Geofenced Vehicle Speed Limiter with Dynamic Override
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Solution Overview
Problem
Existing vehicle speed limiters do not effectively adjust top speed and dynamics in response to ambient conditions and geofenced areas, potentially leading to undesirable driving experiences due to unawareness of operators about current speed and road conditions, especially in areas with high population density or adverse weather.
Innovation Solution
Implementing a system that adjusts vehicle top speed and dynamics based on geofenced locations, visibility, traction, and ambient conditions using onboard sensors and wireless communication, allowing for dynamic changes in speed and vehicle settings to enhance comfort, handling, and stability, while also enabling override requests from qualified operators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a speed limiter is active at all times to decrease vehicle top speed, then safety and comfort are improved, but the operator's ability to achieve unadulterated top speed is reduced
Solution Approach 1:
The speed limiter transitions from a static always-active state to a dynamic state that adapts based on ambient conditions. The system automatically adjusts between limited and unlimited speed modes depending on detected conditions such as road type, weather, and location, eliminating the need for manual operator intervention while maintaining safety.
Solution Approach 2:
The system incorporates sensors and communication systems that continuously monitor ambient conditions and provide feedback to the speed limiter control. This feedback loop enables the system to automatically determine when to activate or deactivate the speed limiter based on real-time environmental data, resolving the contradiction between safety and operator flexibility.
2Speed
If the operator is provided with override capability to achieve unadulterated top speed, then performance is improved, but the operator may be unaware of ambient conditions affecting drivability
Solution Approach 1:
The system performs the function of monitoring ambient conditions and managing speed limitation automatically without requiring operator awareness or intervention. The vehicle's control system serves itself by detecting conditions through sensors and autonomously adjusting speed limits, eliminating the information gap between the operator and ambient conditions.
3Reliability
If vehicle top speed is decreased in geofenced areas with high population density, then safety is improved, but the operator's travelling experience is degraded
Solution Approach 1:
The speed limiter dynamically adjusts based on geographic location and ambient conditions rather than applying a fixed limitation. The system automatically provides full performance when conditions are favorable and applies limitations only when necessary, creating an adaptive travelling experience that maintains safety without unnecessary degradation of performance.
Data Source
AI summary
Methods and systems are provided for a vehicle speed limiter. In one example, a method may include decreasing a vehicle top speed in response to the vehicle being arranged in a geofenced area via the vehicle speed limiter. In at least one example, adjusting a magnitude of the vehicle top speed limiter to decrease a limiting of the vehicle top speed may be in response to an override request, where the override request is signaled via one or more of depression of a pedal of the vehicle in a pattern and a siren of the vehicle being activated. Further, in one or more examples, the vehicle may be the only vehicle of a plurality of vehicles comprising one or more of a solar cell and a wireless modem.