“Gheorghe Asachi”雅西技术大学
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作者:Corneliu Boţan , Florin Ostafi
来源:[J].Buletinul Institutului Politehnic din Iaşi. Electrotehnică, Energetică, Electronică, 2018, Vol.64(68) (2)TUIASI
摘要:The linear quadratic optimal model following problem with finite final time and free end point for a drive system is studied. A technique to achieve reduced energy consumption and an adequate behavior of the drive system by imposing the dynamic of the system near to a chosen mode...
作者:Gheorghe-Eugen Subţirelu , Mihăiţă Lincă , Cristina-Alexandra Preda
来源:[J].Buletinul Institutului Politehnic din Iaşi. Electrotehnică, Energetică, Electronică, 2018, Vol.64(68) (2)TUIASI
摘要:This paper presents an automatic temperature regulator which allows maintaining a constant temperature in an industrial enclosure. The temperature of the enclosure is measured with a resistive sensor placed in one of the arms of a perfectly balanced resistive bridge. The low volt...
作者:Nicu-Bogdan Gîrtan , Radu Olaru
来源:[J].Buletinul Institutului Politehnic din Iaşi. Electrotehnică, Energetică, Electronică, 2018, Vol.64(68) (2)TUIASI
摘要:Linear electromagnetic vibratory actuators are commonly used for to drive oscillating or reciprocating systems, such as vibratory conveying and compressors. In this paper is investigated the use of two original electromagnetic actuators, provided with magneto-elastic suspension f...
作者:George Mihalache , Gheorghe Livinţ , Florin Cătălin Brăescu ...
来源:[J].Buletinul Institutului Politehnic din Iaşi. Electrotehnică, Energetică, Electronică, 2018, Vol.64(68) (2)TUIASI
摘要:In this paper we present the implementation the sequences of hybrid stepper motor control using the PWM technique. The HSM phases are powered by two H-bridge. The PWM signals are generated by dsPIC33fj32MC204 microcontroller.
作者:Georgian-Cosmin Pintilie , Adrian Traian Pleşca , Georgel Gabor ...
来源:[J].Buletinul Institutului Politehnic din Iaşi. Electrotehnică, Energetică, Electronică, 2018, Vol.64(68) (2)TUIASI
摘要:The paper presents a thermal analysis of tankless heating system for industrial applications regarding of how to heat automatically the water, from an input value until a height output value. Heated water could be used in different industrial technological processes to prepa...
作者:Cornel Ianache , Boris Siro , Alexandru Săvulescu
来源:[J].Buletinul Institutului Politehnic din Iaşi. Electrotehnică, Energetică, Electronică, 2018, Vol.64(68) (2)TUIASI
摘要:In this paper are analyzed situations requiring the adjustment of the excitation magnetic flux in the case of electric machines working in technological processes that require the operation at over rated speeds. There are presented some measures that are required in such situatio...
作者:Gheorghe Manolea , Laurenţiu Alboteanu , Sorin Stepan
来源:[J].Buletinul Institutului Politehnic din Iaşi. Electrotehnică, Energetică, Electronică, 2018, Vol.64(68) (2)TUIASI
摘要:This paper presents the results obtained by the Centre for Innovation and Technology Transfer Craiova regarding the complementary equipment that was necessary for developing the anti-hail system in Romania, and one of the research directions, the adaptive control of the anti-hail...
作者:Roxana-Daniela Amăriuţei , Liviu Goraş
来源:[J].Buletinul Institutului Politehnic din Iaşi. Electrotehnică, Energetică, Electronică, 2018, Vol.64(68) (2)TUIASI
摘要:Design of Experiments (DoE) is a concept used in the context of “black-box” or “grey-box” approaches where the outputs of interest of a system are difficult to be expressed in a deterministic manner. This paper presents how the DoE can be used for estimating time-domain...
作者:Mihai Raţă , Gabriela Raţă , Adrian Graur ...
来源:[J].Buletinul Institutului Politehnic din Iaşi. Electrotehnică, Energetică, Electronică, 2018, Vol.64(68) (2)TUIASI
摘要:Often at lab applications, the teachers use only PLC simulator software, because the hardware equipment is expensive. This paper presents a solution that allows students to study both the hardware and software parts of application, in the laboratory works. The hardware part ...
作者:Constantin Vlad Suru , Mihaela Popescu , Cristina Alexandra Preda
来源:[J].Buletinul Institutului Politehnic din Iaşi. Electrotehnică, Energetică, Electronică, 2018, Vol.64(68) (2)TUIASI
摘要:The aim of this paper is the implementation and validation of a constant frequency hysteresis controller. This type of controller can be an alternative both to the classical hysteresis controller and proportional-integrative controller because, in theory, it can give constant swi...

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