Electronic Device Properties Control via Host-Driven Settings Optimization
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Solution Overview
Problem
Devices such as disk drives often operate at nominal factory settings without knowledge of their context within a system, leading to inefficient performance, power consumption, and noise levels, as both the device and host computer lack awareness of available settings and their impacts.
Innovation Solution
Devices publish lists of available settings and their impacts, allowing the connected computer to evaluate operating conditions and adjust settings accordingly, such as optimizing data transfer rates, noise, and power consumption based on usage scenarios like burning disks or playing movies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the device operates at nominal factory settings, then the device is simple to manufacture and operate, but the performance, power consumption, and noise levels are inefficient
Solution Approach 1:
The device automatically publishes its own control characteristics and range information to the host system without requiring user intervention. The host system autonomously evaluates operating conditions and adjusts device settings accordingly, eliminating the need for users to manually access and configure application programs while optimizing performance based on actual usage context
Solution Approach 2:
The device enables dynamic adjustment of operational parameters such as speed, data rate, and power consumption within published ranges. The host system can change these parameters based on operating conditions, allowing the device to transition between different performance states (e.g., high speed for data transfer vs. low speed for noise reduction) without manual reconfiguration
2Ease of operation
If the device publishes control characteristics and range information, then the host system can automatically optimize settings, but the device complexity increases
Solution Approach 1:
The device autonomously provides its control characteristics and operational range information to the host system through published data structures. This self-service approach eliminates the need for users to manually search for or configure settings, as the host system automatically receives and processes the device's capability information to make optimal settings decisions
Solution Approach 2:
The device pre-publishes its control characteristics, available settings, and impact information before the host system needs to configure it. This preliminary action allows the host system to evaluate operating conditions and determine optimal settings in advance without requiring real-time user intervention or complex configuration procedures
3Productivity
If the device adjusts settings dynamically based on operating conditions, then performance is optimized, but the device complexity and control mechanisms increase
Solution Approach 1:
The host system receives feedback about actual operating conditions (such as whether the device is being used for burning disks or playing movies) and uses this information to adjust device settings accordingly. The device publishes its response to these adjustments, creating a closed-loop feedback mechanism that automatically optimizes performance based on real-time usage context without requiring complex manual control
4Measurement precision
If the device provides detailed information about control ranges and impacts, then the host system can make informed settings decisions, but the amount of information and communication overhead increases
Solution Approach 1:
The device extracts and publishes only the essential control characteristics, available settings, and their impacts in a structured format that the host system can process efficiently. By taking out only the necessary information rather than providing complete operational manuals or complex configuration data, the system reduces communication overhead while maintaining sufficient detail for informed settings decisions
Data Source
AI summary
A device with controllable mechanical characteristics makes available a list of controllable characteristics for use by a controller or host computer. The list may include not only controllable characteristics but also the available range for each control, the impact of each adjustment, or both. The host computer can evaluate an operating state of the computer or electronic device and determine how best to set the device for compatible operation with the operating state. When controllable characteristics have multiple effects and/or interact with other controllable characteristics, macros may be developed to perform multiple settings as a group to achieve the desired outcome. The list may also be downloaded from a web service.