Dynamic Synchronizer Selection in Automated Transmissions
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Solution Overview
Problem
Existing methods for selecting synchronizing elements in automated transmissions are statically configured during manufacturing and do not account for dynamic influences or variable operating conditions, limiting adaptability and efficiency.
Innovation Solution
A method that continuously evaluates and prioritizes available synchronizing elements based on current load status, operational requirements, and boundary conditions to optimize shifting processes, allowing for real-time selection and adaptation of synchronizing elements during vehicle operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If synchronizing elements are selected statically during manufacturing, then device complexity is reduced and ease of manufacture is improved, but adaptability to dynamic operating conditions deteriorates
Solution Approach 1:
The patent implements dynamic selection of synchronizing elements by continuously evaluating multiple candidate elements based on current operating conditions such as shaft speeds, torque requirements, and component availability. The system dynamically determines which synchronizing element to use during shifting operations, allowing adaptation to varying operating conditions while maintaining a standardized transmission design.
2Productivity
If multiple synchronizing elements are continuously evaluated and prioritized, then adaptability and shifting efficiency are improved, but device complexity and computational requirements increase
Solution Approach 1:
The patent changes the parameters of synchronizing elements by dynamically adjusting their priority weights based on current operating conditions. The system evaluates parameters such as speed difference, torque capacity, and component wear status, then prioritizes elements accordingly. This allows efficient shifting operations without requiring complex hardware modifications.
Solution Approach 2:
The system continuously monitors the state of synchronizing elements and provides feedback to the control unit, which adjusts element prioritization based on real-time conditions. This feedback mechanism enables the system to adapt to changing operating conditions, component wear, and failure states, optimizing shifting performance while managing system complexity through software-based control.
3Reliability
If synchronizing elements are selected based on current load status and operational requirements, then reliability and service life are improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent implements preliminary evaluation of multiple synchronizing elements before shifting operations, assessing their current load status, availability, and suitability for the required task. The control unit pre-determines the optimal synchronizing element based on predicted operating conditions, ensuring reliable shifting while distributing load across multiple elements to extend service life. This approach relies on software-based decision-making rather than requiring high manufacturing precision for mechanical selection mechanisms.
Data Source
AI summary
The method involves evaluating a synchronous element in an automatic transmission for prioritizing the application during a switching operation. The task to be performed during the switching operation is considered for prioritization of the synchronous element to be employed.