Vehicle Infotainment Sensing for Dynamic Feature Identification
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Solution Overview
Problem
Existing vehicle infotainment systems are unable to provide information about moving objects in a vehicle's environment, limiting the ability to track dynamic features like buses, trains, and airplanes.
Innovation Solution
An infotainment system equipped with internal, external, and kinematic sensor systems that identify dynamic features based on their geospatial position and orientation, using identifiers that process data from various sensors to provide information to vehicle occupants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the infotainment system uses multiple sensor systems (internal, external, and kinematic) to identify dynamic features, then the ability to detect and track moving objects is improved, but the device complexity increases
Solution Approach 1:
The system divides the sensing function into three separate sensor systems: internal sensors for cabin monitoring, external sensors for environment detection, and kinematic sensors for motion tracking. Each sensor system focuses on specific detection tasks, improving overall reliability while allowing modular integration that manages complexity through functional segmentation.
Solution Approach 2:
The infotainment system integrates multiple sensor types (cameras, microphones, GPS, accelerometers) into a unified platform that serves both traditional infotainment functions and new dynamic feature identification capabilities. This multi-functional approach allows the system to handle diverse sensing tasks without requiring completely separate systems, thereby managing complexity while enhancing detection capability.
2Measurement precision
If the identifier processes information from both kinematic sensor system and external sensor system to identify dynamic features, then the measurement precision is improved, but the loss of time increases due to processing larger data volumes
Solution Approach 1:
The system continuously collects and pre-processes data from kinematic and external sensors in the background, maintaining ready-to-use information about dynamic features. When identification is needed, the pre-processed data is immediately available, reducing processing time while maintaining high accuracy through the use of pre-analyzed multi-source information.
Solution Approach 2:
The system implements continuous feedback loops where identification results are used to adjust sensor sampling rates and processing priorities. Frequently tracked dynamic features receive sustained monitoring with optimized processing intervals, while less critical features use lower sampling rates. This feedback-driven approach maintains measurement precision for important targets while reducing overall processing time and computational load.
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 the vehicle infotainment system to effectively identify and track dynamic features, providing occupants with relevant information such as the dynamic feature's identity, location, and status, enhancing safety and convenience during travel.
Implementation Method 1
the external sensor system includes a radar system and the identifier identifies the dynamic feature based at least in part on a radar return from the dynamic feature
Implementation Method 2
the external sensor system includes a lidar system and the identifier identifies the dynamic feature based at least in part on a lidar return from the dynamic feature
Implementation Method 3
the external sensor system includes an external microphone and the identifier identifies the dynamic feature based at least in part on an acoustic signature detected by the external microphone
Data Source
AI summary
A vehicle and many dynamic features move relative to the same reference frame. An infotainment system responds to a request from an occupant of a vehicle to provide information concerning a particular dynamic feature. The occupant provides the infotainment system with information concerning a bearing to the dynamic feature and the infotainment system identifies the dynamic feature in response.