Milling Rotor Control Module for Automated Disengagement

Solution Overview

Problem

Existing control modules for milling rotors in machines require manual and intermittent checks for operational parameters, leading to reduced productivity and potential damage to machine components due to the need for immediate stalling when parameters are not met.

Innovation Solution

A control module comprising a processor and controller that receives signals from detectors and sensors to monitor the direction of motion, relative heights of side plates and moldboard, and generates control signals to selectively disengage the milling rotor, thereby automating the control process and preventing damage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual checking of operational parameters is performed, then the operator can monitor the milling rotor, but productivity is reduced and the work is tedious

Engineering Contradiction:

Improveoperational parameter monitoringVSAvoidmachine productivity

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The system performs self-monitoring through sensors that automatically detect operational parameters (moldboard height, side plate height, direction of motion) and trigger disengagement when thresholds are violated, eliminating the need for manual operator intervention while maintaining reliable monitoring

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

Manual mechanical checking by the operator is replaced with an automated control system comprising sensors, processors, and controllers that electronically monitor parameters and control the milling rotor disengagement, thereby maintaining reliability while significantly improving productivity

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If the machine is stalled immediately when an operational parameter is not met, then damage to components is avoided, but productivity is reduced due to frequent interruptions

Engineering Contradiction:

Improvecomponent damage preventionVSAvoidmachine productivity

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

Sensors continuously monitor operational parameters and provide feedback to the control system. When parameters exceed predefined thresholds (moldboard height, side plate height, or reverse direction of motion), the system automatically triggers disengagement of the milling rotor, preventing damage while enabling continuous operation through automated response

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system is pre-configured with threshold limits for operational parameters. Before damage can occur, the automated system detects when parameters approach dangerous levels and preemptively disengages the milling rotor, preventing damage while minimizing operational interruptions through predictive control

Inventive Principle:

Principle #10Preliminary action

3Reliability

If an operator physically checks operational parameters, then the machine can be supervised, but the operator must get down from atop the machine which is unsafe and tedious

Engineering Contradiction:

Improveoperational parameter checkVSAvoidoperator safety and convenience

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The system performs self-monitoring through sensors that automatically detect operational parameters (moldboard height, side plate height, direction of motion) and trigger disengagement when thresholds are violated, eliminating the need for manual operator intervention while maintaining reliable monitoring

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

Manual mechanical checking by the operator is replaced with an automated control system comprising sensors, processors, and controllers that electronically monitor parameters and control the milling rotor disengagement, thereby maintaining reliability while significantly improving productivity

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS8888194B2Control module for milling rotor

Publication Date: 2014.11.18 CATERPILLAR PAVING PROD INC

AI summary

A control module for a milling rotor of a machine is provided. The control module comprises a processor and a controller. The processor is configured to receive a first signal, indicative of a direction of motion of the machine, a second signal, indicative of a relative height of a pair of side plates with respect to the milling rotor, and a third signal, indicative of a relative height of a moldboard with respect to the milling rotor. The processor processes the first signal, the second signal, and the third signal to generate a control signal. The controller is configured to receive the control signal from the processor and selectively disengage the milling rotor of the machine based on the control signal.