Economy Running Controller Notification for Stop Conditions
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Solution Overview
Problem
Users of economy running systems struggle to understand and efficiently use the automatic engine stop-start functionality due to unclear indicators and unsatisfied stop conditions, leading to confusion and potential misuse of the system.
Innovation Solution
An economy running system with a control unit that judges vehicle stop conditions and notifies users of unsatisfied conditions, providing information on how to satisfy them, thereby enhancing user understanding and comfort with the system's operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the economy running system provides multiple stop conditions for automatic engine stopping, then the fuel saving effect is improved, but the user's understanding and operation becomes more difficult
Solution Approach 1:
The notification unit provides feedback to the user about which stop conditions are not satisfied, explaining why the engine cannot be stopped automatically. This feedback mechanism helps users understand the system's operation without requiring them to memorize multiple technical conditions, thus maintaining fuel efficiency while improving ease of operation.
Solution Approach 2:
The notification unit acts as an intermediary between the control unit and the user. Instead of directly presenting complex technical conditions, it translates them into user-friendly notifications that explain the current state and required actions, bridging the gap between system complexity and user comprehension.
2Loss of energy
If the system automatically stops the engine when vehicle stops, then fuel expenses are reduced, but user confusion increases when stop conditions are not met
Solution Approach 1:
The notification unit provides real-time feedback to users when automatic stopping cannot be executed, explaining which conditions are not satisfied. This prevents user confusion by clearly communicating the system's decision-making process rather than simply indicating non-execution.
Solution Approach 2:
The notification unit performs preliminary action by informing users in advance about unsatisfied conditions and required operations before the user attempts to use the economy running function, preventing confusion rather than addressing it after it occurs.
3Object-generated harmful factors
If the engine stop-start function is implemented with multiple conditions, then exhaust gas reduction is achieved, but system complexity increases
Solution Approach 1:
The notification unit serves as an intermediary that simplifies the interface between the complex multi-condition control system and the user. It translates complex condition checks into simple, understandable notifications without requiring changes to the underlying complex control logic, thus maintaining exhaust gas reduction capabilities while managing perceived system complexity.
Data Source
AI summary
An economy running system having: a function of stopping an internal combustion engine of a vehicle when the vehicle stops and all of stop conditions are satisfied; and a function of restarting the internal combustion engine of the vehicle. The economy running system includes: a control unit that judges whether the vehicle stops or not, and judges whether each of the stop conditions is satisfied or not; and a notification unit. When the control unit judges that the vehicle stops and that at least one of the stop conditions is not satisfied, the control unit causes the notification unit to notify to a user first notification information concerned with the at least one of the stop conditions.