Screed Extension Identification via Embedded Modules
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Solution Overview
Problem
Existing systems for configuring the width of a paving machine's screed system by coupling extension members are time-consuming and laborious, especially when multiple extension members are used, as they require manual intervention and are ineffective in determining the overall machine length.
Innovation Solution
A screed system with an identification module embedded in each extension member that communicates with a controller to automatically determine the length and positioning of the extension members, using resistance values, unique identification codes, or RFID tags, allowing for minimal human intervention and precise configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual configuration methods are used to determine screed width, then the system structure remains simple, but the operation time and labor requirements increase significantly
Solution Approach 1:
The extension members automatically identify themselves to the controller through their embedded identification modules. When coupled to the base screed, the identification module transmits data about the extension member's characteristics (length, width, position) to the controller, which automatically configures the screed system parameters without requiring manual measurement or input by the operator.
Solution Approach 2:
The patent replaces manual mechanical configuration methods (physical measurement, manual entry, jumper installation) with an automated electronic identification and communication system. The identification module uses electronic data transmission to convey extension member information to the controller, substituting the mechanical/manual process with an automated electronic system.
2Adaptability or versatility
If multiple extension members are used to achieve required paving width, then the adaptability of the screed system improves, but the complexity of determining overall machine length increases
Solution Approach 1:
The screed system is divided into modular components: a base screed and multiple detachable extension members. Each extension member is an independent unit that can be individually identified and configured. The identification module associated with each extension member provides specific information about that segment, allowing the controller to systematically assemble the overall configuration from individual segment data.
Solution Approach 2:
The identification module serves multiple functions: it identifies the extension member's presence, determines its position relative to the base screed, provides information about its dimensions, and enables the controller to calculate the overall screed configuration. This multi-functional approach handles the complexity of multiple extension members through a unified identification system.
3Device complexity
If open-loop configuration is used to avoid determining machine length, then the system complexity is reduced, but the measurement precision and control accuracy deteriorate
Solution Approach 1:
The identification module provides feedback to the controller about the actual configuration of the screed system. By receiving identification data from each extension member (position, length, coupling status), the controller gains knowledge of the true machine length and can adjust operations accordingly, transforming the open-loop system into a closed-loop system with measurement feedback.
Data Source
AI summary
A screed system is provided. The screed system includes a base screed. The screed system includes an extension member, wherein the extension member is detachably coupled to the base screed. The screed system also includes an identification module associated with the extension member. The identification module is configured to provide an indication of the extension member. The screed system further includes a controller, wherein the controller is configured to determine a parameter associated with the extension member based on the indication. Further, the identification module and the controller are configured to communicate with each other.