Temperature-Based Read Count Weight Reset in Storage Memory
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Solution Overview
Problem
Storage devices face reliability issues when operating in high or low temperature environments, leading to potential failures in meeting performance standards.
Innovation Solution
Incorporation of temperature sensors to measure the memory and controller temperatures, with a controller determining a weight reset condition based on these measurements to adjust the read count for data operations, ensuring reliability across varying temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the storage device operates in high or low temperature environments, then the device can be used in various environments, but the likelihood of failing to meet requirements increases
Solution Approach 1:
The patent implements dynamic adjustment of the weight value based on real-time temperature measurements. The controller modifies the weight parameter dynamically according to temperature conditions (high, low, or normal ranges), allowing the system to adapt its behavior to environmental changes while maintaining reliable operation across different temperature zones
Solution Approach 2:
The patent employs temperature feedback mechanisms where temperature sensors continuously monitor the operational temperature, and the controller uses this feedback information to adjust the weight value. This closed-loop feedback system ensures that the storage device maintains optimal performance and reliability by responding to temperature variations in real-time
2Device complexity
If the weight for read count increase is fixed, then the device structure is simple, but the reliability in extreme temperature environments deteriorates
Solution Approach 1:
The patent transitions from a fixed weight parameter to a dynamic weight parameter that changes based on temperature conditions. The controller adjusts the weight value according to whether the temperature is in a high, low, or normal range, enabling the system to maintain reliability across different thermal environments without requiring complex hardware modifications
Solution Approach 2:
The patent changes the parameter value (weight) based on temperature conditions. By modifying the weight parameter according to temperature ranges (high, low, normal), the system optimizes its performance characteristics for different environmental conditions while maintaining relatively simple hardware architecture
Data Source
AI summary
A storage device includes a memory, a controller, a first temperature sensor and a second temperature sensor. The storage device determines whether a preset weight reset condition is satisfied, based on at least one of the temperature of the memory measured from the first temperature sensor and the temperature of the controller measured from the second temperature sensor, and resets a weight for an increase in read count for data when it is determined that the weight reset condition is satisfied.