Camera-Based Boom Control Using Neural Network Pose Detection

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Solution Overview

Problem

Existing systems for controlling articulating boom arms in machinery like feller bunchers and excavators rely on sensors for determining the pose of the boom, which can be unreliable or fail, leading to inaccuracies in positioning and movement.

Innovation Solution

The integration of a camera system that uses a neural network to determine the pose of the articulating boom arm based on image data, supplementing or replacing sensor data to ensure accurate positioning and movement, even in the event of sensor failure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If sensors are used to determine the pose of the boom arm, then the positioning accuracy can be maintained, but the system reliability deteriorates due to sensor failure or unreliability

Engineering Contradiction:
Improvesystem reliabilityVSAvoidpositioning accuracy
Core Design Contradiction:
ReliabilityVSMeasurement precision

Solution Approach 1:

The system implements a neural network-based vision system as a pre-established backup mechanism that can take over pose determination when sensors fail. The neural network is trained offline and ready to provide positioning accuracy as a cushion against sensor failure, thereby maintaining both reliability and measurement precision.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Solution Approach 2:

The patent introduces a camera-based vision system as an intermediary mechanism between the boom arm and the control system. This vision system processes images to determine boom pose, serving as a mediator that can replace faulty sensors and maintain positioning accuracy without direct dependence on unreliable sensor components.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If a camera system with neural network is integrated to determine boom pose, then the system reliability improves through redundancy, but the device complexity increases

Engineering Contradiction:
Improvesystem reliabilityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The neural network is trained offline in advance using labeled image data before deployment. This preliminary training action prepares the system to directly infer boom pose from images during operation, reducing online computational complexity and making the integrated system more manageable despite the added hardware.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system creates a digital model of the boom arm pose by training a neural network to recognize and interpret visual features in camera images. This copying approach translates physical boom positions into image-based representations, allowing the system to determine pose through image analysis rather than direct sensor measurement, thereby improving reliability while managing complexity through software-based solutions.

Inventive Principle:
Principle #26Copying

3Device complexity

If sensor data is used as the primary mechanism for determining boom pose, then the device complexity is kept simple, but the reliability deteriorates when sensors fail or are missing

Engineering Contradiction:
Improvedevice complexityVSAvoidsystem reliability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The system dynamically changes the input parameters for pose determination based on sensor availability. When sensors are functional, it uses sensor data (simpler mode). When sensors fail or are missing, it switches to using camera image data processed by the neural network (reliable mode). This parameter switching resolves the contradiction by adapting to conditions rather than requiring a permanently complex system.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS11447935B2Camera-based boom control
Publication Date: 2022.09.20 DEERE & CO
  • US11447935B2 patent drawing
  • US11447935B2 patent drawing
  • US11447935B2 patent drawing

AI summary

Systems and methods are described for determining an actual pose of an articulating boom arm using an artificial intelligence mechanism (e.g., a neural network) trained to determine the actual pose of the articulating boom arm based on captured image data. In some implementations, an electronic processor is configured to control movement of the articulating boom arm based at least in part on pose information determined by applying the image-based neural network. In some implementations, an electronic processor is configured to train the neural network by using, as training data, captured image data and output signals from sensors indicative of measured positions of the components of the articulating boom arm.