Circuit arrangement for controlling seat comfort systems, seat, and method for controlling a seat comfort system

A circuit arrangement controls a system for a seat comfort function with at least one air cushion, at least one actuator with at least one adjusting element and at least one SMA element being movable between a first position and a second position. The circuit arrangement includes at least one driver...

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Bibliographische Detailangaben
Hauptverfasser:	Dörfler, Erich, Mitzler, Matthias
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOTOTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISEPROVIDED FOR OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PRODUCING MECHANICAL POWER SEATS SPECIALLY ADAPTED FOR VEHICLES SPRING, WEIGHT, INERTIA OR LIKE MOTORS TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	A circuit arrangement controls a system for a seat comfort function with at least one air cushion, at least one actuator with at least one adjusting element and at least one SMA element being movable between a first position and a second position. The circuit arrangement includes at least one driver unit with at least one driver to activate the actuator with the at least one SMA element; at least one temperature sensor; and a control unit to control the driver unit, the control unit being configured to generate a control signal to control the driver unit. The control signal is determined from a) at least one actual filling level parameter; b) a temperature signal from the temperature sensor; c) a system parameter; and d) at least one of a target filling level parameter and a target filling level change parameter. A related seat and method of controlling same are also disclosed.