Signal processing device, signal processing method, information processing program and recording medium
AssigneeOMRON Corporation
InventorsZiqiang XU, Katsufumi YOSHIDA
Life of this patent
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Abstract
The invention relates to a signal processing device, a signal processing method, an information processing program and a recording medium, which removes wide-range frequency noise. In a signal processing device (10), a cycle of acquiring a signal from a sensor is a data acquisition cycle, which is shorter than a cycle of forwarding time sequence data from which noise is removed to a controller, that is, a forwarding cycle.
Claims9
A signal processing device, processing a signal from a sensor and forwarding the signal to a control device, wherein the signal processing device comprises:
- an acquisition element that acquires the signal from the sensor with a specified data acquisition cycle, thereby generating time sequence data;
- a noise removal element that removes frequency noise from the time sequence data;
- and
- a forwarding element that periodically forwards the time sequence data, from which the frequency noise is removed via the noise removal element, to the control device with a specified forwarding cycle,
- the data acquisition cycle is shorter than the forwarding cycle.
A signal processing method, processing a signal from a sensor and forwarding the signal to a control device, wherein the signal processing method comprises:
- an acquisition step of acquiring the signal from the sensor with a specified data acquisition cycle, thereby generating time sequence data;
- a noise removal step of removing frequency noise from the time sequence data;
- and
- a forwarding step of periodically forwarding the time sequence data, from which the frequency noise is removed via the noise removal step, to the control device with a specified forwarding cycle,
- the data acquisition cycle is shorter than the forwarding cycle.
Dependencies are inferred from the claim text.