Monitoring system for a feeding bottle
A monitoring system is provided for a feeding bottle, in particular a feeding bottle for feeding milk to a baby. Motion of the feeding bottle is sensed during feeding and a sucking performance is determined from the motion characteristics, in particular to identify whether the feeding is based on suckling or sucking.
1 . A monitoring system for a feeding bottle, the monitoring system comprising:
at least one three-axis motion sensor for sensing motion of the feeding bottle during feeding, and generating motion sensor signals indicating the sensed motion, the motion sensor signals comprising linear acceleration signals and angular velocity signals corresponding to three axes, respectively; and
a processor for determining in real-time from the motion sensor signals whether the feeding is based on sucking or suckling, and outputting sucking performance information indicating whether the feeding is based on the sucking or suckling; and
an output interface for enabling display of the sucking performance information identifying whether the feeding is based on the sucking or suckling to enable monitoring of drinking performance.
2 . The monitoring system as claimed in claim 1 , wherein the sucking performance information identifies a progression stage between the suckling and sucking.
3 . The monitoring system as claimed in claim 1 , wherein the at least one three-axis motion sensor comprises a three-axis accelerometer and/or a three-axis gyroscope.
4 . The monitoring system as claimed in claim 1 , wherein the output interface comprises a wireless transmitter for sending the sucking performance information to a remote device for presentation to a user.
5 . The monitoring system as claimed in claim 1 , wherein the processor determining whether the feeding is based on the sucking or suckling comprises:
converting time-domain motion sensor signals into a-frequency domain motion sensor signals;
performing spectral density analysis on the frequency domain motion sensor signals resulting in power spectra;
determining signal powers in a frequency range corresponding to a sucking frequency from the power spectra; and
analyzing the signal powers to identify sucking performance.
6 . The monitoring system as claimed in claim 1 , wherein the processor determining whether the feeding is based on the sucking or suckling comprises:
performing a detection of peaks of time-domain motion sensor signals;
deriving features of the detected peaks; and
analyzing the features to identify sucking performance.
7 . The monitoring system as claimed in claim 1 , wherein the monitoring system is arranged as a sleeve for mounting around the feeding bottle.
8 . A feeding bottle system, comprising:
the feeding bottle; and
the monitoring system as claimed in claim 1 for monitoring sucking performance during feeding from the feeding bottle.
9 . The monitoring system as claimed in claim 2 , wherein the sucking performance information identifies the progression stage between the suckling and sucking by providing an analog value a range between first and second extremes, wherein the first extreme represents the sucking and the second extreme represents the suckling.
10 . A method for monitoring sucking performance during feeding from a feeding bottle, the method comprising:
sensing motion of the feeding bottle during feeding using at least one three-axis motion sensor to generate motion sensing signals;
generating motion sensor signals indicating the sensed motion, the motion sensor signals comprising linear acceleration signals and angular velocity signals corresponding to three axes, respectively;
determining in real-time, from the motion sensing signals, whether the feeding is based on suckling or sucking; and
displaying sucking performance information indicating whether the feeding is based on the suckling or sucking; and
monitoring of drinking performance based on the sucking performance information.
11 . The method as claimed in claim 10 , wherein the sucking performance information identifies a progression stage between the suckling and sucking.
12 . The method as claimed in claim 10 , wherein the at least one three-axis motion sensor comprises three-axis accelerometer and/or a three-axis gyroscope.
13 . The method as claimed in claim 10 , wherein determining whether the feeding is based on the sucking or suckling comprises:
converting time-domain motion sensor signals into a frequency domain signal;
performing spectral density analysis on the frequency domain signal resulting in power spectra;
determining signal powers in a frequency range corresponding to a sucking frequency from the power spectra; and
analyzing the signal powers to identify sucking performance.
14 . The method as claimed in claim 10 , wherein determining whether the feeding is based on the sucking or suckling comprises:
performing detection of peaks of time-domain motion sensor signals;
deriving features of the detected peaks; and
analyzing the features to identify sucking performance.
15 . A non-transitory computer readable medium storing instructions for monitoring sucking performance during feeding from a feeding bottle that, when run on a computer, cause the computer to:
receive motion sensing signals from at least one three-axis motion sensor indicating sensed motion of the feeding bottle during feeding;
generate motion sensor signals indicating the sensed motion, the motion sensor signals comprising linear acceleration signals and angular velocity signals corresponding to three axes, respectively;
determine in real-time, from the motion sensing signals, whether the feeding is based on suckling or sucking; and
output sucking performance information for display indicating whether the feeding is based on the suckling or sucking to enable monitoring of drinking performance.
16 . The non-transitory computer readable medium as claimed in claim 15 , wherein the sucking performance information identifies a progression stage between the suckling and sucking.
17 . The non-transitory computer readable medium as claimed in claim 15 , wherein the at least one three-axis motion sensor comprises a three-axis accelerometer and/or a three-axis gyroscope.
18 . The non-transitory computer readable medium as claimed in claim 15 , wherein the instructions cause the computer to output the sucking performance information to a remote device via a wireless transmitter for presentation to a user.
19 . The non-transitory computer readable medium as claimed in claim 15 , wherein the instructions cause the computer to determine whether the feeding is based on the sucking or suckling by:
converting time-domain motion sensor signals into frequency domain motion sensor signals;
performing spectral density analysis on the frequency domain motion sensor signals resulting in power spectra;
determining signal powers in a frequency range corresponding to a sucking frequency from the power spectra; and
analyzing the signal powers to identify sucking performance.
20 . The non-transitory computer readable medium as claimed in claim 15 , wherein the instructions cause the computer to determine whether the feeding is based on the sucking or suckling by:
performing a detection of peaks of time-domain motion sensor signals;
deriving features of the detected peaks; and
analyzing the features to identify sucking performance.