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Traditional algorithms of VRP often did not consider the loading rate of vehicle, which will partially effects the fuel consumption of the vehicle. So if considering the fuel consumption, there needs a new algorithm to find the optional route of VRP with lowest fuel consumption. Then the genetic algorithm of the model was designed and solved. The simulation result showed that the algorithm is a good...
This paper presents a specific simulation modeling of a hydraulic system with regenerative braking used to improve vehicle emissions and fuel economy. To optimize the bus integrated performance, an exact modeling of hydraulic component has been built up in Matlab/Siumulink. The simulation has been run on both designated parameters and CYC-UDDS drive cycle. At last, experiment results show that the...
This paper depicts in depth a series hybrid vehicle with a generation system based on an internal combustion engine coupled to a permanent magnets synchronous motor. A storage system with high power density, assured by the Ultracapacitors Unit (UC), is able to meet the driver peak power requests to run the vehicle and to store a part of energy from regenerative brakings as well. In this work, the...
For the requirements of formal expression of the system engineering language: SysML, we proposes a translation approach from SysML block diagram to description logic (SHIOQ(D)) knowledge base which plays a key role in semantic Web. Syntax and equational semantics of SysML are discussed and difficulties for formalizing SysML graphical elements are analyzed in Section 2. Section 3 introduces the description...
This paper discusses the limitation of existing methods of reducing the traffic congestion, where width wise expansion of roadways has got limitations, which leads a solution of vertical expansion only. In considering this aspect, an approach for Multi Layer Superway is suggested in a very comprehensive manner to overcome the problem in the present situation. Multi Layer Superway is the concept in...
There is a demand for safer, cleaner and more affordable civil air engines and found to be of greater importance. Few years before, the European Union took a action for the design and construction of efficient and environmental friendly air engines. The benefits of this type of engine are focused on to reduced pollutants and decreased fuel consumption. In a wheeled vehicle engine system comprising...
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