Constant Power Control Apparatus Using Feedback Modification
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Solution Overview
Problem
Conventional constant power control apparatuses are costly and complex due to their reliance on multipliers or accumulators, leading to increased circuit complexity and potential power variations that can damage elements.
Innovation Solution
A constant power control apparatus and method that adjusts output power using voltage and current feedback signals, employing a compensation and modification device, a constant power control device, and a power generation circuit, which can be implemented with analog or digital designs, eliminating the need for multipliers and accumulators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional constant power control apparatus uses multipliers or accumulators to control output power, then power control precision is improved, but device complexity and cost are increased
Solution Approach 1:
The patent extracts and removes the complex multiplier and accumulator components from the constant power control apparatus. Instead of using these complex computational elements, the invention employs a simplified control circuit that achieves constant power control through alternative means, thereby reducing device complexity while maintaining control precision.
Solution Approach 2:
The patent replaces expensive multipliers and accumulators with cheaper, simpler control circuit components. The simplified control circuit uses basic electronic elements that are less costly and less complex than the original computational components, achieving the same functional outcome with lower device complexity.
2Measurement precision
If conventional constant power control apparatus uses multipliers or accumulators, then power control precision is improved, but cost is increased
Solution Approach 1:
The patent removes the expensive multiplier and accumulator components from the system. By extracting these high-cost elements and replacing them with a simplified control circuit using basic electronic components, the manufacturing cost is significantly reduced while maintaining the precision of power control.
Solution Approach 2:
The invention substitutes expensive computational components with cheaper control circuit elements. The simplified circuit uses readily available, low-cost electronic components that reduce the overall manufacturing cost while achieving the same constant power control precision.
3Ease of manufacture
If constant voltage control or constant current control is used, then cost is reduced and circuit design is simplified, but output power varies and damages elements
Solution Approach 1:
The patent implements a feedback mechanism in the control circuit that monitors output power and adjusts control parameters accordingly. This feedback loop ensures that output power remains constant despite variations in load conditions, preventing element damage while maintaining a simple and cost-effective circuit design without requiring complex multipliers or accumulators.
Data Source
AI summary
A constant power control apparatus and a controlling method thereof are provided. The constant power control apparatus outputs output power to a load element. The constant power control apparatus includes a compensation and modification device, a constant power control device, and a power generation circuit. The compensation and modification device receives an expected output power voltage and a voltage feedback signal relating to the output power. The compensation and modification device transforms the expected output power voltage into a current reference value, and modifies the current reference value to generate a modified current reference value according to the voltage feedback signal. The constant power control device receives the modified current reference value and a current feedback signal relating to the output power, and generates a control signal for use in power modulation. The power generation circuit receives the control signal and outputs the output power.