2007 International Bhurban Conference on Applied Sciences & Technology最新文献_第2页

Hand Off Issues in 3G UMTS Networks 3G UMTS网络的移交问题

2007 International Bhurban Conference on Applied Sciences & Technology Pub Date : 2007-11-12 DOI: 10.1109/IBCAST.2007.4379906

T. Mubeen, I. Tasadduq, J. Zubairi

引用次数: 3

On the Effect of Mutual Interaction between the Walls for Modelling Radio Propagation in Indoor Environment 室内环境下墙体相互作用对无线电传播建模的影响

2007 International Bhurban Conference on Applied Sciences & Technology Pub Date : 2007-11-12 DOI: 10.1109/IBCAST.2007.4379897

K. Mahmood, G. Rafiq, M. Mughal

引用次数: 1

FATCAR-AUV: Fault Tolerant Control Architecture of AUV FATCAR-AUV: AUV的容错控制体系结构

2007 International Bhurban Conference on Applied Sciences & Technology Pub Date : 2007-11-12 DOI: 10.1109/IBCAST.2007.4379925

M. H. Khalid., S. Z. Shakeel, S. Mansoor, S. Hassan

引用次数: 3

A Novel Nonlinear Controller Design for the Inertia Wheel Pendulum 惯性轮摆非线性控制器的设计

2007 International Bhurban Conference on Applied Sciences & Technology Pub Date : 2007-11-12 DOI: 10.1109/IBCAST.2007.4379909

N. Iqbal, N. Qaiser

引用次数: 4

On Robust Dynamic State Feedback Stabilization of Variable Time-Delay Uncertain Systems 变时滞不确定系统的鲁棒动态反馈镇定

2007 International Bhurban Conference on Applied Sciences & Technology Pub Date : 2007-11-12 DOI: 10.1109/IBCAST.2007.4379923

A. A. Khattak, N. Iqbal

引用次数: 1

RTLinux based Simulator for Hardware-in-the Loop Simulations 基于RTLinux的硬件在环仿真模拟器

2007 International Bhurban Conference on Applied Sciences & Technology Pub Date : 2007-11-12 DOI: 10.1109/IBCAST.2007.4379913

N. ur Rehman, A. Khan

引用次数: 2

On Relationships Between Weierstrass-Erdmannn Corner Condition, Snell's Law and the Hybrid Minimum Principle weerstrass - erdmann角条件、Snell定律与混合最小值原理的关系

2007 International Bhurban Conference on Applied Sciences & Technology Pub Date : 2007-11-12 DOI: 10.1109/IBCAST.2007.4379919

M. S. Shaikh, P. Caines

引用次数: 8

Automated Design of Mechatronic Systems using Bond-Graph Modeling and Simulation and Genetic Programming 基于键图建模与仿真和遗传规划的机电系统自动化设计

2007 International Bhurban Conference on Applied Sciences & Technology Pub Date : 2007-11-12 DOI: 10.1109/IBCAST.2007.4379917

S. Kayani, M. Afaalalik

{"title":"Automated Design of Mechatronic Systems using Bond-Graph Modeling and Simulation and Genetic Programming","authors":"S. Kayani, M. Afaalalik","doi":"10.1109/IBCAST.2007.4379917","DOIUrl":"https://doi.org/10.1109/IBCAST.2007.4379917","url":null,"abstract":"All modern dynamic engineering systems can be characterized as mechatronic systems. The multi-domain nature of a mechatronic system makes it difficult to model using a single modeling technique over the whole system as varying sets of system variables are required. Bond-Graphs offer an advanced object oriented modeling and simulation technique. They are domain independent allowing straight forward and efficient model composition, classification and analysis. Bond-Graph model of the mechatronic system can be directly simulated on a digital computer using simulation softwares like 20-Sim and Modelica graphically or manipulated mathematically to yield state equations using a simplified set of power and energy variables. The simulation scheme can be augmented to synthesize designs for mechatronic systems using genetic programming as a tool for open ended search. This research paper presents results of experiments conducted to combine Bond-Graph modeling and simulation with genetic programming. A comprehensive review of the methodology is also included and the results are compared using different simulation softwares and conclusions drawn by research groups working on mechatronic systems and genetic programming internationally.","PeriodicalId":259890,"journal":{"name":"2007 International Bhurban Conference on Applied Sciences & Technology","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121018492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Bond Graph Modeling and Simulation of Impact Dynamics of a Car Crash 汽车碰撞碰撞动力学键合图建模与仿真

2007 International Bhurban Conference on Applied Sciences & Technology Pub Date : 2007-11-12 DOI: 10.1109/IBCAST.2007.4379910

A. Khurshid, M. Malik

{"title":"Bond Graph Modeling and Simulation of Impact Dynamics of a Car Crash","authors":"A. Khurshid, M. Malik","doi":"10.1109/IBCAST.2007.4379910","DOIUrl":"https://doi.org/10.1109/IBCAST.2007.4379910","url":null,"abstract":"The crashworthiness of an automobile and the survivability of its passengers in road accidents are of paramount importance to the automobile industry. Thus the designers in making automobiles have focused increased attention on designing a car, which provides greater protection for the drivers and the passengers in case of an accident. Before a new model is launched into the market, a complete collision analysis is carried out to check the damage reduction capabilities and impact protection of vehicles in case of an accident. The use of crash dummies, computer simulation and crash analysis of automobiles has enhanced the protection and safety features of automobiles. This research paper applies the techniques of bond graph theory to the analysis of an automobile-crash. The dynamic system is first converted into a bond graph. This bond graph represents a precise mathematical model of the dynamic system. The bond graph is then converted into the representative state-space equations. Both these steps are carried out in an automated computer program. This research work aims at an optimum design through parametric studies to evolve a safe design of an automobile to increase the chances of survivability of its passengers under crash conditions.","PeriodicalId":259890,"journal":{"name":"2007 International Bhurban Conference on Applied Sciences & Technology","volume":"4 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116195335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

Digital Implementation of Pulse Compression Technique for X-band Radar x波段雷达脉冲压缩技术的数字化实现

2007 International Bhurban Conference on Applied Sciences & Technology Pub Date : 2007-11-12 DOI: 10.1109/IBCAST.2007.4379904

S. Qadir, J. Kayani, S. Malik

{"title":"Digital Implementation of Pulse Compression Technique for X-band Radar","authors":"S. Qadir, J. Kayani, S. Malik","doi":"10.1109/IBCAST.2007.4379904","DOIUrl":"https://doi.org/10.1109/IBCAST.2007.4379904","url":null,"abstract":"The performance of conventional pulsed radars is limited by its \"time-bandwidth\" product. In order to get high range resolution, a narrow pulse is required to be transmitted. However, this reduces the average transmit power resulting into shorter detection range. To mitigate this limitation of \"time-bandwidth\" problem, pulse compression technique is used. Pulse compression technique can be broadly classified as, FM chirp and phase coded. In FM chirp method, a longer duration frequency modulated pulse is transmitted, and on the receiver side matched filter is used to compress the echo signal. This also resolves the targets which may have overlapping returns. Earlier implementation of pulse compression was done using analog circuitry, which has its own limitations. With the availability of high speed digital equipment, it is now possible to implement it in digital domain. This paper presents a digital implementation of LFM pulse compression technique in X-band. Here, we used an arbitrary waveform generator to generate LFM pulse (chirp) at lower frequency band, which is up-converted to X-band by mixing with a carrier of 9.375 GHz for transmission. On receiver side, after translation to lower frequency band, data is acquired by analog to digital converter card and pulse compression algorithm was implemented in computer using MATLAB tool. Various tests were performed to verify pulse compression technique.","PeriodicalId":259890,"journal":{"name":"2007 International Bhurban Conference on Applied Sciences & Technology","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122737450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 15