EV Thermal Compensation System for Battery Range Optimization
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Solution Overview
Problem
The adoption of all-electric vehicles is hindered by the perception of limited range due to variations in electrical energy storage devices, which can lead to thermal issues exacerbated by ambient temperatures, causing reduced performance and unpredictable range, especially in densely populated urban areas with limited financial resources.
Innovation Solution
An electrical energy storage device thermal compensation system using thermal sensors and a controller to adjust power consumption of vehicular systems based on thermal profiles, prioritizing critical systems to maintain optimal temperature and extend range, allowing vehicles to reach recharging or replacement locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If electrical energy storage devices are used to power electric vehicles, then emissions are reduced and fuel economy is improved, but thermal issues arise especially in high ambient temperatures causing reduced performance and unpredictable range
Solution Approach 1:
The system performs preliminary thermal profiling of the electrical energy storage device by monitoring temperatures at multiple locations and determining thermal characteristics before they lead to performance degradation. This advance detection allows the control system to prepare appropriate power allocation strategies to prevent thermal issues from affecting vehicle range and performance
Solution Approach 2:
The system continuously monitors thermal conditions at multiple locations within the electrical energy storage device and uses this feedback to dynamically adjust power allocation to various vehicular systems. The control system modifies power distribution based on real-time thermal profiles to maintain optimal operating temperatures and ensure predictable vehicle range
2Adaptability or versatility
If power is allocated to multiple vehicular systems, then vehicle functionality is enhanced, but thermal issues in the electrical energy storage device worsen reducing range
Solution Approach 1:
The system applies partial action by selectively allocating power to critical vehicular systems while reducing or eliminating power to non-critical systems when thermal conditions indicate risk. The control system determines which systems are essential for safe operation and maintains power to those while limiting power to other systems, thereby preserving operational range while maintaining necessary functionality
Solution Approach 2:
The system changes operational parameters by dynamically adjusting power allocation levels based on thermal profiles. The control system modifies power consumption parameters of various vehicular systems in response to thermal conditions, transforming the static power distribution into a dynamic parameter that adapts to thermal state to optimize both functionality and range
3Measurement precision
If thermal sensors are deployed throughout the electrical energy storage device, then thermal monitoring precision is improved, but device complexity increases
Solution Approach 1:
The system applies segmentation by dividing the electrical energy storage device into multiple monitoring zones with thermal sensors positioned at specific locations. This segmented approach allows precise thermal profiling of different regions while maintaining manageable system complexity through structured sensor placement and zoned monitoring
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
This solution enhances the range and reliability of electric vehicles by managing thermal conditions within electrical energy storage devices, ensuring adequate power delivery and extending the operational range by optimizing power allocation to critical systems.
Implementation Method 1
determine a thermal profile of an electrical energy storage device based on temperatures at a plurality of locations within the electrical energy storage device
Data Source
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AI summary
Electric vehicles such as scooters are reliant upon one or more electrical energy storage devices to not only provide motive power but also power some or all vehicular systems. An electrical energy storage device can be equipped with a number of thermal sensors that provide data indicative of overall and/or localized electrical energy storage device temperature(s) to a controller. In order to maintain the electrical energy storage device in a desired thermal operating range or profile, the controller can selectively alter or control the power distributed or allocated to one or more vehicular systems. Such alteration or control of power allocation may be performed by the controller based upon an assessed degree of vehicular system criticality.