Multi-Joint Robot Inspection Apparatus for Vehicle Driver Assistance Systems
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Solution Overview
Problem
Existing driver assistance system inspection processes are inefficient due to separate installation of inspection units, requiring large inspection booth areas and long inspection times, and prohibiting operator entry during simultaneous robot operations, leading to management and quality control challenges.
Innovation Solution
An apparatus with a multi-joint robot and separable inspection units, allowing for simultaneous inspection of driver assistance systems both inside and outside the vehicle, reducing booth space and inspection time, and enabling operator entry by sequencing inspections and separating units to prevent interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple inspection units are installed in a single inspection booth, then inspection functionality is improved, but the booth area increases and inspection time increases due to physical separation requirements
Solution Approach 1:
The inspection system is divided into multiple independent inspection units (first inspection unit for interior inspection, second inspection unit for exterior inspection). Each unit can be independently mounted on the robot arm and operated separately, allowing functional versatility without requiring permanent installation of all units simultaneously in the booth.
Solution Approach 2:
The inspection units are designed to be dynamically interchangeable on the robot arm. The robot arm can selectively mount and operate different inspection units based on the inspection sequence, transitioning between interior and exterior inspections without requiring fixed installation positions for each unit within the booth space.
2Productivity
If multiple robots operate simultaneously in a single inspection booth, then inspection productivity is improved, but operator safety is compromised preventing real-time management
Solution Approach 1:
The inspection process is segmented into sequential phases: interior inspection by the first inspection unit, then exterior inspection by the second inspection unit. This segmentation allows the robot arm to operate with only one inspection unit active at a time, eliminating the need for multiple simultaneously operating robots and enabling operator entry for real-time management between phases.
Solution Approach 2:
The inspection system operates in periodic cycles, alternating between interior inspection mode and exterior inspection mode. During each cycle, only the relevant inspection unit is activated, creating periodic opportunities for operator intervention and management while maintaining high overall productivity through continuous alternating operation.
3Reliability
If inspection units are physically separated to prevent interference, then operational safety is improved, but inspection time increases
Solution Approach 1:
A single robot arm serves multiple functions by sequentially mounting different inspection units. The first robot arm can perform both interior inspection (with first inspection unit) and exterior inspection (with second inspection unit), eliminating the need for separate robot systems and reducing total inspection time while maintaining safety through sequential operation.
Solution Approach 2:
The inspection units are dynamically interchangeable on the robot arm, allowing rapid transition between interior and exterior inspection modes. This dynamic reconfiguration enables the system to maintain operational safety through sequential operation while minimizing the time lost during unit transitions compared to fixed, physically separated inspection systems.
Data Source
AI summary
An apparatus for inspecting driver assistance systems provided in a vehicle includes a multi-joint robot, a first inspection unit mounted on the multi-joint robot and configured for inspecting some of the driver assistance systems inside the vehicle, and a second inspection unit separably mounted from the multi-joint robot or the first inspection unit and configured for inspecting other of the driver assistance systems from an outside of the vehicle.