Dynamic Thermal Management for Information Handling Systems
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Solution Overview
Problem
Information handling systems often operate at elevated temperatures, leading to uncomfortable skin temperatures when not in use, due to increased component utilization, which can exceed safe and comfortable limits for user interaction.
Innovation Solution
An embedded controller and background processes in the information handling system monitor user interaction to adjust power levels and thermal management, reducing the skin temperature by configuring processor power usage and fan speeds based on user presence and activity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the processor operates at high power levels to maximize system performance, then productivity is improved, but the skin temperature of the chassis exceeds comfortable limits for user interaction
Solution Approach 1:
The system dynamically adjusts processor power levels and cooling fan speeds based on real-time detection of user presence and interaction state. The embedded controller monitors HID device usage and transitions the system between performance modes (e.g., from high-performance to thermal-comfort mode) to maintain optimal balance between productivity and user comfort.
Solution Approach 2:
The embedded controller continuously monitors user interaction through HID devices and provides feedback to the operating system and processor. This feedback loop enables the system to detect when the user is physically interacting with the device and automatically adjust power consumption and cooling accordingly, ensuring skin temperature remains within comfortable limits during interaction.
2Temperature
If the system reduces power consumption to lower skin temperature, then temperature comfort is improved, but system performance decreases
Solution Approach 1:
The system implements dynamic power management that adjusts processor performance levels based on the detected user interaction state. When no user interaction is detected, the system operates at high power levels for maximum performance. When user presence is detected through HID monitoring, the system transitions to reduced power modes that maintain acceptable skin temperatures while preserving necessary functionality.
Solution Approach 2:
The system changes operational parameters (processor frequency, voltage, fan speed) based on the detected user interaction state. The embedded controller triggers performance profile changes that adjust multiple system parameters simultaneously, allowing the system to switch between performance-optimized and thermal-comfort configurations as needed.
Data Source
AI summary
In one or more embodiments, one or more systems, one or more methods, and/or one or more processes may determine an identification of an application executing on an information handling system (IHS); determine a first performance profile based at least on a policy and based at least on the identification of the application; configure a processor to utilize power up to a first power level based at least on the first performance profile; determine that a user physically utilizes at least one human input device of the IHS within an amount of time transpiring; receive information indicating that the user is physically in contact with the IHS; determine a second performance profile based at least on the policy and based at least on the information; and configure the processor to utilize power up to a second power level based at least on the second performance profile.