2 research outputs found
Π ΠΎΠ·ΡΠΎΠ±ΠΊΠ° ΡΠ½ΡΠ²Π΅ΡΡΠ°Π»ΡΠ½ΠΎΡ ΠΌΠΎΠ΄Π΅Π»Ρ ΠΌΠ΅Ρ Π°ΡΡΠΎΠ½Π½ΠΎΡ ΡΠΈΡΡΠ΅ΠΌΠΈ Π· Π³ΡΠ΄ΡΠ°Π²Π»ΡΡΠ½ΠΈΠΌ ΠΏΡΠΈΠ²ΠΎΠ΄ΠΎΠΌ
The growing demands to performance of mechatronic systems with a hydraulic drive of movable operating elements of self-propelled machines require application of new approaches to the process of their development and design. Functional parameters of the mechatronic systems depend on a rational choice of operating modes of the hydraulic system and the design implementation of the mechatronic modules of these systems. Quality of the mechanically driven mechatronic system is largely determined by its dynamic characteristics. In order to improve dynamic characteristics, a universal model describing dynamic and static processes occurring in the elements of the mechatronic system was proposed. The pump, the hydraulic motor, the safety valve and the working fluid are considered interrelated as a single whole. The universal model takes into account peculiarities of functioning and mutual influence of all elements of the mechatronic system as well as the features of the working fluid and can be used with any hydraulic machines of a volumetric action. The study of dynamics of the changes in functional parameters of the mechanically driven mechatronic system was carried out for four stages of its operation: acceleration of the hydraulic drive (triggering of the safety valve); valve closure; completion of acceleration and steady-state operation. The conducted studies have established that when activating the hydraulic drive of the mechatronic system from the moment of the safety valve activation and to its closure, operating conditions do not affect changes in the functional parameters. In the steady-state operation, there are fluctuations caused by unevenness of the pump feed and load fluctuations. It should also be noted that the mechatronic system with a hydraulic motor having larger working volume has better dynamic characteristics than that with smaller working volume.ΠΠΎΠ·ΡΠ°ΡΡΠ°ΡΡΠΈΠ΅ ΡΡΠ΅Π±ΠΎΠ²Π°Π½ΠΈΡ ΠΊ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΠΈ ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΡΡ
ΡΠΈΡΡΠ΅ΠΌ Ρ Π³ΠΈΠ΄ΡΠ°Π²Π»ΠΈΡΠ΅ΡΠΊΠΈΠΌ ΠΏΡΠΈΠ²ΠΎΠ΄ΠΎΠΌ Π°ΠΊΡΠΈΠ²Π½ΡΡ
ΡΠ°Π±ΠΎΡΠΈΡ
ΠΎΡΠ³Π°Π½ΠΎΠ² ΡΠ°ΠΌΠΎΡ
ΠΎΠ΄Π½ΡΡ
ΠΌΠ°ΡΠΈΠ½ ΡΡΠ΅Π±ΡΡΡ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ Π½ΠΎΠ²ΡΡ
ΠΏΠΎΠ΄Ρ
ΠΎΠ΄ΠΎΠ² Π² ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΠΈΡ
ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ ΠΈ ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ. Π€ΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΡΠ΅ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΡ ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΡΡ
ΡΠΈΡΡΠ΅ΠΌ Π·Π°Π²ΠΈΡΡΡ ΠΎΡ ΡΠ°ΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ Π²ΡΠ±ΠΎΡΠ° ΡΠ΅ΠΆΠΈΠΌΠΎΠ² ΡΠ°Π±ΠΎΡΡ Π³ΠΈΠ΄ΡΠ°Π²Π»ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ ΠΈ ΠΊΠΎΠ½ΡΡΡΡΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΡΡ
ΠΌΠΎΠ΄ΡΠ»Π΅ΠΉ ΡΡΠΈΡ
ΡΠΈΡΡΠ΅ΠΌ. ΠΠ°ΡΠ΅ΡΡΠ²ΠΎ ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ Ρ Π³ΠΈΠ΄ΡΠ°Π²Π»ΠΈΡΠ΅ΡΠΊΠΈΠΌ ΠΏΡΠΈΠ²ΠΎΠ΄ΠΎΠΌ Π² Π±ΠΎΠ»ΡΡΠ΅ΠΉ ΠΌΠ΅ΡΠ΅ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ΅ΡΡΡ Π΅Π΅ Π΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠΌΠΈ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠ°ΠΌΠΈ. ΠΠ»Ρ ΡΠ»ΡΡΡΠ΅Π½ΠΈΡ Π΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΡ
Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π° ΡΠ½ΠΈΠ²Π΅ΡΡΠ°Π»ΡΠ½Π°Ρ ΠΌΠΎΠ΄Π΅Π»Ρ, ΠΎΠΏΠΈΡΡΠ²Π°ΡΡΠ°Ρ Π΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΈ ΡΡΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΏΡΠΎΡΠ΅ΡΡΡ, ΠΏΡΠΎΠΈΡΡ
ΠΎΠ΄ΡΡΠΈΠ΅ Π² ΡΠ»Π΅ΠΌΠ΅Π½ΡΠ°Ρ
ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ. ΠΠ°ΡΠΎΡ, Π³ΠΈΠ΄ΡΠΎΠΌΠΎΡΠΎΡ, ΠΏΡΠ΅Π΄ΠΎΡ
ΡΠ°Π½ΠΈΡΠ΅Π»ΡΠ½ΡΠΉ ΠΊΠ»Π°ΠΏΠ°Π½ ΠΈ ΡΠ°Π±ΠΎΡΠ°Ρ ΠΆΠΈΠ΄ΠΊΠΎΡΡΡ ΡΠ°ΡΡΠΌΠΎΡΡΠ΅Π½Ρ Π²ΠΎ Π²Π·Π°ΠΈΠΌΠΎΡΠ²ΡΠ·ΠΈ, ΠΊΠ°ΠΊ Π΅Π΄ΠΈΠ½ΠΎΠ΅ ΡΠ΅Π»ΠΎΠ΅. Π£Π½ΠΈΠ²Π΅ΡΡΠ°Π»ΡΠ½Π°Ρ ΠΌΠΎΠ΄Π΅Π»Ρ ΡΡΠΈΡΡΠ²Π°Π΅Ρ ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠΈ ΡΡΠ½ΠΊΡΠΈΠΎΠ½ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΈ Π²Π·Π°ΠΈΠΌΠ½ΠΎΠ΅ Π²Π»ΠΈΡΠ½ΠΈΠ΅ Π²ΡΠ΅Ρ
ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠ² ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ, Π° ΡΠ°ΠΊΠΆΠ΅ ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠΈ ΡΠ°Π±ΠΎΡΠ΅ΠΉ ΠΆΠΈΠ΄ΠΊΠΎΡΡΠΈ ΠΈ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½Π° Ρ Π»ΡΠ±ΡΠΌΠΈ Π³ΠΈΠ΄ΡΠΎΠΌΠ°ΡΠΈΠ½Π°ΠΌΠΈ ΠΎΠ±ΡΠ΅ΠΌΠ½ΠΎΠ³ΠΎ Π΄Π΅ΠΉΡΡΠ²ΠΈΡ. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ Π΄ΠΈΠ½Π°ΠΌΠΈΠΊΠΈ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΡΡ
ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ² ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ Ρ Π³ΠΈΠ΄ΡΠ°Π²Π»ΠΈΡΠ΅ΡΠΊΠΈΠΌ ΠΏΡΠΈΠ²ΠΎΠ΄ΠΎΠΌ ΠΎΡΡΡΠ΅ΡΡΠ²Π»ΡΠ»ΠΎΡΡ Π½Π° ΡΠ΅ΡΡΡΠ΅Ρ
ΡΡΠ°ΠΏΠ°Ρ
ΡΠ°Π±ΠΎΡΡ: ΡΠ°Π·Π³ΠΎΠ½ Π³ΠΈΠ΄ΡΠΎΠΏΡΠΈΠ²ΠΎΠ΄Π° (ΡΡΠ°Π±Π°ΡΡΠ²Π°Π½ΠΈΠ΅ ΠΏΡΠ΅Π΄ΠΎΡ
ΡΠ°Π½ΠΈΡΠ΅Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ»Π°ΠΏΠ°Π½Π°); Π·Π°ΠΊΡΡΡΠΈΠ΅ ΠΊΠ»Π°ΠΏΠ°Π½Π°; Π·Π°Π²Π΅ΡΡΠ΅Π½ΠΈΠ΅ ΡΠ°Π·Π³ΠΎΠ½Π°; ΡΡΡΠ°Π½ΠΎΠ²ΠΈΠ²ΡΠΈΠΉΡΡ ΡΠ΅ΠΆΠΈΠΌ ΡΠ°Π±ΠΎΡΡ. ΠΡΠΎΠ²Π΅Π΄Π΅Π½Π½ΡΠΌΠΈ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡΠΌΠΈ ΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ ΠΏΡΠΈ ΠΏΡΡΠΊΠ΅ Π³ΠΈΠ΄ΡΠΎΠΏΡΠΈΠ²ΠΎΠ΄Π° ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ Ρ ΠΌΠΎΠΌΠ΅Π½ΡΠ° ΡΡΠ°Π±Π°ΡΡΠ²Π°Π½ΠΈΡ ΠΏΡΠ΅Π΄ΠΎΡ
ΡΠ°Π½ΠΈΡΠ΅Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠ»Π°ΠΏΠ°Π½Π° ΠΈ Π΄ΠΎ Π΅Π³ΠΎ Π·Π°ΠΊΡΡΡΠΈΡ ΡΡΠ»ΠΎΠ²ΠΈΡ ΡΠΊΡΠΏΠ»ΡΠ°ΡΠ°ΡΠΈΠΈ Π½Π΅ Π²Π»ΠΈΡΡΡ Π½Π° ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΡΡ
ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ². ΠΡΠΈ ΡΡΡΠ°Π½ΠΎΠ²ΠΈΠ²ΡΠ΅ΠΌΡΡ ΡΠ΅ΠΆΠΈΠΌΠ΅ ΡΠ°Π±ΠΎΡΡ Π½Π°Π±Π»ΡΠ΄Π°ΡΡΡΡ ΠΏΡΠ»ΡΡΠ°ΡΠΈΠΈ, Π²ΡΠ·Π²Π°Π½Π½ΡΠ΅ Π½Π΅ΡΠ°Π²Π½ΠΎΠΌΠ΅ΡΠ½ΠΎΡΡΡΡ ΠΏΠΎΠ΄Π°ΡΠΈ Π½Π°ΡΠΎΡΠ° ΠΈ ΠΊΠΎΠ»Π΅Π±Π°Π½ΠΈΡΠΌΠΈ Π½Π°Π³ΡΡΠ·ΠΊΠΈ. Π’Π°ΠΊΠΆΠ΅ Π½Π΅ΠΎΠ±Ρ
ΠΎΠ΄ΠΈΠΌΠΎ ΠΎΡΠΌΠ΅ΡΠΈΡΡ, ΡΡΠΎ ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½Π°Ρ ΡΠΈΡΡΠ΅ΠΌΠ° Ρ Π³ΠΈΠ΄ΡΠΎΠΌΠΎΡΠΎΡΠΎΠΌ, ΠΈΠΌΠ΅ΡΡΠΈΠΌ Π±ΠΎΠ»ΡΡΠΈΠΉ ΡΠ°Π±ΠΎΡΠΈΠΉ ΠΎΠ±ΡΠ΅ΠΌ, ΠΈΠΌΠ΅Π΅Ρ Π»ΡΡΡΠΈΠ΅ Π΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠ΅ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠΈ, ΡΠ΅ΠΌ ΡΠΈΡΡΠ΅ΠΌΠ° Ρ Π³ΠΈΠ΄ΡΠΎΠΌΠΎΡΠΎΡΠΎΠΌ ΠΌΠ΅Π½ΡΡΠ΅Π³ΠΎ ΠΎΠ±ΡΠ΅ΠΌΠ°ΠΡΠΎΡΡΠ°ΡΡΡ Π²ΠΈΠΌΠΎΠ³ΠΈ Π΄ΠΎ ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΈΡ
ΡΠΈΡΡΠ΅ΠΌ Π· Π³ΡΠ΄ΡΠ°Π²Π»ΡΡΠ½ΠΈΠΌ ΠΏΡΠΈΠ²ΠΎΠ΄ΠΎΠΌ Π°ΠΊΡΠΈΠ²Π½ΠΈΡ
ΡΠΎΠ±ΠΎΡΠΈΡ
ΠΎΡΠ³Π°Π½ΡΠ² ΡΠ°ΠΌΠΎΡ
ΡΠ΄Π½ΠΈΡ
ΠΌΠ°ΡΠΈΠ½ Π²ΠΈΠΌΠ°Π³Π°ΡΡΡ Π·Π°ΡΡΠΎΡΡΠ²Π°Π½Π½Ρ Π½ΠΎΠ²ΠΈΡ
ΠΏΡΠ΄Ρ
ΠΎΠ΄ΡΠ² Π² ΠΏΡΠΎΡΠ΅ΡΡ ΡΠΎΠ·ΡΠΎΠ±ΠΊΠΈ ΡΠ° ΠΏΡΠΎΠ΅ΠΊΡΡΠ²Π°Π½Π½Ρ. Π€ΡΠ½ΠΊΡΡΠΎΠ½Π°Π»ΡΠ½Ρ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΈ ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΈΡ
ΡΠΈΡΡΠ΅ΠΌ Π·Π°Π»Π΅ΠΆΠ°ΡΡ Π²ΡΠ΄ ΡΠ°ΡΡΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ Π²ΠΈΠ±ΠΎΡΡ ΡΠ΅ΠΆΠΈΠΌΡΠ² ΡΠΎΠ±ΠΎΡΠΈ Π³ΡΠ΄ΡΠ°Π²Π»ΡΡΠ½ΠΎΡ ΡΠΈΡΡΠ΅ΠΌΠΈ ΡΠ° ΠΊΠΎΠ½ΡΡΡΡΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ Π²ΠΈΠΊΠΎΠ½Π°Π½Π½Ρ ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΈΡ
ΠΌΠΎΠ΄ΡΠ»ΡΠ² ΡΠΈΡ
ΡΠΈΡΡΠ΅ΠΌ. Π―ΠΊΡΡΡΡ ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΎΡ ΡΠΈΡΡΠ΅ΠΌΠΈ Π· Π³ΡΠ΄ΡΠ°Π²Π»ΡΡΠ½ΠΈΠΌ ΠΏΡΠΈΠ²ΠΎΠ΄ΠΎΠΌ Π² Π±ΡΠ»ΡΡΡΠΉ ΠΌΡΡΡ Π²ΠΈΠ·Π½Π°ΡΠ°ΡΡΡΡΡ Π΄ΠΈΠ½Π°ΠΌΡΡΠ½ΠΈΠΌΠΈ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠ°ΠΌΠΈ. ΠΠ»Ρ ΠΏΠΎΠ»ΡΠΏΡΠ΅Π½Π½Ρ Π΄ΠΈΠ½Π°ΠΌΡΡΠ½ΠΈΡ
Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ Π·Π°ΠΏΡΠΎΠΏΠΎΠ½ΠΎΠ²Π°Π½Π° ΡΠ½ΡΠ²Π΅ΡΡΠ°Π»ΡΠ½Π° ΠΌΠΎΠ΄Π΅Π»Ρ, ΡΠΊΠ° ΠΎΠΏΠΈΡΡΡ Π΄ΠΈΠ½Π°ΠΌΡΡΠ½Ρ Ρ ΡΡΠ°ΡΠΈΡΠ½Ρ ΠΏΡΠΎΡΠ΅ΡΠΈ, ΡΠΎ Π²ΡΠ΄Π±ΡΠ²Π°ΡΡΡΡΡ Π² Π΅Π»Π΅ΠΌΠ΅Π½ΡΠ°Ρ
ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΎΡ ΡΠΈΡΡΠ΅ΠΌΠΈ. ΠΠ°ΡΠΎΡ, Π³ΡΠ΄ΡΠΎΠΌΠΎΡΠΎΡ, Π·Π°ΠΏΠΎΠ±ΡΠΆΠ½ΠΈΠΉ ΠΊΠ»Π°ΠΏΠ°Π½ ΡΠ° ΡΠΎΠ±ΠΎΡΠ° ΡΡΠ΄ΠΈΠ½Π° ΡΠΎΠ·Π³Π»ΡΠ½ΡΡΡ Ρ Π²Π·Π°ΡΠΌΠΎΠ·Π²'ΡΠ·ΠΊΡ, ΡΠΊ ΡΠ΄ΠΈΠ½Π΅ ΡΡΠ»Π΅. Π£Π½ΡΠ²Π΅ΡΡΠ°Π»ΡΠ½Π° ΠΌΠΎΠ΄Π΅Π»Ρ Π²ΡΠ°Ρ
ΠΎΠ²ΡΡ ΠΎΡΠΎΠ±Π»ΠΈΠ²ΠΎΡΡΡ ΡΡΠ½ΠΊΡΡΠΎΠ½ΡΠ²Π°Π½Π½Ρ Ρ Π²Π·Π°ΡΠΌΠ½ΠΈΠΉ Π²ΠΏΠ»ΠΈΠ² Π²ΡΡΡ
Π΅Π»Π΅ΠΌΠ΅Π½ΡΡΠ² ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΎΡ ΡΠΈΡΡΠ΅ΠΌΠΈ, Π° ΡΠ°ΠΊΠΎΠΆ ΠΎΡΠΎΠ±Π»ΠΈΠ²ΠΎΡΡΡ ΡΠΎΠ±ΠΎΡΠΎΡ ΡΡΠ΄ΠΈΠ½ΠΈ ΡΠ° ΠΌΠΎΠΆΠ΅ Π±ΡΡΠΈ Π²ΠΈΠΊΠΎΡΠΈΡΡΠ°Π½Π° Π· Π±ΡΠ΄Ρ-ΡΠΊΠΈΠΌΠΈ Π³ΡΠ΄ΡΠΎΠΌΠ°ΡΠΈΠ½Π°ΠΌΠΈ ΠΎΠ±'ΡΠΌΠ½ΠΎΡ Π΄ΡΡ. ΠΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π½Ρ Π΄ΠΈΠ½Π°ΠΌΡΠΊΠΈ Π·ΠΌΡΠ½ΠΈ ΡΡΠ½ΠΊΡΡΠΎΠ½Π°Π»ΡΠ½ΠΈΡ
ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΡΠ² ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΎΡ ΡΠΈΡΡΠ΅ΠΌΠΈ Π· Π³ΡΠ΄ΡΠ°Π²Π»ΡΡΠ½ΠΈΠΌ ΠΏΡΠΈΠ²ΠΎΠ΄ΠΎΠΌ Π·Π΄ΡΠΉΡΠ½ΡΠ²Π°Π»ΠΎΡΡ Π½Π° ΡΠΎΡΠΈΡΡΠΎΡ
Π΅ΡΠ°ΠΏΠ°Ρ
ΡΠΎΠ±ΠΎΡΠΈ: ΡΠΎΠ·Π³ΡΠ½ Π³ΡΠ΄ΡΠΎΠΏΡΠΈΠ²ΠΎΠ΄Ρ (ΡΠΏΡΠ°ΡΡΠ²Π°Π½Π½Ρ Π·Π°ΠΏΠΎΠ±ΡΠΆΠ½ΠΎΠ³ΠΎ ΠΊΠ»Π°ΠΏΠ°Π½Π°); Π·Π°ΠΊΡΠΈΡΡΡ ΠΊΠ»Π°ΠΏΠ°Π½Π°; Π·Π°Π²Π΅ΡΡΠ΅Π½Π½Ρ ΡΠΎΠ·Π³ΠΎΠ½Ρ; ΡΡΠ°Π»ΠΈΠΉ ΡΠ΅ΠΆΠΈΠΌ ΡΠΎΠ±ΠΎΡΠΈ. ΠΡΠΎΠ²Π΅Π΄Π΅Π½ΠΈΠΌΠΈ Π΄ΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½Π½ΡΠΌΠΈ Π²ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΠΎ ΠΏΡΠΈ ΠΏΡΡΠΊΡ Π³ΡΠ΄ΡΠΎΠΏΡΠΈΠ²ΠΎΠ΄Ρ ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½ΠΎΡ ΡΠΈΡΡΠ΅ΠΌΠΈ Π· ΠΌΠΎΠΌΠ΅Π½ΡΡ ΡΠΏΡΠ°ΡΡΠΎΠ²ΡΠ²Π°Π½Π½Ρ Π·Π°ΠΏΠΎΠ±ΡΠΆΠ½ΠΎΠ³ΠΎ ΠΊΠ»Π°ΠΏΠ°Π½Π° Ρ Π΄ΠΎ ΠΉΠΎΠ³ΠΎ Π·Π°ΠΊΡΠΈΡΡΡ ΡΠΌΠΎΠ²ΠΈ Π΅ΠΊΡΠΏΠ»ΡΠ°ΡΠ°ΡΡΡ Π½Π΅ Π²ΠΏΠ»ΠΈΠ²Π°ΡΡΡ Π½Π° Π·ΠΌΡΠ½Ρ ΡΡΠ½ΠΊΡΡΠΎΠ½Π°Π»ΡΠ½ΠΈΡ
ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΡΠ². ΠΡΠΈ ΡΡΠ°Π»ΠΎΠΌΡ ΡΠ΅ΠΆΠΈΠΌΡ ΡΠΎΠ±ΠΎΡΠΈ ΡΠΏΠΎΡΡΠ΅ΡΡΠ³Π°ΡΡΡΡΡ ΠΏΡΠ»ΡΡΠ°ΡΡΡ, Π²ΠΈΠΊΠ»ΠΈΠΊΠ°Π½Ρ Π½Π΅ΡΡΠ²Π½ΠΎΠΌΡΡΠ½ΡΡΡΡ ΠΏΠΎΠ΄Π°ΡΡ Π½Π°ΡΠΎΡΠ° Ρ ΠΊΠΎΠ»ΠΈΠ²Π°Π½Π½ΡΠΌΠΈ Π½Π°Π²Π°Π½ΡΠ°ΠΆΠ΅Π½Π½Ρ. Π’Π°ΠΊΠΎΠΆ Π½Π΅ΠΎΠ±Ρ
ΡΠ΄Π½ΠΎ Π²ΡΠ΄Π·Π½Π°ΡΠΈΡΠΈ, ΡΠΎ ΠΌΠ΅Ρ
Π°ΡΡΠΎΠ½Π½Π° ΡΠΈΡΡΠ΅ΠΌΠ° Π· Π³ΡΠ΄ΡΠΎΠΌΠΎΡΠΎΡΠΎΠΌ, ΡΠΊΠΈΠΉ ΠΌΠ°Ρ Π±ΡΠ»ΡΡΠΈΠΉ ΡΠΎΠ±ΠΎΡΠΈΠΉ ΠΎΠ±'ΡΠΌ, ΠΌΠ°Ρ ΠΊΡΠ°ΡΡ Π΄ΠΈΠ½Π°ΠΌΡΡΠ½Ρ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊΠΈ, Π½ΡΠΆ ΡΠΈΡΡΠ΅ΠΌΠ° Π· Π³ΡΠ΄ΡΠΎΠΌΠΎΡΠΎΡΠΎΠΌ ΠΌΠ΅Π½ΡΠΎΠ³ΠΎ ΠΎΠ±'ΡΠΌ
Development of the Universal Model of Mechatronic System with a Hydraulic Drive
The growing demands to performance of mechatronic systems with a hydraulic drive of movable operating elements of self-propelled machines require application of new approaches to the process of their development and design. Functional parameters of the mechatronic systems depend on a rational choice of operating modes of the hydraulic system and the design implementation of the mechatronic modules of these systems. Quality of the mechanically driven mechatronic system is largely determined by its dynamic characteristics. In order to improve dynamic characteristics, a universal model describing dynamic and static processes occurring in the elements of the mechatronic system was proposed. The pump, the hydraulic motor, the safety valve and the working fluid are considered interrelated as a single whole. The universal model takes into account peculiarities of functioning and mutual influence of all elements of the mechatronic system as well as the features of the working fluid and can be used with any hydraulic machines of a volumetric action. The study of dynamics of the changes in functional parameters of the mechanically driven mechatronic system was carried out for four stages of its operation: acceleration of the hydraulic drive (triggering of the safety valve); valve closure; completion of acceleration and steady-state operation. The conducted studies have established that when activating the hydraulic drive of the mechatronic system from the moment of the safety valve activation and to its closure, operating conditions do not affect changes in the functional parameters. In the steady-state operation, there are fluctuations caused by unevenness of the pump feed and load fluctuations. It should also be noted that the mechatronic system with a hydraulic motor having larger working volume has better dynamic characteristics than that with smaller working volume