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Добірка наукової літератури з теми "Гідрооб'ємно-механічна трансмісія"
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Дисертації з теми "Гідрооб'ємно-механічна трансмісія"
Кожушко, Андрій Павлович. "Аналіз результатів теоретичного дослідження гідрооб'ємно-механічних трансмісій, що працюють по схемам "диференціал на вході" та "диференціал на виході" в процесі розгону". Thesis, Sp. z o.o. "Diamond trading tour", Poland, 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/42239.
Повний текст джерелаПетренко, Надія Олександрівна, та Є. Б. Соловйов. "До питання доцільності застосування гідроприводу на кранових механізмах". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2017. http://repository.kpi.kharkov.ua/handle/KhPI-Press/38703.
Повний текст джерелаШевцов, Вадим Михайлович. "Вибір і обґрунтування температурних режимів роботи гідрооб'ємно-механічної трансмісії колісного трактора". Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/38019.
Повний текст джерелаThe thesis for granting the scientific degree of Candidate of technical sciences in the specialty 05.22.02 – cars and tractors. – National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2018. The thesis is devoted to increasing the efficiency of application the tractors based on hydrovolumetric mechanical transmissions (HVMT) through the determination of influence of temperature modes on hydrovolumetric transmission (HVT) characteristics justification of parameters of cooling system in HVT. The influence on temperature of working fluid on the work of hydro system has been carried out. There have been determined the approaches in the determination of temperature modes of HVT. The parameters of cooling system of HVT have been justified. There has been developed the extended mathematical model which considers the temperature, kinematics and power modes of volumetric hydraulic gear in HVMT of the wheel tractor. There also has been developed the mathematic model as a matrix that includes the description of kinematic parameters of HVMT, power parameters and energy conversion efficiency of all gearing parts and thermal characteristics. The provided research approved the adequacy of developed mathematical model. The variation of temperature of working fluid in the working and transport gear may be described as a curve with a maximum in a special zone. There has been determined the influence of temperature on general and volumetric energy conversion efficiency for the each gear and the recommendation for choosing the cooling system that consider the redistribution of power fluids in HVMT were performed.
Шевцов, Вадим Михайлович. "Вибір і обґрунтування температурних режимів роботи гідрооб'ємно-механічної трансмісії колісного трактора". Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/38015.
Повний текст джерелаThe thesis for granting the scientific degree of Candidate of technical sciences in the specialty 05.22.02 – cars and tractors. – National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2018. The thesis is devoted to increasing the efficiency of application the tractors based on hydrovolumetric mechanical transmissions (HVMT) through the determination of influence of temperature modes on hydrovolumetric transmission (HVT) characteristics justification of parameters of cooling system in HVT. The influence on temperature of working fluid on the work of hydro system has been carried out. There have been determined the approaches in the determination of temperature modes of HVT. The parameters of cooling system of HVT have been justified. There has been developed the extended mathematical model which considers the temperature, kinematics and power modes of volumetric hydraulic gear in HVMT of the wheel tractor. There also has been developed the mathematic model as a matrix that includes the description of kinematic parameters of HVMT, power parameters and energy conversion efficiency of all gearing parts and thermal characteristics. The provided research approved the adequacy of developed mathematical model. The variation of temperature of working fluid in the working and transport gear may be described as a curve with a maximum in a special zone. There has been determined the influence of temperature on general and volumetric energy conversion efficiency for the each gear and the recommendation for choosing the cooling system that consider the redistribution of power fluids in HVMT were performed.
Бурлига, Михайло Борисович. "Розвиток методів розрахунку та вибір раціональних схем двопотокових безступінчастих гідрооб'ємно-механічних трансмісій колісних тракторів". Thesis, НТУ "ХПІ", 2017. http://repository.kpi.kharkov.ua/handle/KhPI-Press/35538.
Повний текст джерелаThesis for Scientific degree of candidate of technical sciences, specialty 05.22.02 – vehicles and tractors. National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2017. The work is devoted to solving the technical problem of development of calculation methods and choice of rational schemes of dual path hydraulic volume mechanical transmission (HVMT) wheeled tractors, which allows you to select the optimal scheme HVMT at the design stage. Actuality of work consists in the necessity of providing of competitiveness of Ukraine tractors. The analysis of work of the dual path HVMT tractors of foreign analogues is carried out. Refined mathematical model of hydrostatic axial-piston hydraulic machines as the main HVMT elements identity-based loss coefficients with the latest experimental data loss and coefficient of performance (COP). The algorithm and the computational procedure for the establishment of a oneto-one correspondence between the operating parameters and the efficiency of hydraulic drive system (HDS) losses in forward and reverse flow of power through the HDS for her work in the dual path tractor HVMT. Calculation-theoretical methodology and her programmatic realization is first worked out for determination of HDS parameters, dual path HVMT and basic technical and economic indexes of tractor-aggregate taking into account the modes of circulation of power, losses in HDS, HVMT and skidding of tractor for an analysis and prognostication of descriptions alternative tractor HVMT and scientific ground of the most rational transmission for a certain tractor. The problem of construction of universal descriptions of tractor is first set and decided with dual path HVMT. Original solution of task offers on visualization of kinematics, power and power parameters of dual path HVMT of the perspective Ukrainian tractors in all range of their operating modes as an important criterion for comparison of alternative schematics of HVMT. Universal descriptions of first in Ukraine and on post-soviet space of tractor of XTZ-21021 from stepless HVMT-1S development of NТU "KhPI" and propulsion MODULE of "XTZ" are built. Results numeral and natural experiments allow to draw conclusion, that the calculation-theoretical methodologies and constituents of them worked out in dissertation mathematical models are adequate and directed to on an increase efficiency and competitiveness of the Ukrainian tractors.
Бурлига, Михайло Борисович. "Розвиток методів розрахунку та вибір раціональних схем двопотокових безступінчастих гідрооб'ємно-механічних трансмісій колісних тракторів". Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/35536.
Повний текст джерелаThesis for Scientific degree of candidate of technical sciences, specialty 05.22.02 – vehicles and tractors. National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2017. The work is devoted to solving the technical problem of development of calculation methods and choice of rational schemes of dual path hydraulic volume mechanical transmission (HVMT) wheeled tractors, which allows you to select the optimal scheme HVMT at the design stage. Actuality of work consists in the necessity of providing of competitiveness of Ukraine tractors. The analysis of work of the dual path HVMT tractors of foreign analogues is carried out. Refined mathematical model of hydrostatic axial-piston hydraulic machines as the main HVMT elements identity-based loss coefficients with the latest experimental data loss and coefficient of performance (COP). The algorithm and the computational procedure for the establishment of a oneto-one correspondence between the operating parameters and the efficiency of hydraulic drive system (HDS) losses in forward and reverse flow of power through the HDS for her work in the dual path tractor HVMT. Calculation-theoretical methodology and her programmatic realization is first worked out for determination of HDS parameters, dual path HVMT and basic technical and economic indexes of tractor-aggregate taking into account the modes of circulation of power, losses in HDS, HVMT and skidding of tractor for an analysis and prognostication of descriptions alternative tractor HVMT and scientific ground of the most rational transmission for a certain tractor. The problem of construction of universal descriptions of tractor is first set and decided with dual path HVMT. Original solution of task offers on visualization of kinematics, power and power parameters of dual path HVMT of the perspective Ukrainian tractors in all range of their operating modes as an important criterion for comparison of alternative schematics of HVMT. Universal descriptions of first in Ukraine and on post-soviet space of tractor of XTZ-21021 from stepless HVMT-1S development of NТU "KhPI" and propulsion MODULE of "XTZ" are built. Results numeral and natural experiments allow to draw conclusion, that the calculation-theoretical methodologies and constituents of them worked out in dissertation mathematical models are adequate and directed to on an increase efficiency and competitiveness of the Ukrainian tractors.
Мітцель, Микола Олександрович. "Вплив особливих зон роботи гідропередачі на техніко-економічні показники колісних тракторів з безступінчастими гідрооб'ємно-механічними трансмісіями". Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22578.
Повний текст джерелаThe dissertation for obtaining a scientific degree of Candidate of Science (Technology) on the specialty 05.22.02 – automobiles and tractors. –National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2016. The dissertation is devoted to improving technical and economic indicators of machine-tractor units equipped input-coupled power-split hydrovolumetric mechanical transmissions by placing farming velocity in special areas of work hydrovolumetric transmission. Compiled complex mathematical model special zones of hydrovolumetric transmission that allows you to explore work processes within the special zone. The process of creation of special zones ascending for and descending regulating characteristics. The influence of the mode load and design parameters of the transmission to the width of the special zones and the overall efficiency of the transmission. The effect of time acceleration wheeled tractor a surge in the value of the operating pressure at the outlet of the special zones. Recommendations for the design of perspective schemes output coupled transmissions that will achieve maximum efficiency transmission speeds within the major energy intensive agricultural operations. Experimental studies determined the accuracy of the mathematical model of hydraulic losses in the transmission by K. Gorodetsky's mathematical model. Experimentally investigated the accuracy of the mathematical model of special zones on the laboratory stand and wheeled tractors, and found the references to perspective schemes input-coupled power-split hydrovolumetric mechanical transmissions.
Мітцель, Микола Олександрович. "Вплив особливих зон роботи гідропередачі на техніко-економічні показники колісних тракторів з безступінчастими гідрооб'ємно-механічними трансмісіями". Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22568.
Повний текст джерелаThe dissertation for obtaining a scientific degree of Candidate of Science (Technology) on the specialty 05.22.02 – automobiles and tractors. –National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2016. The dissertation is devoted to improving technical and economic indicators of machine-tractor units equipped input-coupled power-split hydrovolumetric mechanical transmissions by placing farming velocity in special areas of work hydrovolumetric transmission. Compiled complex mathematical model special zones of hydrovolumetric transmission that allows you to explore work processes within the special zone. The process of creation of special zones ascending for and descending regulating characteristics. The influence of the mode load and design parameters of the transmission to the width of the special zones and the overall efficiency of the transmission. The effect of time acceleration wheeled tractor a surge in the value of the operating pressure at the outlet of the special zones. Recommendations for the design of perspective schemes output coupled transmissions that will achieve maximum efficiency transmission speeds within the major energy intensive agricultural operations. Experimental studies determined the accuracy of the mathematical model of hydraulic losses in the transmission by K. Gorodetsky's mathematical model. Experimentally investigated the accuracy of the mathematical model of special zones on the laboratory stand and wheeled tractors, and found the references to perspective schemes input-coupled power-split hydrovolumetric mechanical transmissions.
Пелипенко, Євген Сергійович. "Підвищення ефективності гальмування колісних тракторів з безступінчастими трансмісіями шляхом вибору раціонального способу гальмування". Thesis, НТУ "ХПІ", 2017. http://repository.kpi.kharkov.ua/handle/KhPI-Press/34491.
Повний текст джерелаThe dissertation for obtaining a scientific degree of Candidate of Science (Technology) on the specialty 05.22.02 – automobiles and tractors. – National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2017. The dissertation is devoted to increasing the braking efficiency of wheeled tractors with steady hydrostatic transmission due to the method of braking, the choice of shape and duration of the change of the parameter of regulation. The complex mathematical model of the braking process to tractor KhTZ -21021 with hydrostatic transmission is made possible to model all possible methods of braking. From the existing mathematical model, the kinematic, power and energy parameters of the steady continuously variable transmission are different, as well as the description of the drum braking mechanism with the pneumatic system in the wheel tractor KhTZ-21021. On the basis of the optimization theory it is formalized that the rational change of the hydraulic control parameter for the hydrostatic transmission with the "differential on the outlet", in terms of the braking efficiency, is a curved form. At the hydrostatic transmission laboratory stand, it has been confirmed that the best braking performance during braking with the hydrostatic transmission regulation parameter (the minimum number of revolutions of the output shaft hydrostatic transmission, and, as a consequence, the minimum braking distance) is observed for curved forms of hydrostatic transmission control, regardless of the duration of the control effect.
Пелипенко, Євген Сергійович. "Підвищення ефективності гальмування колісних тракторів з безступінчастими трансмісіями шляхом вибору раціонального способу гальмування". Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/34490.
Повний текст джерелаThe dissertation for obtaining a scientific degree of Candidate of Science (Technology) on the specialty 05.22.02 – automobiles and tractors. – National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2017. The dissertation is devoted to increasing the braking efficiency of wheeled tractors with steady hydrostatic transmission due to the method of braking, the choice of shape and duration of the change of the parameter of regulation. The complex mathematical model of the braking process to tractor KhTZ -21021 with hydrostatic transmission is made possible to model all possible methods of braking. From the existing mathematical model, the kinematic, power and energy parameters of the steady continuously variable transmission are different, as well as the description of the drum braking mechanism with the pneumatic system in the wheel tractor KhTZ-21021. On the basis of the optimization theory it is formalized that the rational change of the hydraulic control parameter for the hydrostatic transmission with the "differential on the outlet", in terms of the braking efficiency, is a curved form. At the hydrostatic transmission laboratory stand, it has been confirmed that the best braking performance during braking with the hydrostatic transmission regulation parameter (the minimum number of revolutions of the output shaft hydrostatic transmission, and, as a consequence, the minimum braking distance) is observed for curved forms of hydrostatic transmission control, regardless of the duration of the control effect.