Wearable IMU Access Control for Gesture-Based Entry
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Solution Overview
Problem
Current access control systems using wearables are time-consuming and require users to manually interact with their devices, such as smartphones, to gain entry, which can be frustrating and inefficient.
Innovation Solution
A seamless access control system that utilizes a wearable mobile device with an inertial measurement unit (IMU) sensor system to detect inherent gestures, such as lifting a hand or decelerating a walk, to automatically control access assemblies, eliminating the need for manual device interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional badge or smartphone-based access control systems are used, then access authentication can be achieved, but users must manually retrieve and interact with their devices, which is time-consuming and frustrating
Solution Approach 1:
The system enables self-service access control by automatically detecting user presence and intent through IMU sensors without requiring manual device interaction. The wearable device autonomously performs authentication by detecting inherent gestures such as hand lifting or decelerating walk patterns, eliminating the need for users to manually retrieve or operate their devices for access control.
Solution Approach 2:
The system performs preliminary authentication actions by continuously monitoring user movements and gestures before actual access is needed. The IMU sensor system detects inherent gestures that indicate access intent in advance, allowing the system to prepare for authentication and grant access more quickly when the user reaches the access point.
2Reliability
If manual device interaction is required for access control, then security authentication can be performed, but the process becomes complex and user-friendly operation is reduced
Solution Approach 1:
The system replaces manual mechanical interaction with devices (swiping badges, holding smartphones) with automated gesture detection using IMU sensors. The inertial measurement unit detects subtle body movements and gestures that inherently indicate access intent, substituting complex manual device operations with natural, effortless human movements that are automatically recognized and processed.
3Productivity
If current wearable access systems are implemented, then contactless access is achieved, but users must still perform specific actions with their devices which reduces efficiency
Solution Approach 1:
The system extracts the authentication function from manual device operations and embeds it within the user's natural body movements. By using IMU sensors to detect inherent gestures such as hand lifting or walking deceleration, the system removes the need for users to perform specific device actions, leaving only the natural gesture component while eliminating unnecessary device interaction 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 efficient and seamless access control by allowing users to gain entry without physically interacting with their devices, reducing time consumption and enhancing user experience.
Implementation Method 1
an inertial measurement unit (IMU) sensor system configured to detect a performed inherent gesture performed by the user
Data Source
AI summary
A seamless access control system includes a local access assembly, a wearable mobile device, a storage medium, and a processor. The assembly is adapted to operate between access and no-access states, and includes a controller to effect actuation between the states, and a signal transceiver. The wearable mobile device is worn by a user, and includes an inertial measurement unit (IMU) sensor system configured to detect a performed inherent gesture performed by the user, and being at least a portion of a user exercise to gain entry. The storage medium and the processor are configured to receive the performed inherent gesture and execute an application to compare the performed inherent gesture to the preprogrammed inherent gesture, and thereby conditionally output a command signal to the local access assembly via the transceiver to effect actuation between states, and prior to completion of the user exercise to gain entry.