Map Display Device Adaptive Update Frequency Control
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Solution Overview
Problem
Current map display devices face issues with smooth updates and rendering due to low or high update frequencies, leading to rendering lag, sudden location icon jumps, and reduced processing capacity for other tasks, especially when using high-frequency updates.
Innovation Solution
A display device and control program that utilize HTTP communication to update maps on a screen, obtaining map data at predetermined intervals based on location and speed data, allowing for smooth rendering and efficient processing by determining optimal update frequencies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If map update frequency is increased to achieve smooth rendering, then rendering smoothness is improved, but computing time occupancy increases and other processing capabilities deteriorate
Solution Approach 1:
The patent applies dynamics by making the map update frequency adjustable and adaptive rather than fixed. The system dynamically changes the update frequency based on current processing load conditions, allowing it to increase frequency when computing resources are available for smooth rendering, and decrease frequency when other processing tasks require more resources.
Solution Approach 2:
The patent changes the parameter of update frequency based on processing load conditions. By monitoring computing resource availability and adjusting the update frequency parameter accordingly, the system optimizes the balance between rendering smoothness and overall processing capacity for multiple tasks.
2Productivity
If map update frequency is decreased to reduce processing load, then processing capacity for other tasks is improved, but rendering smoothness deteriorates causing lag and visual confirmation difficulties
Solution Approach 1:
The system dynamically adjusts the update frequency rather than using a fixed low frequency. When processing load is low, it increases frequency to maintain smooth rendering; when load is high, it decreases frequency to preserve processing capacity for other tasks.
Solution Approach 2:
The update frequency parameter is changed adaptively based on processing load monitoring. This allows the system to optimize the trade-off between rendering smoothness and overall productivity by adjusting the parameter in response to real-time conditions.
3Use of energy by moving object
If map is updated at low frequency to save computing resources, then energy consumption is reduced, but location icon movement becomes discontinuous causing sudden jumps
Solution Approach 1:
The system dynamically adjusts update frequency to maintain stable, continuous location icon movement. By increasing frequency when needed, it ensures the location icon moves smoothly without sudden jumps, while still reducing frequency to conserve energy when conditions allow.
Solution Approach 2:
The update frequency parameter is adjusted to balance energy consumption with movement continuity. When the location icon needs to move smoothly (e.g., during active navigation), the system increases frequency; when energy conservation is prioritized and movement can be less frequent, it decreases frequency.
Data Source
AI summary
A display device includes a display that displays a map based on map data and Hypertext Markup Language data, a communicator that obtains the map data through Hypertext Transfer Protocol communication, and a display controller that updates, based on the map data obtained by the communicator and corresponding to location data obtained at predetermined time intervals, the map displayed on the display.