Air conditioning system operation mode switching method, air conditioning system operation mode switching device, and air conditioning system operation mode switching control program
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing air conditioning systems struggle to switch operation modes effectively in response to indoor environment changes and prediction errors, leading to uncomfortable temperatures and suboptimal energy saving performance.
Innovation Solution
An air conditioning system operation mode switching method that automatically switches between planned and normal operation modes based on indoor environment parameters, using a switching unit to determine when setting values computed by a prediction model are no longer satisfactory, thereby adjusting the operation mode to maintain comfort and energy efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the air conditioning system operates in planned operation mode based on prediction model, then energy saving performance is improved, but indoor comfort may deteriorate due to prediction errors
Solution Approach 1:
The system dynamically switches between planned operation mode and normal operation mode based on real-time evaluation of prediction accuracy. When prediction errors exceed thresholds affecting comfort, the system transitions from energy-efficient planned mode to comfort-priority normal mode, and vice versa, making the operation mode flexible rather than fixed
Solution Approach 2:
The system continuously monitors actual indoor temperature and compares it with predicted values to evaluate prediction accuracy. This feedback mechanism triggers mode switching when prediction errors become too large, ensuring that energy saving does not compromise comfort beyond acceptable limits
2Reliability
If the air conditioning system frequently switches between planned and normal operation modes, then indoor comfort is maintained, but occupant comfort deteriorates due to frequent temperature changes
Solution Approach 1:
The system evaluates prediction accuracy continuously during operation and prepares for mode switching in advance by monitoring when prediction errors approach threshold values. This allows smooth transitions rather than abrupt changes, reducing the impact on occupant comfort
Solution Approach 2:
The system implements periodic evaluation of prediction accuracy at predetermined intervals rather than continuous switching. This periodic check mechanism prevents excessive mode switching while still maintaining comfort by switching only when necessary
3Ease of operation
If the air conditioning system operates in normal operation mode for unnecessarily long periods, then occupant comfort is maintained, but energy saving performance deteriorates
Solution Approach 1:
The system continuously monitors prediction accuracy and provides feedback to the control unit. When prediction accuracy improves and becomes sufficient, the feedback triggers a switch from normal operation mode back to planned operation mode, ensuring energy efficiency is restored when conditions permit
Solution Approach 2:
The operation mode is made dynamic rather than static, allowing the system to transition from normal mode back to planned mode when prediction accuracy improves. This dynamic adjustment ensures the system spends appropriate time in each mode based on real-time conditions, optimizing both comfort and energy efficiency
Data Source
AI summary
An air conditioning system control device 10 includes: a switching unit 11 that, when a parameter relating to the indoor environment in which the air conditioning system operates does not satisfy a first condition while the air conditioning system is operating in a first operation mode that is an operation mode in which setting values computed on the basis of a prediction model are used as the setting values for the air conditioning system, switches the operation mode of the air conditioning system to a second operation mode that is an operation mode in which the computed setting values are not used as the setting values for the air conditioning system.