Pub Date : 1900-01-01DOI: 10.1109/INTELSE.2016.7475138
Khan Bahadar Khan, Amir A. Khaliq, Muhammad Shahid, Hayyat Ullah
We propose a new hybrid technique for reduction of poisson noise in scintigraphic images. Our proposed method is a combination of Gradient calculation and Adaptive Trimmed Mean filter (ATMF). In a predefined window, gradient of the center pixel is averaged out. ATMF remove the lowest and highest variations in the pixel values of Gradient denoised image and average out remaining neighborhood pixel values. The proposed technique is applied on scintigraphic images. Results are compared with conventional filters i.e. Median, Wiener filter and latest denoising filter i.e. Non Local Mean (NLM) filter. The proposed scheme shows good visual results with improving Correlation, Mean Squared Error (MSE), Structural Similarity Index Metric (SSIM) and Peak to Signal Noise Ratio (PSNR) of the image.
{"title":"Poisson noise reduction in scintigraphic images using Gradient Adaptive Trimmed Mean filter","authors":"Khan Bahadar Khan, Amir A. Khaliq, Muhammad Shahid, Hayyat Ullah","doi":"10.1109/INTELSE.2016.7475138","DOIUrl":"https://doi.org/10.1109/INTELSE.2016.7475138","url":null,"abstract":"We propose a new hybrid technique for reduction of poisson noise in scintigraphic images. Our proposed method is a combination of Gradient calculation and Adaptive Trimmed Mean filter (ATMF). In a predefined window, gradient of the center pixel is averaged out. ATMF remove the lowest and highest variations in the pixel values of Gradient denoised image and average out remaining neighborhood pixel values. The proposed technique is applied on scintigraphic images. Results are compared with conventional filters i.e. Median, Wiener filter and latest denoising filter i.e. Non Local Mean (NLM) filter. The proposed scheme shows good visual results with improving Correlation, Mean Squared Error (MSE), Structural Similarity Index Metric (SSIM) and Peak to Signal Noise Ratio (PSNR) of the image.","PeriodicalId":127671,"journal":{"name":"2016 International Conference on Intelligent Systems Engineering (ICISE)","volume":"96 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124567668","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}
Pub Date : 1900-01-01DOI: 10.1109/INTELSE.2016.7475173
H. Naeem, A. Mahmood
This paper describes a modeling and controlling of autonomous cruise control of autonomous car using bond graph modeling. We developed model using bond graph formulation by incorporating actuator dynamics and finally state space representation. We later subjected this model to robust control theory to modify the nominal model to standard format used for parametric uncertainty. We finally synthesized using LQR and H2 control technique and compared the results of a feedback system.
{"title":"Autonomous cruise control of car using LQR and H2 control algorithm","authors":"H. Naeem, A. Mahmood","doi":"10.1109/INTELSE.2016.7475173","DOIUrl":"https://doi.org/10.1109/INTELSE.2016.7475173","url":null,"abstract":"This paper describes a modeling and controlling of autonomous cruise control of autonomous car using bond graph modeling. We developed model using bond graph formulation by incorporating actuator dynamics and finally state space representation. We later subjected this model to robust control theory to modify the nominal model to standard format used for parametric uncertainty. We finally synthesized using LQR and H2 control technique and compared the results of a feedback system.","PeriodicalId":127671,"journal":{"name":"2016 International Conference on Intelligent Systems Engineering (ICISE)","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115235644","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}
Pub Date : 1900-01-01DOI: 10.1109/INTELSE.2016.7475132
M. Kashif, Amir Khurrum Rashid
A novel multilevel inverter topology with reduced number of power switches is proposed. This new topology is based on a combination of conventional diode clamped and H-bridge topologies. The proposed idea has been validated through simulation results.
{"title":"A multilevel inverter topology with reduced number of switches","authors":"M. Kashif, Amir Khurrum Rashid","doi":"10.1109/INTELSE.2016.7475132","DOIUrl":"https://doi.org/10.1109/INTELSE.2016.7475132","url":null,"abstract":"A novel multilevel inverter topology with reduced number of power switches is proposed. This new topology is based on a combination of conventional diode clamped and H-bridge topologies. The proposed idea has been validated through simulation results.","PeriodicalId":127671,"journal":{"name":"2016 International Conference on Intelligent Systems Engineering (ICISE)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131160319","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}
Pub Date : 1900-01-01DOI: 10.1109/INTELSE.2016.7475126
A. Basit, I. Qureshi, A. Malik, W. Khan, B. Shoaib
A uniform inter-element frequency offset for a frequency diverse array (FDA) radar generates a range-angle dependent beam pattern that causes broadening of half power beam width (HPBW). Certainly, this broadening of the main beam is undesirable due to the fact that it decreases the maximum reachable range and at the same time it allows interferes to affect the target- returns. Therefore, it not only results in weakening the signal to interference noise ratio (SINR), but also does not facilitate to distinguish between targets that are very close in range. In this letter, a uniformly-spaced FDA with non-uniform integer frequency offsets has been proposed. The proposed design avoids the broadening of main beam and hence provides a better range resolution as compared to the previous designs. Likewise, symmetrical frequency offset selection scheme achieve better null depths than that of non-symmetric. The usefulness of the proposed method is validated in simulations.
{"title":"Beam sharpening of a range-angle-dependent pattern using non-uniform symmetric but integer frequency offset","authors":"A. Basit, I. Qureshi, A. Malik, W. Khan, B. Shoaib","doi":"10.1109/INTELSE.2016.7475126","DOIUrl":"https://doi.org/10.1109/INTELSE.2016.7475126","url":null,"abstract":"A uniform inter-element frequency offset for a frequency diverse array (FDA) radar generates a range-angle dependent beam pattern that causes broadening of half power beam width (HPBW). Certainly, this broadening of the main beam is undesirable due to the fact that it decreases the maximum reachable range and at the same time it allows interferes to affect the target- returns. Therefore, it not only results in weakening the signal to interference noise ratio (SINR), but also does not facilitate to distinguish between targets that are very close in range. In this letter, a uniformly-spaced FDA with non-uniform integer frequency offsets has been proposed. The proposed design avoids the broadening of main beam and hence provides a better range resolution as compared to the previous designs. Likewise, symmetrical frequency offset selection scheme achieve better null depths than that of non-symmetric. The usefulness of the proposed method is validated in simulations.","PeriodicalId":127671,"journal":{"name":"2016 International Conference on Intelligent Systems Engineering (ICISE)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126639250","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}
Pub Date : 1900-01-01DOI: 10.1109/INTELSE.2016.7475160
J. Ahmed, M. A. R. Soomrani
Recently; medical data mining has become one of the well-established research areas of machine learning and AI base techniques have been used to solve the complex classification problem of thyroid disease. Due to the existence of non-palpable nodules it is very hard to detect the structural changes of thyroid disease by assessing the thyroid functional changes. For instance at structural level “Euthyroid” is normal thyroid hormonal functional state but this would be involved in initial structural changes such as goiter, cold nodule, MNG (multiple nodule goiter) and cancer (Grave's Disease and so on). The ideal system should not only identify all the thyroid disease types but also recommend state of structural levels; otherwise it would be converted into serious disease, such like cancer. In-order to mitigate such problems, this paper proposes a framework TDTD (Thyroid Disease Types Diagnostics) that aims to assist the physicians during the diagnostic process of thyroid diseases in a very structured and transparent manner. Proposed system TDTD presents a novel method MDC (Medical data cleaning) for filling of missing values in medical datasets by building classifier based upon the Bayesian isotonic regression algorithm because missing values of medical data (i.e. blood tests) are different in nature and they could not be filled with normal procedures. In second phase two classifiers are trained to classify the functional and structural levels of thyroid disease at granular level using multi and binary SVM (support vector machine) algorithms, in final phase performance and evaluation is approximated using confusion matrix, precision and recall measures.
最近;医疗数据挖掘已经成为机器学习的成熟研究领域之一，人工智能基础技术已被用于解决甲状腺疾病的复杂分类问题。由于不可触摸结节的存在，通过评估甲状腺功能的改变很难发现甲状腺疾病的结构变化。例如，在结构层面上，“甲状腺功能正常”是指正常的甲状腺激素功能状态，但这可能涉及甲状腺肿、冷结节、MNG(多结节性甲状腺肿)和癌症(Grave's Disease等)等初始结构变化。理想的系统不仅应识别所有甲状腺疾病类型，而且应推荐结构水平状态;否则就会发展成严重的疾病，比如癌症。为了缓解这些问题，本文提出了一个框架TDTD(甲状腺疾病类型诊断)，旨在以非常结构化和透明的方式协助医生在甲状腺疾病的诊断过程中。由于医疗数据(如血液检测)的缺失值性质不同，无法用常规方法进行填充，因此提出了一种基于贝叶斯等压回归算法构建分类器的医疗数据清洗方法MDC (Medical data cleaning)。在第二阶段，训练两个分类器，使用多重和二元支持向量机(SVM)算法在颗粒水平上对甲状腺疾病的功能和结构水平进行分类，在最后阶段，使用混淆矩阵，精度和召回率度量来近似性能和评估。
{"title":"TDTD: Thyroid disease type diagnostics","authors":"J. Ahmed, M. A. R. Soomrani","doi":"10.1109/INTELSE.2016.7475160","DOIUrl":"https://doi.org/10.1109/INTELSE.2016.7475160","url":null,"abstract":"Recently; medical data mining has become one of the well-established research areas of machine learning and AI base techniques have been used to solve the complex classification problem of thyroid disease. Due to the existence of non-palpable nodules it is very hard to detect the structural changes of thyroid disease by assessing the thyroid functional changes. For instance at structural level “Euthyroid” is normal thyroid hormonal functional state but this would be involved in initial structural changes such as goiter, cold nodule, MNG (multiple nodule goiter) and cancer (Grave's Disease and so on). The ideal system should not only identify all the thyroid disease types but also recommend state of structural levels; otherwise it would be converted into serious disease, such like cancer. In-order to mitigate such problems, this paper proposes a framework TDTD (Thyroid Disease Types Diagnostics) that aims to assist the physicians during the diagnostic process of thyroid diseases in a very structured and transparent manner. Proposed system TDTD presents a novel method MDC (Medical data cleaning) for filling of missing values in medical datasets by building classifier based upon the Bayesian isotonic regression algorithm because missing values of medical data (i.e. blood tests) are different in nature and they could not be filled with normal procedures. In second phase two classifiers are trained to classify the functional and structural levels of thyroid disease at granular level using multi and binary SVM (support vector machine) algorithms, in final phase performance and evaluation is approximated using confusion matrix, precision and recall measures.","PeriodicalId":127671,"journal":{"name":"2016 International Conference on Intelligent Systems Engineering (ICISE)","volume":"333 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114344650","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}
Pub Date : 1900-01-01DOI: 10.1109/INTELSE.2016.7475171
Khola Malik, B. A. Bhatti, F. Kamran
Predicting the power output of a Photovoltaic (PV) installation, whether small roof-top or utility scale, is important from resource planning perspective. For a home user, knowledge of solar power availability in the next 12 hours helps in optimal load scheduling. For a utility operator with a mix of power sources, this predicted PV output (along with a knowledge of consumer load) helps in controlling optimal mix of generation and enabling a reliable sustained power with better resource utilization. PV output estimation models for clear sky are mature and well researched, however, the effect of weather-related factors such as cloud cover, smog, fog etc. are difficult to model and include in the PV output calculations. The aim of this innovative study is to forecast the power a PV system may generate in the next 24 hours using the appropriate theoretical models. The estimated data is compared to the actual PV system readings installed at the test site. The paper presents the results in two stages, firstly theoretical predicted ground level irradiance is calculated without any attenuation factor and in second stage the irradiance is adjusted using the cloud attenuation model (C.IGH) proposed in this paper. The theoretical dataset acquired shows a reasonable accuracy when compared to the subjected PV system installed at the test site.
{"title":"An approach to predict output of PV panels using weather corrected global irradiance","authors":"Khola Malik, B. A. Bhatti, F. Kamran","doi":"10.1109/INTELSE.2016.7475171","DOIUrl":"https://doi.org/10.1109/INTELSE.2016.7475171","url":null,"abstract":"Predicting the power output of a Photovoltaic (PV) installation, whether small roof-top or utility scale, is important from resource planning perspective. For a home user, knowledge of solar power availability in the next 12 hours helps in optimal load scheduling. For a utility operator with a mix of power sources, this predicted PV output (along with a knowledge of consumer load) helps in controlling optimal mix of generation and enabling a reliable sustained power with better resource utilization. PV output estimation models for clear sky are mature and well researched, however, the effect of weather-related factors such as cloud cover, smog, fog etc. are difficult to model and include in the PV output calculations. The aim of this innovative study is to forecast the power a PV system may generate in the next 24 hours using the appropriate theoretical models. The estimated data is compared to the actual PV system readings installed at the test site. The paper presents the results in two stages, firstly theoretical predicted ground level irradiance is calculated without any attenuation factor and in second stage the irradiance is adjusted using the cloud attenuation model (C.IGH) proposed in this paper. The theoretical dataset acquired shows a reasonable accuracy when compared to the subjected PV system installed at the test site.","PeriodicalId":127671,"journal":{"name":"2016 International Conference on Intelligent Systems Engineering (ICISE)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128091998","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}
Pub Date : 1900-01-01DOI: 10.1109/INTELSE.2016.7475125
M. W. Ashraf, M. Qureshi, Fozia Ghaffar, S. Tayyaba, N. Afzulpurkar
In this paper we present structural simulation of 10×10 mm anodic aluminum oxide (AAO) membrane having thickness 0.5 mm by using ANSYS, that is finite element method based simulation software. AAO membranes have been used for various applications including hemodialysis, one of the most important applications in serving mankind. As the membrane is exposed to certain values of pressure during hemodialysis this may break or deform the membrane. Mechanical strength of AAO membrane was calculated by applying pressure ranging from 0.4-1.1 MPa. The parameters used to determine the mechanical strength includes stress, strain and displacement vector sum. The yield strength value and ultimate tensile strength value of aluminium were kept as standard to determine the maximum value of pressure that a membrane can endure without permanent deformation and breakage respectively.
{"title":"Structural study of AAO membrane during the dialysis process","authors":"M. W. Ashraf, M. Qureshi, Fozia Ghaffar, S. Tayyaba, N. Afzulpurkar","doi":"10.1109/INTELSE.2016.7475125","DOIUrl":"https://doi.org/10.1109/INTELSE.2016.7475125","url":null,"abstract":"In this paper we present structural simulation of 10×10 mm anodic aluminum oxide (AAO) membrane having thickness 0.5 mm by using ANSYS, that is finite element method based simulation software. AAO membranes have been used for various applications including hemodialysis, one of the most important applications in serving mankind. As the membrane is exposed to certain values of pressure during hemodialysis this may break or deform the membrane. Mechanical strength of AAO membrane was calculated by applying pressure ranging from 0.4-1.1 MPa. The parameters used to determine the mechanical strength includes stress, strain and displacement vector sum. The yield strength value and ultimate tensile strength value of aluminium were kept as standard to determine the maximum value of pressure that a membrane can endure without permanent deformation and breakage respectively.","PeriodicalId":127671,"journal":{"name":"2016 International Conference on Intelligent Systems Engineering (ICISE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127450906","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}
Pub Date : 1900-01-01DOI: 10.1109/INTELSE.2016.7475159
Q. Ashraf, M. H. Habaebi, M. R. Islam, Sheroz Khan
The term “Internet of Things” (IoT) refers to the expansion of Internet technologies to include smart objects by extensive deployment of exclusively identifiable distributed communication devices. The management of configuration in these devices, in particular, is a challenge due to the high heterogeneity in different communication protocols, communication sequences, and processing capabilities. We propose a device configuration management scheme for IoT inspired by IBM's autonomic control loop. This scheme is capable of discovering sensors despite their heterogeneity in their offered services. Furthermore, by enabling configuration management, dependence of IoT systems on user interference can be minimized.
{"title":"Device discovery and configuration scheme for Internet of Things","authors":"Q. Ashraf, M. H. Habaebi, M. R. Islam, Sheroz Khan","doi":"10.1109/INTELSE.2016.7475159","DOIUrl":"https://doi.org/10.1109/INTELSE.2016.7475159","url":null,"abstract":"The term “Internet of Things” (IoT) refers to the expansion of Internet technologies to include smart objects by extensive deployment of exclusively identifiable distributed communication devices. The management of configuration in these devices, in particular, is a challenge due to the high heterogeneity in different communication protocols, communication sequences, and processing capabilities. We propose a device configuration management scheme for IoT inspired by IBM's autonomic control loop. This scheme is capable of discovering sensors despite their heterogeneity in their offered services. Furthermore, by enabling configuration management, dependence of IoT systems on user interference can be minimized.","PeriodicalId":127671,"journal":{"name":"2016 International Conference on Intelligent Systems Engineering (ICISE)","volume":"157 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115311833","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}
Pub Date : 1900-01-01DOI: 10.1109/INTELSE.2016.7475113
Haseeb A. Khan, S. Ullah, Muhammad Aamir Afridi, Salman Saleem
This paper is about designing Microstrip Patch Antenna with wearable Substrate with additional EBG structure for better gain to be operated in ISM band (2.4 GHz). A Wearable substrate is used in textile garments so this antenna structure is designed specifically for wearing garments, that's why SAR (Specific Absorption Rate) has been measured in this paper. For designing EBG structure help in improving gain and better results for SAR. CST studio software has been used for simulation of this antenna.
{"title":"Patch antenna using EBG structure for ISM band wearable applications","authors":"Haseeb A. Khan, S. Ullah, Muhammad Aamir Afridi, Salman Saleem","doi":"10.1109/INTELSE.2016.7475113","DOIUrl":"https://doi.org/10.1109/INTELSE.2016.7475113","url":null,"abstract":"This paper is about designing Microstrip Patch Antenna with wearable Substrate with additional EBG structure for better gain to be operated in ISM band (2.4 GHz). A Wearable substrate is used in textile garments so this antenna structure is designed specifically for wearing garments, that's why SAR (Specific Absorption Rate) has been measured in this paper. For designing EBG structure help in improving gain and better results for SAR. CST studio software has been used for simulation of this antenna.","PeriodicalId":127671,"journal":{"name":"2016 International Conference on Intelligent Systems Engineering (ICISE)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123639104","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}
Pub Date : 1900-01-01DOI: 10.1109/INTELSE.2016.7475135
Izhar, F. Khan
Helmholtz resonator (HR) is the key element of acoustic energy harvesting devices. It is used to augment or attenuate the incoming acoustic wave. In acoustic energy harvesters the objective of HR is to augment the incoming acoustic wave. In this work an improved architecture of HR is proposed for acoustic energy harvesting devices. Modeling and simulation of the HR is reported. The HR is modeled as one degree of freedom system. The proposed HR has a high pressure gain as compared to the HR used in previously developed acoustic energy harvesting devices. The proposed design for HR results in high acoustic stiffness of the air entrapped inside the Helmholtz cavity that ultimately improves the pressure gain of the HR. Moreover, for similar dimensions the resonant frequency of the proposed HR is 1693 Hz, while resonant frequency of the reported HRs is 1119.7 Hz. Furthermore, at resonance the pressure gain of the proposed HR is 56.5 dB which is quite high than the pressure gain of the reported HRs with cylindrical shape cavities that is 52.7 dB.
{"title":"An improved design of Helmholtz resonator for acoustic energy harvesting devices","authors":"Izhar, F. Khan","doi":"10.1109/INTELSE.2016.7475135","DOIUrl":"https://doi.org/10.1109/INTELSE.2016.7475135","url":null,"abstract":"Helmholtz resonator (HR) is the key element of acoustic energy harvesting devices. It is used to augment or attenuate the incoming acoustic wave. In acoustic energy harvesters the objective of HR is to augment the incoming acoustic wave. In this work an improved architecture of HR is proposed for acoustic energy harvesting devices. Modeling and simulation of the HR is reported. The HR is modeled as one degree of freedom system. The proposed HR has a high pressure gain as compared to the HR used in previously developed acoustic energy harvesting devices. The proposed design for HR results in high acoustic stiffness of the air entrapped inside the Helmholtz cavity that ultimately improves the pressure gain of the HR. Moreover, for similar dimensions the resonant frequency of the proposed HR is 1693 Hz, while resonant frequency of the reported HRs is 1119.7 Hz. Furthermore, at resonance the pressure gain of the proposed HR is 56.5 dB which is quite high than the pressure gain of the reported HRs with cylindrical shape cavities that is 52.7 dB.","PeriodicalId":127671,"journal":{"name":"2016 International Conference on Intelligent Systems Engineering (ICISE)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121262664","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}
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