Road Paver Data Memory Device for Parameter Redundancy
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Solution Overview
Problem
Existing road pavers face data loss and costly re-parameterization processes during service procedures due to the lack of reliable data storage solutions, leading to inefficiencies and potential machine parameter misconfiguration.
Innovation Solution
A data memory device with a plug-in connection is introduced, allowing machine parameters to be stored and retrieved without the need for re-parameterization, featuring a robust and compact design with safeguarding elements to prevent data loss, and can be easily replaced and updated, ensuring data availability during service processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If machine parameters are stored in the host system unit, then the parameters are readily accessible during operation, but the parameters are lost when the host system unit fails or is replaced
Solution Approach 1:
A data memory device is introduced as an intermediary storage component between the host system unit and external memory sources. This device includes a micro storage unit with storage logic that automatically receives and stores machine parameter data from the host system unit via a data exchange port, ensuring parameters persist even when the host system unit fails or is replaced.
Solution Approach 2:
The system performs preliminary data storage by automatically transferring machine parameter data from the host system unit to the data memory device before any potential failure occurs. The storage logic continuously monitors and saves parameters, so when the host system unit needs replacement, the data is already preserved and can be immediately restored without re-parameterization.
2Reliability
If machine parameters are stored in multiple subsystems in a redundant manner, then data loss is prevented, but the subsystems require costly and high capacity design
Solution Approach 1:
The storage function is segmented into a separate data memory device independent of the host system unit and subsystems. Instead of distributing high-capacity storage across multiple expensive subsystems, the patent creates a dedicated, simple data memory device with micro storage unit that handles all parameter storage, reducing complexity and cost while maintaining reliability.
Solution Approach 2:
The system creates a copy of the machine parameter data in the data memory device from the host system unit. This copying mechanism ensures data preservation without requiring the original subsystems to have high capacity or redundant designs, as the parameter data is replicated in a separate, simpler storage device.
3Ease of operation
If a conventional USB-stick is used for data transfer, then data can be transmitted externally, but the USB-stick cannot withstand the coarse working conditions in a compaction apparatus
Solution Approach 1:
The data memory device uses a robust outer housing made of vibration-resistant material that encapsulates the micro storage unit. This composite construction combines protective mechanical structure with electronic storage components, creating a device that can withstand the coarse working conditions of construction equipment while maintaining data storage functionality and enabling easy data transfer via plug-in connection.
Data Source
AI summary
An electronic control device on a road paver includes an operator's console and a host system unit which is connected via a bus system to electronic subsystems, and which has an inputting and indicating section and a storage area for adjusted machine parameter-data, which machine parameter-data are set and stored at least in the host system unit for the parameterization of the road paver, whereby at least one data exchange port is provided which is connected to the host system unit and which is bi-directional. A mobile data memory device is detachably attached to the data exchange port for storing and safeguarding at least the machine parameter-data, which are set in the host system unit in redundant fashion.