Inspection Robot Drive Module With Magnetic Shielding for Encoder Reliability
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Solution Overview
Problem
Existing inspection systems for industrial surfaces face challenges such as hazardous environments, incomplete inspections, human error, and inefficiencies due to the need for system shutdowns and stringent safety procedures, leading to inadequate coverage and resolution in inspections.
Innovation Solution
The development of an inspection robot with modular drive assemblies, adjustable wheels, and interchangeable payloads with various sensors for different surfaces, capable of operating in hostile environments and generating interactive inspection maps for improved data collection and analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If personnel manually inspect industrial surfaces in hazardous environments, then inspection can be performed with simple equipment, but personnel safety is compromised and inspection quality is inconsistent due to human error
Solution Approach 1:
The patent replaces manual mechanical inspection with an automated robotic inspection system that uses sensors, cameras, and data processing algorithms to detect and evaluate surface defects, eliminating human exposure to hazardous environments while providing consistent, high-quality inspection results
Solution Approach 2:
The robotic inspection system autonomously navigates, inspects, and analyzes surfaces without continuous human intervention, with the robot independently performing inspection tasks and generating reports, thereby improving reliability while removing personnel from harmful environments
2Object-affected harmful factors
If the inspection system is shut down or operated at reduced capacity to ensure safety, then personnel safety is improved, but productivity and inspection coverage are reduced
Solution Approach 1:
By replacing human inspectors with autonomous robots, the system eliminates the need to shut down operations for safety reasons, allowing continuous inspection to be performed on operating equipment without compromising either safety or productivity
Solution Approach 2:
The robotic inspection system is designed to operate in various hazardous environments (high temperature, confined spaces, high voltage areas) without requiring system shutdowns, enabling simultaneous operation with industrial equipment and maintaining full productivity while ensuring safety
3Object-affected harmful factors
If stringent safety procedures are implemented during manual inspection, then personnel safety is improved, but inspection time and complexity increase
Solution Approach 1:
The automated robotic system eliminates the need for safety procedures such as lockout/tagout, confined space entry protocols, and harnessing requirements, thereby reducing inspection time while maintaining or improving safety standards through autonomous operation
Solution Approach 2:
The robot independently performs all inspection tasks without requiring human personnel to follow complex safety procedures, eliminating time losses associated with safety protocol implementation while ensuring operational safety
4Device complexity
If manual inspection is performed in confined spaces, then equipment complexity is reduced, but inspection coverage and resolution are insufficient due to accessibility limitations
Solution Approach 1:
The robotic inspection system with specialized end effectors and sensors can access confined spaces that are difficult or impossible for human inspectors to reach, providing comprehensive coverage and high-resolution inspection data from areas previously inaccessible to simpler equipment
Solution Approach 2:
The robot utilizes three-dimensional navigation and multi-angle sensing capabilities to inspect confined spaces from multiple perspectives, achieving complete coverage and high-resolution measurements in geometries that limit manual inspection effectiveness
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The inspection robot provides comprehensive, accurate, and systematic surface inspections with reduced human risk, improved environmental capabilities, and enhanced data management, enabling efficient and thorough evaluation of industrial surfaces in hazardous conditions.
Implementation Method 1
A motor magnetic circuit is provided having a stator and a rotor. The motor magnetic circuit includes a first set of encoder windows disposed between the stator and the rotor. A magnetic shield is provided at each encoder window
Data Source
AI summary
An inspection robot may include an inspection chassis and a drive module with magnetic wheels coupled to the inspection chassis. The drive module may further include a motor and a gear box located between the motor and a magnetic wheels. The gear box may include a flex spline cup which interacts with the ring gear. The inspection robot may further include a magnetic shielding assembly to shield the motor and an associated electromagnetic sensor from electromagnetic interference generated by the magnetic wheels.