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Soil humidity information obtaining system used for precision agriculture

24 Nov 2017-
TL;DR: In this paper, a soil humidity information obtaining system for precision agriculture is presented, which consists of a sensor, a data collection module, a communication module and a data processing center.
Abstract: The present invention provides a soil humidity information obtaining system used for precision agriculture. The soil humidity information obtaining system comprises a soil humidity monitoring module, a data collection module, a communication module and a soil humidity information processing center. The soil humidity monitoring module is used to obtain the surrounding soil humidity information via a soil humidity sensor connected with the soil humidity monitoring module and process the soil humidity information, and is communicated with the data collection module in a network; the data collection module is used to receive the soil humidity information coming from the soil humidity sensor, package the soil humidity information, then send to the communication module, and send the instruction information to the soil humidity monitoring module; and the soil humidity information processing center is used to receive, store and analyze the soil humidity information and control and manage the soil humidity monitoring module. The soil humidity information obtaining system of the present invention can obtain the soil humidity information intelligently.
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Patent
24 Jul 2018
TL;DR: In this paper, a portable soil permeability determining device and a measuring method using same are presented. But the authors do not reveal the measurement method. And they do not discuss the control mechanism of the device.
Abstract: The invention discloses a portable soil permeability determining device and a measuring method using same. The portable soil permeability determining device comprises a mechanical auxiliary installingmechanism, an iron soldering type sensor probe and a control mechanism, wherein the mechanical auxiliary installing mechanism is symmetrically and divergently provided with a plurality of telescopicmechanical arms from the center to outside; a plurality of fixed sleeves are equidistantly arranged on the mechanical arms; the fixed sleeves in the same corresponding position of each mechanical armare located on a concentric circle; the iron soldering type sensor probe is longitudinally arranged in the fixed sleeves and is downwards inserted into to-be-detected soil at a certain distance; the iron soldering type sensor probe is internally and longitudinally provided with a plurality of humidity sensors at intervals; the control mechanism is respectively in communication connection with thehumidity sensors and remote monitoring equipment. The portable soil permeability determining device disclosed by the invention adopts a modular design, has a Wifi (Wireless Fidelity) wireless networkcommunication function, is capable of realizing a micro-irrigation system by matching with a micro-irrigation spray head and remedying the blank of existing like products in China, and is beneficial for reducing staff and increasing the working efficiency.
References
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Patent
20 Jul 2016
TL;DR: In this article, the authors proposed a data fusion and intelligent searching processing method for multiple data sources, and an application, where sensors are arranged in a planar layout, the sensor nodes are arranged on one same plane to form a sensing network, data fusion comprises data fusion through multiple same-type sensors and data fusion via multiple different types of sensors, data characteristics and data types of the sensors are acquired by employing a polling mode, redundancy processing on the data is carried out when acquisition is conducted by an acquisition node and an self-adaptive algorithm based on batched estimation is
Abstract: The invention relates to the sensor data processing technology field and particularly relates to a data fusion and intelligent searching processing method for multiple data sources, and an application. According to the method, sensors are arranged in a planar layout, the sensors are arranged on one same plane to form a sensing network, data fusion comprises data fusion through multiple same-type sensors and data fusion through multiple different-type sensors, data characteristics and data types of the sensors are acquired by employing a polling mode, redundancy processing on the data is carried out when acquisition is carried out by an acquisition node, and an self-adaptive algorithm based on batched estimation is employed. Through the method, the data of each sensor is dynamically acquired, the identification time of a system for the sensor data is prolonged, data precision is improved, data accuracy is improved, identification reliability of the system is improved, the method is suitable for occasions having a relatively large quantity of same-type sensors, relatively large data amount and same-type-sensor-in-one-same-plane layout, and data fusion in plantation environments and farmland climate monitoring multi-sensor environments can be realized through the method.

16 citations

Patent
26 Jul 1991
TL;DR: In this article, a moisture stabilization control system is used to prevent structural damage to foundations due to forces exerted by the expansion and contraction of underlying soil, which can provide water to the soil in specified zones, thereby relieving localized depletions and preventing substantial structural damage.
Abstract: The present invention is a moisture stabilization control system used to prevent structural damage to foundations resulting from forces exerted by the expansion and contraction of underlying soil. Stress sensors are employed to monitor the stress applied against the foudnation. When abnormal amounts of stress are sensed by the system, it compensates for the decreased support of the foundation by injecting water into the soil supporting that foundation until the level of stress is equalized and at the proper amount. The present invention is designed such that it can provide water to the soil in specified zones, thereby relieving localized depletions and preventing substantial structural damage to any foundation.

13 citations

Patent
09 Jul 2014
TL;DR: In this paper, an anomaly detection method based on multi-dimensional Epanechnikov kernel density estimation is proposed, which sequentially comprises the steps that (1) data at all distribution nodes are collected respectively, and then abnormal value diagnosis is conducted through a sampling method using kth closest distance.
Abstract: The invention relates to an anomaly detection method based on multi-dimensional Epanechnikov kernel density estimation. By means of the method, abnormal data can be accurately detected. According to the technical scheme, the anomaly detection method based on multi-dimensional Epanechnikov kernel density estimation sequentially comprises the steps that (1) data at all distribution nodes are collected respectively, and then abnormal value diagnosis is conducted through a sampling method based on the kth closest distance; (2) a normal data sample is formed in a cluster head node sliding window, and a kernel density estimation model is established in the cluster head node sliding window according to the sample; (3) the kernel density estimation model is sent to all the distribution nodes, and each distribution node judges whether data arriving at the distribution node at the next moment are abnormal or not through the kernel density estimation model; (4) at each time interval T, each distribution node actively sends the normal data in the latest period of time to the cluster head node; (5) the step (1) is returned to.

12 citations

Patent
11 Aug 2010
TL;DR: In this article, a soil humidity sensor network system based on interval adjustment, which comprises soil humidity sensing equipment, data collection equipment and data teletransmission equipment and system management equipment, is presented.
Abstract: The invention relates to a soil humidity sensor network system and a method for acquiring soil humidity information, which belong to the technical field of wireless sensor networks. In order to realize the effective acquisition of the soil humidity information in farm fields, the invention provides a soil humidity sensor network system based on interval adjustment, which comprises soil humidity sensing equipment, data collection equipment, data teletransmission equipment and system management equipment. After the system and the method are adopted, the network size can be enlarged effectively and transmission data can be pressed effectively according to application requirements and the sensing accuracy of an external sensor, so unnecessary resource waste is avoided and the optimization of the sensor networks is realized based on application. The practical application proves that the system and the method can cooperate with an irrigation system better to achieve the good effect of automatic irrigation.

8 citations

Patent
07 Dec 2016
TL;DR: In this article, the authors proposed an electrovalence execution exception judgment method, which comprises the steps of obtaining historical electrical load data of a user of each electricity consumption type, clustering the historical load data, generating a plurality of target load track curves, calculating the similarity between the real-time electricity consumption load data and each target load tracking curve, and determining the user with the similarity smaller than a preset similarity threshold value as the electrovalENCE execution exception user.
Abstract: The invention provides an electrovalence execution exception judgment method. The method comprises the steps of obtaining historical electrical load data of a user of each electricity consumption type, clustering the historical electrical load data, generating a plurality of target load track curves, obtaining real-time electricity consumption load data of the user to be detected, calculating the similarity between the real-time electricity consumption load data and each target load track curve, and determining the user with the similarity smaller than a preset similarity threshold value as the electrovalence execution exception user. It is thus clear that by adopting the scheme, the electrovalence execution exception user can be determined, and then the stability of the electricity consumption system is ensured.

8 citations