Moving Parcel Drop Control for High-Speed Sorting Robots
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Solution Overview
Problem
Conventional parcel sorting robot systems experience reduced efficiency due to the need for robots to decelerate, deliver parcels while stationary, and then re-accelerate, which increases delivery time and causes chain effects of blocked robots interacting with each other, leading to lower average sorting speeds.
Innovation Solution
A parcel dropping method where the conveying device delivers parcels while in motion, determining conditions such as obstacle presence and motion speed to ensure safe and efficient delivery, allowing for continuous motion and reducing energy loss by calculating optimal delivery speed and distance based on parcel and target size parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the robot delivers the parcel while stationary, then the parcel can be delivered safely and accurately, but the delivery time increases and the system efficiency decreases
Solution Approach 1:
The patent applies the dynamics principle by enabling the robot to deliver parcels while in motion rather than requiring complete stationary stops. The robot maintains movement during parcel release, dynamically adjusting its state from carrying to releasing while moving, which reduces delivery time while maintaining accuracy through controlled motion parameters
Solution Approach 2:
The patent implements continuity of useful action by eliminating the complete stop phase in the delivery process. The robot continues its movement throughout the delivery action, maintaining continuous useful action rather than interrupting motion for delivery, which significantly reduces the time loss associated with deceleration, stopping, and re-acceleration
2Ease of operation
If the robot stops to deliver the parcel, then the parcel delivery can be completed, but other robots are blocked and chain effects reduce average sorting speed
Solution Approach 1:
The patent applies dynamics by allowing robots to remain in motion during parcel delivery, preventing them from becoming stationary obstacles to other robots. This dynamic delivery approach eliminates the blocking effect that occurs when robots stop completely, maintaining higher average sorting speeds across the entire system
Solution Approach 2:
The patent implements continuity of useful action by ensuring that robots maintain their movement throughout the delivery process. This continuous motion prevents robots from blocking pathways and eliminates chain effects that would otherwise propagate through the system, thereby preserving overall productivity and average sorting speed
3Manufacturing precision
If the robot decelerates and stops for delivery, then accurate parcel placement is achieved, but energy consumption increases due to repeated acceleration and deceleration
Solution Approach 1:
The patent applies the dynamics principle by maintaining robot motion during parcel delivery rather than requiring complete stops. The robot dynamically controls its movement parameters during the delivery process, achieving accurate parcel placement while avoiding the energy-intensive cycles of deceleration to zero and subsequent re-acceleration
Solution Approach 2:
The patent implements continuity of useful action by eliminating the stop phase in the delivery cycle. The robot maintains continuous motion, which avoids the energy loss associated with repeated acceleration and deceleration events, thereby reducing overall energy consumption while still achieving precise parcel placement through controlled delivery parameters
Data Source
AI summary
Provided are a parcel dropping method for a parcel picking system, a picking robot, and a picking system. The method includes providing a conveying device; operating the conveying device to receive a parcel and move towards a delivery target; and operating the conveying device to deliver the parcel to the delivery target after the conveying device moves to a delivery region. The motion speed of the conveying device is not equal to zero when the conveying device delivers the parcel.