Vehicle Diagnostic PID Condition Indicator and Dynamic Display
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Solution Overview
Problem
Prior off-board computing systems for vehicles do not provide for determining and displaying parameter values for PID topics corresponding to one or more parameter-identifiers (PIDs) and PID conditions, nor do they automatically rearrange PID topics based on changes in PID conditions.
Innovation Solution
A computing system that determines a vehicle identifier and switches states to display PID condition indicators, receiving parameter values and determining PID conditions, then displays descriptors and indicators of PID topics, automatically rearranging containers based on PID conditions to guide technicians during vehicle servicing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If prior off-board computing systems display parameter values and PIDs, then basic diagnostic information is provided, but PID conditions and automatic rearrangement based on critical issues are not displayed
Solution Approach 1:
The system segments the display into multiple states: a first state showing basic parameter values and PIDs, and a second state showing PID condition indicators. This segmentation allows the system to progressively reveal information based on diagnostic needs without overwhelming the user with all data simultaneously, thus reducing perceived complexity while preventing information loss.
Solution Approach 2:
The display dynamically transitions between different states based on diagnostic progression. The system switches from a first display state showing basic parameters to a second display state showing PID condition indicators when specific conditions are met. This dynamic behavior allows the system to adapt information presentation to diagnostic needs, providing critical condition information without requiring permanent complex interface structures.
2Productivity
If the system displays all PID topics, then complete diagnostic data is available, but critical issues are not highlighted and diagnostic efficiency is reduced
Solution Approach 1:
The system applies local quality by providing different visual treatments to different PID topics based on their condition. PID topics with breached thresholds are highlighted with specific indicators (such as color-coded icons or text markers) while normal topics display standard information. This localized differentiation allows technicians to quickly identify critical issues without sacrificing the completeness of the overall diagnostic data set.
Solution Approach 2:
The system performs preliminary analysis of PID conditions and automatically prepares the display to highlight critical issues before the technician even reviews the data. By pre-evaluating which PIDs have breached their thresholds and arranging the display accordingly, the system saves diagnostic time and ensures critical information is immediately visible, thereby improving productivity without losing any diagnostic information.
3Measurement precision
If the system provides detailed PID condition analysis, then diagnostic accuracy is improved, but the interface becomes more complex and harder to operate
Solution Approach 1:
The interface dynamically adapts its complexity based on diagnostic needs. In the first display state, the interface remains simple showing only basic parameter values. When the technician needs more detailed analysis, the system transitions to a second state that reveals PID condition indicators and threshold breach information. This dynamic complexity management maintains ease of operation for routine checks while providing precise diagnostic capability when needed.
Solution Approach 2:
The system extracts critical condition information from the full set of PID data and presents it separately as distinct indicators. Rather than requiring the technician to analyze all raw PID values, the system extracts and highlights only those PIDs that have breached their thresholds or require attention. This extraction approach maintains diagnostic accuracy by preserving all underlying data while simplifying the interface to show only the most relevant information prominently.
Data Source
AI summary
A method includes a computer operating in a first state in which a parameter-identifier condition indicator is not displayed. The computer determines a vehicle identifier corresponding to a vehicle. The vehicle includes a component corresponding to a component identifier and system corresponding to a system identifier, and can exhibit a symptom corresponding to a symptom identifier. The computer determines the component identifier, system identifier, and/or symptom identifier, and a corresponding PID topic. The computer switches to a second state. The method includes determining, a parameter-identifier topic corresponding to parameter-identifier(s). In the second state, the computer: receives parameter values automatically requested from the vehicle for parameter-identifiers corresponding to the parameter-identifier topic, determines a parameter-identifier condition for each of the parameter-identifier(s), and displays a descriptor of the parameter-identifier topic and a PID condition indicator corresponding to the parameter-identifier topic.