Pub Date : 2018-07-24DOI: 10.15406/eetoaj.2018.02.00019
Jobeda J. Khanam, S. Foo
Maximum Power Point Tracking (MPPT) is very useful tool in PV application. Solar radiation and temperature are the main factor for which the electric power supplied by a photovoltaic system varies. The voltage at which PV module can produce maximum power is called ‘maximum power point’ (or peak power voltage).1–3 The main principle of MPPT is responsible for extracting the maximum possible power from the photovoltaic and feed it to the load via dc to dc converter which steps up/steps down the voltage to required magnitude. Various MPPT techniques have been used in past but Perturb & Observe (P&O) algorithm is most widely accepted.4–6 P&O algorithm has also been shown to provide wrong tracking with rapidly varying irradiance.7–10 In this paper we are implemented neural network based MPPT method. Artificial Neural Network (ANN) is an artificial network that can able to mimic the human biological neural networks behavior. ANN widely used in modeling complex relationships between inputs and outputs in nonlinear systems. ANN can also be defined as parallel distributed information processing structure. The ANN consists of inputs, and at least one hidden layer and one output layer. These layers have processing elements which are called neurons interconnected together. To calculate error contribution of each neuron after a batch of data processing a method called ‘back propagation’ is used. Back propagation is commonly used by the gradient descent optimization algorithm to adjust the weight of neurons by calculating the gradient of the loss function. This technique is also called back propagation error. This is because the error is calculated at the output and circulated back through the network layers.11 Mathematical solar array modeling
{"title":"Modeling of a photovoltaic array in MATLAB simulink and maximum power point tracking using neural network","authors":"Jobeda J. Khanam, S. Foo","doi":"10.15406/eetoaj.2018.02.00019","DOIUrl":"https://doi.org/10.15406/eetoaj.2018.02.00019","url":null,"abstract":"Maximum Power Point Tracking (MPPT) is very useful tool in PV application. Solar radiation and temperature are the main factor for which the electric power supplied by a photovoltaic system varies. The voltage at which PV module can produce maximum power is called ‘maximum power point’ (or peak power voltage).1–3 The main principle of MPPT is responsible for extracting the maximum possible power from the photovoltaic and feed it to the load via dc to dc converter which steps up/steps down the voltage to required magnitude. Various MPPT techniques have been used in past but Perturb & Observe (P&O) algorithm is most widely accepted.4–6 P&O algorithm has also been shown to provide wrong tracking with rapidly varying irradiance.7–10 In this paper we are implemented neural network based MPPT method. Artificial Neural Network (ANN) is an artificial network that can able to mimic the human biological neural networks behavior. ANN widely used in modeling complex relationships between inputs and outputs in nonlinear systems. ANN can also be defined as parallel distributed information processing structure. The ANN consists of inputs, and at least one hidden layer and one output layer. These layers have processing elements which are called neurons interconnected together. To calculate error contribution of each neuron after a batch of data processing a method called ‘back propagation’ is used. Back propagation is commonly used by the gradient descent optimization algorithm to adjust the weight of neurons by calculating the gradient of the loss function. This technique is also called back propagation error. This is because the error is calculated at the output and circulated back through the network layers.11 Mathematical solar array modeling","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82646128","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 : 2018-07-19DOI: 10.4172/2325-9833.1000163
M. Belattar, M. Lashab, Abdelaziz Benhabrou
The proposed microstrip filter is based on parallel coupled lines whose propagation mode is quasi-TEM, this type of filter take an important part in various communication systems. In this work we will study the procedure of design and realization of an UHF band-pass filter with centre frequency of 868.5 MHz and bandwidth of 1 MHz based on Coupled parallel lines, the obtained theoretical results are in good agreement with the literature.
{"title":"UHF Band-Pass Filter Based on Parallel Coupled Resonators","authors":"M. Belattar, M. Lashab, Abdelaziz Benhabrou","doi":"10.4172/2325-9833.1000163","DOIUrl":"https://doi.org/10.4172/2325-9833.1000163","url":null,"abstract":"The proposed microstrip filter is based on parallel coupled lines whose propagation mode is quasi-TEM, this type of filter take an important part in various communication systems. In this work we will study the procedure of design and realization of an UHF band-pass filter with centre frequency of 868.5 MHz and bandwidth of 1 MHz based on Coupled parallel lines, the obtained theoretical results are in good agreement with the literature.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":"78 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83898873","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 : 2018-06-30DOI: 10.4172/2325-9833.1000161
J. Windarto, Sudjadi, Karnoto, T. Sukmadi, I. Santoso, A. Desmiarti
The development of generator technology continues to improve from year to year. The scope of such improvement varies from the shape, design, size, the usage of material, and even regarding to the efficiency of the generator output power. However, the role of the software to design such electric machinery in the improvement of generator technology development should not be ignored. So before designing and manufacturing the electric machines, especially generators, it is important to know the specifications of materials which are needed in the design of the generator, regarding the initialization of each constituent part of the generator for example, in the pre-design process of a 12 slot 8 pole generator is a must.
{"title":"Effect of Geometry Generator Variation Design 12 Slot 8 Pole on Power Efficiency Design","authors":"J. Windarto, Sudjadi, Karnoto, T. Sukmadi, I. Santoso, A. Desmiarti","doi":"10.4172/2325-9833.1000161","DOIUrl":"https://doi.org/10.4172/2325-9833.1000161","url":null,"abstract":"The development of generator technology continues to improve from year to year. The scope of such improvement varies from the shape, design, size, the usage of material, and even regarding to the efficiency of the generator output power. However, the role of the software to design such electric machinery in the improvement of generator technology development should not be ignored. So before designing and manufacturing the electric machines, especially generators, it is important to know the specifications of materials which are needed in the design of the generator, regarding the initialization of each constituent part of the generator for example, in the pre-design process of a 12 slot 8 pole generator is a must.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":"68 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83246165","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 : 2018-05-25DOI: 10.4172/2325-9833.1000157
René Fochie Kuate, G. Kenné, A. M. Fombu, A. Cheukem, H. Fotsin
In this paper, an improve robust UPFC controller is designed based on Lyapunov direct method which enhances the power flow and DC voltage regulation of a power system. The proposed controller is robust and produces an optimal response in the presence of unknown bounds of system parameter uncertainty and disturbances. The magnitudes of the uncertainty and disturbances are identified online and the information obtained is then used to tune the controller. The performance of the proposed controller is simulated on a Kundur power system and compared with a state feedback controller with integral control, called state feedback PI controller. Comparative results indicate satisfactory performance of the proposed controller in dealing with the uncertainties and disturbances considered.
{"title":"Improved UPFC Controller Based on Lyapunov Theory for Power Flow Control and DC Voltage Regulation","authors":"René Fochie Kuate, G. Kenné, A. M. Fombu, A. Cheukem, H. Fotsin","doi":"10.4172/2325-9833.1000157","DOIUrl":"https://doi.org/10.4172/2325-9833.1000157","url":null,"abstract":"In this paper, an improve robust UPFC controller is designed based on Lyapunov direct method which enhances the power flow and DC voltage regulation of a power system. The proposed controller is robust and produces an optimal response in the presence of unknown bounds of system parameter uncertainty and disturbances. The magnitudes of the uncertainty and disturbances are identified online and the information obtained is then used to tune the controller. The performance of the proposed controller is simulated on a Kundur power system and compared with a state feedback controller with integral control, called state feedback PI controller. Comparative results indicate satisfactory performance of the proposed controller in dealing with the uncertainties and disturbances considered.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":"7 1","pages":"1-9"},"PeriodicalIF":0.0,"publicationDate":"2018-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89278190","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 : 2018-05-15DOI: 10.4172/2325-9833.1000152
B. Singh, A. Pratap
This paper presents a hybrid approach based on Genetic Algorithms (GA) and Monte Carlo Simulartion (MCS) are used as a optimization technique of objective function such as minimization of real power loss of the system for improvement of the system power factor by distributed generations (DG) (such as T2 operating at different power factors i.e.0.91, 0.92, 0.94, 0.96 and 0.98 leading, respectively) and incorporated static synchronous compensator (STATCOM) with different load models (DLMs) such as constant, industrial, residential, commercial and reference load models in distribution systems from minimum total real power loss of the system viewpoint. In this paper, T2 type of DG is considered on the basis of real and reactive power deliviered/absorbed characteristics from the system bus. DG incorporated with STATCOM can be working in different modes of operations such as generating, floating and load modes, respectively in distribution systems with different loading conditions. The proposed methdology has been tested for IEEE-16 bus test system. This work is very much useful for reseachers and scientific persons regarding the improvement of the system power factor by DG and STATCOM with different load models (DLMs) in the distribution systems from minimization of real power loss of the system. This work also helpful for people working in the field of renewable energy sources.
{"title":"A Hybrid Approach Based on GA and Monte Carlo Simulation for Improvement of the System Power Factor by DG and STATCOM in Distribution Systems","authors":"B. Singh, A. Pratap","doi":"10.4172/2325-9833.1000152","DOIUrl":"https://doi.org/10.4172/2325-9833.1000152","url":null,"abstract":"This paper presents a hybrid approach based on Genetic Algorithms (GA) and Monte Carlo Simulartion (MCS) are used as a optimization technique of objective function such as minimization of real power loss of the system for improvement of the system power factor by distributed generations (DG) (such as T2 operating at different power factors i.e.0.91, 0.92, 0.94, 0.96 and 0.98 leading, respectively) and incorporated static synchronous compensator (STATCOM) with different load models (DLMs) such as constant, industrial, residential, commercial and reference load models in distribution systems from minimum total real power loss of the system viewpoint. In this paper, T2 type of DG is considered on the basis of real and reactive power deliviered/absorbed characteristics from the system bus. DG incorporated with STATCOM can be working in different modes of operations such as generating, floating and load modes, respectively in distribution systems with different loading conditions. The proposed methdology has been tested for IEEE-16 bus test system. This work is very much useful for reseachers and scientific persons regarding the improvement of the system power factor by DG and STATCOM with different load models (DLMs) in the distribution systems from minimization of real power loss of the system. This work also helpful for people working in the field of renewable energy sources.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":"26 1","pages":"1-13"},"PeriodicalIF":0.0,"publicationDate":"2018-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82762545","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 : 2018-05-10DOI: 10.4172/2325-9833.1000153
Baig Aa, Yang Xx
In the present modern era with the development of power systems, fast and accurate faults locations becoming more and more important. Power grids produce transient travelling wave signals, which transmit along the transmission line to each substation with the speed approaching the velocity of light. Using the exact arrival time of the fault traveling wave and the waveform characteristics recorded at each substation, the traveling wave based fault location and protection can be realized. The fault location has high precision, and the protection has fast action speed. So, current transformer saturation low frequency oscillation and fault resistance cannot influence it. Fault location device (FLD) is installed at each substation in power grid, and travelling wave host computer is installed in control center. When a fault occurs, FLD records the switch operation information and the arrival time of the travelling wave, the information is then transmitted to the host computer. Lightning strike fault location method can only locate the fault caused by lightning, and it hardly satisfies the operation requirements in power system. Travelling wave fault location method with GPS is simple and with high precision, it has been applied in extra-high-voltage.
{"title":"A Study of Travelling Wave Fault Location","authors":"Baig Aa, Yang Xx","doi":"10.4172/2325-9833.1000153","DOIUrl":"https://doi.org/10.4172/2325-9833.1000153","url":null,"abstract":"In the present modern era with the development of power systems, fast and accurate faults locations becoming more and more important. Power grids produce transient travelling wave signals, which transmit along the transmission line to each substation with the speed approaching the velocity of light. Using the exact arrival time of the fault traveling wave and the waveform characteristics recorded at each substation, the traveling wave based fault location and protection can be realized. The fault location has high precision, and the protection has fast action speed. So, current transformer saturation low frequency oscillation and fault resistance cannot influence it. \u0000Fault location device (FLD) is installed at each substation in power grid, and travelling wave host computer is installed in control center. When a fault occurs, FLD records the switch operation information and the arrival time of the travelling wave, the information is then transmitted to the host computer. Lightning strike fault location method can only locate the fault caused by lightning, and it hardly satisfies the operation requirements in power system. Travelling wave fault location method with GPS is simple and with high precision, it has been applied in extra-high-voltage.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":"8 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79235069","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 : 2018-05-10DOI: 10.4172/2325-9833.1000154
Baig Aa, Yang Xx, Yang Ms
Prediction of photovoltaic (PV) power output has become more important recently. PV power completely depends on solar cell working conditions, which are directly connected to the weather. So, to get the maximum power output from the system many maximum power point tracking (MPPT) techniques have been introduced, but in this paper, MPPT techniques with intelligent algorithm have been discussed. These techniques are mathematically modeled and presented in such a way that the appropriate application could be chosen. A comparative table is presented at the end of the paper to simplify the classification of the different techniques.
{"title":"Photovoltaic Power Tracking Techniques with Intelligent Prediction","authors":"Baig Aa, Yang Xx, Yang Ms","doi":"10.4172/2325-9833.1000154","DOIUrl":"https://doi.org/10.4172/2325-9833.1000154","url":null,"abstract":"Prediction of photovoltaic (PV) power output has become more important recently. PV power completely depends on solar cell working conditions, which are directly connected to the weather. So, to get the maximum power output from the system many maximum power point tracking (MPPT) techniques have been introduced, but in this paper, MPPT techniques with intelligent algorithm have been discussed. These techniques are mathematically modeled and presented in such a way that the appropriate application could be chosen. A comparative table is presented at the end of the paper to simplify the classification of the different techniques.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":"70 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89372033","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 : 2018-05-10DOI: 10.4172/2325-9833.1000155
C. Rm, C. Kavitha, G. Mamatha
: Femtocell is a low powered small base station that operates on licensed frequency band. Femtocells are deployed by users to improve indoor coverage. Femtocells and the outer macrocell can co-exist with dedicated spectrum allocation or shared spectrum allocation strategy to avoid interference. The dedicated spectrum allocation strategy is not cost-effective as spectrum resource is limited. However the shared spectrum allocation strategy where the femtocells share the same frequency bands with the macrocell is an efficient solution, but demands specialized inter-cell interference management techniques. This paper investigates the characteristics of dense femtocells and its various access control modes and provides an overview of resource allocation, open issues and challenges for interference avoidance in dense OFDMA hybrid access femtocells.
{"title":"Interference Avoidance Challenges in Densely Deployed OFDMA Hybrid Access Femto Cellular Networks","authors":"C. Rm, C. Kavitha, G. Mamatha","doi":"10.4172/2325-9833.1000155","DOIUrl":"https://doi.org/10.4172/2325-9833.1000155","url":null,"abstract":": Femtocell is a low powered small base station that operates on licensed frequency band. Femtocells are deployed by users to improve indoor coverage. Femtocells and the outer macrocell can co-exist with dedicated spectrum allocation or shared spectrum allocation strategy to avoid interference. The dedicated spectrum allocation strategy is not cost-effective as spectrum resource is limited. However the shared spectrum allocation strategy where the femtocells share the same frequency bands with the macrocell is an efficient solution, but demands specialized inter-cell interference management techniques. This paper investigates the characteristics of dense femtocells and its various access control modes and provides an overview of resource allocation, open issues and challenges for interference avoidance in dense OFDMA hybrid access femtocells.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":"12 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2018-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72842643","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 : 2018-05-09DOI: 10.4172/2325-9833.1000156
B. Omijeh, A. Promise
The identification and evaluation of down time variables in the management of telecommunication masts sites is a study aimed at evaluating the effects of down times on profit projections. The scope of the research is limited to MTN masts within Port Harcourt and 73 masts sites were sampled out of 812 MTN sites. The data used in this research are secondary data which were obtained from a recognized organization and these data were verified and organized to fit as input for the analysis intended. The methods adopted for this research were discriminant analysis, factor analysis, estimation factor analysis and cost benefit analysis. Results showed that the most occurred down time issue in the management of mast sites are the generator/power related issues and ranking them in order of importance, the power related issues are followed by the technical telecommunication issues and lastly access related issues. These down times identified were capable of causing down time to an average of 90 minutes daily which is 500% above the MTN/Ericsson SLA set minimum allowable (21.6 minutes). The cost benefit analysis from this research showed losses which could yield zero profit annually if the communication industry allows its down time to be greater than the mean calls from users of a base station especially when these calls happen during the down time duration. A control table to aid in the understanding of these down time effects was developed by varying the mean calls from a cell site, cost per minute rate and downtime duration. This distribution is aimed at aiding professionals in the telecommunication industry to see the future effect of down time on worst and best scenario of profit.
{"title":"Identification and Evaluation of Downtime Variables in the Management of a Telecommunication Mast Site: A Case of Telecommunication Mast Sites in Port Harcourt","authors":"B. Omijeh, A. Promise","doi":"10.4172/2325-9833.1000156","DOIUrl":"https://doi.org/10.4172/2325-9833.1000156","url":null,"abstract":"The identification and evaluation of down time variables in the management of telecommunication masts sites is a study aimed at evaluating the effects of down times on profit projections. The scope of the research is limited to MTN masts within Port Harcourt and 73 masts sites were sampled out of 812 MTN sites. The data used in this research are secondary data which were obtained from a recognized organization and these data were verified and organized to fit as input for the analysis intended. The methods adopted for this research were discriminant analysis, factor analysis, estimation factor analysis and cost benefit analysis. Results showed that the most occurred down time issue in the management of mast sites are the generator/power related issues and ranking them in order of importance, the power related issues are followed by the technical telecommunication issues and lastly access related issues. These down times identified were capable of causing down time to an average of 90 minutes daily which is 500% above the MTN/Ericsson SLA set minimum allowable (21.6 minutes). The cost benefit analysis from this research showed losses which could yield zero profit annually if the communication industry allows its down time to be greater than the mean calls from users of a base station especially when these calls happen during the down time duration. A control table to aid in the understanding of these down time effects was developed by varying the mean calls from a cell site, cost per minute rate and downtime duration. This distribution is aimed at aiding professionals in the telecommunication industry to see the future effect of down time on worst and best scenario of profit.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":"18 1","pages":"1-10"},"PeriodicalIF":0.0,"publicationDate":"2018-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81461927","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}
Battery Drain problems can occur in the vehicle due to improper network management between electronic control units (ECUs). Aim of this paper is to identify the factors that cause transmission and cease of transmission of a network management message of an ECU along with its application messages that controls the sleep/wake-up performance of other ECUs in the network. Strategy used here is, based on the root cause analysis of problems found in Display unit in vehicle environment, the functional CAN signals impacting sleep/wake-up behavior is re-mapped along with the state flow transition of AUTOSAR NM Algorithm. A re-defined test case design and simulation for vehicle model is created. Especially it focuses on validating the impact of functional CAN signals on DUT’s sleep/wake-up performance. The result includes, design and development of use case matrix(mapped with specification) to validate the impact of network management messages, its flow of transition as well as the impact of functional CAN messages on the sleep/wake-up behavior of DUT and on the system as a whole. Also a new set of system level defects identified across Audio and display units-based on the re-designed network management test procedure and simulation with Vector Canoe model (comprehensive software tool for development, test and analysis of entire ECU networks and individual ECUs.). This paper provides relevant design guidelines for acceptance testing of any communicative network that follows AUTOSAR standard and this can be deployed across programs/products. It concludes validation of network management functionality (AUTOSAR) shall not be restricted only to the transmission of network management (NM) message of an ECU, as well as shall consider application messages that triggers NM messages of other ECUs in the network. History Received: 18 Oct 2017 Accepted: 11 Mar 2018 e-Available: 18 Apr 2018
{"title":"Parasitic Battery Drain Problems and AUTOSAR Acceptance Testing","authors":"A. Thiyagaraj","doi":"10.4271/07-11-02-0013","DOIUrl":"https://doi.org/10.4271/07-11-02-0013","url":null,"abstract":"Battery Drain problems can occur in the vehicle due to improper network management between electronic control units (ECUs). Aim of this paper is to identify the factors that cause transmission and cease of transmission of a network management message of an ECU along with its application messages that controls the sleep/wake-up performance of other ECUs in the network. Strategy used here is, based on the root cause analysis of problems found in Display unit in vehicle environment, the functional CAN signals impacting sleep/wake-up behavior is re-mapped along with the state flow transition of AUTOSAR NM Algorithm. A re-defined test case design and simulation for vehicle model is created. Especially it focuses on validating the impact of functional CAN signals on DUT’s sleep/wake-up performance. The result includes, design and development of use case matrix(mapped with specification) to validate the impact of network management messages, its flow of transition as well as the impact of functional CAN messages on the sleep/wake-up behavior of DUT and on the system as a whole. Also a new set of system level defects identified across Audio and display units-based on the re-designed network management test procedure and simulation with Vector Canoe model (comprehensive software tool for development, test and analysis of entire ECU networks and individual ECUs.). This paper provides relevant design guidelines for acceptance testing of any communicative network that follows AUTOSAR standard and this can be deployed across programs/products. It concludes validation of network management functionality (AUTOSAR) shall not be restricted only to the transmission of network management (NM) message of an ECU, as well as shall consider application messages that triggers NM messages of other ECUs in the network. History Received: 18 Oct 2017 Accepted: 11 Mar 2018 e-Available: 18 Apr 2018","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":"11 1","pages":"139-147"},"PeriodicalIF":0.0,"publicationDate":"2018-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.4271/07-11-02-0013","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41975664","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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