{"title":"Variable speed synchronous compensador based in wound rotor induction machine: Feasibility study between topologies","authors":"P. Silva, F. Lima, C. Branco","doi":"10.1109/ISIE.2015.7281527","DOIUrl":"https://doi.org/10.1109/ISIE.2015.7281527","url":null,"abstract":"This work presents a feasibility study between two topologies which can be used in a variable speed synchronous compensator using a wound rotor induction machine (WRIM) operating in doubly fed mode (DFIG). The synchronous compensator has the capability to maintain a good quality of electricity from the grid, injecting or absorbing reactive power dynamically, in events where there is a harmful increase or drop in voltage. Was analyzed the technical and financial feasibility of the topologies of a converter and a rectifier that can compose the compensator. The obtained simulations show that technically the converter appears more advantageous while the rectifier has a greater financial viability.","PeriodicalId":377110,"journal":{"name":"2015 IEEE 24th International Symposium on Industrial Electronics (ISIE)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124213570","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}
Ricardo Lucas, R. M. Oliveira, C. Nascimento, M. Kaster
{"title":"Performance analysis of an adaptive Gaussian nonlinear PID control applied to a step-down CC-CC converter","authors":"Ricardo Lucas, R. M. Oliveira, C. Nascimento, M. Kaster","doi":"10.1109/ISIE.2015.7281612","DOIUrl":"https://doi.org/10.1109/ISIE.2015.7281612","url":null,"abstract":"In several industrial systems, designers have mainly explored topology variations, which are the case of space-vector control systems of electrical machines or active filters and power electronic converters, where the control loops still have traditional PID controllers. As the possibilities of topologies have been very explored, designers are turning attention towards nonlinear control schemes. However, in complex systems, the change of PID controllers to others nonlinear may be a very difficult task, and may require structural changes in the control system, like changing to fuzzy, sliding mode or others, and an exhaustive search for the optimal parameters. This work proposes an adaptive PID control based on gaussian functions, which are functions that presents predefined higher and lower limits, adjustable concavity, are smooth and without discontinuities. This means that little or no structural adjustments need to be made to the system. The optimal parameters are obtained by making a parametric sweep of the gaussian functions, where resulting setling-time and overshoot are considered. A comparison of simulation and experimental resutls are presented using a Buck converter with the controller implemented in an FPGA.","PeriodicalId":377110,"journal":{"name":"2015 IEEE 24th International Symposium on Industrial Electronics (ISIE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129870308","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}
{"title":"Contributions to the study of energy efficiency in dry-type transformer under nonlinear load","authors":"D. C. Silva, Renan H. Sousa, F. Lima, C. Branco","doi":"10.1109/ISIE.2015.7281511","DOIUrl":"https://doi.org/10.1109/ISIE.2015.7281511","url":null,"abstract":"Additional losses in transformers due to harmonic currents and voltages cause further heating in their structural parts, and damage its suitable operation, thereby reducing their lifetime. This paper proposes an energy efficiency study in a three-phase dry-type transformer, which compares temperature measurements obtained from a 10kVA three-phase dry transformer on both sinusoidal and non-sinusoidal currents. It is also performed a comparison between experimental and simulation results obtained from a model 3D transformer developed in COMSOL Multiphysics software.","PeriodicalId":377110,"journal":{"name":"2015 IEEE 24th International Symposium on Industrial Electronics (ISIE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129259486","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}
{"title":"A new dual inverter based solar PV system with maximum power point tracking capability","authors":"T. S. Basu, S. Maiti, C. Chakraborty","doi":"10.1109/ISIE.2015.7281464","DOIUrl":"https://doi.org/10.1109/ISIE.2015.7281464","url":null,"abstract":"A dual inverter based solar PV system is presented in this paper. To reduce the switching loss, the main inverter is switched at low frequency (square wave mode) while the other inverter operates at a higher frequency to compensate for the harmonics generated by the low frequency inverter. A new maximum power point tracking (MPPT) algorithm is proposed using only AC-side current and voltage signals to extract maximum power from the PV-panels. Note that DC-DC converter, as well as, DC-side sensors (current/voltage) are not used for the implementation of the MPPT. The usefulness of the proposed configuration is verified through simulation and experimental results.","PeriodicalId":377110,"journal":{"name":"2015 IEEE 24th International Symposium on Industrial Electronics (ISIE)","volume":"54 12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129368451","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}
D. Chugo, Sota Aburatani, Takuma Masushige, S. Muramatsu, S. Yokota, H. Hashimoto
{"title":"A hand movement which shows the intention of a robotic guide for safe walking","authors":"D. Chugo, Sota Aburatani, Takuma Masushige, S. Muramatsu, S. Yokota, H. Hashimoto","doi":"10.1109/ISIE.2015.7281586","DOIUrl":"https://doi.org/10.1109/ISIE.2015.7281586","url":null,"abstract":"This paper proposes a guide system which uses an intended hand force of a robotic guide for elderly and visually impaired people. In general, we lead these people by the hand with a different way according to the situation. For example, we lead these people strongly and rapidly for avoiding a dangerous situation. For realizing our proposed system, this paper describes the following two key topics. The first, we analyze a hand movement, which leads the other person in each situation, and investigate the characteristics of it which the follower can estimate the intention of the leader according to the situation. From our investigation, the minimum jerk trajectory model can appropriate the velocity references of a hand movement and timing of peak velocity during one hand motion tends to show the intention of its leader. The second, we design the velocity references of a hand movement based on the analysis results and for verify its effectiveness, we implement the proposed idea to our prototype robotic guide. Using our idea, our guide robot can show the situation of the surrounding environment to its follower by a hand movement.","PeriodicalId":377110,"journal":{"name":"2015 IEEE 24th International Symposium on Industrial Electronics (ISIE)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121916376","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}
M. G. Jahromi, G. Mirzaeva, S. Mitchell, David E. Gay
{"title":"Advanced fault tolerance strategy for DC microgrids in mining excavators","authors":"M. G. Jahromi, G. Mirzaeva, S. Mitchell, David E. Gay","doi":"10.1109/ISIE.2015.7281696","DOIUrl":"https://doi.org/10.1109/ISIE.2015.7281696","url":null,"abstract":"Recently, DC microgrids have become a viable option for mining distribution systems. Fault diagnostics and protection are known challenges in DC microgrids. In this paper, we present an overview of the existing strategies for fault diagnostics and protection of a DC microgrid and apply them to an open cut DC mine scenario, which includes large electric excavators. We propose a comprehensive fault tolerance strategy based on analysis of electrical and mechanical operations of an electric rope shovel and identification of its working cycle. Based on this strategy, in case of a fault, the electric rope shovel will be able to perform required actions to avoid collisions and safely finish its working cycle, while maintaining electric safety.","PeriodicalId":377110,"journal":{"name":"2015 IEEE 24th International Symposium on Industrial Electronics (ISIE)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115935681","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}
{"title":"RFID indoor localization based on support vector regression and k-means","authors":"E. L. Berz, D. A. Tesch, Fabiano Hessel","doi":"10.1109/ISIE.2015.7281681","DOIUrl":"https://doi.org/10.1109/ISIE.2015.7281681","url":null,"abstract":"Systems need to know the physical locations of objects and people to optimize user experience and solve logistical and security issues. Also, there is a growing demand for applications that need to locate individual assets for industrial automation. This work proposes an indoor positioning system (IPS) able to estimate the item-level location of stationary objects using off-the-shelf equipment. By using RFID technology, a machine learning model based on support vector regression (SVR) is proposed. A multi-frequency technique is developed in order to overcome off-the-shelf equipment constraints. A k-means approach is also applied to improve accuracy. We have implemented our system and evaluated it using real experiments. The localization error is between 17 and 31 cm in 2.25m2 area coverage.","PeriodicalId":377110,"journal":{"name":"2015 IEEE 24th International Symposium on Industrial Electronics (ISIE)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126474706","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}
{"title":"Optimal design of VSI current controllers based on MPC approach","authors":"G. Mirzaeva, G. Goodwin, B. Mcgrath","doi":"10.1109/ISIE.2015.7281611","DOIUrl":"https://doi.org/10.1109/ISIE.2015.7281611","url":null,"abstract":"Model Predictive Control (MPC) has received significant attention from the power electronics research community. In this paper we apply MPC approach to designing optimal current regulators for voltage source inverters (VSI), in the sense of tracking references and rejecting disturbances of interest. In particular, we present a detailed derivation of optimal current regulators for tracking references and rejecting disturbances of constant and harmonic types. We compare these to the existing control structures, such as proportional integral (PI) and proportional resonant (PR) current regulators. We further propose a strategy to improve their performance based on matching their structure and parameters to the optimal controllers. The findings of the paper are supported by PSIM simulations and preliminary experimental results.","PeriodicalId":377110,"journal":{"name":"2015 IEEE 24th International Symposium on Industrial Electronics (ISIE)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126477472","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}
{"title":"Power quality measurements embedded in smart lighting systems","authors":"M. Pinto, T. Mendonca, C. Duque, H. Braga","doi":"10.1109/ISIE.2015.7281643","DOIUrl":"https://doi.org/10.1109/ISIE.2015.7281643","url":null,"abstract":"Considering the three main infrastructure of the actual power system (generation, transmission and distribution), where the latter receives least attention towards the modernizing grid. However, in the new context of smart grid, the distribution network plays an important role and topics related to monitoring of the power quality parameters are of great relevance to achieve the so called smart distribution network, providing valuable and reliable information to be used in control and protection schemes and also representing an important asset which aids distribution utilities and consumers to diagnose and fix the system's problems besides enabling regulators with tools for measuring the quality of services supplied by utilities. In this way, the proposed work aims at the development of a modular and smart device to be attached in public lighting systems, enabling the control and management of the lamp's parameters as well as to measure some power quality indicators from the distribution system and providing a communication infrastructure for the information exchange with a supervisory system.","PeriodicalId":377110,"journal":{"name":"2015 IEEE 24th International Symposium on Industrial Electronics (ISIE)","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124363816","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}
A. Kulkarni, M. Patrascu, Y. V. D. Vijver, J. V. Wensveen, R. Pijnenburg, S. Nihtianov
{"title":"Investigation of long-term drift of NTC temperature sensors with less than 1 mK uncertainty","authors":"A. Kulkarni, M. Patrascu, Y. V. D. Vijver, J. V. Wensveen, R. Pijnenburg, S. Nihtianov","doi":"10.1109/ISIE.2015.7281460","DOIUrl":"https://doi.org/10.1109/ISIE.2015.7281460","url":null,"abstract":"Long-term drift of temperature sensors is critical to applications requiring high reliability. However, documentation and knowledge regarding long-term stability is limited. Usually manufacturers promulgate drift margins down to 10-20 mK/year, while the performance of the sensors might be much better. For some advanced industrial applications, which demand drift rates down to a few mK/year, this information is inadequate. In this paper, we present our investigation of the long-term drift of a few sets of small footprint, off-the-shelf NTC (negative temperature coefficient) temperature sensors, based on an extremely stable test setup guaranteeing stability of better than 1 mK between two calibration intervals. The results show that the SMD type sensor from Murata manufacturing (NCP15XH103D03RC), intriguingly, is the most stable sensor among the sensors tested with a drift rate of 0.492 mK/year peak-to-peak. Most of the other sensors tested have drift rates of lower than 1 mK/year, making them suitable for temperature sensing applications requiring long-term stabilities in the mK range.","PeriodicalId":377110,"journal":{"name":"2015 IEEE 24th International Symposium on Industrial Electronics (ISIE)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116625829","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}