Context-Aware Actuator Control for Safe Feature Activation
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Solution Overview
Problem
Electronic devices face challenges in selectively activating and deactivating actuation features based on varying usage contexts, such as movement speed and environmental conditions, which can lead to unnecessary or harmful actions like opening doors during car washes.
Innovation Solution
An electronic device uses sensor data and input devices to detect context and selectively control actuators, such as doors, wipers, and mirrors, by determining context criteria like location, speed, and scene recognition to decide whether to perform or forgo actions like opening doors or activating wipers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the electronic device activates actuators based on all sensor inputs, then the device responds comprehensively to user needs, but the device may perform harmful actions in inappropriate contexts (e.g., opening doors during car washes)
Solution Approach 1:
The system changes the operational parameters of actuators based on detected context. When a car wash context is detected, the system modifies the response parameters by suppressing door actuation despite sensor inputs, thereby adapting behavior to avoid harmful actions while maintaining other functionalities
Solution Approach 2:
The context detection system acts as an intermediary between sensor inputs and actuator outputs. This intermediate layer evaluates the operating context and mediates whether sensor inputs should trigger actuator responses, preventing harmful actions while allowing appropriate responses
2Object-affected harmful factors
If the electronic device selectively deactivates actuators in certain contexts, then harmful actions are prevented, but the device may fail to respond to legitimate user needs
Solution Approach 1:
The system dynamically changes actuator response parameters based on context detection. When legitimate user needs are detected (e.g., genuine door opening requests outside car wash contexts), the system restores normal actuator responsiveness, ensuring user convenience is maintained when appropriate
3Measurement precision
If the electronic device monitors multiple context criteria, then accurate context detection is achieved, but the system complexity increases
Solution Approach 1:
The context detection system is segmented into multiple independent sensors and evaluation modules, each responsible for specific context criteria (location, speed, environmental conditions). This segmentation allows accurate multi-parameter context detection while organizing system complexity into manageable, modular components
Data Source
AI summary
In some embodiments, an electronic device selectively activates and deactivates actuation features in accordance with the context in which an electronic device is operating. In some embodiments, an electronic device controls one or more actuators in accordance with sensor data and/or inputs received using one or more input devices.