Battery Management Unit Detects Desktop Power Use Behavior
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Solution Overview
Problem
Portable information handling systems, such as notebook computers, experience accelerated battery degradation when operated continuously on external AC power, leading to shorter battery life and the need for frequent replacements, as well as missed opportunities for battery recalibration.
Innovation Solution
Implementing systems and methods that monitor power usage parameters to detect desktop power use behavior in battery-powered systems, allowing for alerts or automatic actions to correct the behavior, such as running a battery learning procedure, without requiring additional hardware or changes to the system BIOS.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If the portable information handling system operates continuously on external AC power, then the system can function as a desktop computer with extended operation time, but the battery cells experience accelerated degradation and shortened battery life
Solution Approach 1:
The system performs preliminary actions by detecting desktop power use behavior patterns and proactively initiating battery learning procedures or user alerts before significant battery degradation occurs. The battery management unit monitors power usage parameters and predicts when battery health may be compromised, taking preventive action to maintain battery reliability.
2Duration of action of stationary object
If the system operates on external AC power for extended periods, then desktop functionality is maintained, but opportunities for battery recalibration are lost
Solution Approach 1:
The battery management unit implements a feedback mechanism that continuously monitors power usage parameters and detects when the system has been operating on external power for extended periods. Based on this feedback, the system automatically initiates battery learning procedures or alerts the user to perform recalibration, ensuring accurate battery capacity measurement despite extended AC operation.
3Reliability
If additional hardware or BIOS changes are implemented to detect and correct desktop power use behavior, then battery health can be maintained, but system complexity and cost increase
Solution Approach 1:
The battery management unit leverages existing system resources and self-service capabilities to detect desktop power use behavior and initiate corrective actions. The system uses already-present processing devices and memory to monitor power parameters, detect behavioral patterns, and execute learning procedures without requiring additional hardware components or BIOS modifications.
Data Source
AI summary
Desktop power use behavior may be detected while a portable information handling system or any other type of battery powered information handling system is operating on external power such as an AC adapter. The desktop power use behavior may be detected by monitoring one or more power usage parameters to detect usage characteristics that indicate a battery powered information handling system is being operated in a manner that is similar to operation of a desktop information handling system. Upon detection of desktop behavior, one or more processing devices of the information handling system may respond by taking one or more desktop use response actions.