Vehicle Power Management via Dynamic Component Ordering
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Vehicles face power limitations due to high power consumption by electric components, leading to reduced battery life and potential engine starting issues, necessitating a method to manage power distribution effectively.
Innovation Solution
A vehicle system comprising a generator, battery, and body control module that calculates power availability and adjusts the operation of electric components based on usage rates, environmental conditions, and health information to optimize power usage and extend battery life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple electric components are operated to provide driver convenience and safety functions, then the driver protection and convenience are improved, but the battery power consumption increases leading to reduced battery life and potential engine starting issues
Solution Approach 1:
The system dynamically adjusts the operation order of electric components based on real-time battery power availability calculations. The body control module continuously monitors battery state and reorders component operations adaptively, transitioning from static to dynamic power management to resolve the contradiction between maintaining driver convenience and preserving battery life.
Solution Approach 2:
The system changes the operational parameters of electric components by adjusting their activation order based on calculated power availability. When power availability is insufficient, the system modifies which components operate first or are delayed, thereby controlling power consumption while maintaining essential functions.
2Duration of action of stationary object
If the system limits the operation order of electric components to conserve battery power, then battery life is extended, but driver convenience may be reduced
Solution Approach 1:
The body control module implements feedback by continuously calculating power availability based on battery state and generator output, then using this information to adjust the operation order of electric components. This closed-loop control ensures that convenience limitations are applied only when necessary, maintaining driver satisfaction while extending battery life.
Solution Approach 2:
The system performs preliminary calculation of power availability before executing component operations. By anticipating power constraints and pre-ordering component activation, the system avoids last-minute power shortages that would compromise both battery life and driver convenience.
3Device complexity
If the system uses a fixed operation order for electric components, then the control system is simple, but it cannot adapt to varying power availability conditions
Solution Approach 1:
The system transitions from a fixed, static operation order to a dynamic, adaptive ordering mechanism. The body control module continuously recalculates the optimal operation sequence based on real-time power availability, enabling the system to adapt to varying conditions without requiring excessive complexity.
Data Source
AI summary
A vehicle is provided capable of minimizing inconvenience due to power limitation. The vehicle includes a generator that generates power, a plurality of electric components that receive the power from the generator, and a battery that stores part of the power generated by the generator. A body control module calculates power availability from an amount of power generation of the generator, an amount of charge of the battery, and an amount of power consumption of the plurality of electric components, and limits the operations of the plurality of electric components in a first order when the power availability is less than predetermined reference availability.