2017 7th International Annual Engineering Seminar (InAES)最新文献

Automatic VSAT antenna pointing system featured with non-horizontal alignment autocorrect 具有非水平对准自动校正功能的VSAT天线自动指向系统

2017 7th International Annual Engineering Seminar (InAES) Pub Date : 2017-08-01 DOI: 10.1109/INAES.2017.8068543

M. A. Wibisono, Alvin Mustafa, Iskandar, Hendrawan, T. Juhana, A. Munir

{"title":"Automatic VSAT antenna pointing system featured with non-horizontal alignment autocorrect","authors":"M. A. Wibisono, Alvin Mustafa, Iskandar, Hendrawan, T. Juhana, A. Munir","doi":"10.1109/INAES.2017.8068543","DOIUrl":"https://doi.org/10.1109/INAES.2017.8068543","url":null,"abstract":"This paper presents the development of an automatic pointing system for very small aperture terminal (VSAT) antenna. The system which uses AVR microcontroller as a main controller unit (MCU) is featured with non-horizontal alignment autocorrect. User interface is implemented using android smartphone connected wirelessly to the MCU using bluetooth module. The android smartphone also reads the latitude and longitude position of the VSAT antenna location using global positioning system (GPS) module for calculating the required azimuth and elevation pointing angle to the satellite. In case of non-horizontal aligned VSAT antenna, the calculation of azimuth and elevation angles for alignment autocorrect is provided through additional compass and accelerometer modules. The mechanical system uses elevation-over-azimuth configuration with offset-fed for VSAT antenna parabolic reflector with the diameter of 0.74m. The system has been tested to point towards the Palapa-D satellite located at 113°E. The pointing time takes less than 3 minutes, while the average speed of azimuth and elevation rotations is 6.3° per second with the load of 30kg. The differences of pointing angle obtained from the calculation are 2.7” and 17.3” for azimuth and elevation angles, respectively.","PeriodicalId":382919,"journal":{"name":"2017 7th International Annual Engineering Seminar (InAES)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116452336","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: 0

Investigation of 150 kV capacitor voltage transformer breakdown during capacitor bank switching 150kv电容器电压互感器在电容器组开关过程中击穿的研究

2017 7th International Annual Engineering Seminar (InAES) Pub Date : 2017-08-01 DOI: 10.1109/INAES.2017.8068570

A. A. Kusuma, P. Pramana, B. S. Munir

引用次数: 2

Design of single passenger underwater vehicle 单人水下航行器的设计

2017 7th International Annual Engineering Seminar (InAES) Pub Date : 2017-08-01 DOI: 10.1109/INAES.2017.8068561

R. Sriwijaya, Joy Naibaho, Yulio Putra Widatama

引用次数: 1

The comparison of ANN-BP and ANN-PSO as learning algorithm to track MPP in PVSystem 在PVSystem中，ANN-BP与ANN-PSO作为学习算法跟踪MPP的比较

2017 7th International Annual Engineering Seminar (InAES) Pub Date : 2017-08-01 DOI: 10.1109/INAES.2017.8068573

A. Muhtar, I. Mustika, Suharyanto

{"title":"The comparison of ANN-BP and ANN-PSO as learning algorithm to track MPP in PVSystem","authors":"A. Muhtar, I. Mustika, Suharyanto","doi":"10.1109/INAES.2017.8068573","DOIUrl":"https://doi.org/10.1109/INAES.2017.8068573","url":null,"abstract":"The P-V curve of photovoltaic system exhibits multiple peaks under various conditions of function and changes in meteorological conditions which reduce the effectiveness of conventional maximum power point tracking (MPPT) methods. Artificial Neural Network (ANN) is one of soft computing used for learning, modeling, and analyzing a very complicated phenomenon. Furthermore, there is an algorithm based on meta-heuristic, which is usually used for some optimization problems. One of meta-heuristic algorithms used in this paper is Particle Swarm Optimization (PSO) algorithm. In this paper, a comparison between ANN using PSO and ANN used back propagation as a learning algorithm to track MPP in photovoltaic system. Each training model was conducted with different learning rate, but the number of neurons and activation functions used was similar in each training model. To evaluate both training models of ANN, Mean Square Error (MSE) was used. The result showed that ANN using PSO as a training algorithm require 17 epochs to convergent, but ANN using back propagation require 105 epochs to convergent. Furthermore, the average value of power generated from PV system, ANN using PSO as training algorithm for track MPP was 90.92 kW and ANN using back propagation as training algorithm for track MPP was 88.65 kW.","PeriodicalId":382919,"journal":{"name":"2017 7th International Annual Engineering Seminar (InAES)","volume":"28 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114017253","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: 12

The crushing behaviour of bamboo — Epoxy composite tube 竹材-环氧复合材料管的破碎性能

2017 7th International Annual Engineering Seminar (InAES) Pub Date : 2017-08-01 DOI: 10.1109/INAES.2017.8068567

Hadi Saputra, Jamasri., H. Rochardjo

{"title":"The crushing behaviour of bamboo — Epoxy composite tube","authors":"Hadi Saputra, Jamasri., H. Rochardjo","doi":"10.1109/INAES.2017.8068567","DOIUrl":"https://doi.org/10.1109/INAES.2017.8068567","url":null,"abstract":"An experimental investigation was conducted to study the crush-worthiness parameters and behaviour of the bamboo-epoxy composite tube with chamfering angle 45° at one end. Quasi-static compressive loadings were applied axially to investigate the response of force-displacement during progressive collapses. The Shimadzu concrete compression testing machine with capacity 2000 KN was used in this experiment. Load-displacement curve and collapses mode of the specimen are presented and discussed. The results showed that this novel uni-directional bamboo-fibers/epoxy tube could absorb 5.01 KJ energy caused by moving of cross head as far as 50 mm. The other crush-worthiness parameters are force average, crush force efficiency, and the specific energy absorption which have value of 102.60 KN, 0.57, and 18.23 KJ/kg, respectively. The progressive collapse mechanisms which occur in this experimental design are consisting of fragmentation and splaying failure modes. In conclusion, the results demonstrate a novel Crash box product constructed from bamboo and epoxy with good performance findings within crash-worthiness parameters comparing to the original equipment manufacturer product.","PeriodicalId":382919,"journal":{"name":"2017 7th International Annual Engineering Seminar (InAES)","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124161343","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: 0

Performance evaluation of MIMO-OFDM system using quadrature amplitude modulation based on SDR platform 基于SDR平台的正交调幅MIMO-OFDM系统性能评价

2017 7th International Annual Engineering Seminar (InAES) Pub Date : 2017-08-01 DOI: 10.1109/INAES.2017.8068551

I. Mustika, Ridlo Qomarrullah, Selo

引用次数: 5

Performance analysis of cluster formation method in vehicular Ad-hoc networks 车载Ad-hoc网络中簇形成方法的性能分析

2017 7th International Annual Engineering Seminar (InAES) Pub Date : 2017-08-01 DOI: 10.1109/INAES.2017.8068550

Anni Karimatul Fauziyyah, S. Sulistyo, I. Mustika

引用次数: 3

Analysis of LTE network planning with multi-level soft frequency reuse : Cimahi City case study 多层次软频复用LTE网络规划分析——以Cimahi市为例

2017 7th International Annual Engineering Seminar (InAES) Pub Date : 2017-08-01 DOI: 10.1109/INAES.2017.8068542

Mayangsari Nur Almusawwir, U. Usman, Sigit Puspito Wigati

引用次数: 1

Study on equivalent circuit of wideband BPF using groundplane windowed SRR and its realization 基于地平面加窗SRR的宽带BPF等效电路的研究与实现

2017 7th International Annual Engineering Seminar (InAES) Pub Date : 2017-08-01 DOI: 10.1109/INAES.2017.8068553

A. Munir, Eki Rizky Afthar, R. Safitri

引用次数: 9

Fatigue crack propagation of ultra-high molecular weight polyethylene 超高分子量聚乙烯的疲劳裂纹扩展

2017 7th International Annual Engineering Seminar (InAES) Pub Date : 2017-08-01 DOI: 10.1109/INAES.2017.8068563

Suyitno, Lazuardi Pujilaksono

{"title":"Fatigue crack propagation of ultra-high molecular weight polyethylene","authors":"Suyitno, Lazuardi Pujilaksono","doi":"10.1109/INAES.2017.8068563","DOIUrl":"https://doi.org/10.1109/INAES.2017.8068563","url":null,"abstract":"Ultra high molecular weight polyethylene (UHMWPE) is an advanced polymer well-known for its outstanding physical and mechanical properties. The material is highly resistant to corrosion and abrasion. It has high impact strength and low coefficient of friction, naming it a suitable material for bearing applications. The material also has a high strength-to-weight ratio. In this study, the fatigue crack behavior of UHMWPE PE1000 and TIVAR H.O.T are of interest. The objective of this study is to determine the effect of load ratio R on the fatigue crack growth rate. The load ratio R was varied between 0.1, 0.3, and 0.5. Compact-tension specimens were used to perform experiments. The specimens were tested at room temperature with loading frequency of 10 Hz. Advancing crack growths were measured using a traveling microscope. The crack growth rates da/dN as a function of stress intensity factor deltaK were plotted in a log-log scale for each testing condition. For the two material, increasing load ratio R led to an increase in fatigue crack propagation resistance, as determined by the decrease in fatigue crack growth rate for a given deltaK value. When the two materials are in comparison, TIVAR H.O.T shows superior fatigue crack resistance. For a given deltaK value, PE1000 virgin displays higher fatigue crack growth rates than TIVAR H.O.T.","PeriodicalId":382919,"journal":{"name":"2017 7th International Annual Engineering Seminar (InAES)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131149625","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: 1