Power Supply Device Optimizing Conversion Efficiency via Predictive Control
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Solution Overview
Problem
Existing power supply devices face challenges in optimizing conversion efficiency and reducing power loss during the conversion from DC to AC power, as existing feedback methods struggle to accurately control conversion efficiency in response to load operation status.
Innovation Solution
A power supply device that utilizes new power prediction information to associate past power prediction and output information, determining specific output power information and adjusting conversion efficiency by controlling the power supply conversion unit based on a reference value derived from this information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a feedback method is used to detect output power and control conversion efficiency, then power conversion efficiency can be optimized, but it is difficult to follow load operation status in real-time and reduce power loss sufficiently
Solution Approach 1:
The patent applies preliminary action by predicting future power consumption based on historical data and operational patterns before the actual load change occurs. The prediction unit forecasts power consumption at future time points, allowing the power supply device to proactively adjust conversion efficiency settings in advance, rather than waiting for feedback from actual output power measurements.
Solution Approach 2:
The patent implements dynamics by continuously updating the prediction model with actual power consumption data and adjusting conversion efficiency dynamically based on predicted future states. The system transitions from static feedback control to dynamic predictive control, where conversion efficiency is adjusted in real-time according to forecasted load requirements rather than historical feedback alone.
2Productivity
If conversion efficiency is controlled based on output power feedback, then power conversion efficiency can be adjusted, but it is difficult to accurately follow load operation status and optimize efficiency at optimal timing
Solution Approach 1:
The prediction unit performs preliminary analysis of operational patterns and historical data to forecast future power consumption before the load actually changes state. This allows the control system to prepare optimal conversion efficiency settings in advance, achieving more precise alignment with actual load requirements rather than reacting to past feedback.
Solution Approach 2:
The patent enhances feedback by combining actual power consumption measurements with predictive modeling. The prediction unit continuously compares forecasted values with actual measurements, refining the prediction model over time. This creates a sophisticated feedback loop that not only responds to current state but also learns from historical patterns to improve future predictions and control accuracy.
Data Source
AI summary
Disclosed is a power supply device capable of optimizing a conversion efficiency of power so as to be able to supply, in accordance with an operation status of a load that is a supply target of power, power necessary for the load.The power supply device (40) includes a control unit (41) that refers to, on the basis of new power prediction information (101R), a storage unit (3) that stores power information (103) in which power prediction information (101S) indicating a prediction value of power and output power information (102S) indicating an output power value, determines a reference value, and controls a power conversion unit (4) to adjusts a power conversion efficiency in accordance with the determined reference value.