Vehicle Solar Power Display Stabilization via Adaptive Cycling
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Solution Overview
Problem
Solar batteries installed on vehicles are prone to fluctuations in power generation due to shading from ground objects and vehicle movement, making it difficult for users to accurately grasp the power generation amount and identify optimal parking locations with high power generation potential.
Innovation Solution
A power generation amount output device that includes a unit to obtain and reduce fluctuations in the power generation amount based on vehicle state, using methods such as vehicle speed coefficients and adjusted display cycles to stabilize the displayed power generation amount, allowing users to easily identify high power generation locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the power generation amount is displayed with less fluctuation, then the user can grasp the power generation amount more stably, but it takes time to display the correct power generation amount
Solution Approach 1:
The patent applies dynamics by making the display cycle adaptive rather than fixed. The control unit dynamically adjusts the display cycle based on vehicle speed: using a first (longer) cycle at high speeds to reduce fluctuation, and a second (shorter) cycle at low speeds to enable quick identification of high power generation locations. This dynamic adjustment resolves the contradiction between stability and responsiveness.
Solution Approach 2:
The patent changes the parameter of display cycle duration based on vehicle operating conditions. By switching between different display cycle parameters (first cycle vs. second cycle) according to vehicle speed, the system optimizes the balance between displaying stable power generation amounts and providing timely information for location identification.
2Speed
If the vehicle moves at high speed, then the power generation amount fluctuates more due to shading from ground objects, but the user needs to identify high power generation locations quickly
Solution Approach 1:
The system dynamically adjusts the display cycle based on vehicle speed. When the vehicle travels at high speed, a longer first display cycle is used to average out fluctuations caused by passing shaded areas, providing a more stable and accurate representation of overall power generation potential. When speed decreases, a shorter second display cycle enables quicker response for location identification.
Solution Approach 2:
The patent changes the display cycle parameter in response to vehicle speed changes. This parameter adaptation allows the system to maintain measurement precision across different operating conditions by selecting appropriate averaging periods that match the vehicle's movement characteristics and shading patterns.
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
The solution enables users to grasp the power generation amount more stably and identify locations with high power generation potential, even while driving at high speeds, by reducing fluctuations in the displayed power generation amount.
Implementation Method 1
a solar battery installed on the roof of a house can be an electric power source of various electric products in the house
Data Source
AI summary
A power generation amount output device configured to output a power generation amount of a photovoltaic panel having been installed in a vehicle to a display unit, includes a power generation amount obtainment unit configured to obtain the power generation amount of the photovoltaic panel; a fluctuation reduction unit configured to reduce a fluctuation of the power generation amount to be output by the display unit, depending on a vehicle state of the vehicle; and a power generation amount output unit configured to output the power generation amount having the fluctuation reduced by the fluctuation reduction unit to the display unit.