Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
HYDRAULIC ACTUATOR FOR EXCAVATION WORK MACHINE
Provided is a hydraulic drive apparatus capable of controlling the movement of a boom with high accuracy according to the movement of an arm to make the construction surface by a bucket closer to a target construction surface. The hydraulic drive apparatus includes a boom flow rate control valve, a target boom cylinder speed calculation part calculating a target boom cylinder speed for making the construction surface by the bucket closer to the target construction surface based on the cylinder speed of the boom cylinder and the like, and a boom flow rate operation part. The boom flow rate operation part operates the boom flow rate control valve so as to make the boom cylinder supply flow rate be a target supply flow rate corresponding to the target boom cylinder speed when the direction of the target boom cylinder speed coincides with the direction of the cylinder thrust, and operates the boom flow rate control valve so as to make the boom cylinder discharge flow rate be a target discharge flow rate corresponding to the target boom cylinder speed when the direction of the target boom cylinder speed is opposite to the direction of the cylinder thrust.
HYDRAULIC ACTUATOR FOR EXCAVATION WORK MACHINE
Provided is a hydraulic drive apparatus capable of controlling the movement of a boom with high accuracy according to the movement of an arm to make the construction surface by a bucket closer to a target construction surface. The hydraulic drive apparatus includes a boom flow rate control valve, a target boom cylinder speed calculation part calculating a target boom cylinder speed for making the construction surface by the bucket closer to the target construction surface based on the cylinder speed of the boom cylinder and the like, and a boom flow rate operation part. The boom flow rate operation part operates the boom flow rate control valve so as to make the boom cylinder supply flow rate be a target supply flow rate corresponding to the target boom cylinder speed when the direction of the target boom cylinder speed coincides with the direction of the cylinder thrust, and operates the boom flow rate control valve so as to make the boom cylinder discharge flow rate be a target discharge flow rate corresponding to the target boom cylinder speed when the direction of the target boom cylinder speed is opposite to the direction of the cylinder thrust.
HYDRAULIC ACTUATOR FOR EXCAVATION WORK MACHINE
HYDRAULISCHER AKTUATOR FÜR AUSHUBMASCHINE
ACTIONNEUR HYDRAULIQUE POUR MACHINE DE TRAVAIL D'EXCAVATION
MAEKAWA SATOSHI (Autor:in) / NOGI TOSHIHIRO (Autor:in) / FUJIWARA SHO (Autor:in)
13.10.2021
Patent
Elektronische Ressource
Englisch