Utility Vehicle ABS Control for Automatic Off-Road Engagement
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Solution Overview
Problem
Existing anti-lock braking systems (ABS) in utility vehicles require manual re-engagement by the user, which can be cumbersome and may lead to improper activation during off-road conditions, necessitating a system that automatically engages ABS based on predetermined driving conditions.
Innovation Solution
A utility vehicle braking system with an anti-lock braking control module that automatically engages the anti-lock braking mode in response to predetermined conditions, such as vehicle speed, terrain, and environmental factors, ensuring consistent activation without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual engagement of ABS is required, then the system structure remains simple, but the ease of operation deteriorates and reliability decreases under certain driving conditions
Solution Approach 1:
The ABS control module automatically detects driving conditions and engages anti-lock braking mode without requiring user intervention. The system monitors parameters such as wheel speed, vehicle speed, and braking force, and autonomously determines when ABS activation is necessary, making the system serve itself rather than requiring manual operation.
Solution Approach 2:
The control module continuously receives feedback from sensors monitoring wheel speed, vehicle speed, and braking force. Based on this real-time feedback, the system automatically adjusts braking pressure and engages or disengages ABS mode dynamically, ensuring optimal braking performance under varying driving conditions.
2Reliability
If ABS is automatically engaged based on driving conditions, then reliability improves, but the device complexity increases
Solution Approach 1:
The control module dynamically adjusts its operation based on real-time driving conditions. The system transitions between normal braking mode and anti-lock braking mode smoothly, with braking pressure being continuously modulated according to wheel speed feedback and detected terrain conditions, ensuring reliable ABS activation only when necessary.
Solution Approach 2:
The system monitors changes in key parameters including wheel speed, vehicle speed, and braking force. When these parameters indicate slipping or loss of traction, the control module automatically engages ABS by modulating brake pressure. The system uses predetermined thresholds and algorithms to determine when parameter changes warrant ABS activation, improving reliability without excessive complexity.
3Adaptability or versatility
If the system monitors multiple driving conditions, then the adaptability improves, but the measurement and detection difficulty increases
Solution Approach 1:
The control module serves multiple functions: it monitors wheel speed, vehicle speed, braking force, and terrain conditions simultaneously. The same control unit processes data from various sensors and makes decisions about ABS engagement, unifying multiple detection functions into a single multi-functional system that adapts to different terrains and driving conditions.
Solution Approach 2:
The system replaces complex mechanical terrain sensing mechanisms with electronic sensors and computational algorithms. Electronic sensors detect wheel slip and terrain conditions, and the control module uses programmed logic to interpret these signals, substituting mechanical complexity with electronic detection and software-based decision-making.
Data Source
AI summary
A utility vehicle includes a frame and a plurality of ground-engaging members supporting the frame. Each of the plurality of ground-engaging members is configured to rotate about an axle. The utility vehicle further includes a powertrain assembly supported by the frame and a braking system configured to operate in a normal run mode and an anti-lock braking mode. The braking system includes an anti-lock braking control module operably coupled to the plurality of ground-engaging members and configured to automatically engage the anti-lock braking mode in response to a predetermined condition.