Sensor cable-based tank leak detection system

Luo, Kaiwen; Shui, Aishe; Li, S.; Li, Zhiyu; Chen, Jiachuan

doi:10.1109/ccdc.2011.5968394

Cited by 2 publications

(1 citation statement)

References 3 publications

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“…Most industrial smart instrumentations utilize RTU mode to transmit data. The master and slaves in the same network must use the same communication mode and transmission rate [3][4][5][6][7]. The microcontroller STC89C516 reads/writes data from/to the flow-meter based on the Modbus RTU communication protocol by the RS-485 interface.…”

Section: A Mass Flow-metermentioning

confidence: 99%

Remote Monitoring and Management System of CNG Flow based on Modbus RTU Protocol

Cao

2014

Int. J. Onl. Eng.

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Abstract—A remote measurement, control and management system of CNG flow is presented based on Modbus RTU communication protocol and non-contact IC card. The system realizes parameter settings, CNG cumulative flow collection, history record inquiry, remote data transmission, real-time display, sound and light alarm with the core chip STC89C516. Both the Coriolis mass flow-meter and the upper computer serially communicate with the microcontroller by the RS485 interface based on Modbus RTU protocol. The non-contact IC card and the password entered by the keyboard are used to modify the system parameters. The strict password protection system is designed to ensure the data security in the IC card. The test results show that the system can smoothly run, safely, accurately and flexibly acquire data, remotely transmit data and display. The system has the advantages of simple operation, high precision, strong anti-interference ability and low circuit cost, which has broad application prospects.

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Section: A Mass Flow-metermentioning

confidence: 99%

Remote Monitoring and Management System of CNG Flow based on Modbus RTU Protocol

Cao

2014

Int. J. Onl. Eng.

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A Low Power Automatically Warning System Based on Wireless Sensor Network

Chen¹,

Li²

2013

JCM

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Aiming at various water storage facilities, the number of which is generally large and whose distribution is not centralized in the industrial and civil buildings, this paper proposed a multi-channel water level telemetry and low power automatically warning system based on wireless sensor network. The sensor nodes of the proposed system could monitor water levels and transmit sensing data to the sink node periodically. The host server analyzed sensing data received from the sink node. Meanwhile, it made decisions according to the multigrade cycle comparison algorithm proposed in this paper to improve the alarm accuracy. Experiment result indicated that it could not only improve the alarm sensitivity of the system, but also avoid error judgment to a large extent. When a leakage emergency happened, the host server sends an alert message to the alert terminal, through the sink node. In addition, SMS server is added to the system architecture to automatically send emergency messages to related emergency processing offices for dealing with it timely. The design of sensor nodes adopts the sensing data selective transmission mechanism and the node transmission power adaptive mechanism to reduce power consumption. The experiment result indicates that the energy reducing effect is significant. The communication performance of the system network was tested and the experimental results show that the system has good reliability and real-time performance. By testing the system operations, the good performances of alarm accuracy and low power are verified.

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Sensor cable-based tank leak detection system

Cited by 2 publications

References 3 publications

Remote Monitoring and Management System of CNG Flow based on Modbus RTU Protocol

Remote Monitoring and Management System of CNG Flow based on Modbus RTU Protocol

A Low Power Automatically Warning System Based on Wireless Sensor Network

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