US 12,442,743 B2
Method and system for determining the mechanical state of an agricultural land
Serafín López-Cuervo Medina, Legazpia (ES); Francisco Lamas López, Legazpia (ES); and Miren Bakarne Lazcano Lasa, Legazpia (ES)
Assigned to Bellota Agrisolutions, S.L., Guipuzcoa (ES)
Appl. No. 17/442,677
Filed by Bellota Agrisolutions, S.L., Legazpia (ES)
PCT Filed Mar. 12, 2020, PCT No. PCT/ES2020/070174
§ 371(c)(1), (2) Date Sep. 24, 2021,
PCT Pub. No. WO2020/193826, PCT Pub. Date Oct. 1, 2020.
Claims priority of application No. 201930272 (ES), filed on Mar. 26, 2019.
Prior Publication US 2022/0163436 A1, May 26, 2022
Int. Cl. A01B 79/00 (2006.01); A01B 63/14 (2006.01); G01N 3/40 (2006.01); G01N 33/24 (2006.01)
CPC G01N 3/405 (2013.01) [A01B 63/14 (2013.01); A01B 79/005 (2013.01); G01N 33/24 (2013.01); G01N 33/245 (2024.05); G01N 2203/0658 (2013.01); G01N 2203/0676 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method for determining the mechanical state of an agricultural land comprising:
obtaining, by a sensor means arranged in a tillage element of an agricultural machine, measurements of a vibratory signal, wherein the vibratory signal is produced as a result of the contact of the tillage element with the agricultural land during a tillage operation;
sending, by communication means, the measurements obtained from the vibratory signal to a processor module, wherein the measurements obtained from the vibratory signal are grouped into data packets;
transforming, by the processor module, the measurements of the vibratory signal grouped into data packets into a frequency signal;
obtaining a power spectral density (PSD) signal starting from the frequency signal;
comparing a first energy pattern, wherein the first energy pattern corresponds to amplitude measurements of the PSD signal in a certain frequency band, with a plurality of energy patterns from a database, wherein the plurality of energy patterns from the database are associated with different mechanical states of the land assigned as a function of prior measurements by means of a penetrometer; and
determining the mechanical state of the agricultural land as a result of the comparison of the first energy pattern with the plurality of energy patterns stored in the database.