Relay Communication Switching With Predictive Control Adjustment
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Solution Overview
Problem
Existing communication systems between a relay device and a device to be controlled face instability due to changes in communication characteristics, which can affect control operations.
Innovation Solution
Implementing a relay device with multiple communication units differing in method and channel, allowing autonomous switching based on a switching policy, and providing prediction and notification of communication characteristics to the control device for adaptive control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the relay device autonomously switches the use set of communication units to stabilize communication, then communication stability is improved, but communication characteristics change and affect control accuracy
Solution Approach 1:
The relay device includes a notification unit that notifies the control device of the switched use set, and the control device adjusts control parameters based on this feedback. This closed-loop feedback mechanism allows the system to maintain control accuracy despite communication characteristic changes caused by autonomous switching.
Solution Approach 2:
The control device changes control parameters according to the notified use set information. By dynamically adjusting control parameters based on the current communication configuration, the system compensates for communication characteristic variations and maintains control precision.
2Reliability
If multiple communication units with different methods and channels are provided, then communication stability is improved, but device complexity increases
Solution Approach 1:
The relay device includes a communication control unit that autonomously manages the switching of communication units based on communication quality. This self-service capability eliminates the need for external control of switching operations, simplifying the overall system architecture while maintaining multiple communication units for reliability.
Solution Approach 2:
The system dynamically switches between different communication units based on real-time communication quality assessment. This dynamic adaptation allows the relay device to optimize communication stability without requiring all communication units to be actively managed simultaneously, reducing operational complexity.
3Reliability
If autonomous switching of communication units is implemented, then communication stability is improved, but loss of information occurs regarding communication characteristic changes
Solution Approach 1:
The notification unit provides feedback to the control device about the switched use set, ensuring that information about communication characteristic changes is preserved and transmitted. This prevents information loss by maintaining awareness of the current communication configuration at the control device.
Data Source
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AI summary
In a relay device (20), a prediction unit (24) predicts an overall communication characteristic of a planned switching set selected by a communication control unit (23). A notification unit (25) notifies a control device (10) of a notification signal including a prediction communication characteristic predicted by the prediction unit (24). In the control device (10), a control unit (11) performs control for a device to be controlled (30) based on a "control parameter value." A change unit (12) changes the control parameter value used by the control unit (11) based on the prediction communication characteristic notified from the relay device (20).