Optimized drying cycle across a pair of laundry appliances
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Solution Overview
Problem
The existing laundry appliances face inefficiencies in moisture extraction during spin and dry cycles, leading to extended total drying times due to diminishing returns over time, making the process less effective.
Innovation Solution
A method is introduced where a pair of laundry appliances, including a washing machine and a dryer, determine and utilize moisture extraction curves to optimize the spin and dry cycles by synchronizing the basket rotation speed based on the curves, ensuring efficient moisture removal by ending the spin cycle when the extraction rate matches that of the dryer, thereby reducing overall drying time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the spin cycle is extended to extract more moisture, then moisture extraction increases, but total drying time increases
Solution Approach 1:
The system performs preliminary analysis of moisture extraction curves for both the washing machine spin cycle and dryer before executing the drying process. By determining these curves in advance, the system can calculate the optimal spin cycle duration that maximizes moisture extraction efficiency while minimizing total drying time, avoiding the need for extended spin cycles that yield diminishing returns
Solution Approach 2:
The system dynamically adjusts the spin cycle parameters based on real-time moisture extraction rate monitoring. By continuously measuring the moisture extraction rate and comparing it against the dryer's extraction rate, the system can adaptively determine when to terminate the spin cycle, optimizing the balance between moisture extraction and total drying time
2Quantity of substance
If the spin cycle duration is increased, then more moisture is removed, but moisture extraction rate decreases over time
Solution Approach 1:
The system implements continuous feedback monitoring of the moisture extraction rate during the spin cycle. By measuring the extraction rate in real-time and comparing it to the predetermined curve and dryer capability, the system can determine the optimal termination point where the spin cycle's extraction rate equals the dryer's extraction rate, preventing operation in the diminishing returns phase
Solution Approach 2:
The system changes the operational parameters of the spin cycle based on the determined moisture extraction curve. By adjusting the spin cycle duration and speed according to the calculated optimal parameters, the system maximizes moisture extraction efficiency while avoiding the phase where extraction rate significantly decreases
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
This approach significantly reduces the total drying time by about one-third, optimizing the combined moisture extraction process across both appliances, making it more efficient and effective.
Implementation Method 1
rotating a basket of the washing machine appliance at an extraction speed
Implementation Method 2
drying operations... a dry cycle in the dryer appliance
Data Source
AI summary
A method of operating a pair of laundry appliances is provided. The pair of laundry appliances includes a washing machine appliance and a dryer appliance. The method includes determining a first moisture extraction curve of a spin cycle of the washing machine appliance and determining a second moisture extraction curve of the dryer appliance. The method further includes rotating a basket of the washing machine appliance at an extraction speed for a predetermined period of time. The predetermined period of time is based on the first moisture extraction curve and the second moisture extraction curve.