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Ryszard Beniak and Arkadiusz Gardecki

References [1] KAHLE K., Power Converters and Power Quality, Proc. CAS-CERN Accelerator School Power Converters, R. Bailey (Ed.), Baden, Switzerland, 7-14 May 2014, CERN-2015-003, Geneva, 2015, 57-82. [2] Product Manual NI 6132/6133 Specifications, http://www.ni.com/pdf/manuals/371231d.pdf [3] BENIAK R., GARDECKI A., MOCH J., Measurements of electrical drives in dynamic states using dedicated measurement systems, Przegl. Elektrotechn., 2011, 87(2), 9-12 (in Polish). [4] BENIAK R., GARDECKI A

Open access

R. Anand, B. Gayathridevi and B. K. Keshavan

Abstract

Permanent magnet motor drive is a widely used technology, offering many advantages, such as exceptional speed, torque control and greater flexibility. Improvement of reliability and efficiency has become a great research interest. Towards this direction and taking into account the major developments in permanent machine technology over the recent years, the use of energy recovery converters has been introduced in various industrial applications. In this paper, the effects of harmonics on a three-phase motor controlled by a drive are analysed, and the behaviours of the filter topology after adopting regenerative drives are studied. The main contribution of this study is a methodology to foresee the standards that can be achieved with the use of an active front end system topology with filters. Moreover, the use of an optimum filter that eases the power system distortion is presented. The analysis presented in this paper is validated experimentally.

Open access

Robert Stala

., Tutorial time averaging methods in PWM multilevel power converters analysis: Application to voltage quality evaluation and flying capacitors average voltage balancing dynamics, IEEE International Symposium on Industrial Electronics, Bari, 2010, 4468-4531. [21] THIELEMANS S., RUDERMAN A., REZNIKOV B., MELKEBEEK J., Simple time domain analysis of a 4-level H-bridge flying capacitor converter voltage balancing, IEEE International Conference on Industrial Technology (ICIT), Vi a del Mar, 2010, 818-823. [22] THIELEMANS S., RUDERMAN A

Open access

Piotr Derugo

Abstract

The article is a summary of previous work on the possibility of using Petri layers in adaptive neuro-fuzzy controllers. In the first part of the paper the controller and two types of Petri layer have been presented, competitive layer which resets certain signals and transition layer which causes omission of signals. Layer properties were described and comparison has been made. In the second part of the paper, the results of a simulation showing the advantages and disadvantages of proposed solutions have been presented. Both quality of reference signal tracking and energetic cost of control process have been calculated. In the last part, analysis and comments on the results were made. Main conclusions are that transition Petri layer can significantly reduce growth of numerical cost of the algorithm despite the increase of fuzzy rules count. Also both competitive Petri layer and transition Petri layer by changing some inner signals can affect output value of the fuzzy system and thus the control quality indicators change. Most positive solutions have been pointed out.

Open access

Md. Jamil Uddin, Hadaate Ullah and Mohammad Arif Sobhan Bhuiyan

Abstract

The bandpass filter is one of the essential blocks of every modern RF transceiver. Performance of the transceiver greatly depends on the performance of the bandpass filter. A bandpass filter designed with passive inductors suffers from some drawbacks like large chip size, low-quality factor, less tenability etc. To prevail over these constraints, an active inductor-based bandpass filter circuit has been designed in GPDK-90nm CMOS technology utilizing cadence virtuoso environment. The simulation result shows that the active inductor-based bandpass filter circuit design achieves a gain of 6.79dB, a bandwidth of 5.05 GHz and a noise figure of 3.10dB. The circuit dissipates only 3.55mW power for its operation from a single 1.5V DC supply. By avoiding bulky inductor in the design helped to attain a very small chip area of 127.704μm2.

Open access

Piotr Sobański

Abstract

Classical voltage space vector modulation techniques cannot be efficiently applied in four-switch three-phase voltage inverter-fed electrical drives due to a voltage offset in DC-link capacitors. The capacitor voltages imbalance is a result of a bidirectional current which flows in a phase of an electric motor that is connected to a DC-link capacitor midpoint. To overcome this problem which leads to an incorrect inverter voltage modulation or even can affect the DC-link capacitors, predictive control algorithms considering the voltage offset in DC-link capacitors have been developed. Despite the predictive methods are highly effective, they require to adjust the cost function weighting factors which is normally an inexplicit task. In this paper, an on-line tuning method of the weighting factor related to the capacitor voltages imbalance incorporated in the cost function of the predictive algorithm has been proposed. According to the proposed approach, the weighting factor is self-adjusted so that the DC-link capacitor voltages are stabilized as well as a high quality of the drive control is remained simultaneously, regardless of its operating point. The proposed strategy has been validated by using simulation model of the induction motor drive system.

Open access

Béla-Csaba Simon, Stefan Oniga and Iuliu Alexandru Pap

Interface” Proceedings of the 2013 IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems May 26-29, 2013, Nanjing, China. [8] D. Feil-Seifer, M. Mataric, “Human-robot interaction,” in Encyclopedia of Complexity and System Science, new York, Springer, 2009, pp. 4643-4659. [9] I. A. Pap, S. Oniga, I. Orha, A. Alexan, “IoT-Based eHealth Data Acquisition System”, International Conference on Automation, Quality and Testing, Robotics, Cluj-Napoca, Romania, 2018. [10] P. Freedson, H. Bowles, R. Troiano, W. Haskell

Open access

Piotr Lipnicki and Daniel Lewandowski

Link PWM Converters, Power Electronics, Intelligent Motion and Power Quality, PCIM Conference, Nurnberg 2006, 295-302. [4] MARISCOTTI A., Analysis of the DC-link current spectrum in voltage source inverters, IEEE Trans. Circ. Syst. I, 2002, 49(4), 484-491. [5] BIWAS G., CELAYA J., GOEBEL K., KUKALRNI C., Prognostics Techniques for Capacitor Degradation and Health Monitoring, Marconi Conference, Knoxville, TN, 2011, 220-227. [6] FUCHS F.W., Some Diagnosis Methods for Voltage Source Inverters In Variable Speed Drives with