the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Development of a power station unit in a distributed hybrid acquisition system of seismic and electrical methods based on NB-IoT
Feng Guo
Shenghui Liu
Abstract. In this paper, we propose a new type of power station unit with wireless data transmission capability. This work breaks the limitation that conventional equipment is unable to upload data directly to central unit. Based on that, a novel distributed geophysical data acquisition architecture is also proposed. Designs that realize functions including isolated high-power output, power management and monitoring, high-speed data transmission as well as high-precision clock synchronization etc. are introduced in this article. The prototype was packaged then, and a series of evaluation experiments were implemented to verify the key parameters of the instrument. Experiment results proved that the overall design of the instrument is feasible, and the key parameters outperforms the industry leading instrument LAUL-428. Due to the wireless networking strategy, the proposed instrument further realizes remote control and real-time data playback through the host computer software, making it suitable for joint geophysical exploration as well as microseismic monitoring. In a sense, a new birth was also given to the conventional seismic and electrical acquisition stations.
Feng Guo et al.
Status: open (until 11 Apr 2023)
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RC1: 'Comment on gi-2022-23', Anonymous Referee #1, 26 Feb 2023
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This manuscript describes the technical realization of the power supplying unit, which is used for seismic and electrical exploration. The paper explains that the instrument developed in the study successfully addresses several shortcomings of power supplying unit or system structure currently available, including integrating wireless data transmission and networking. The experimental part shows that power supplying ability and wireless remote-control ability based on NB-IoT of the system can be applied to perform actual field measurements.
It is recommended to make minor modifications to be accepted. I have attached below comments arising from the manuscript, which might be helpful to further improve the quality of the paper.
- Please consider enhancing the abstract part. Instead of the detailed description of the functions achieved, more information such as the reason for this development or the significance of this proposed system should be given.
- Please check the grammar of ‘weights’ on P2 column 47.
- The section3.1 power board control circuit is not easy to follow, and a clearer way of description is better. Maybe an architecture description before this part.
- On P.6 column 166, please check the usage of ‘unsure’, which may lead to misunderstanding.
- Please make sure spaces between all numerals and units to keep a unified format.
- Besides NB-IoT remote control, I suggest adding wireless data transmission performance by Wi-Fi.
Citation: https://doi.org/10.5194/gi-2022-23-RC1 -
RC2: 'Comment on gi-2022-23', Anonymous Referee #2, 22 Mar 2023
reply
The manuscript described a power station unit based seismic acquisition architecture, whose performance is proved by some experiments shown in the manuscript. The manuscript is well organized, and the overall quality of figures are clear in high resolution. Giving that, I would recommend this article accepted but after several minor revisions.
Bellows are my comments for this manuscript:
- Please check the format of physicalquantities, and make sure there’s space between numbers and units.
- References of Manchester encoding should be given.
- The section 3.3.1 is not expressed in a very clear way, and could be improved to make it easy to read.
Citation: https://doi.org/10.5194/gi-2022-23-RC2 -
RC3: 'Comment on gi-2022-23', Anonymous Referee #3, 23 Mar 2023
reply
The manuscript proposes a power station scheme for seismic and electrical method for geophysical exploration. The system could supply power for more acquisition stations than the leading system Sercel 428XL and implement the direct data transmission from acquisition stations to the central unit. Both of the above characters is beneficial for seismic and electrical method. It is recommended to make major modifications to be accepted.
1. Which kind of electrical method is used in the acquisition stations? What are the differences between the seismic AS and electrical AS when interfacing the two links to PSU?
2. How is the networking method is designed using NB-Iot in terms of network topology and routing algorithm? What’s the data throughput and package latency? Is there any test launched for evaluation of these network performance?
3. As for the power test experiment, is the power consumption of cable taken into account? The electrical current of cable segments at different positions will be different due to the AC power consumption, how is the electrical model of the system composed of electrical cable and acquisition stations is constructed?
4. Is any field test is launched to validate the field performance?
5. In line 58, AC is used to denote acquisition station, while AS is used to denote the same in figure 1(b) and figure2. There are some other spell errors the author should pay attention to, such as “carry” in line 275.Citation: https://doi.org/10.5194/gi-2022-23-RC3
Feng Guo et al.
Feng Guo et al.
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