Mobile Robot WAP Relay for Remote Sensor Anomaly Inspection
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Solution Overview
Problem
Industrial facilities face challenges in monitoring remote and isolated sensors due to the impracticality and danger of deploying power and communication lines, leading to inadequate data transmission and potential process disruptions from undetected anomalies.
Innovation Solution
Implementing long-range communication-constrained sensor packages with mobile robots equipped with wireless access points to extend communication range and facilitate data transmission, using long-range low-bandwidth transmitters to summon robots and memory storage systems for data recording and transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If wireless access points are deployed to support remote sensors, then data transmission capability is improved, but deployment cost and safety risks increase
Solution Approach 1:
A mobile robot acts as an intermediary carrier, transporting a wireless access point to remote sensor locations. This mediator enables data transmission between isolated sensors and the network without requiring permanent infrastructure deployment, thus improving data transmission capability while avoiding the complexity and safety risks of deploying fixed access points in dangerous areas.
Solution Approach 2:
The system transitions from static wireless access points to a dynamic mobile robot-based solution. The robot can move to different remote locations as needed, providing flexible and adaptive network coverage. This dynamic approach eliminates the need for multiple fixed access points, reducing deployment complexity while maintaining data transmission capability.
2Reliability
If static wireless access points are deployed in remote areas, then sensor data transmission is improved, but safety risks and deployment costs increase
Solution Approach 1:
The mobile robot serves as a safe intermediary that can enter dangerous areas to deliver wireless access points to remote sensors. By using the robot as the intermediary carrier, the system achieves reliable sensor monitoring in hazardous locations without exposing human workers to safety risks associated with deploying and maintaining fixed infrastructure in these areas.
3Reliability
If human inspection is performed on remote sensors, then sensor functionality is verified, but resource consumption and time requirements increase
Solution Approach 1:
The system implements automated sensor inspection where the mobile robot autonomously navigates to remote sensors, establishes wireless connections, and retrieves data without human intervention. This self-service approach maintains high inspection quality through automated diagnostics while dramatically improving productivity by eliminating the need for human workers to physically travel to remote and dangerous locations for routine inspections.
4Length of stationary object
If long-range low-bandwidth transmitters are used, then communication range is extended, but data transmission bandwidth is reduced
Solution Approach 1:
The system dynamically adapts transmission modes based on distance and data requirements. When the mobile robot is close to the sensor, it uses high-bandwidth short-range communication for rapid data transfer. When distant, it switches to low-bandwidth long-range communication for basic signaling. This dynamic switching resolves the contradiction by optimizing the trade-off between communication range and data transmission volume according to real-time conditions.
Data Source
AI summary
Implementations are described herein for inspecting industrial facilities using remote sensor packages and wireless access points (WAPs) carried by mobile robots. In various implementations, aspect(s) of an industrial process facility may be monitored using sensor package(s). The sensor package(s) may generate one or more sensor signals, and based on the one or more sensor signals, detect anomal(ies) of the monitored aspect(s) of the industrial facility. Responsive to detecting anomal(ies), the sensor package(s) may modulate a long-range low-bandwidth (LR-LB) signal to indicate detection of the anomal(ies) in the monitored aspect(s) of the industrial process facility. Another component of the industrial facility may identify LR-LB signal(s) representing detection of anomal(ies) by sensor package(s) and instruct mobile robot(s) to travel to area(s) of the industrial facility to receive sensor data carried by a short-range high-bandwidth (SR-HB) signal emanating from that area.