SOLENOID VALVE CONTROL APPARATUS AND CONTROL METHOD OF SOLENOID VALVE

A solenoid valve control apparatus includes a basic electric current value set portion configured to set a basic electric current value every first cycle, a dither electric current value set portion configured to set a dither electric current value of which a cycle corresponds to a dither cycle, a t...

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Bibliographische Detailangaben
Hauptverfasser:	UCHIYAMA, Yoshinobu, SHIMATANI, Kazuyoshi, MINATO, Hiroshi
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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Beschreibung
Zusammenfassung:	A solenoid valve control apparatus includes a basic electric current value set portion configured to set a basic electric current value every first cycle, a dither electric current value set portion configured to set a dither electric current value of which a cycle corresponds to a dither cycle, a target electric current value set portion configured to set a target electric current value, an electric current detection portion configured to detect an actual electric current value, a duty ratio set portion configured to set a duty ratio every second cycle which is longer than the dither cycle, and a PWM control portion configured to perform PWM control on the solenoid on the basis of the duty ratio.