mechanical differential turning system is the new turning system of tracked vehicle using hydro-mechanical stepless transmission theory and being made up of hydraulic transmission and gear transmission. The hydro-mechanical differential turning theory is analyzed. Basing on turning dynamics and kinematics of...
In order to utilize braking energy of metro vehicles at high recovery efficiency, it is necessary to research the metro supply network and metro vehicles. The simplified models of the metro supply network and vehicles are presented based on Simulink/SimPowerSystem via external characteristics. And the detail of some important modules are described in this paper. Meanwhile the character of the metro...
This article will assess the installation of stationary super capacitor based energy storage systems (ESS) along a metro line for energy savings purposes. The influence of the ESS size and distribution along the line will be studied taking into account different traffic conditions.The ESSs will be configured with regards to energy content, voltage variation, maximum current and power losses. To carry...
The implementation of complex functionality in low-power nano-CMOS technologies leads to enhance susceptibility to parametric disturbances (environmental, and operation-dependent). The purpose of this paper is to present recent improvements on a methodology to exploit power-supply voltage and temperature variations in order to produce fault-tolerant structural solutions. First, the proposed methodology...
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