Vehicle Window Control System Proximity-Based Mode Switching
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Solution Overview
Problem
Modern vehicle power window systems lack advanced control modes that adapt to operator proximity, leading to potential collisions and reduced sensitivity in obstruction detection during unsupervised operation.
Innovation Solution
A vehicle window control system that uses a mobile device to communicate with a controller, which adjusts operation modes based on proximity, switching between supervised and unsupervised modes by altering power levels and motion rates to ensure safe and sensitive window operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the window positioning device operates in a single mode with fixed power levels, then the device complexity is reduced, but the sensitivity to obstructions and adaptability to different operating conditions deteriorates
Solution Approach 1:
The system dynamically switches between supervised and unsupervised operating modes based on the detected distance between the mobile device and the vehicle. When the mobile device is within threshold distance, the system enters supervised mode with first power levels; when beyond threshold distance, it transitions to unsupervised mode with second power levels. This dynamic adaptation resolves the contradiction by allowing the system to adjust its behavior based on real-time conditions without requiring permanently complex control circuitry for all scenarios.
Solution Approach 2:
The controller changes operational parameters (power levels to the positioning device) based on the distance parameter. In supervised mode, first power levels are applied enabling rapid window closure; in unsupervised mode, second power levels are applied with increased sensitivity to obstructions. This parameter-based control allows the system to achieve adaptability while maintaining relatively simple control logic.
2Productivity
If the window positioning device operates at high power levels for rapid closure, then the productivity is improved, but the sensitivity to obstructions and safety deteriorates
Solution Approach 1:
The system dynamically adjusts power levels based on operating mode. In supervised mode (mobile device within threshold distance), first power levels enable rapid window closure for high productivity. In unsupervised mode (mobile device beyond threshold distance), second power levels provide increased sensitivity to obstructions for enhanced safety. This dynamic power adjustment resolves the contradiction by applying high power only when safety conditions are satisfied.
Solution Approach 2:
The controller continuously monitors the distance between the mobile device and the vehicle, and adjusts power levels accordingly. The system receives feedback about operator proximity and modifies its operational characteristics (power levels) in response. This feedback mechanism allows the system to achieve both rapid closure and obstruction sensitivity by switching between power levels based on real-time conditions.
3Reliability
If the window positioning device operates in unsupervised mode with reduced power levels, then the safety and obstruction detection sensitivity are improved, but the productivity and operation speed deteriorate
Solution Approach 1:
The system transitions between operating modes based on detected conditions. When the mobile device is beyond threshold distance, the system enters unsupervised mode with second power levels that provide enhanced obstruction detection sensitivity. When the mobile device comes within threshold distance, the system switches to supervised mode with first power levels for rapid closure. This dynamic mode switching allows the system to optimize for safety when needed and for speed when conditions permit.
Solution Approach 2:
The controller changes the power level parameter applied to the positioning device based on the supervised/unsupervised mode. Second power levels are applied in unsupervised mode to enhance safety and obstruction detection, while first power levels are applied in supervised mode to maximize closure speed. This parameter change strategy resolves the contradiction by applying appropriate power levels based on operational context.
4Reliability
If the system requires constant operator presence for safe operation, then the safety is improved, but the ease of operation and user convenience deteriorate
Solution Approach 1:
The system dynamically adapts its safety characteristics based on operator proximity. When the mobile device is within threshold distance, the system operates in supervised mode with safety features optimized for operator presence. When the mobile device is beyond threshold distance, the system transitions to unsupervised mode with enhanced obstruction detection sensitivity to compensate for operator absence. This dynamic adaptation allows the system to maintain safety while enabling remote operation convenience.
Solution Approach 2:
The controller changes operational parameters (power levels and sensitivity settings) based on whether the operator is present within threshold distance. This parameter adjustment allows the system to provide enhanced safety through increased obstruction sensitivity during remote operation, while maintaining standard operation characteristics when the operator is present. This resolves the contradiction by adapting safety parameters to match the operational context.
Data Source
AI summary
A vehicle window control system is disclosed. The system comprises a window positioning device and a controller in communication with a mobile device. The controller is configured to identify a distance of the mobile device from the vehicle. In response to the distance being less than a distance threshold, the controller is configured to control the positioning device in a first mode. In response to the distance being greater than the distance threshold, the controller is configured to control the positioning device in a second mode.