A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A shutter controller includes a tunable filter arrangement 20, having a tunable passband, configured to filter a signal derived at least in part from an electric motor 10. The electric motor is for driving a moveable shutter and the signal comprises pulses that have a variable frequency and are derived from the operation of a commutator of the electric motor. The controller also includes control circuitry 30 configured to: determine at least one electrical parameter associated with the electric motor; set the tunable passband based, at least in part, on the at least one electrical parameter; determine pulses in the signal passing through the tunable filter arrangement; and determine a position of the moveable shutter based on the determined pulses. The motor may be a DC motor and the tunable filter may be a fixed frequency high pass filter, configured to attenuate mains ripple in the signal. Also claimed is an associated method and computer program.
A shutter controller includes a tunable filter arrangement 20, having a tunable passband, configured to filter a signal derived at least in part from an electric motor 10. The electric motor is for driving a moveable shutter and the signal comprises pulses that have a variable frequency and are derived from the operation of a commutator of the electric motor. The controller also includes control circuitry 30 configured to: determine at least one electrical parameter associated with the electric motor; set the tunable passband based, at least in part, on the at least one electrical parameter; determine pulses in the signal passing through the tunable filter arrangement; and determine a position of the moveable shutter based on the determined pulses. The motor may be a DC motor and the tunable filter may be a fixed frequency high pass filter, configured to attenuate mains ripple in the signal. Also claimed is an associated method and computer program.
Shutter control
BRUCE STANLEY GUNTON (author)
2018-07-25
Patent
Electronic Resource
English
IPC:
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
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| European Patent Office | 2023