Corneliu CRISTESCU


34-29 MENTENANȚA SISTEMELOR DE ACȚIONARE HIDRAULICĂ PRIN DIAGNOZĂ VIBROACUSTICĂ

MAINTENANCE OF HYDRAULIC DRIVE SYSTEMS VIA VIBROACOUSTIC DIAGNOSIS
The aim of the article is to presents some of the experimental results regarding the noise and vibration levels of different types of hydrostatic equipment’s in working. Vibration diagrams and acoustic spectra are measured in order to obtain a functional database of well-functioning diagrams so that to be compare with the diagram of malfunctioning hydrostatic equipment. The goal is to have a maintenance instrument in hydraulic drive systems diagnosis.
Keywords: vibroacoustic diagnosis, maintenance, hydraulic drives, reference model
Cuvinte cheie: diagnoză vibroacustică, mentenanță predictivă, mentenanță preventivă, acționare hidraulică, model de referință

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34-27 PIERDERILE DE PUTERE ÎN INSTALAȚIILE HIDRAULICE LA REGLAREA VITEZELOR

THE POWER LOSSES IN SPEED ADJUSTMENT
OF HYDROSTATIC DRIVES
This paper aims to highlight how aparticular hydraulic configuration can influence power losses in a hydraulic drive scheme. From this point of view, hydraulic schemes of hydraulic linear cilinders are discussed.
Key words: design, hydraulic system, power losses, control speed
Cuvinte cheie: proiectare, sistem hidraulic, pierderi de putere, controlul vitezei

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33-20 MAŞINI DE TOPIT ZĂPADA

SNOW MELTING MACHINES
In the first part of the paper, is presented a new category of technological equipments used to remove the fallen snow on the public urban spaces such as parking, airport runways, public roads and private spaces. It shows the principle of operation, structure and performance of such equipments, currently called snow melter., Actually, this machines are an alternative to the classic snow removal solution by transporting it to predestined locations, usually at long distances, which offers certain advantages, especially in terms of speed of decongestion of traffic, and for the environment because the removal of snow beeing an ecological process.
Keywords: snowmobiles, mobile snowmobiles, stationary snowmobiles, urban snowmobiles, self-propelled snowmobiles, trailed snowmobiles
Cuvinte cheie: topitoare de zăpadă, topitoare mobile de zăpadă, topitoare staţionare de zăpadă, topitoare urbane de zăpadă, topitoare de zăpadă autopropulsate, topitoare de zăpadă tractate

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32-69 SIMULATOR ELECTRO-HIDRAULIC MOBIL PENTRU PROVOCAREA DERAPAJULUI LATERAL UTILIZAT PENTRU INSTRUIREA CONDUCĂTORILOR DE AUTOTURISME PARTEA II – INSTALAŢIILE HIDRAULICĂ ŞI ELECTRICĂ

ELECTRO-HYDRAULIC MOBILE SIMULATOR TO CHALLENGE E A SIDE SKID USED FOR

THE TRAINING OF DRIVERS

PART II–ELECTRIC AND HYDRAULIC EQUIPMENTS

 

The article presents a simulation equipment to cause side skidding of the cars, used for training/preparing for special situations of the drivers. In the second part of the article, are presented the electric and hydraulic equipment, which assure the running of the simulator, in good conditions.

 

Keywords: electro-hydraulic equipment, mobile simulator, skidding sideways operated electro-hydraulic, electro-hydraulic simulator

Cuvinte cheie: echipament electro-hidraulic, simulator mobil, derapaj lateral, acţionare electro-hidraulică, simulator electro-hidraulic

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32-68 SIMULATOR ELECTRO-HIDRAULIC MOBIL PENTRU PROVOCAREA DERAPAJULUI LATERAL UTILIZAT PENTRU INSTRUIREA CONDUCĂTORILOR DE AUTOTURISME PARTEA I – CONCEPŢIA GENERALĂ A ECHIPAMENTULUI

ELECTRO-HYDRAULIC MOBILE SIMULATOR TO CHALLENGE E A SIDE SKID USED FOR

THE TRAINING OF DRIVERS

PART I – GENERAL CONCEPTION

 

The article presents a simulation equipment to cause side skidding of the cars, used for training / preparing for special situations of the drivers. In the first part of the article, are showed the general conception of the equipment design, main parts, technical characteristics and performances.

 

Keywords: electro-hydraulic equipment, mobile simulator, skidding sideways operated electro-hydraulic, electro-hydraulic simulator

Cuvinte cheie: echipament electro-hidraulic, simulator mobil, derapaj lateral, acţionare electro-hidraulică, simulator electro-hidraulic

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30-11 RAMPĂ MOBILĂ TELESCOPICĂ CU ACŢIONARE HIDRAULICĂ PENTRU ACCES ÎN INTERIORUL CLĂDIRILOR PARTEA II – INSTALAŢIILE HIDRAULICĂ ŞI ELECTRICĂ

TELESCOPIC MOBILE RAMP WITH HYDRAULIC DRIVE FOR
ACCESS INSIDE OF THE BUILDINGS
PART II – ELECTRIC AND HYDRAULIC ECQUIPMENTS
The paper presents a telescopic mobile ramp with hydraulic drive for
access on upper levels inside of the of buildings. In the paper, is shows the
structural component of equipment, the technical characteristics and, also, its
usefulness in the actions of the Romanian Gendarmerie in its missions to
ensure public order and security.
Keywords: portable ramp telescopic, mobile hydraulic, scale hydro,
hydro-mechanical equipment
Cuvinte cheie: rampă mobilă telescopică, echipament mobil, acţionare
hidraulică, scară hidraulică, echipament hidro-mecanic

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30-10 RAMPĂ MOBILĂ TELESCOPICĂ CU ACŢIONARE HIDRAULICĂ PENTRU ACCES ÎN INTERIORUL CLĂDIRILOR PARTEA I – CONCEPŢIA GENERALĂ A ECHIPAMENTULUI

TELESCOPIC MOBILE RAMP WITH HYDRAULIC DRIVE FOR
ACCESS INSIDE OF THE BUILDINGS
PART I – GENERAL CONCEPTION
The paper presents a telescopic mobile ramp with hydraulic drive for
access on upper levels inside of the of buildings. In the paper, is shows the
structural component of equipment, the technical characteristics and, also, its
usefulness in the actions of the Romanian Gendarmerie in its missions to
ensure public order and security.
Keywords: portable ramp telescopic, mobile hydraulic, scale hydro,
hydro-mechanical equipment
Cuvinte cheie: rampă mobilă telescopică, echipament mobil, acţionare
hidraulică, scară hidraulică, echipament hidro-mecanic

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28-47 ECHIPAMENT MOBIL CU ACŢIONARE HIDRAULICĂ PENTRU BLOCAREA CĂILOR DE ACCES PARTEA a II-a INSTALAŢIA HIDRAULICĂ DE ACŢIONARE

MOBILE EQUIPMENT WITH HYDRAULIC DRIVING FOR
BLOCKING ACCESS ROADS.
PART II – HYDRAULIC DRIVING SYSTEM
The paper presents mobile equipment with hydraulic drive for blocking of the streets with access prohibited areas. In the paper, is shows the structural component of equipment, the technical characteristics and, also, its usefulness in airside control actions of the Romanian Gendarmerie in its missions.
Keywords: lock equipment, mobile equipment, hydraulic, hydro -mechanical equipment
Cuvinte cheie: echipament de blocare, echipament mobil, acţionare hidraulică, echipament hidro-mecanic

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28-46 ECHIPAMENT MOBIL CU ACŢIONARE HIDRAULICĂ PENTRU BLOCAREA CĂILOR DE ACCES PARTEA I – CONCEPŢIA GENERALĂ A ECHIPAMENTULUI

MOBILE EQUIPMENT WITH HYDRAULIC DRIVING
FOR BLOCKING ACCESS ROADS.
PART I–GENERAL CONCEPTION
The paper presents mobile equipment with hydraulic drive for blocking of the streets with access prohibited areas. In the paper, is shows the structural component of equipment, the technical characteristics and, also, its usefulness in airside control actions of the Romanian Gendarmerie in its missions.
Keywords: lock equipment, mobile equipment, hydraulic, hydro -mechanical equipment
Cuvinte cheie: echipament de blocare, echipament mobil, acţionare hidraulică, echipament hidro-mecanic

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26-79 PLATFORMĂ RIDICĂTOARE CU ACŢIONARE HIDRAULICĂ ŞI SISTEM DE RECUPERARE A ENERGIEI

ELEVATING PLATFORM WITH HYDRAULIC DRIVING AND ENERGY RECOVERY SYSTEM
The paper presents an experimental model for an elevating platform with hydraulic driving and energy recovery system, which aims the demonstration of possibility for recovery the potential energy from the lifting mechanisms with hydraulic driving. There are presented the designing of model, conceptual schema of the experimental model and the main components and subassemblies of the model. The experimental model was used for a experimental research, when were obtained o lot of graphical results regarding the variation of the main functional parameters of the platform, but this results will be presented in future paper. They have clearly demonstrated the possibility of potential energy recovery at elevating platforms.

Keywords: energy recovery, testing, experimental research, energy efficiency, sensors and transducers, data acquisition

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26-78 ECHIPAMENT DE RIDICARE-COBORÂRE CU ACŢIONARE HIDRAULICĂ ŞI SISTEM DE RECUPERARE A ENERGIEI

HYDRAULIC LOWERING AND LIFTING EQUIPMENT WITH ENERGY RECOVERY SYSTEM
The paper presents a demonstrative model of Hydraulic lowering and lifting equipment with which aims the demonstration of possibility for potential energy recovery from the lifting mechanisms with hydraulic driving. There are presented the conceptual schema of the model, the main components and subassemblies. The experimental model was used for a experimental research, when were obtained o lot of graphical results regarding the variation of the main functional parameters of the platform, but this results will be presented in future paper. They have clearly demonstrated the possibility of potential energy recovery at elevating equipment.
Keywords: energy recovery, testing, experimental research, energy efficiency, sensors and transducers, data acquisition

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20-71 STAND PENTRU DETERMINAREA EXPERIMENTALĂ A COMPORTARII DINAMICE ÎN DOMENIUL TIMP A MOTOARELOR HIDRAULICE ROTATIVE

STAND FOR EXPERIMENTAL DETERMINING OF THE
DYNAMIC BEHAVIOR OF THE ROTATOR HYDRAULIC
ACUATORS IN TIME FIELD
The paper presents a testing stand for experimental determining of the
dynamic behavior of the rotator hydraulic actuators, in time field, as execution
elements which are finding in the composition of the hydro mechanic
equipments. There are presented the conceptual schema of the stand, the
components of the stand and, finally, there are presented some experimental
results, which contain the graphical variation of the main dynamic parameters.
Keywords: test bench, experimental research, rotary engines, dynamic
behavior, sensors and transducers, data acquisition
Cuvinte cheie: stand de testare, cercetare experimentală, motoare
hidraulice rotative, comportare dinamică, senzori şi traductoare, achiziţie date

71 STAND PENTRU DETERMINAREA EXPERIMENTALĂ A


20-72 STAND PENTRU DETERMINAREA EXPERIMENTALĂ A COMPORTĂRII DINAMICE ÎN DOMENIUL TIMP A MOTOARELOR HIDRAULICE LINIARE

STAND FOR EXPERIMENTAL DETERMINING OF THE
DYNAMIC BEHAVIOUR OF THE LINEAR HYDRAULIC
ACUATORS IN TIME FIELD
The paper presents a testing stand for experimental determining of the
dynamic behavior of the linear hydraulic actuators, in time field, as execution
elements which are finding in the composition of the hydro mechanic
equipments. There are presented the conceptual schema of the stand, the
components of the stand and, finally, there are presented some experimental
results, which contain the graphical variation of the main dynamic parameters.
Keywords: test bench, experimental research, hydraulic motors, linear,
dynamic behavior, sensors and transducers, data acquisition
Cuvinte cheie: stand de testare, cercetare experimentală, motoare
hidraulice liniare, comportare dinamică, senzori şi traductoare, achiziţie date

72 STAND PENTRU DETERMINAREA EXPERIMENTALĂ A


24-13 STAND DEMONSTRATIV PENTRU RECUPERAREA ENERGIEI CINETICE DE ROTAŢIE LA MECANISME ROTATIVE CU ACŢIONARE HIDRAULICĂ

DEMONSTRATION STAND FOR ROTATIONAL KINETIC
ENERGY RECOVERY FROM THE ROTATING MECHANISMS
WITH HYDRAULIC DRIVING
The paper presents a demonstrative stand which aims the
demonstration of possibility for rotational kinetic energy recovery from the
rotating mechanisms with hydraulic driving. There are presented the conceptual
schema of the stand, the main components of the stand and, finally, there are
presented some experimental results, which contain the graphical variation of
the main dynamic parameters, which can demonstrate the possibility to
recovery of the rotational kinetic energy from the rotating Mechanisms with
hydraulic driving from the technological equipments.
Cuvinte cheie: recuperarea energiei, stand de testare, cercetare
experimentală, eficienţă energetică, senzori şi traductoare, achiziţie date
Keywords: energy recovery, testing, experimental research, energy
efficiency, sensors and transducers, data acquisition

13 STAND DEMONSTRATIV PENTRU


22-42 STAND EXPERIMENTAL PENTRU CERCETAREA COMPORTĂRII DINAMICE A SERVOMOTOARELOR HIDRAULICE LINIARE ÎN DOMENIUL FRECVENŢIAL

The paper presents the experimental stand used for experimental
research regarding the dynamic behaviour of linear hydraulic servo-motors in
the frequency domain, developed in INOE 2000-IHP, in the framework of the
NUCLEU Program, which allows obtaining of the graphical variation of the
dynamic parameters of servo system.
Cuvinte cheie: servomotoare hidraulice liniare, comportare dinamocă,
domeniul frecvenţial, stand testare, senzori şi traductoare
Keywords: linear hydraulic servomotors, dynamic behaviour,
frequency domain, test stand, sensors and transducers

42 STAND EXPERIMENTAL PENTRU CERCETAREA


22-41 DISPOZITIV MECATRONIC DE DEPLASARE LINIARĂ CU CONTROLUL OPTOELECTRONIC AL MIŞCĂRII

In the paper is presented an experimental mechatronic device with an
optoelectronic control of movement, which was designed and manufactured in
INOE 2000-IHP Bucharest and which will be subjected on an experimental
program, in order to demonstrate its functionality and its performances and,
also, to validate the elected technical solution.

Cuvinte cheie: mecatronica, motor hidraulic liniar, control
optoelectronic, dispozitiv experimental
Keywords: Mechatronic, linear hydraulic motor, optoelectronic control,
experimental device

41 DISPOZITIV MECATRONIC DE DEPLASARE LINIARĂ