Remote Air Conditioning Start System with Local Temperature Determination
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Solution Overview
Problem
In remote air conditioning start systems, excessive communication between the center server and the vehicle increases communication fees due to the need for continuous monitoring of inside temperatures to control vehicle cabin temperatures effectively.
Innovation Solution
A remote air conditioning start system with a determination unit in the vehicle that assesses temperature conditions based on predetermined thresholds, allowing the air conditioner to operate for a set time before stopping, thereby reducing the need for continuous temperature monitoring and communication with the center server.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If continuous temperature monitoring is implemented to control vehicle cabin temperature effectively, then temperature control precision is improved, but communication amount between center server and vehicle increases
Solution Approach 1:
The system performs preliminary temperature assessment by the determination unit before initiating continuous monitoring. The air conditioner is controlled to operate for a predetermined time based on initial temperature conditions, avoiding the need for continuous real-time communication during the operation period.
Solution Approach 2:
The vehicle's determination unit autonomously assesses temperature conditions and controls the air conditioner operation locally without requiring continuous center server intervention. The system serves itself by making local decisions based on predetermined thresholds and timing, reducing dependency on continuous communication.
2Reliability
If thorough feedback of inside temperature information is implemented from vehicle to center server, then temperature control reliability is improved, but communication fees increase
Solution Approach 1:
The system establishes temperature control reliability through preliminary determination of temperature conditions and predetermined operation timing. The center server sends initial control instructions with predetermined parameters, and the vehicle executes these instructions locally without requiring continuous feedback loops, thus maintaining reliability while reducing communication fees.
Solution Approach 2:
The system implements selective feedback where the determination unit assesses temperature conditions locally and only communicates with the center server when necessary (e.g., when temperature conditions change significantly or when operation time expires). This reduces continuous feedback requirements while maintaining control reliability.
3Device complexity
If the air conditioner operates for a predetermined time based on temperature assessment, then device complexity is reduced, but temperature control precision may be compromised
Solution Approach 1:
The determination unit performs preliminary assessment of temperature conditions and calculates predetermined operation time based on initial temperature differential and environmental conditions. This preliminary action simplifies the control system by avoiding complex real-time adjustment mechanisms while still achieving acceptable temperature control through pre-calculated operation parameters.
Solution Approach 2:
The system changes operational parameters (operation time, start/stop timing) based on predetermined temperature thresholds and environmental conditions rather than using complex continuous control algorithms. This parameter-based approach reduces device complexity while maintaining sufficient temperature control precision for practical applications.
Data Source
AI summary
A remote air conditioning start system includes a terminal of a user, a center server that is configured to communicate with the terminal, and a vehicle that includes an air conditioner and is configured to communicate with the center server. The remote air conditioning start system includes a determination unit configured to determine whether a temperature condition is satisfied, and a controller configured to, after the air conditioner is started according to a start request that is transmitted from the terminal to the vehicle through the center server and that includes a set time for operating the air conditioner, when the determination unit determines that the temperature condition is satisfied, stop the air conditioner when the set time has elapsed from starting point that is set after the determination.