US 2016/0253223 A1Published application

Discrete time method, system and software program for detection of oscillations in continuous data

AssigneeBAE Systems Controls Inc.

InventorChristopher M. Blain

Life of this patent

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Abstract

One embodiment of the present invention relates to a discrete time method for detection of oscillations in continuous data. Another embodiment of the present invention relates to a discrete time system for detection of oscillations in continuous data. Another embodiment of the present invention relates to a discrete time software program for detection of oscillations in continuous data.

Claims20

Dependent claims

A system for detecting an oscillation in data, the data having been generated by a sensor, the system comprising:

an input component configured to receive the data in the form of an input signal, wherein the data is received by the input component via a communication channel;
an output component configured to provide at least one output signal;
and
a processor comprising hardware, the processor being configured to implement:
(I) detecting an occurrence of a first event in the received data, wherein the detection of the first event is based upon one of:
(a) detecting a start time of the first event by detecting that a value of the data has crossed above an upper threshold;
(b) detecting a start of a first event predetermined gap time period, the start of the first event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the first event, back below the upper threshold;
and (c) detecting an end time of the first event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the first event predetermined gap time period, below a lower threshold;
or (ii) elapse of the first event predetermined gap time period;
or
(a) detecting a start time of the first event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the first event predetermined gap time period, the start of the first event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the first event, back above the lower threshold;
and (c) detecting an end time of the first event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the first event predetermined gap time period, above the upper threshold;
or (ii) elapse of the first event predetermined gap time period;
(II) recording the detected start and end times of the first event;
(III) detecting, subsequent to the detection of the first event, an occurrence of a second event in the received data, wherein the detection of the second event is based upon one of:
(a) detecting a start time of the second event by detecting that a value of the data has crossed above the upper threshold;
(b) detecting a start of a second event predetermined gap time period, the start of the second event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the second event, back below the upper threshold;
and (c) detecting an end time of the second event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the second event predetermined gap time period, below the lower threshold;
or (ii) elapse of the second event predetermined gap time period;
or
(a) detecting a start time of the second event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the second event predetermined gap time period, the start of the second event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the second event, back above the lower threshold;
and (c) detecting an end time of the second event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the second event predetermined gap time period, above the upper threshold;
or (ii) elapse of the second event predetermined gap time period;
(IV) recording the detected start and end times of the second event;
(V) detecting, subsequent to the detection of the second event, an occurrence of a third event in the received data, wherein the detection of the third event is based upon one of:
(a) detecting a start time of the third event by detecting that a value of the data has crossed above the upper threshold;
(b) detecting a start of a third event predetermined gap time period, the start of the third event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the third event, back below the upper threshold;
and (c) detecting an end time of the third event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the third event predetermined gap time period, below the lower threshold;
or (ii) elapse of the third event predetermined gap time period;
or
(a) detecting a start time of the third event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the third event predetermined gap time period, the start of the third event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the third event, back above the lower threshold;
and (c) detecting an end time of the third event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the third event predetermined gap time period, above the upper threshold;
or (ii) elapse of the third event predetermined gap time period;
(VI) recording the detected start and end times of the third event;
(VII) detecting an occurrence of an oscillation in the received data, wherein the detection of the oscillation is based upon one of:
(a) detecting that the start of the third event was triggered by detection of the value of the data having crossed above the upper threshold, detecting that the start of the second event was triggered by detection of the value of the data having crossed below the lower threshold, and detecting that the start of the first event was triggered by detection of the value of the data having crossed above the upper threshold;
or
(b) detecting that the start of the third event was triggered by detection of the value of the data having crossed below the lower threshold, detecting that the start of the second event was triggered by detection of the value of the data having crossed above the upper threshold, and detecting that the start of the first event was triggered by detection of the value of the data having crossed below the lower threshold;
and
(VIII) controlling the output component to provide the at least one output signal based upon the detected oscillation.

46 more elements

A method for detecting an oscillation in data, the data having been generated by a sensor, the method comprising:

receiving the data in the form of a signal;
detecting an occurrence of a first event in the received data, wherein the detection of the first event is based upon one of:
(a) detecting a start time of the first event by detecting that a value of the data has crossed above an upper threshold;
(b) detecting a start of a first event predetermined gap time period, the start of the first event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the first event, back below the upper threshold;
and (c) detecting an end time of the first event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the first event predetermined gap time period, below a lower threshold;
or (ii) elapse of the first event predetermined gap time period;
or
(a) detecting a start time of the first event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the first event predetermined gap time period, the start of the first event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the first event, back above the lower threshold;
and (c) detecting an end time of the first event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the first event predetermined gap time period, above the upper threshold;
or (ii) elapse of the first event predetermined gap time period;
recording the detected start and end times of the first event;
detecting, subsequent to the detection of the first event, an occurrence of a second event in the received data, wherein the detection of the second event is based upon one of:
(a) detecting a start time of the second event by detecting that a value of the data has crossed above the upper threshold;
(b) detecting a start of a second event predetermined gap time period, the start of the second event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the second event, back below the upper threshold;
and (c) detecting an end time of the second event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the second event predetermined gap time period, below the lower threshold;
or (ii) elapse of the second event predetermined gap time period;
or
(a) detecting a start time of the second event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the second event predetermined gap time period, the start of the second event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the second event, back above the lower threshold;
and (c) detecting an end time of the second event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the second event predetermined gap time period, above the upper threshold;
or (ii) elapse of the second event predetermined gap time period;
recording the detected start and end times of the second event;
detecting, subsequent to the detection of the second event, an occurrence of a third event in the received data, wherein the detection of the third event is based upon one of:
(a) detecting a start time of the third event by detecting that a value of the data has crossed above the upper threshold;
(b) detecting a start of a third event predetermined gap time period, the start of the third event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the third event, back below the upper threshold;
and (c) detecting an end time of the third event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the third event predetermined gap time period, below the lower threshold;
or (ii) elapse of the third event predetermined gap time period;
or
(a) detecting a start time of the third event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the third event predetermined gap time period, the start of the third event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the third event, back above the lower threshold;
and (c) detecting an end time of the third event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the third event predetermined gap time period, above the upper threshold;
or (ii) elapse of the third event predetermined gap time period;
recording the detected start and end times of the third event;
detecting an occurrence of an oscillation in the received data, wherein the detection of the oscillation is based upon one of:
(a) detecting that the start of the third event was triggered by detection of the value of the data having crossed above the upper threshold, detecting that the start of the second event was triggered by detection of the value of the data having crossed below the lower threshold, and detecting that the start of the first event was triggered by detection of the value of the data having crossed above the upper threshold;
or
(b) detecting that the start of the third event was triggered by detection of the value of the data having crossed below the lower threshold, detecting that the start of the second event was triggered by detection of the value of the data having crossed above the upper threshold, and detecting that the start of the first event was triggered by detection of the value of the data having crossed below the lower threshold;
and
providing an output based upon the detected oscillation.

43 more elements

A storage device readable by a processor, the storage device tangibly embodying a program of instructions executable by the processor for detecting an oscillation in data, the data having been generated by a sensor, the program of instructions, when executing, performing the following steps:

receiving the data in the form of a signal;
detecting an occurrence of a first event in the received data, wherein the detection of the first event is based upon one of:
(a) detecting a start time of the first event by detecting that a value of the data has crossed above an upper threshold;
(b) detecting a start of a first event predetermined gap time period, the start of the first event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the first event, back below the upper threshold;
and (c) detecting an end time of the first event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the first event predetermined gap time period, below a lower threshold;
or (ii) elapse of the first event predetermined gap time period;
or
(a) detecting a start time of the first event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the first event predetermined gap time period, the start of the first event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the first event, back above the lower threshold;
and (c) detecting an end time of the first event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the first event predetermined gap time period, above the upper threshold;
or (ii) elapse of the first event predetermined gap time period;
recording the detected start and end times of the first event;
detecting, subsequent to the detection of the first event, an occurrence of a second event in the received data, wherein the detection of the second event is based upon one of:
(a) detecting a start time of the second event by detecting that a value of the data has crossed above the upper threshold;
(b) detecting a start of a second event predetermined gap time period, the start of the second event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the second event, back below the upper threshold;
and (c) detecting an end time of the second event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the second event predetermined gap time period, below the lower threshold;
or (ii) elapse of the second event predetermined gap time period;
or
(a) detecting a start time of the second event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the second event predetermined gap time period, the start of the second event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the second event, back above the lower threshold;
and (c) detecting an end time of the second event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the second event predetermined gap time period, above the upper threshold;
or (ii) elapse of the second event predetermined gap time period;
recording the detected start and end times of the second event;
detecting, subsequent to the detection of the second event, an occurrence of a third event in the received data, wherein the detection of the third event is based upon one of:
(a) detecting a start time of the third event by detecting that a value of the data has crossed above the upper threshold;
(b) detecting a start of a third event predetermined gap time period, the start of the third event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the third event, back below the upper threshold;
and (c) detecting an end time of the third event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the third event predetermined gap time period, below the lower threshold;
or (ii) elapse of the third event predetermined gap time period;
or
(a) detecting a start time of the third event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the third event predetermined gap time period, the start of the third event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the third event, back above the lower threshold;
and (c) detecting an end time of the third event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the third event predetermined gap time period, above the upper threshold;
or (ii) elapse of the third event predetermined gap time period;
recording the detected start and end times of the third event;
detecting an occurrence of an oscillation in the received data, wherein the detection of the oscillation is based upon one of:
(a) detecting that the start of the third event was triggered by detection of the value of the data having crossed above the upper threshold, detecting that the start of the second event was triggered by detection of the value of the data having crossed below the lower threshold, and detecting that the start of the first event was triggered by detection of the value of the data having crossed above the upper threshold;
or
(b) detecting that the start of the third event was triggered by detection of the value of the data having crossed below the lower threshold, detecting that the start of the second event was triggered by detection of the value of the data having crossed above the upper threshold, and detecting that the start of the first event was triggered by detection of the value of the data having crossed below the lower threshold;
and
providing an output based upon the detected oscillation.

43 more elements

A method for detecting an oscillation in data, the data having been generated by a sensor, the method comprising:

receiving the data in the form of a signal;
detecting an occurrence of at least three events in the received data, wherein the detection of each event is based upon one of:
(a) detecting a start time of a given event by detecting that a value of the data has crossed above an upper threshold;
(b) detecting a start of a predetermined gap time period, the start of the predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the given event, back below the upper threshold;
and (c) detecting an end time of the given event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the predetermined gap time period, below a lower threshold;
or (ii) elapse of the predetermined gap time period;
or
(a) detecting a start time of the given event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the predetermined gap time period, the start of the predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the given event, back above the lower threshold;
and (c) detecting an end time of the given event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the predetermined gap time period, above the upper threshold;
or (ii) elapse of the predetermined gap time period;
recording the detected start and end times of each given event;
detecting an occurrence of an oscillation in the received data, wherein the detection of the oscillation is based upon one of:
(a) detecting that the start of a most recent event was triggered by detection of the value of the data having crossed above the upper threshold, detecting that the start of the second most recent event was triggered by detection of the value of the data having crossed below the lower threshold, and detecting that the start of the third most recent event was triggered by detection of the value of the data having crossed above the upper threshold;
or
(b) detecting that the start of the most recent event was triggered by detection of the value of the data having crossed below the lower threshold, detecting that the start of the second most recent event was triggered by detection of the value of the data having crossed above the upper threshold, and detecting that the start of the third most recent event was triggered by detection of the value of the data having crossed below the lower threshold.

15 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/032,670Filed 27 Aug 2015
Priority: 28 Aug 2014
Published: 1 Sep 2016
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

G06F 9/542
Interprogram communication: event management; Broadcasting; Multicasting; Notifications
G01H 1/00
Measuring characteristics of vibrations in solids by using direct conduction to the
G06F 9/4887
Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues: involving deadlines, e.g. rate based, periodic
G06F
Computing and data processing

Family

Application62/043,174Us provisional application · filed 28 Aug 2014
US 9,645,865 B2Related patent
US 2016/0253223 A1This patent

From the US filing history. Foreign family members aren’t listed.

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Abstract

A system for detecting an oscillation in data, the data having been generated by a sensor, the system comprising:

an input component configured to receive the data in the form of an input signal, wherein the data is received by the input component via a communication channel;
an output component configured to provide at least one output signal;
and
a processor comprising hardware, the processor being configured to implement:
(I) detecting an occurrence of a first event in the received data, wherein the detection of the first event is based upon one of:
(a) detecting a start time of the first event by detecting that a value of the data has crossed above an upper threshold;
(b) detecting a start of a first event predetermined gap time period, the start of the first event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the first event, back below the upper threshold;
and (c) detecting an end time of the first event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the first event predetermined gap time period, below a lower threshold;
or (ii) elapse of the first event predetermined gap time period;
or
(a) detecting a start time of the first event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the first event predetermined gap time period, the start of the first event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the first event, back above the lower threshold;
and (c) detecting an end time of the first event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the first event predetermined gap time period, above the upper threshold;
or (ii) elapse of the first event predetermined gap time period;
(II) recording the detected start and end times of the first event;
(III) detecting, subsequent to the detection of the first event, an occurrence of a second event in the received data, wherein the detection of the second event is based upon one of:
(a) detecting a start time of the second event by detecting that a value of the data has crossed above the upper threshold;
(b) detecting a start of a second event predetermined gap time period, the start of the second event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the second event, back below the upper threshold;
and (c) detecting an end time of the second event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the second event predetermined gap time period, below the lower threshold;
or (ii) elapse of the second event predetermined gap time period;
or
(a) detecting a start time of the second event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the second event predetermined gap time period, the start of the second event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the second event, back above the lower threshold;
and (c) detecting an end time of the second event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the second event predetermined gap time period, above the upper threshold;
or (ii) elapse of the second event predetermined gap time period;
(IV) recording the detected start and end times of the second event;
(V) detecting, subsequent to the detection of the second event, an occurrence of a third event in the received data, wherein the detection of the third event is based upon one of:
(a) detecting a start time of the third event by detecting that a value of the data has crossed above the upper threshold;
(b) detecting a start of a third event predetermined gap time period, the start of the third event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the third event, back below the upper threshold;
and (c) detecting an end time of the third event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the third event predetermined gap time period, below the lower threshold;
or (ii) elapse of the third event predetermined gap time period;
or
(a) detecting a start time of the third event by detecting that a value of the data has crossed below the lower threshold;
(b) detecting a start of the third event predetermined gap time period, the start of the third event predetermined gap time period being a time when a value of the data subsequently crossed, after the start time of the third event, back above the lower threshold;
and (c) detecting an end time of the third event by detecting either:
(i) that a value of the data has subsequently crossed, prior to elapse of the third event predetermined gap time period, above the upper threshold;
or (ii) elapse of the third event predetermined gap time period;
(VI) recording the detected start and end times of the third event;
(VII) detecting an occurrence of an oscillation in the received data, wherein the detection of the oscillation is based upon one of:
(a) detecting that the start of the third event was triggered by detection of the value of the data having crossed above the upper threshold, detecting that the start of the second event was triggered by detection of the value of the data having crossed below the lower threshold, and detecting that the start of the first event was triggered by detection of the value of the data having crossed above the upper threshold;
or
(b) detecting that the start of the third event was triggered by detection of the value of the data having crossed below the lower threshold, detecting that the start of the second event was triggered by detection of the value of the data having crossed above the upper threshold, and detecting that the start of the first event was triggered by detection of the value of the data having crossed below the lower threshold;
and
(VIII) controlling the output component to provide the at least one output signal based upon the detected oscillation.

46 more elements

Facts

Application

15/032,670Filed 27 Aug 2015

Priority

28 Aug 2014

Published

1 Sep 2016

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

G06F 9/542
Interprogram communication: event management; Broadcasting; Multicasting; Notifications
G01H 1/00
Measuring characteristics of vibrations in solids by using direct conduction to the
G06F 9/4887
Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues: involving deadlines, e.g. rate based, periodic
G06F
Computing and data processing