Bidirectional Vehicle Mode Switching for Even Wear Distribution

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Solution Overview

Problem

Vehicles experience uneven wear on components due to varying usage patterns, leading to premature failure and maintenance needs, as different components wear at different rates based on distance traveled and torque applied.

Innovation Solution

A bidirectional vehicle system that uses odometers and operational data to select modes of operation, distributing wear evenly across components by alternating directions of travel and drive systems, and adjusting based on distance, torque, and environmental factors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the vehicle operates continuously in one direction, then the vehicle can maintain efficient and consistent operation, but the components experience uneven wear leading to premature failure

Engineering Contradiction:
Improvecomponent lifespanVSAvoidwear distribution uniformity
Core Design Contradiction:
ReliabilityVSStability of the object's composition

Solution Approach 1:

The system implements periodic switching between forward and reverse directions of travel based on accumulated distance measurements. The processor monitors odometer data and automatically changes travel direction when a threshold distance is reached, creating a periodic action pattern that distributes wear evenly across components over time.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system changes the operational parameter of travel direction (from unidirectional to bidirectional) based on monitored distance parameters. By adjusting this parameter dynamically according to accumulated wear indicators, the system optimizes component lifespan while maintaining operational efficiency.

Inventive Principle:
Principle #35Parameter changes

2Duration of action of stationary object

If the vehicle switches directions frequently to distribute wear evenly, then component lifespan is extended, but the complexity of the control system increases

Engineering Contradiction:
Improvevehicle operational lifeVSAvoidcontrol system complexity
Core Design Contradiction:
Duration of action of stationary objectVSDevice complexity

Solution Approach 1:

The system uses the vehicle's existing odometer and processor to monitor and control direction switching autonomously. The processor automatically compares accumulated distance against predefined thresholds and triggers direction changes without external intervention, allowing the system to self-manage wear distribution using already-available components.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system implements a feedback loop where the processor continuously monitors odometer data, compares it against threshold values, and automatically adjusts travel direction accordingly. This closed-loop feedback mechanism simplifies control by using straightforward distance-based logic rather than complex algorithms.

Inventive Principle:
Principle #23Feedback

3Duration of action of moving object

If the vehicle monitors and adjusts travel direction based on wear thresholds, then wear distribution is optimized, but the measurement and control requirements increase

Engineering Contradiction:
Improvecomponent service durationVSAvoiddistance measurement accuracy
Core Design Contradiction:
Duration of action of moving objectVSMeasurement precision

Solution Approach 1:

The system uses a simplified measurement approach by monitoring total distance traveled against predefined threshold values rather than attempting to measure and equalize wear on individual components. This partial monitoring strategy achieves adequate wear distribution without requiring precise measurement of each component's actual wear state.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS11834074B1Techniques for reducing wear on a vehicle
Publication Date: 2023.12.05 ZOOX INC
  • US11834074B1 patent drawing
  • US11834074B1 patent drawing
  • US11834074B1 patent drawing

AI summary

Techniques for reducing the wear on vehicles. For instance, a vehicle may include a bidirectional vehicle that operates in a first mode at which a first end of the vehicle operates as a front of the vehicle and a second mode at which a second end of the vehicle operates as the front of the vehicle. As such, the vehicle may store data representing a first distance that the vehicle has traveled while operating in the first mode and a second distance that the vehicle has traveled while operating in the second mode. The vehicle may then detect the occurrence of an event. Based on the occurrence of the event, the vehicle may select a mode for operating the vehicle using the first distance and the second distance. For example, the vehicle may select the mode that is associated with the shortest distance.