Sequence initiation for placing a smart bed in an out-of-bed state
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Solution Overview
Problem
Smart beds lack the ability to automatically initiate a sequence of functions upon detecting the presence and subsequent removal of individuals from the sleep surface, failing to provide a seamless transition to an out-of-bed state, which can lead to inefficient energy usage and lack of personalized settings.
Innovation Solution
A smart bed system equipped with sensors and a processor that detect the presence and movement of individuals, initiating a programmed out-of-bed sequence by controlling mattress functions such as firmness, temperature, and lighting, and communicating with portable devices to customize the transition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If smart beds remain inactive until manually activated, then energy consumption is reduced, but user convenience and seamless transition to out-of-bed state are compromised
Solution Approach 1:
The system performs preliminary actions by detecting individual presence and preparing out-of-bed functions in advance. Sensors monitor the sleep surface continuously, and when an individual is detected, the system proactively initiates the out-of-bed sequence including adjusting mattress firmness, temperature, and lighting before the user actually needs to exit the bed, creating a seamless transition experience
Solution Approach 2:
The smart bed system serves itself by automatically detecting presence through sensors and autonomously initiating the out-of-bed sequence without requiring manual user activation. The processor coordinates multiple functions (mattress adjustment, lighting, temperature control) automatically based on sensor data, eliminating the need for user intervention while optimizing energy usage through conditional activation
2Measurement precision
If smart beds continuously monitor for presence, then automatic detection accuracy is improved, but energy consumption increases
Solution Approach 1:
The system employs periodic monitoring rather than continuous operation. Sensors are activated at strategic intervals to detect presence and movement patterns, with the processor evaluating sensor data periodically to determine when to initiate the out-of-bed sequence. This periodic approach maintains adequate detection accuracy while significantly reducing energy consumption compared to continuous monitoring
Solution Approach 2:
The system uses feedback from sensor data to intelligently control monitoring intensity. When no presence is detected, monitoring operates at a lower energy state. When sensors detect movement or presence patterns consistent with waking, the system increases monitoring intensity and initiates the out-of-bed sequence, optimizing the balance between detection accuracy and energy consumption through adaptive feedback control
3Reliability
If multiple sensors are deployed to detect presence and movement, then detection reliability is improved, but device complexity increases
Solution Approach 1:
The detection system is segmented into multiple independent sensor units positioned at different locations on the mattress. Each sensor independently monitors specific zones (head, middle, foot of bed), and the processor integrates data from these segmented sensors to determine overall presence and movement patterns. This segmentation improves detection reliability through distributed sensing while keeping individual sensor units simple and manageable
Solution Approach 2:
The sensor array and processor are designed with multi-functionality to handle various detection tasks using the same hardware components. The same sensors detect both presence and movement patterns, and the processor performs multiple functions including data integration, pattern recognition, and control signal generation. This universality improves detection reliability without proportionally increasing device complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables a seamless transition to an out-of-bed state, optimizing energy usage and personalizing settings based on individual presence and movement, enhancing user experience and comfort.
Implementation Method 1
The sensor may be capable of detecting motion or another activity (e.g., proximity, the application of pressure, etc.) to a surrounding area of the sleep surface
Implementation Method 2
The sensor may be capable of detecting motion or another activity (e.g., proximity, the application of pressure, etc.)
Implementation Method 3
an air bladder and a pump that communicates with an interior of the air bladder to pressurize the air bladder
Data Source
AI summary
A smart bed automatically initiates an out-of-bed sequence upon detecting the presence of an individual in a sleeping position on a sleep surface of the smart bed. Such a smart bed may include a mattress that defines the sleep surface, at least one sensor associated with the sleep surface, and a processor that communicates with the at least one sensor and controls one or more functions of the mattress. Initiation of the out-of-bed sequence may include initiating one or more functions of the smart bed and, optionally, one or more functions of an environment within which the smart bed is located.