Bed with pressure and force sensors
A support platform supports a mattress. The support platform includes legs. Force sensors are coupled to the legs or to the support platform. The force sensors are configured to sense a force applied to each leg or support platform. A controller is configured to receive at least one force stream from at least one of the force sensors. The at least one force stream represents a force sensed by the force sensor. The controller is configured to, in responses to receiving the at least one force stream, determine a sleep parameter from the following group of sleep parameters: bed presence, weight, heart rate, respiration rate, and motions. The controller is configured to output at least one or more of those parameters to an end user.
1. A bed system comprising:
a mattress;
a first sensor configured to sense a first parameter;
a support platform supporting the mattress, the support platform comprising a plurality of legs;
a plurality of force sensors, each of the plurality of force sensors configured to sense a force applied to one of the plurality of legs; and
a controller configured to:
receive a first data stream from the first sensor, the first data stream representing the first parameter sensed by the first sensor;
receive at least one force stream from at least one of the plurality of force sensors, the at least one force stream representing a force sensed by the force sensor;
create a comparison parameter based on a comparison of the force stream and the first data stream; and
determine whether to send an instruction to drive a controllable device based on a comparison of the comparison parameter to a threshold.
2. The bed system of claim 1 , wherein the controller is configured to send the instruction responsive to determining that the comparison parameter is greater than the threshold.
3. The bed system of claim 1 , wherein the first sensor is a different type of sensor than the force sensors.
4. The bed system of claim 1 , wherein the first parameter is pressure at the mattress.
5. The bed system of claim 1 , wherein the controller is further configured to:
determine an identity of a first user occupying the mattress.
6. The bed system of claim 5 , wherein the controller is further configured to:
determine an identity of a second user occupying the mattress in addition to the first user.
7. The bed system of claim 1 , wherein the controller is further configured to execute a home automation rule.
8. The bed system of claim 1 , wherein the controller is further configured to determine which side of the mattress is being occupied by a user.
9. The bed system of claim 1 , wherein the controller is further configured to:
join the first data stream from the first sensor and the force stream of the plurality of force sensors to create a joined stream; and
generate a sleep parameter of a user based on the joined stream.
10. The bed system of claim 9 , wherein the sleeping parameter comprises restlessness of the user.
11. The bed system of claim 1 , wherein the instruction to drive the controllable device comprises an instruction to adjust a firmness of the mattress.
12. The bed system of claim 1 , wherein the controller is configured to adjust a temperature of the mattress.
13. The bed system of claim 1 , wherein the instruction to drive the controllable device comprises an instruction to generate an audio alert.
14. The bed system of claim 1 wherein the instruction to drive the controllable device comprises an instruction to initiate a data collection process.
15. A method comprising:
monitoring a pressure at a bed;
monitoring a set of force sensors mounted to a set of legs on the bed;
generate a comparison parameter based on a comparison of the pressure to data from the set of force sensors; and
sending an instruction to drive a controllable device based on the comparison parameter.
16. The method of claim 15 , the method further comprising determining a weight of a user via the set of force sensors.
17. The method of claim 15 , the method further comprising identifying multiple users of different weights via the set of force sensors.
18. A bed system comprising:
a mattress;
a pressure sensor configured to sense pressure at the mattress;
a force sensor configured to sense a force applied to the bed system; and
a controller in data communication with the pressure sensor and the force sensor and configured to:
receive the sensed pressure from the pressure sensor;
receive the sensed force from the force sensor;
generate a comparison parameter based on a comparison of the sensed force and the sensed pressure; and
determine whether to send an instruction to drive a controllable device based on a comparison of the comparison parameter to a threshold.
19. The bed system of claim 18 , wherein the controller is in data communication with the force sensor via a data processing system.
20. The bed system of claim 19 , wherein the data processing system includes:
an amplifier; and
an analog-to-digital converter.