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Drive control system for work machine
A drive control system for a work machine. A gradual stoppage command and an operation speed limitation command are calculated and output. A pilot pressure is corrected such that, upon a stoppage operation of a control lever, a drive actuator is stopped gradually; and the pilot pressure is corrected such that an operation speed of the drive actuator is limited. A supply of the pilot hydraulic fluid to the speed increasing unit is interrupted when a failure of a speed increasing solenoid proportional valve of the speed increasing unit is detected.
Drive control system for work machine
A drive control system for a work machine. A gradual stoppage command and an operation speed limitation command are calculated and output. A pilot pressure is corrected such that, upon a stoppage operation of a control lever, a drive actuator is stopped gradually; and the pilot pressure is corrected such that an operation speed of the drive actuator is limited. A supply of the pilot hydraulic fluid to the speed increasing unit is interrupted when a failure of a speed increasing solenoid proportional valve of the speed increasing unit is detected.
Drive control system for work machine
MIZUOCHI MARIKO (author) / ISHII AKINORI (author) / HANAKAWA KAZUYOSHI (author)
2018-08-07
Patent
Electronic Resource
English
IPC:
G06F
ELECTRIC DIGITAL DATA PROCESSING
,
Elektrische digitale Datenverarbeitung
/
E02F
Baggern
,
DREDGING
/
G01M
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES
,
Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen
/
G05B
Steuer- oder Regelsysteme allgemein
,
CONTROL OR REGULATING SYSTEMS IN GENERAL
/
G05D
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
,
Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen
/
G06G
Analogrechner
,
ANALOGUE COMPUTERS
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