Jose Carlos Quadrado

Jose Carlos Quadrado
Instituto Politécnico de Lisboa | ISEL · Departamento de Engenharia e Sistemas de Potência e Automação

PhD DSc Habil

About

78
Publications
10,688
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
327
Citations
Additional affiliations
May 1995 - present
Instituto Politécnico de Lisboa
Position
  • Coordinating Full Professor
January 1990 - present
Instituto Politécnico de Lisboa
Position
  • Coordinating Full Professor

Publications

Publications (78)
Article
Full-text available
Facilitated by public administrations and the European Union, higher education institutions should support their teachers so they develop the skills for online and other forms of teaching and learning opened up by the digital era and should exploit the opportunities presented by technology to improve the quality of teaching and learning. The articl...
Article
Full-text available
This paper focuses on the justification and incorporation of sustainable development course into the certified training of engineering educators. Under the ERASMUS+ Project ENTER, a consortium was set up to build the capacity of engineering HEIs by strengthening engineering educators’ preparation by an innovative kind of engineering pedagogy. One o...
Article
Full-text available
Remote limb ischemic preconditioning (RIPC) has shown to improve dynamic postural control in humans. However, studies on the underlying adaptations of spinal cord networks have never been performed. The present work addresses this issue by investigating parameters from the soleus H-reflex recruitment curve (RC), presynaptic mechanisms of reflex mod...
Article
Full-text available
The EngineeriNg educaTors pEdagogical tRaining (ENTER) project aims at creating a novel multicultural and international approach for formal post-graduate professional and pedagogical education for engineering educators. It is focused on low cost and convenience, thus strongly based on e-learning technologies, whenever feasible, and designed with th...
Article
Full-text available
High quality professional training in accordance with the principles of outcome-based approach depends on the learning outcomes students are expected to achieve upon graduation from the educational program. However, the definition of a set of core competencies is just one of the steps that have to be fulfilled, but not enough for successful achieve...
Conference Paper
Full-text available
Energy consumption has been essential for Nations’ development. Developing countries are highly populated and growing at a faster pace than already developed ones. Their willingness to reach a higher state of development is natural, which will inevitably mean the need for huge amounts of energy and resources. Moreover, they will generate huge amoun...
Article
Full-text available
This paper presents the design and experimental voltage quality evaluation of controllers for the output voltages of 3-phase four-leg voltage source inverters. These inverters are needed in stand-Alone power systems to supply linear and non-linear, balanced or unbalanced loads with constant RMS value voltages at fixed frequency. Comparisons include...
Article
This paper proposes a novel demand response model using a fuzzy subtractive cluster approach. The model development provides support to domestic consumer decisions on controllable loads management, considering consumers’ consumption needs and the appropriate load shape or rescheduling in order to achieve possible economic benefits. The model based...
Conference Paper
This paper focuses on computational models development and its applications on demand response, within smart grid scope. A prosumer model is presented and the corresponding economic dispatch problem solution is analyzed. The prosumer solar radiation production and energy consumption are forecasted by artificial neural networks. The existing demand...
Article
Full-text available
Globalization is a trend that covers all society perspectives in general, and higher education in particular. The main traditional objective of higher education institutions has been to prepare domestic students with a given set of skills. Research competition and University’s rankings, as well as the need to reach other publics, pushed them toward...
Article
Full-text available
This paper develops an energy management system with integration of smart meters for electricity consumers in a smart grid context. The integration of two types of smart meters (SM) are developed: (i) consumer owned SM and (ii) distributor owned SM. The consumer owned SM runs over a wireless platform–ZigBee protocol and the distributor owned SM use...
Article
Full-text available
Purpose . This paper aims to review the morphological and functional characteristics of patients affected by familial amyloid polyneuropathy (FAP), with greater focus on type I and its progression after liver transplantation. We also analyse therapeutic options for the ophthalmic manifestations. Methods . The literature from 2002 through 2015 was r...
Conference Paper
Full-text available
Nowadays sustainability is becoming extremely important and although the concept is perfectly established, there are different approaches to teach the fundamental aspects to be considered. Aiming at a higher level of internationalization and having in mind that students could gain from an intensive and multicultural experience ISEP organized its fi...
Conference Paper
The paper discusses the outcomes of the Tempus project QUEECA, led by the University of Florence, School of Engineering. The project, involving 4 out of 5 TEMPUS countries in Central Asia, aims at setting up and implementing a system of Quality Assurance for Engineering Education in Central Asia countries. Through the discussion of the specific pro...
Conference Paper
This paper develops an energy management system with smart meters integration for electricity consumers in a smart grid context. The integration of a distributor owned smart meter from the main Portuguese electricity distributor - EDP - is developed. The smart meter is connected to a common PC, that runs the Matlab Software and communicates to the...
Conference Paper
Energy efficiency plays an important role to the CO 2 emissions reduction, combating climate change and improving the competitiveness of the economy. The problem presented here is related to the use of stand-alone diesel gen-sets and its high specific fuel consumptions when operates at low loads. The variable speed gen-set concept is explained as a...
Article
Full-text available
This paper focuses on demand response in a smart grid scope using a fuzzy subtractive clustering technique for modeling demand response. Domestic consumption is classified into profiles in order to favorable cover the adequate modeling. The fuzzy subtractive clustering technique is applied to a case study of domestic consumption demand response wit...
Conference Paper
This paper presents the modelling and the numerical simulation results of a bidirectional DC-DC converter using modular Marx power electronic switches to be applicable in high-voltage converters. To achieve ample voltage ratio between high-voltage and low-voltage sides, the proposed DC-DC converter uses also a power electronic circuit, in the low-v...
Conference Paper
Full-text available
This paper focus on a demand response model analysis in a smart grid context considering a contingency scenario. A fuzzy clustering technique is applied on the developed demand response model and an analysis is performed for the contingency scenario. Model considerations and architecture are described. The demand response developed model aims to su...
Conference Paper
This paper addresses the role that decision analysis plays in helping engineers to gain a greater understanding of the problems they face. The need of structured decision analysis is highlighted as well as the use of multiple criteria decision analysis to tackle sustainability issues with emphasis in the use of MACBETH approach. Some insights from...
Conference Paper
Full-text available
This paper focuses on an analysis of demand response in a smart grid context, presenting the model considerations and architecture. Domestic consumption is divided into groups in order to cover the adequate modeling. A fuzzy subtractive clustering method is applied to demand response on several domestic consumption scenarios and results analyses ar...
Article
In order for governments from around the world, but more specifically from Latin America to be able to respond and meet increases in electrical power demand in the coming years and deal with the tightening of global environmental standards, a shift from the current conventional electricity production has to be altered, and new innovative energy pro...
Article
In a simple web browsing, where personal data are entered and stored in a website, user's private data may be exposed. In this research, we assume that, besides all the security knowledge about cryptography, there are still many websites without a simple cryptography mechanism (such as SSL) and also that the users security culture still inadequate...
Article
The purpose of this study was to evaluate the efficacy of cysteamine eyedrops 0.1136% (new formulation, now stable at room temperature without the need for refrigeration for up to 2 months) for the treatment of cystine crystals in the cornea using slit lamp biomicroscopy and confocal microscopy. A 20-year-old woman with infantile cystinosis, with a...
Article
Full-text available
Engineering and technology play a key role in globalization as developed and developing countries develop and implement effective and efficient strategies that advance their economies and social development. Engineering has played a critical role in economic development in the history of civilization, because engineers are important not only in sol...
Article
Full-text available
In the last few years, the wind energy development in Portugal has increased enormously. Since 2000 there was an expansion from 76MW to the actual 1908MW, with an annual average increase of approximately 68% last year. To reach the 39% target set for the installed capacity from renewable sources until the year 2010, Portuguese plans, assumed by the...
Article
Full-text available
The purpose of the current work is to analyze algorithms for neural networks. The main idea of this work is to use multi-agent system and multi-agent negotiation algorithms to create decision support system for diagnostics of public electric transport workability. The intelligent multi-agent system structure is developed. The base of multi-agent is...
Article
Full-text available
This paper addresses the thermal power systems scheduling problem with emission constraints. Nowadays, renewable energy is a reality, but the level of renewable energy bring into play are not as much as needed and when it is needed to satisfy all the demand of electric energy in our society. Fossil fuels are necessary to ensure that this demand is...
Article
Full-text available
The introduction of a large quantity of wind generators on the Portuguese electric grid, will produce the effect of having a large percentage of installed power whose production is not controllable. The consequence is a major difficulty to the grid operator in dealing with power availability and oscillations in the frequency. There is the urgent ne...
Conference Paper
The sustainable mobility is the object of two papers being this paper the second part. In the first paper (Part I), the mobility needs and problems of our societies, from the energy, oil dependency and environment point of view were presented. In Part II some of the actual and future solutions provided by electric and hybrid vehicles, as well as by...
Conference Paper
Full-text available
The sustainable mobility is the object of two papers being this paper the first part. The purpose of the two papers is to present the mobility needs and problems of our societies, from the energy, oil dependency and environment point of view (Part I) and to present some of the actual and future solutions provided by electric and hybrid vehicles, as...
Article
Full-text available
The Brushless Direct Current (BLDC) motor is one of the motors types rapidly gaining attractiveness. Actually they are becoming widely used in various consumer and industrial systems. As the name implies, BLDC motors do not use brushes for commutation, they are electronically commutated. This paper presents a Matlab simulation model that includes t...
Conference Paper
The usage of linear permanent-magnet (PM) actuators, and their associated controllers, increases in a wide variety of applications, due to the exhibited high force density, robustness, and accuracy. The s-curve motion profiling is the motion trajectory usually employed in common industrial applications. In this control scheme, the trajectory shape...
Conference Paper
Full-text available
In this paper the usage of neural networks together with bondgraphs allowing the determination of the structural controllability and observability, is presented. The usage of bondgraphs allows a preliminary interpretation that enables the conclusion drawing about the structural characteristics, regardless of the numerical parameters of the system....
Conference Paper
Full-text available
In this paper the problem with the introduction of a large quantity of wind generators on the electric grid is presented. A method based in artificial neural networks (ANN) is used to predict the average hourly wind speed. The study starts by choosing the patterns set length to predict de wind speed. The ANN structure and the learning method are ch...
Conference Paper
In this work-in-progress the problem with the future integration of large quantity of wind generators in the Portuguese electric grid is presented. A method based in artificial neural networks (ANN) is used to predict the average hourly wind speed. The work starts by choosing the patterns set length, the ANN structure and the learning method. As we...
Article
A model for a PM electric motor describing transient operation is presented. The paper provides an outline of the equivalent magnetic circuit modelling method used and the model parameters for a Permanent Magnet motor. The operation of a 40 kW motor-generator is used to illustrate the model accuracy compared with results provided by a conventional...
Article
Full-text available
In this paper, in order to stimulated the develop active bearings (AMB) systems we propose a linear controller design for maglev motors, based on forces and voltages required for stable control of the rotor in the radial direction. The control currents intentionally break force symmetry, resulting in unbalanced radial forces. The system employs two...
Article
Full-text available
By considering a four-wheel-motor EV, the present paper addresses the EV stabilization using the advantages of electrical motorized wheels incorporation. The decoupling of the control of the active steering control (AFS) and the direct yaw moment control (DYC) as a way of controlling the vehicle's body slip angle and its yaw rate simultaneously, al...
Article
Full-text available
This paper presents a new approach to the control of the turn-on angle used to excite the switched reluctance motor (SRM). The control algorithm determines the turn-on angle that supports the most efficient operation of the motor drive system, and can be divided in two fractions. One fraction of the control algorithm monitors the position of the fi...
Article
Full-text available
Several new generation and storage technologies have the potential to significantly influence power system performance. Some of these new technologies are well suited for distributed generation applications. The purpose of this work is to define the characteristics of Wind Energy Conversion Systems (WECS) to develop studies of power system dynamics...
Article
Full-text available
The paper presents a hybrid modelling of electrical motors. To improve the performance, the analytical model is combined with Adaptive-Network-based Fuzzy Inference System (ANFIS) to compensate the modelling error. The architecture and hybrid learning procedure is presented. The method is applied to universal motors. In the first step, parameters o...
Article
Full-text available
A feedback gain tuning method is proposed to control electromechanical actuators that have the characteristic applicable to iterative trial movements. The tuning algorithm is composed of an optimisation procedure based on the Complex Method and does not require any dynamic model of controlled systems. It tunes the feedback gain under an arbitrary p...
Article
Full-text available
A solution to perform an automatic parking manoeuvre for an electric vehicle is presented in this paper. A mathematical dynamic model is described considering the initial and final position of the vehicle in each point of the desired trajectory controlled by the vehicle's velocity and steering angle. The problem of obstacle detection is also consid...
Article
We start by stating a mathematical programming problem for the optimisation of the operation of an automatic self-production power system. We discuss the optimisation problem in order to design an algorithm for our self-production power system. We present a case studied based in a real prices from Portuguese power market. Finally, we report that ou...
Conference Paper
A controller for an electromechanical positioning actuator is synthesised. The different levels of intelligent behaviour of the resulting controller are analysed; the skill level, the rule level and the knowledge level. An analysis of the resulting system intelligent behaviour is presented, including its learning ability. A comparison between the e...
Article
A cognitive intelligent approach to the control of an electromechanical positioning actuator using Tendentious Vague Sets (TSets) is presented. The electromechanical positioning actuator prototype discussed is essentially a position control system whose constitutive elements are a PC based control unit, a Direct Torque Control (DTC) inverter and an...
Conference Paper
This paper describes an elastic fuzzy controller with a sigma-delta driven power inverter for electromechanical positioners. The computerised fuzzy algorithm calculates the required input control voltage for the electromechanical converter. As the desired electrical power is usually quite high, the input control voltage is first applied to a switch...
Conference Paper
A new “elastic” fuzzy motor drive position controller is proposed. Fuzzy rules are obtained only with experimental knowledge on motor drive dynamics and then recursively applied to obtain “elastic” non-limited boundaries and the elimination of steady state errors. The “elastic” controller, implemented by a recursive lookup table, performs the “gain...
Conference Paper
A robust universal motor drive position fuzzy controller is proposed. Fuzzy rules are obtained only with experimental knowledge on motor drive dynamics. Thus without knowing any one of the motor parameters or operating conditions, a suitable lookup table makes this controller well suited to position control of most motors, from DC to synchronous ty...
Article
Full-text available
In this study the AA attempted to evaluate the relationship between lens optical density and lens fluorescence determined in vivo, with some specific (in vitro) biochemical changes occurring during cataract development. Special attention has been given to the comparison between diabetic and non diabetic cataracts. Prior to surgery all lenses were a...
Article
Description of 32 cases of congenital heart disease in the adulthood, admitted in the First Department of Medicine of Hospital Santa Maria, Lisboa between 1980 and 1989. Retrospective study. Admission from the Emergency Room and Outpatients Clinic to an Internal Medicine Department of a General Hospital. Adult patients with congenital heart disease...
Article
To evaluate the efficacy of amiodarone in tachyarrhythmias occurring acutely, in patients with different nosological entities of the heart. A retrospective study. Emergency-room patients and ward-patients, in an Internal Medicine Department of a University Hospital. Sequential sample of 148 patients with acute tachyarrhythmias, 138 out of them supr...
Article
The therapeutic approach of hyponatremia is reviewed, and the authors describe their recent experience of a clinical case of a woman with acute hyponatremia. After analysing the main publications of the last years, they conclude that the way of correcting hyponatremia largely depends of its acute or chronic character. Chronic hyponatremia must be c...
Article
Full-text available
In this paper some aspects about the Portuguese engineering education are addressed. Some aspects related to faculty human resources, financial resources, students and teachers qualification are discussed. Some details about efficiency and research development outcomes are also presented. An introductory study and procedure about the strategic mana...
Article
Full-text available
The aim of this paper is to present a new model for the linear induction motor (LIM), which is based on its equivalence with the asymmetrical rotary induction motor. The model uses the theory of positive, negative and zero sequence of symmetrical and asymmetrical components. Experimental and simulation procedures with a LIM prototype allowed the th...
Article
Full-text available
This paper presents an educational approach based on computer simulation for teaching on emission pollution constraints concerning the use of fossil fuel in power systems plants, burning coal, oil or gas to convert into electric energy. Particularly, the paper addresses the short-term schedule of thermal units. Nowadays, renewable energy is a reali...
Article
Full-text available
The purpose of the work is to design and optimise the operation of a system coupling a photovoltaic field, an electrolyser, a gas storage unit, a fuel cell and a power management unit using the cutting-edge technology materials. Such a hybrid system is intended to be an environmentally friendly solution, to maximise the use of the renewable energy...
Article
Full-text available
A stability criterion for universal fuzzy position control drives is described. This method allows an immediate definition of the stability boundaries through the knowledge of common motor parameters. The method can be applied to almost every type of motors, from DC to Synchronous, regardless of most fuzzy controller characteristics. "Elastic " fuz...
Article
Full-text available
In this paper a new approach is made on PM tubular linear synchronous motor (PM-TLSM) modelling, considering a non linear model. This model allows the incorporation of PM elements characteristics. The straight forward approach induces robust simulation results for tubular linear machines, without resorting to complex variable transformations.
Article
Full-text available
This paper is on damage due to human activities on our environment in the context of measures against environment pollution. More precisely, we access the pollution emission coming from electric energy power plants burning coal, oil, or gas to convert into electric energy. Power systems emission constraints are important for dealing with the limita...

Network