Tailgate Control Compensation for RPM Inflection and Latch Cinching
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Solution Overview
Problem
Existing vehicle control systems for tailgates often experience issues such as uneven opening, failure to cinch the latch during closing, and sensitivity to ambient temperature, leading to inconvenient user experiences.
Innovation Solution
A vehicle control apparatus that identifies problems during tailgate operations, calculates compensation values based on operational data, and adjusts the target control values to improve the opening and closing processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If fully automatic tailgate control is implemented, then convenience is improved, but operational reliability deteriorates due to RPM inflection and cinching failures
Solution Approach 1:
The control apparatus continuously monitors RPM during tailgate operations and uses this feedback to detect anomalies such as inflection points. When an inflection is detected, the system automatically adjusts the target RPM profile to compensate, ensuring smooth operation without manual intervention while maintaining reliability.
Solution Approach 2:
The system performs preliminary detection of potential problems during the operation and calculates compensation values in advance. By identifying RPM inflection trends early and pre-calculating the necessary compensation, the system prevents operational failures before they occur, maintaining both convenience and reliability.
2Speed
If target control values are used for tailgate operation, then opening and closing speed is improved, but manufacturing precision deteriorates due to RPM inflection and inconsistent cinching
Solution Approach 1:
The system dynamically changes the target RPM parameter based on detected operational conditions. When an RPM inflection is detected, the control apparatus modifies the target RPM profile by adding compensation values, adjusting the speed parameter in real-time to maintain smooth operation and precise cinching.
Solution Approach 2:
The control system transitions from a static target control approach to a dynamic one where the target RPM continuously adapts based on real-time monitoring. The system adjusts speed parameters on-the-fly to compensate for reaction forces and ensure consistent operational precision while maintaining high speed performance.
3Manufacturing precision
If compensation values are calculated and applied, then operational precision is improved, but device complexity increases
Solution Approach 1:
The control apparatus performs self-diagnosis and self-correction by automatically detecting RPM inflections and calculating its own compensation values. The system serves itself by monitoring its own performance and adjusting its control parameters without external intervention, improving precision while adding minimal complexity.
Solution Approach 2:
The detection and compensation functions are merged into the existing control apparatus rather than being implemented as separate systems. The control unit integrates RPM monitoring, inflection detection, and compensation calculation into a unified control logic, improving operational precision without proportionally increasing device complexity.
Data Source
AI summary
A vehicle control apparatus includes an input device, a sensor device, a memory, and a controller. For example, the vehicle control apparatus receives a user input about an opening operation or a closing operation for a tailgate through the input device. The vehicle control apparatus performs tailgate control corresponding to the user input based on an amount of target control. The vehicle control apparatus calculates a compensation value based on at least one of an amount of change in RPM identified using the sensor device in the tailgate control process, latch data, or any combination thereof, when it is determined that a first problem about the opening operation or a second problem about the closing operation occurs. The vehicle control apparatus reflects the compensation value into the amount of target control.