Automated Refuse Grabber Positioning for Safer Engagement
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Solution Overview
Problem
Traditional refuse collection vehicles require two operators, one to drive and one to handle waste containers, and existing single-operator systems face challenges in efficiently and accurately engaging refuse containers without damaging them or risking operator safety.
Innovation Solution
A refuse collection vehicle equipped with a grabber mechanism, sensors, and an onboard computing device that automatically adjusts the positioning of the grabber arms based on sensor data and image analysis to engage refuse containers, reducing the need for manual intervention and enhancing precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual operation of the grabber is used, then operator control is maintained, but operator safety is compromised and collection efficiency is reduced
Solution Approach 1:
The grabber system performs self-positioning and self-adjustment using onboard sensors and computing devices to automatically engage refuse containers without requiring manual intervention from operators, thereby eliminating operator exposure to hazardous situations while maintaining collection efficiency
Solution Approach 2:
Manual mechanical control of the grabber arms is replaced with an automated system using sensors, computing devices, and electronic control mechanisms that automatically adjust arm positioning and engage containers, removing operators from dangerous manual handling tasks
2Object-affected harmful factors
If automated grabber positioning is implemented, then operator safety is improved, but system complexity increases
Solution Approach 1:
The onboard computing device serves multiple functions including processing sensor data, determining target positions, controlling grabber movement, and monitoring container engagement, thereby consolidating system complexity into a single multi-functional unit rather than requiring separate complex control systems
Solution Approach 2:
Sensors continuously monitor the actual position of grabber arms and container engagement status, providing real-time feedback to the computing device which automatically adjusts positioning commands to achieve precise engagement, thereby simplifying control through closed-loop automation rather than complex open-loop control systems
3Reliability
If precise grabber positioning is achieved through automation, then container damage is minimized, but measurement and detection requirements increase
Solution Approach 1:
Manual visual estimation and mechanical alignment are replaced with electronic sensors and computing algorithms that automatically measure and adjust grabber positioning, achieving precise container engagement through digital measurement and control rather than complex mechanical measurement systems
Solution Approach 2:
The system changes operational parameters such as grabber arm angle, extension distance, and closing force based on real-time sensor feedback and computed target positions, allowing precise adaptation to different container sizes and positions without requiring complex mechanical adjustment mechanisms
Data Source
AI summary
A refuse collection vehicle includes a grabber that is operable to engage a refuse container, at least one sensor that is arranged to collect data indicating a relative positioning of a first arm of the grabber and a second arm of the grabber, and a controller having one or more control elements for selecting a target positioning of a first arm of the grabber and a second arm of the grabber. The first arm and the second arm automatically move to the target positioning in response to a signal received by an onboard computing device of the vehicle.