Sensor Design for Four-Electrode Electrical Resistance Tomography With Voltage Excitation

Frias, Marco A. Rodriguez; Yang, Wuqiang

doi:10.1109/jsen.2019.2899210

Cited by 8 publications

(4 citation statements)

References 25 publications

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“…Rodriguez-Frias and Yang [31] developed a 4-terminal ERT system with voltage excitation (ERTv). The sensor structure in this system includes long rectangular electrodes, with a voltage-excitation and current-sensing strategy, making it compatible with the ECT sensing mode.…”

Section: B Electrode Designmentioning

confidence: 99%

“…The sensor structure in this system includes long rectangular electrodes, with a voltage-excitation and current-sensing strategy, making it compatible with the ECT sensing mode. As described in [31], the new sensor structure consists of a large rectangular electrode and a ring terminal for measuring the inter-electrode voltages. Figure 2 shows the electrode configuration.…”

Section: B Electrode Designmentioning

confidence: 99%

“…Figure 2 shows the electrode configuration. Figure 3 shows the connection for the system to be integrated with the MFLI impedance analyser from Zurich Instruments and the multiplexing stage [31]. The sensor uses 8 electrodes installed in the interior of the pipe wall.…”

Section: B Electrode Designmentioning

confidence: 99%

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Dual-Modality 4-Terminal Electrical Capacitance and Resistance Tomography for Multiphase Flow Monitoring

Frias

Yang

2020

IEEE Sensors J.

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Section: B Electrode Designmentioning

confidence: 99%

Section: B Electrode Designmentioning

confidence: 99%

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Dual-Modality 4-Terminal Electrical Capacitance and Resistance Tomography for Multiphase Flow Monitoring

Frias

Yang

2020

IEEE Sensors J.

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“…This reduces the impact of contact impedance to a great extent. In addition, Rodriguez-Frias and Yang proposed a new electrode structure, extending the point electrodes to a connected rectangular box [25]. In this way, the average voltage within this rectangular area was calculated instead of the voltage at a specific point.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of parasitic resistance in voltage-driven electrical resistance tomography

Wang

Cao

Chen

et al. 2020

Meas. Sci. Technol.

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Electrical resistance tomography (ERT) is an effective method for monitoring electrical conductivity distribution in the field using boundary measurement information. In applications with a large pipe diameter and large load variation, voltage-driven ERT (ERTv) can overcome the limitations of current-driven ERT (ERTc). A voltage source is used in ERTv to apply an excitation signal to the electrode, and can provide a large output signal. Meanwhile, saturation will not occur when the load of the field shows large fluctuations. However, the main disadvantage of an ERTv system is that the parasitic resistance in the system has an influence on the measurement results which cannot be ignored. The existence of parasitic resistance can cause measurement errors and reduce the reliability of ERTv systems. In this paper, the influence of parasitic resistance was evaluated and the trend of variation of this effect with different background conductivities was studied. The index kr was defined to find the relationship between parasitic resistance and background conductivity. When , the reconstructed image can better reflect the actual conductivity distribution. At the same time, the applicable background conductivity range of the system can be acquired according to kr, when the value of parasitic resistance in the system is known in advance.

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Experimental Study of Optimization of Electrode Dimension for Non-invasive Electrical Resistance Tomography Application

Yasmin

Mahanum

Zawawi

et al. 2020

Lecture Notes in Electrical Engineering

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Sensor Design for Four-Electrode Electrical Resistance Tomography With Voltage Excitation

Cited by 8 publications

References 25 publications

Dual-Modality 4-Terminal Electrical Capacitance and Resistance Tomography for Multiphase Flow Monitoring

Dual-Modality 4-Terminal Electrical Capacitance and Resistance Tomography for Multiphase Flow Monitoring

Evaluation of parasitic resistance in voltage-driven electrical resistance tomography

Experimental Study of Optimization of Electrode Dimension for Non-invasive Electrical Resistance Tomography Application

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