Memory Temperature Control Using Busy-State Cooling Logic
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Solution Overview
Problem
Existing temperature control mechanisms in electronic devices, such as memory devices, often lead to unstable access performance and insufficient cooling due to repeated activation and deactivation of cooling procedures, especially when the device is busy and then becomes idle, causing temperature fluctuations.
Innovation Solution
A method where a host system detects the busy status of a memory device and its temperature, initiating a cool down procedure when the device is busy and above a threshold, and stopping it when not busy and below another threshold, ensuring efficient temperature management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cool down procedure is activated based on preset temperature thresholds only, then the temperature control mechanism is simple to implement, but the memory device experiences repeated activation and deactivation of cooling procedures leading to unstable access performance and insufficient cooling
Solution Approach 1:
The patent implements a feedback mechanism where the host system continuously monitors the memory device's temperature and adjusts the cool down procedure accordingly. The host system receives temperature information from the memory device and dynamically controls the activation and deactivation of cooling procedures based on real-time temperature data and device status, preventing repeated unnecessary activation while ensuring adequate cooling when needed.
Solution Approach 2:
The host system acts as an intermediary between the memory device and the temperature control mechanism. Instead of the memory device autonomously controlling its own cooling based on simple thresholds, the host system mediates the control process by receiving temperature data, determining whether cooling is necessary based on both temperature and device status, and then instructing the memory device to perform appropriate cooling procedures.
2Temperature
If the cool down procedure is frequently activated to maintain temperature below threshold, then the temperature control effectiveness is improved, but the access performance becomes unstable and productivity decreases
Solution Approach 1:
The patent applies dynamics by making the cool down procedure activation dynamic rather than static. The system considers the real-time operational status of the memory device (busy or idle) in conjunction with temperature data to dynamically determine whether to activate cooling. This prevents unnecessary cooling activation during busy periods when performance stability is critical, while still providing effective cooling when the device is idle and temperature exceeds thresholds.
Solution Approach 2:
The system changes the control parameters from simple temperature threshold comparison to a composite decision-making process that includes both temperature data and device operational status. By introducing status-based parameter changes, the system intelligently adjusts cooling activation criteria, avoiding performance degradation during busy periods while maintaining effective temperature control during idle periods.
3Ease of manufacture
If the preset cool down method is used regardless of device status, then the implementation is straightforward, but the cooling effectiveness is insufficient when the device transitions between busy and idle states
Solution Approach 1:
The system implements feedback by having the memory device report its temperature data to the host system, which then uses this feedback to make informed decisions about cooling activation. The continuous temperature monitoring and status reporting create a closed-loop control system that adapts to changing device conditions, ensuring cooling effectiveness without sacrificing implementation simplicity.
Data Source
AI summary
A temperature control method and a data storage system are disclosed. The method includes: detecting whether a memory device is in a busy status; detecting whether a temperature of the memory device is higher than a first threshold value; instructing the memory device to perform a cool down procedure in response to that the memory device is in the busy status and the temperature of the memory device is higher than the first threshold value; and instructing the memory device to stop the cool down procedure in response to that the memory device is not in the busy status and the temperature of the memory device is lower than a second threshold value.