Servo Motor Wireless Relay for Network Workload Reduction
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Solution Overview
Problem
The complexity of manufacturing systems with multiple motors increases the workload for creating networks that efficiently transmit information for accurate control and energy efficiency, particularly due to the need for multiple sensors and control shafts.
Innovation Solution
A motor with integrated wireless communication capabilities that acts as a repeater, allowing for wireless transmission and reception of signals between devices within a servo system, reducing the need for additional communication lines and cabling by using both wireless and power line communication methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple motors and sensors are added to increase production efficiency and control precision, then manufacturing precision and productivity are improved, but device complexity and network creation workload increase
Solution Approach 1:
The motor is designed to perform multiple functions: it serves as both a driven device (receiving power from the first driver) and a communication relay station (using its second communicator to forward signals between the first device and second device). This multi-functionality reduces the need for separate dedicated communication infrastructure, thereby improving control precision while managing network complexity.
Solution Approach 2:
The motor acts as an intermediary device in the communication network. The second communicator in the motor relays communication signals between the first device and the second device, effectively using the motor as a mediator to simplify the network architecture and reduce the workload for creating and maintaining communication connections.
2Ease of operation
If wireless communication is implemented for information exchange between devices, then ease of operation and installation are improved, but reliability of signal transmission may worsen
Solution Approach 1:
The motor with the second communicator serves as a relay station that can receive wireless signals from the first device and forward them to the second device, or vice versa. This intermediary approach allows wireless communication to be implemented easily while maintaining reliability through the use of established communication protocols and potential signal regeneration at the motor's communication interface.
Data Source
AI summary
A network that allows exchange of information for operating a system including a motor can be created with reduced workload. A motor drivable with driving power supplied from a first driver in a servo system includes a first communicator that at least transmits or receives a predetermined signal through wireless communication between a first device and the motor included in the servo system, and a second communicator that performs predetermined communication of the predetermined signal between a second device and the motor.