Aircraft Seat Haptic Alert System for Passenger Communication
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Solution Overview
Problem
Conventional passenger alert systems are inadequate for hearing-impaired or visually impaired individuals, as they rely on audio or visual cues that may not be effective, and lack a polite and efficient method for passengers to egress past others without disturbing them.
Innovation Solution
A haptic-based passenger alert system integrated into aircraft seats, with selectively activatable buttons that trigger vibrations and accompanying graphical alerts on a display, allowing for efficient communication in various situations, including emergencies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional audio alert systems (intercom, speaking) are used, then the system is simple and easy to operate, but hearing-impaired passengers cannot receive the alert effectively
Solution Approach 1:
The alert system is segmented into multiple independent channels: audio alerts, visual alerts, and haptic alerts. Each channel operates independently to address different passenger needs. Hearing-impaired passengers can receive visual and haptic alerts, while visually-impaired passengers can rely on audio and haptic alerts, ensuring universal accessibility.
Solution Approach 2:
The alert system is designed to serve multiple functions and multiple types of passengers through a single integrated system. The same alert trigger can activate audio, visual, and haptic outputs simultaneously or selectively, making the system universally applicable to all passenger types including hearing-impaired, visually-impaired, and attentive passengers.
2Reliability
If conventional visual alert systems are used, then the system is simple to implement, but visually-impaired or sleeping passengers cannot perceive the alert
Solution Approach 1:
The alert system is segmented into multiple independent channels: audio alerts, visual alerts, and haptic alerts. Each channel operates independently to address different passenger needs. Hearing-impaired passengers can receive visual and haptic alerts, while visually-impaired passengers can rely on audio and haptic alerts, ensuring universal accessibility.
Solution Approach 2:
The haptic mechanism acts as an intermediary that translates alert signals into tactile sensations. When visual or audio alerts are not perceived, the haptic intermediary provides alert information through seat vibrations and pressure, enabling visually-impaired or sleeping passengers to detect alerts through touch rather than sight.
3Ease of operation
If passengers use physical contact or shaking to alert others, then direct communication is achieved, but it disturbs the recipient and is impolite
Solution Approach 1:
The haptic alert system acts as an intermediary between passengers, allowing one passenger to alert another remotely through the seat mechanism. Instead of direct physical contact, the alert is transmitted through controlled haptic sensations in the recipient's seat, maintaining communication efficiency while eliminating the harmful disturbance of direct shaking or touching.
Solution Approach 2:
The manual mechanical action of shaking or touching a passenger is replaced by an automated haptic alert system. The system uses controlled vibrations and pressure applied through the seat mechanism, substituting the rough mechanical interaction of direct contact with a refined, controllable mechanical alert system that delivers the message without excessive disturbance.
4Reliability
If a haptic alert system with multiple alert types is implemented, then accessibility and reliability are improved, but the device complexity increases
Solution Approach 1:
The alert system is designed to serve multiple functions and multiple types of passengers through a single integrated system. The same alert trigger can activate audio, visual, and haptic outputs simultaneously or selectively, making the system universally applicable to all passenger types including hearing-impaired, visually-impaired, and attentive passengers.
Solution Approach 2:
Multiple alert mechanisms (audio speakers, visual displays, haptic actuators) are merged into a single integrated alert system controlled by a common controller. This consolidation allows the system to provide multi-sensory alerts while managing complexity through unified control logic and shared infrastructure.
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
The system provides effective and convenient alerts for a range of passengers, including those who are hearing or visually impaired, ensuring quick and safe communication during emergencies by using haptic sensations and visual cues that are independent of auditory or visual attention.
Implementation Method 1
a haptic mechanism configured to be selectively activated
Data Source
AI summary
A system for alerting a passenger is disclosed. The system includes an aircraft seat including a haptic mechanism, the haptic mechanism configured to be selectively activated. The system includes one or more buttons operationally coupled to the haptic mechanism. The one or more buttons are configured to be selectively operated. The one or more buttons are further configured to activate the haptic mechanism based on an operation of at least one of the one or more buttons.