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Reduction of development time of an advanced Electronic Control Unit (ECU) requires optimization of the product design at the early stage of development. A simulation-driven design has been used effectively to define the ideal position of components for optimum reliability even before the first prototype is manufactured. Such methods are based on a virtual design of experiments that allows to investigate...
The urban expressway network is an important part of the urban transport system which carries huge traffic pressure. It is also the key to the efficiency of the urban transport system. In this paper, the mesoscopic traffic flow models are improved by integrated with variable speed limits strategy to simulate the dynamic of vehicles on urban expressway network. The models include static queuing model,...
Motion of tracked vehicles, especially on soil with shear strength less than 2 kPa under deep sea conditions is an ambitious area to envisage. A tracked deep sea mining machine is being developed to mine polymetallic nodules from 5000–6000 m water depth at the Central Indian Ocean where the sea bed has a very low soil strength. Experimental and numerical simulation studies were conducted on the tracked...
The charging power of plug-in electric vehicles (PEVs) decreases significantly when the state of charge (SoC) gets closer to the fully charged state, which leads to a longer charging duration. Each time when the battery is charged at high rates, it incurs a significant degradation cost that shortens the battery life. Furthermore, the differences between demand preferences, battery types, and charging...
In this paper we propose a novel reduced-order car model that captures some key features for aggressive maneuvering of complex car vehicles. The proposed model, called RigidCar, consists of a rigid body interacting with the ground at four contact points (two-track car) and including tire models and load transfer. The model does not include suspension models, thus keeping a reasonable level of complexity...
A new method integrating reduced model and mixed design variables is proposed and applied in the lightweight design of a bus skeleton for the purpose of mass reduction without loss in structural performance. A whole skeleton model and a reduced model are built. All parts except chassis and floor assembly are reduced out using static reduction method. Reduced model is verified with finite element analysis...
A multi-class dynamic traffic network flow model with heterogeneous vehicles is presented. Single type kinematics wave method is extended to multiple type kinematics wave method. There assume only two flow conditions on link, one is queue condition, various vehicles can not overtake, and the speeds of various type vehicles are same. The other is free flow condition; each type of vehicles can run according...
Autonomous Vehicle based Storage and Retrieval System (AVS/RS) is a material handling technology, which has been proposed as an alternative to crane-based AS/RS. In AVS/RS, autonomous vehicles provide horizontal movement (x and y axis) within a tier whereas lifts provide vertical movement (z axis) between tiers. The transaction cycle time is composed of waiting time for vehicles and lifts, horizontal...
This paper proposes an approach of on-line detection of load release failure for a post-boost vehicle. In response to load release failure, a strategy for controller reconfiguration is presented to achieve asymptotical attitude tracking. The proposed detection method, based on the parallel structure of the interacting multiple model algorithm, can detect whether the load is released as scheduled....
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