Startup Thermal Policy Modes for Adaptive Fan and Workload Control

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Solution Overview

Problem

Information handling systems face challenges in effectively managing thermal conditions, as existing technologies lack customizable thermal management solutions that cater to varying user preferences and workload demands, leading to inefficient cooling and performance.

Innovation Solution

An information handling system with a mode controller that utilizes a policy during startup, allowing for customization through manual, intelligent, and historical data modes to adjust fan speed and workload, thereby optimizing thermal management based on user preferences and detected platform events.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fixed thermal management policy is used during system startup, then the system can operate with a simple control mechanism, but it cannot adapt to varying user preferences and workload demands, leading to inefficient cooling and performance

Engineering Contradiction:
Improvethermal management adaptabilityVSAvoidcontrol mechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements dynamic thermal management by allowing the system to switch between multiple policies (performance-oriented, cooling-oriented, balanced) based on real-time conditions and user preferences. The mode controller dynamically adjusts fan speeds and workload distribution across processors, transforming a static policy into an adaptive system that responds to changing thermal and performance requirements

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes operational parameters by offering different customization modes (manual, intelligent, historical data) that modify how thermal policies are applied. Each mode changes the parameters of control differently: manual mode allows direct user input, intelligent mode uses real-time sensing, and historical mode relies on past data, providing versatility without requiring complete system redesign

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If manual customization mode is used, then user control over thermal management is maximized, but the system requires more user input and configuration time

Engineering Contradiction:
Improveuser control capabilityVSAvoidconfiguration time
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The system performs preliminary actions by pre-configuring multiple thermal management policies and modes during system initialization. Users can select from pre-defined performance-oriented, cooling-oriented, and balanced policies without having to manually configure each parameter from scratch, reducing configuration time while maintaining user control

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The intelligent customization mode implements self-service by automatically sensing platform events, thermal conditions, and workload characteristics to adjust fan speeds and workload distribution without requiring continuous user input. The system serves itself by making real-time thermal management decisions based on embedded sensors and algorithms

Inventive Principle:
Principle #25Self-service

3Extent of automation

If intelligent customization mode is used, then the system can automatically adjust to platform events and thermal conditions, but it requires complex sensing and control algorithms

Engineering Contradiction:
Improvethermal management automationVSAvoidsensing and control complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The intelligent customization mode implements feedback mechanisms by continuously monitoring platform events, thermal sensors, and workload characteristics. The mode controller uses this feedback to automatically adjust fan speeds and workload distribution, creating a closed-loop control system that responds to real-time conditions without requiring complex external intervention

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system segments the thermal management control into distinct functional modules: policy selection, mode control, fan speed control, and workload distribution. This segmentation allows the intelligent mode to handle automation complexity in isolated modules rather than requiring the entire system to be redesigned, making the complex functionality more manageable and maintainable

Inventive Principle:
Principle #1Segmentation

4Productivity

If historical data mode is used, then the system can optimize performance based on past thermal patterns, but it requires data storage and analysis capabilities

Engineering Contradiction:
Improveperformance optimizationVSAvoiddata storage and analysis complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The historical data mode performs preliminary actions by collecting and storing thermal management data during system operation. This historical data is accumulated in advance and can be analyzed later to optimize performance patterns, allowing the system to learn from past behavior without requiring complex real-time analysis infrastructure

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system uses copying by replicating successful thermal management patterns from historical data. Instead of analyzing every possible scenario in real-time, the system copies proven effective configurations from past operations and applies them to similar current conditions, reducing the complexity of real-time data analysis while maintaining performance optimization

Inventive Principle:
Principle #26Copying

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

The system provides enhanced thermal management by dynamically adjusting fan speeds and workloads, improving cooling efficiency, acoustic sound levels, and performance, thereby meeting user expectations and optimizing system operation.

Implementation Method 1

a fan operable to cool the processor

Methodology Applied
Scientific EffectForced Convection: Forced Convection

Data Source

PatentUS11188130B2Method and apparatus for thermal management using different customization modes
Publication Date: 2021.11.30 DELL PROD LP
  • US11188130B2 patent drawing
  • US11188130B2 patent drawing
  • US11188130B2 patent drawing

AI summary

An information handling system having improved thermal management includes a policy that is used by a basic input output system during a system startup. A mode controller customizes the policy by adjusting fan speed and/or workload. The customization utilizes a manual mode, an intelligent mode, or a historical data mode.