Adaptive Trailer Brake Pressure Modeling for Timing and Pressure Control
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Solution Overview
Problem
Existing brake control systems for combination vehicles struggle to accurately control trailer brakes due to timing discrepancies and pressure level degradation, especially when towing trailers of varying lengths and multiple trailers simultaneously.
Innovation Solution
A braking control apparatus that selects a trailer brake pressure model based on specific trailer configuration data, using an adaptive control system to determine a brake pressure model that tailors the operation of the modulator valve and trailer brakes to the specific characteristics of each towed vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a generic trailer braking model is used to control trailer brakes, then the system complexity is reduced and ease of operation is improved, but timing discrepancies and pressure level degradation occur when towing trailers of varying lengths
Solution Approach 1:
The patent implements dynamic adjustment of brake control parameters based on detected trailer characteristics. The system continuously monitors trailer length and braking responses, then adapts the braking model parameters in real-time to match the specific trailer being towed, rather than using a static generic model
Solution Approach 2:
The system incorporates feedback mechanisms that monitor actual trailer braking performance and use this information to refine and adjust the braking control model. Sensors detect trailer braking responses and feed this data back to the control unit, which then optimizes timing and pressure parameters accordingly
2Device complexity
If a generic trailer braking model is used, then device complexity is reduced, but pressure level degradation occurs especially when towing multiple trailers or trailers of varying lengths
Solution Approach 1:
The system dynamically adjusts pressure control parameters based on the number and configuration of trailers detected. When multiple trailers are identified, the control unit automatically modifies pressure levels and timing sequences to compensate for the increased complexity of the towing configuration
Solution Approach 2:
The braking system performs self-calibration by automatically detecting trailer characteristics and adjusting its own control parameters without requiring manual intervention. The system services itself by adapting to different towing scenarios, reducing the need for complex manual configuration
3Measurement precision
If trailer configuration data is collected and processed to determine an adaptive brake pressure model, then braking precision and reliability are improved, but device complexity and data processing requirements increase
Solution Approach 1:
The patent replaces complex mechanical adjustment mechanisms with electronic sensors and digital processing. Instead of physical dials and mechanical linkages for adjusting brake parameters, the system uses electronic sensors to detect trailer characteristics and digital algorithms to calculate optimal braking profiles
Solution Approach 2:
The control unit serves multiple functions: it detects trailer presence, identifies trailer length, monitors braking responses, calculates optimal pressure parameters, and controls the brake application. This multi-functionality consolidates what would otherwise require separate devices into a single integrated control system
Data Source
AI summary
Default trailer model data stored in a memory device of a braking control apparatus is used to generate a default trailer braking signal for activating brakes on a default towed vehicle. An application trailer braking model different than the default trailer braking model is determined based on application trailer configuration data alone or in combination with the default trailer braking model. The application trailer configuration data is representative of an application value of an equipment parameter of the towed vehicle. Compensated trailer braking control data is determined by applying primal trailer braking control data representative of a primal trailer braking control signal to the determined application trailer braking model, and an output circuit generates a compensated trailer braking control signal for delivery to a modulator valve that is responsive to the compensated trailer braking control signal to activate brakes on the towed vehicle.