Pub Date : 2014-12-01DOI: 10.1109/MECHATRONIKA.2014.7018323
Bohuslav Bušov, M. Bartlová
The article presents a partial use of TRIZ methodology and Goldfire Innovator® for improving the active hinge of the car bonnet. The hinge is one of many components of complex measures of EU for an increase the active pedestrian protection. The measures result from the EuroNCAP regulation which has to be observed within testing the safety of vehicles in a collision with pedestrians, especially in city traffic, in pedestrian crossings, where the most accidents are occurred [1]. The article introduces a significant improvement in product design system - the active hinge of the car bonnet. The active hinge must lift up the rear part of the bonnet in appropriate short time to extend the deformation space between the bonnet and the rigid parts of the engine compartment. Fast and controlled lifting of the bonnet mitigates the consequences of collision between pedestrian and a vehicle. VA-Value analysis of the existing hinge design has revealed the least valuable components and complete one “weak” subsystem. Trimming procedure has brought the possibility to delegate functions of the “weak” subsystem into new redesigned element - the actuator. The new system of active hinge to obtain dynamicity (and function of the bonnet “to lift-up”) as well as solidity (and function of the bonnet “to fix” the bonnet basic position), uses for both contradictory functions a very fast linear actuator with ball lock application. The simplicity of a new active bonnet hinge has led to fast and cheap preparation of the experiment, prototype testing and introduction of new solution of the active hinge in automotive company.
{"title":"Improvement of active hinge of the car bonnet","authors":"Bohuslav Bušov, M. Bartlová","doi":"10.1109/MECHATRONIKA.2014.7018323","DOIUrl":"https://doi.org/10.1109/MECHATRONIKA.2014.7018323","url":null,"abstract":"The article presents a partial use of TRIZ methodology and Goldfire Innovator® for improving the active hinge of the car bonnet. The hinge is one of many components of complex measures of EU for an increase the active pedestrian protection. The measures result from the EuroNCAP regulation which has to be observed within testing the safety of vehicles in a collision with pedestrians, especially in city traffic, in pedestrian crossings, where the most accidents are occurred [1]. The article introduces a significant improvement in product design system - the active hinge of the car bonnet. The active hinge must lift up the rear part of the bonnet in appropriate short time to extend the deformation space between the bonnet and the rigid parts of the engine compartment. Fast and controlled lifting of the bonnet mitigates the consequences of collision between pedestrian and a vehicle. VA-Value analysis of the existing hinge design has revealed the least valuable components and complete one “weak” subsystem. Trimming procedure has brought the possibility to delegate functions of the “weak” subsystem into new redesigned element - the actuator. The new system of active hinge to obtain dynamicity (and function of the bonnet “to lift-up”) as well as solidity (and function of the bonnet “to fix” the bonnet basic position), uses for both contradictory functions a very fast linear actuator with ball lock application. The simplicity of a new active bonnet hinge has led to fast and cheap preparation of the experiment, prototype testing and introduction of new solution of the active hinge in automotive company.","PeriodicalId":430829,"journal":{"name":"Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125004645","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 : 2014-12-01DOI: 10.1109/MECHATRONIKA.2014.7018256
L. Janak, V. Singule
This paper deals with the state of art in the field of energy harvesting systems. The paper mainly aims to the novel field of energy harvesting systems utilized in aerospace environment. Their most prospective applications in zero-power sensors and backup power sources for low-power systems are outlined and discussed. Vibration and thermoelectric energy harvesters are presented as a most suitable alternative low-power sources for aerospace applications. Consequently, the system-level architecture of zero-power sensor and backup power source are described. Practical realization of energy harvesting systems for aerospace is shown on case studies of devices developed at the Brno University of Technology.
{"title":"Energy harvesting for aerospace: Application possibilities","authors":"L. Janak, V. Singule","doi":"10.1109/MECHATRONIKA.2014.7018256","DOIUrl":"https://doi.org/10.1109/MECHATRONIKA.2014.7018256","url":null,"abstract":"This paper deals with the state of art in the field of energy harvesting systems. The paper mainly aims to the novel field of energy harvesting systems utilized in aerospace environment. Their most prospective applications in zero-power sensors and backup power sources for low-power systems are outlined and discussed. Vibration and thermoelectric energy harvesters are presented as a most suitable alternative low-power sources for aerospace applications. Consequently, the system-level architecture of zero-power sensor and backup power source are described. Practical realization of energy harvesting systems for aerospace is shown on case studies of devices developed at the Brno University of Technology.","PeriodicalId":430829,"journal":{"name":"Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114569879","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 : 2014-12-01DOI: 10.1109/MECHATRONIKA.2014.7018322
Bac Nghia Vu, Miloš Andrle
In order to determine position, GPS receiver needs to know navigation message which is obtained by demodulating received signal. Demodulating process requires the local harmonic signal and received signal must have pretty good phase alignment. So the phase locked loop is employed to track phase of received signal. This paper implements the phase locked loop to track the GPS signal. Basic principle of phase locked loop signal is presented. Then different types of phase locked loop with different architectures and types of the filter are implemented. Results of implementation show performance of the loops. The tracking loop is carried out in MATLAB using samples of intermediate frequency signal recorded from a GPS front-end.
{"title":"The code and carrier tracking loops for GPS signal","authors":"Bac Nghia Vu, Miloš Andrle","doi":"10.1109/MECHATRONIKA.2014.7018322","DOIUrl":"https://doi.org/10.1109/MECHATRONIKA.2014.7018322","url":null,"abstract":"In order to determine position, GPS receiver needs to know navigation message which is obtained by demodulating received signal. Demodulating process requires the local harmonic signal and received signal must have pretty good phase alignment. So the phase locked loop is employed to track phase of received signal. This paper implements the phase locked loop to track the GPS signal. Basic principle of phase locked loop signal is presented. Then different types of phase locked loop with different architectures and types of the filter are implemented. Results of implementation show performance of the loops. The tracking loop is carried out in MATLAB using samples of intermediate frequency signal recorded from a GPS front-end.","PeriodicalId":430829,"journal":{"name":"Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121365196","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 : 2014-12-01DOI: 10.1109/MECHATRONIKA.2014.7018339
L. Streit, J. Talla, P. Drábek
The paper is concerned with the comparison of four basic control strategies of the on-board energy storage system. The energy storage system is able to increase the tram efficiency and decrease operating costs. The comparing criteria are energy savings of strategies. Energy savings are calculated via stochastic model of the real tram line. Return on the investment is also estimated in this paper.
{"title":"Economic comparison of basic energy storage system control strategies","authors":"L. Streit, J. Talla, P. Drábek","doi":"10.1109/MECHATRONIKA.2014.7018339","DOIUrl":"https://doi.org/10.1109/MECHATRONIKA.2014.7018339","url":null,"abstract":"The paper is concerned with the comparison of four basic control strategies of the on-board energy storage system. The energy storage system is able to increase the tram efficiency and decrease operating costs. The comparing criteria are energy savings of strategies. Energy savings are calculated via stochastic model of the real tram line. Return on the investment is also estimated in this paper.","PeriodicalId":430829,"journal":{"name":"Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124838482","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 : 2014-12-01DOI: 10.1109/MECHATRONIKA.2014.7018275
T. Březina, L. Březina, Jakub Stetina, J. Marek
The estimation of optimal values of a model parameters has an important role in early stages of V-cycle based mechatronic design of a system. Utilization of a model with flexible bodies in the objective function of the optimization procedure leads due to its high order to the lengthy or unfeasible optimization calculations. It is presented an utilization of a linear time invariant model (state-space LTI) of a system with flexible bodies represented by a block model which overcomes the mentioned difficulties. The model consists of two blocks - a) block containing mainly state-space LTI of flexible bodies which does not depend on values of searched parameters and b) block which depends on them. This allows clear and effective representation of the problem, its efficient implementation and, consequently, finding the optimal values of the required basic parameters. The formulation of the task will be demonstrated on three studies. The first one deals with the location of optimal values of design parameters of absorber connected to the flexible cantilever, the second one deals with vibration energy harvesting device and the last one with damping of heavy machine tool long axis.
{"title":"Design of optimal parameter values of mechatronic system with flexible bodies using a block model","authors":"T. Březina, L. Březina, Jakub Stetina, J. Marek","doi":"10.1109/MECHATRONIKA.2014.7018275","DOIUrl":"https://doi.org/10.1109/MECHATRONIKA.2014.7018275","url":null,"abstract":"The estimation of optimal values of a model parameters has an important role in early stages of V-cycle based mechatronic design of a system. Utilization of a model with flexible bodies in the objective function of the optimization procedure leads due to its high order to the lengthy or unfeasible optimization calculations. It is presented an utilization of a linear time invariant model (state-space LTI) of a system with flexible bodies represented by a block model which overcomes the mentioned difficulties. The model consists of two blocks - a) block containing mainly state-space LTI of flexible bodies which does not depend on values of searched parameters and b) block which depends on them. This allows clear and effective representation of the problem, its efficient implementation and, consequently, finding the optimal values of the required basic parameters. The formulation of the task will be demonstrated on three studies. The first one deals with the location of optimal values of design parameters of absorber connected to the flexible cantilever, the second one deals with vibration energy harvesting device and the last one with damping of heavy machine tool long axis.","PeriodicalId":430829,"journal":{"name":"Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126228701","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 : 2014-12-01DOI: 10.1109/MECHATRONIKA.2014.7018239
P. Losak, R. Vlach
This paper deals with the analysis of shaft loaded by magnetic force. The shaft deflection and critical speed are obtained by two methods: Transfer Matrix Method and Finite Element Method. The Finite Element Method is well known, however, the Transfer matrix method not. Therefore, the first section of this paper is focused on the brief introduction to this method. The results obtained by both methods are shown and compared. In addition, the study of the magnetic pull modelling strategy impact on the results is performed.
{"title":"Study of the response of the shaft loaded by unbalanced magnetic pull","authors":"P. Losak, R. Vlach","doi":"10.1109/MECHATRONIKA.2014.7018239","DOIUrl":"https://doi.org/10.1109/MECHATRONIKA.2014.7018239","url":null,"abstract":"This paper deals with the analysis of shaft loaded by magnetic force. The shaft deflection and critical speed are obtained by two methods: Transfer Matrix Method and Finite Element Method. The Finite Element Method is well known, however, the Transfer matrix method not. Therefore, the first section of this paper is focused on the brief introduction to this method. The results obtained by both methods are shown and compared. In addition, the study of the magnetic pull modelling strategy impact on the results is performed.","PeriodicalId":430829,"journal":{"name":"Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130040813","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 : 2014-12-01DOI: 10.1109/MECHATRONIKA.2014.7018273
A. Oros, Roxana-Daniela Amariutei, Andi Buzo, M. Rafaila, M. Topa, G. Pelz
Systems grow in complexity but their behavior has to meet the specifications and to be robust in all or most situations and conditions. When variations affect more responses of a system, achieving robustness becomes a hard to fulfill task because different responses may demand concurrent settings for the system's factors. In this paper, we approach multi-response robustness optimization by estimating the dependence of the response distribution on some controllable factors. The estimation is made based on a number of simulations with different factors settings and it is able to predict the response distribution. We used three methods for choosing the optimal factor settings. The first uses a weighted cost function based on the importance of each response, while the last two methods constraint the factors space by imposing a restriction for each response. The methods are applied on a beam-leveling system used in automotive and proved to be successful even if the number of heterogeneous factors is greater compared with other systems used in literature. The optimal settings are validated by comparing the estimated cost functions with the simulated ones.
{"title":"Robustness optimization of heterogeneous systems in multi-objective scenarios","authors":"A. Oros, Roxana-Daniela Amariutei, Andi Buzo, M. Rafaila, M. Topa, G. Pelz","doi":"10.1109/MECHATRONIKA.2014.7018273","DOIUrl":"https://doi.org/10.1109/MECHATRONIKA.2014.7018273","url":null,"abstract":"Systems grow in complexity but their behavior has to meet the specifications and to be robust in all or most situations and conditions. When variations affect more responses of a system, achieving robustness becomes a hard to fulfill task because different responses may demand concurrent settings for the system's factors. In this paper, we approach multi-response robustness optimization by estimating the dependence of the response distribution on some controllable factors. The estimation is made based on a number of simulations with different factors settings and it is able to predict the response distribution. We used three methods for choosing the optimal factor settings. The first uses a weighted cost function based on the importance of each response, while the last two methods constraint the factors space by imposing a restriction for each response. The methods are applied on a beam-leveling system used in automotive and proved to be successful even if the number of heterogeneous factors is greater compared with other systems used in literature. The optimal settings are validated by comparing the estimated cost functions with the simulated ones.","PeriodicalId":430829,"journal":{"name":"Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116962319","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 : 2014-12-01DOI: 10.1109/MECHATRONIKA.2014.7018344
Yongtao Liu, Kai Dong, T. Dong
Light-emitting diodes (LED) has been developing rapidly during recent years due to the advancement of technology driven by the global demand of reducing carbon dioxide emission to the atmosphere. Meanwhile, various kinds of corresponding LED products has been generated and widely used in many fields, e.g.. However, how to improve the luminous efficiency is the challenge in LED industry. And the problem is closely related to PN junction cooling, which becomes more prominent. To solve this problem, a new type of heat dissipation structure is proposed in this paper, which uses a new kind of heat pipe - bionic transpiration heat pipe with high thermal efficiency. In addition, the simulation used ANSYS Icepak on basis of this model will show the advantages of the system we design in details. Furthermore, the application of the present design can further broaden the application fields of LED in IT, military, machinery,aviation and so forth.
{"title":"Thermal simulation of bionic transpiration heat pipe system for high-power LED","authors":"Yongtao Liu, Kai Dong, T. Dong","doi":"10.1109/MECHATRONIKA.2014.7018344","DOIUrl":"https://doi.org/10.1109/MECHATRONIKA.2014.7018344","url":null,"abstract":"Light-emitting diodes (LED) has been developing rapidly during recent years due to the advancement of technology driven by the global demand of reducing carbon dioxide emission to the atmosphere. Meanwhile, various kinds of corresponding LED products has been generated and widely used in many fields, e.g.. However, how to improve the luminous efficiency is the challenge in LED industry. And the problem is closely related to PN junction cooling, which becomes more prominent. To solve this problem, a new type of heat dissipation structure is proposed in this paper, which uses a new kind of heat pipe - bionic transpiration heat pipe with high thermal efficiency. In addition, the simulation used ANSYS Icepak on basis of this model will show the advantages of the system we design in details. Furthermore, the application of the present design can further broaden the application fields of LED in IT, military, machinery,aviation and so forth.","PeriodicalId":430829,"journal":{"name":"Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129621703","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 : 2014-12-01DOI: 10.1109/MECHATRONIKA.2014.7018351
M. Plotnikova
Nanotechnology is an increasingly researched area due to the big potential and a wide range of applications. An important part of this technology is communication, so that's why the paper will be mainly focused on the area of nanocommunications, which is primarily based on principles of electromagnetic field. The goal is then to design nanoantennas and their constructions, it means to find the appropriate shapes, which will correspond by their properties to the classical radio antennas, and at the same time achieve the nanoscale dimensions.
{"title":"Communication in nanotechnology","authors":"M. Plotnikova","doi":"10.1109/MECHATRONIKA.2014.7018351","DOIUrl":"https://doi.org/10.1109/MECHATRONIKA.2014.7018351","url":null,"abstract":"Nanotechnology is an increasingly researched area due to the big potential and a wide range of applications. An important part of this technology is communication, so that's why the paper will be mainly focused on the area of nanocommunications, which is primarily based on principles of electromagnetic field. The goal is then to design nanoantennas and their constructions, it means to find the appropriate shapes, which will correspond by their properties to the classical radio antennas, and at the same time achieve the nanoscale dimensions.","PeriodicalId":430829,"journal":{"name":"Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129122829","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 : 2014-12-01DOI: 10.1109/MECHATRONIKA.2014.7018286
Akif Durdu, H. Cetin, Hasan Komur
In this study, a robot arm that can imitate human arm is designed and presented. The potentiometers are located to the joints of the human arm in order to detect movements of human gestures, and data were collected by this way. The collected data named as “movement of human arm” are classified by the help of Artificial Neural Network (ANN). The robot performs its movements according to the classified movements of the human. Real robot and real data are used in this study. Obtained results show that the learning application of imitating human action via the robot was successfully implemented. With this application, the platforms of robot arm in an industrial environment can be controlled more easily; on the other hand, robotic automation systems which have the capability of making a standard movements of a human can become more resistant to the errors.
{"title":"Robot imitation of human arm via Artificial Neural Network","authors":"Akif Durdu, H. Cetin, Hasan Komur","doi":"10.1109/MECHATRONIKA.2014.7018286","DOIUrl":"https://doi.org/10.1109/MECHATRONIKA.2014.7018286","url":null,"abstract":"In this study, a robot arm that can imitate human arm is designed and presented. The potentiometers are located to the joints of the human arm in order to detect movements of human gestures, and data were collected by this way. The collected data named as “movement of human arm” are classified by the help of Artificial Neural Network (ANN). The robot performs its movements according to the classified movements of the human. Real robot and real data are used in this study. Obtained results show that the learning application of imitating human action via the robot was successfully implemented. With this application, the platforms of robot arm in an industrial environment can be controlled more easily; on the other hand, robotic automation systems which have the capability of making a standard movements of a human can become more resistant to the errors.","PeriodicalId":430829,"journal":{"name":"Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122199576","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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