Method for adjusting zero-gravity seat in vehicle, and computing device and vehicle
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Solution Overview
Problem
Existing zero-gravity seats lack adaptability in adjusting to dynamic vehicle conditions, primarily focusing on static and ideal sitting postures without considering multi-dimensional comfort evaluations.
Innovation Solution
A method for dynamically adjusting a zero-gravity seat during vehicle travel, incorporating multi-dimensional inputs to evaluate comfort levels based on user and vehicle parameters, and adjusting damping coefficients to achieve a predetermined comfort condition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If static adjustment and ideal sitting posture are considered only, then device complexity is reduced, but adaptability of the zero-gravity seat deteriorates
Solution Approach 1:
The patent implements dynamic adjustment of seat parameters (damping coefficient, stiffness coefficient, seat position) based on real-time vehicle motion states and user characteristics. The system transitions from static pre-set positions to dynamic real-time adjustment, allowing the seat to adapt to changing vehicle conditions during travel, thereby resolving the contradiction between maintaining simple device structure and achieving high adaptability.
Solution Approach 2:
The system dynamically changes key parameters including damping coefficient, stiffness coefficient, and seat position parameters based on vehicle acceleration, deceleration, and turning states. By adjusting these parameters in real-time according to multi-dimensional inputs (user characteristics, vehicle dynamics), the system achieves high adaptability without requiring complete structural redesign, thus balancing adaptability improvement with device complexity control.
2Measurement precision
If multi-dimensional inputs and dynamic adjustment are implemented, then adaptability and comfort evaluation are improved, but device complexity increases
Solution Approach 1:
The system establishes a closed-loop feedback mechanism that continuously monitors vehicle motion parameters (acceleration, deceleration, turning), user characteristics, and seat state, then dynamically adjusts damping and stiffness coefficients accordingly. This feedback-based control enables precise comfort evaluation and adjustment while managing system complexity through algorithmic processing rather than additional hardware components.
Solution Approach 2:
The control system integrates multiple functions into a single unified platform: user characteristic analysis, vehicle motion detection, comfort level evaluation, and real-time parameter adjustment. By making the control system multi-functional, the patent achieves high measurement precision for comfort evaluation without proportionally increasing device complexity, as the same system performs multiple interconnected tasks.
3Adaptability or versatility
If dynamic adjustment during vehicle travel is implemented, then personalized adaptability is improved, but use of energy increases
Solution Approach 1:
The system performs dynamic adjustment periodically based on significant changes in vehicle motion states rather than continuously. By triggering adjustments only when vehicle acceleration, deceleration, or turning exceeds certain thresholds, the system achieves personalized adaptability while minimizing energy consumption compared to continuous adjustment, thus resolving the contradiction between adaptability and energy use.
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
Enhances personalized adaptability and comfort by objectively evaluating and optimizing seat settings based on user and vehicle dynamics, improving the zero-gravity experience.
Implementation Method 1
adjusting a damping coefficient of the seat state to the first target damping coefficient... dynamically adjusts the seat during traveling of the vehicle
Implementation Method 2
adjusting a stiffness coefficient of the seat state to a first target stiffness coefficient... zero-gravity seat having a sitting posture mode and a zero gravity posture mode
Data Source
Figure 1
Figure 2~3
AI summary
A method for adjusting a seat in a vehicle is disclosed, wherein the seat is a zero-gravity seat having a sitting posture mode and a zero-gravity posture mode. The method includes: acquiring user characteristic information of an occupant of the seat and seat mode information of the seat to adjust a seat state of the seat to an initial state; acquiring seat characteristic data for the seat; acquiring vehicle static parameter information and vehicle dynamic parameter information for the vehicle; evaluating a comfort level of the seat based on the user characteristic information, the vehicle static parameter information, the vehicle dynamic parameter information, the seat characteristic data, a damping coefficient, and a stiffness coefficient; determining a first target damping coefficient that causes the comfort level of the seat to satisfy a predetermined comfort level condition; and adjusting the seat state of the seat to a first target state based on the first target damping coefficient. The method can dynamically adjust the seat during traveling of the vehicle, and objectively evaluating the comfort by means of multi-dimensional inputs, thereby improving personalized adaptability in the zero-gravity posture.