Towards a Framework for Simulation Based Design, Validation and Performance Analysis of Electronic Control Systems

Author(s):  
Alexander Hanzlik ◽  
Erwin Kristen
2017 ◽  
Vol 25 (03) ◽  
pp. 1750026 ◽  
Author(s):  
Pushpak Doiphode ◽  
Manish Kumar ◽  
Indraneel Samanta

Increasing cost of copper material has forced air conditioner manufacturers to lower copper consumption or focus on alternative materials in air conditioning applications in order to stand at upright position in cost competitive environment. Since copper possesses most of the well-suited characteristics that are needed for the air conditioning system, choice of reducing copper material is preferred over alternative materials. Present study focuses on simulation-based design methodology and performance analysis of split air conditioning system with R32 as a refrigerant. It includes replacement of 7[Formula: see text]mm outside diameter condenser coil with 5[Formula: see text]mm diameter copper tubes. Simulation technique for investigating optimal condenser coil geometry incorporating smaller diameter tubes is also demonstrated for typical air conditioning system. Simulation results show that cost of condenser coil with reduced tube diameter is much lower than that of existing coil of higher tube diameter without any compromise in the performance of air conditioning system.


Author(s):  
Rajnesh Singh ◽  
Neeta Singh

A MANET is a collection of nodes connected wirelessly that try to converse with each other with no need for any central control or infrastructure establishment. The model of mobility depicts the poignant nature of every node which is mobile in MANETs that is considered to be realistic. It plays a vital role in measuring the performance of MANETs. Mobility is considered to be the prime motive in simulation, because it is a huge influence over the design and network's performance due to limitation in resources and it lead to packet delivery ratio (PDR), varying velocity node energy (NE). Lots of work has been done to improve the above problems. Therefore, there is a requirement of more improvement in this area to enhance overall performance of mobility models. This paper presents a comparative simulation-based analysis of Gauss Markov, Manhattan, and random waypoint mobility models over TCP Newreno that uses a DSDV and AODV routing protocols. Moreover, experiment results and performance analysis have been performed with PDR and NE of the varying number of mobile nodes.


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