Motor-Driven Roller Auto-Configuration Using Speed Ratio Detection
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Solution Overview
Problem
Conveyor systems with motor driven rollers face challenges in ensuring the correct configuration file is saved to each roller, especially in large installations, due to the need for different models to be configured differently based on varying speed and torque ranges.
Innovation Solution
An apparatus comprising a processor and memory configured to transmit signals to the motor, receive actual rotational speeds, calculate ratios of motor to roller speed, and compare these ratios to predefined values to determine the appropriate configuration data for automatic configuration of motor driven rollers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual configuration methods are used for motor driven rollers, then configuration accuracy can be maintained, but productivity decreases due to time-consuming processes in large conveyor installations
Solution Approach 1:
The motor driven roller automatically determines its own configuration type by measuring the ratio between motor speed and roller speed. The system performs self-identification without external intervention, eliminating manual configuration steps while ensuring accurate classification based on actual operational parameters
Solution Approach 2:
The system changes the operational parameter (rotational speed) to determine the configuration type. By controlling the motor at specific speeds and measuring the corresponding roller speeds, the system calculates speed ratios that uniquely identify different MDR models and configurations, enabling automatic classification
2Productivity
If automatic configuration methods are implemented, then productivity increases, but device complexity increases due to additional sensors and control systems
Solution Approach 1:
The existing motor and roller components serve dual functions: both drive the conveyor and simultaneously enable automatic configuration identification. The motor acts as both the actuator and the measurement reference, while the roller serves as both the driven element and the identification target, eliminating the need for separate identification hardware
Solution Approach 2:
The system uses feedback from speed measurements to automatically determine configuration type. Speed sensors provide feedback on motor and roller rotational speeds, which are processed to calculate the speed ratio and identify the correct configuration file, creating a closed-loop automatic identification system
3Reliability
If configuration files are manually saved to each MDR, then reliability can be ensured through verification, but loss of time occurs during large-scale installations
Solution Approach 1:
The system performs preliminary speed measurements and ratio calculations during the initial startup phase to automatically identify the correct configuration type before operational use begins. This preliminary automatic classification eliminates the need for time-consuming manual verification while ensuring the correct configuration is applied from the start
Data Source
AI summary
Methods, apparatuses, and computer program products for automatic configuration of a motor driven roller (MDR) are provided. For example, a computer-implemented method may include transmitting a signal to a motor of an MDR to instruct the motor to rotate at a predetermined rotational speed; receiving a signal indicating an actual rotational speed of the motor; receiving a signal indicating an actual rotational speed of a roller being rotated by the motor; dividing the actual rotational speed of the motor by the actual rotational speed of the roller to obtain a ratio of motor speed to roller speed; comparing the ratio to predefined numeric values to determine if the ratio matches any of the predefined numeric values, each of the predefined numeric values being associated with predefined motor configuration data; and transmitting, to the MDR, the predefined motor configuration data corresponding to the predefined numeric value matching the ratio.