US 11,906,939 B2
Lubricating oil volume adjustment system and lubricating oil volume adjustment method
Yi-Ming Chen, Taichung (TW); Tian-You Hou, Kaohsiung (TW); and Shu-Chung Liao, Taichung (TW)
Assigned to Industrial Technology Research Institute, Hsinchu (TW)
Filed by Industrial Technology Research Institute, Hsinchu (TW)
Filed on Mar. 11, 2021, as Appl. No. 17/198,270.
Claims priority of application No. 109145316 (TW), filed on Dec. 21, 2020.
Prior Publication US 2022/0197228 A1, Jun. 23, 2022
Int. Cl. G05B 13/04 (2006.01); G05B 13/02 (2006.01); G06N 3/08 (2023.01); G06N 3/044 (2023.01)
CPC G05B 13/041 (2013.01) [G05B 13/027 (2013.01); G06N 3/044 (2023.01); G06N 3/08 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A lubricating oil volume adjustment system, suitable for being connected to a machine through a data acquisition device, wherein the machine comprises a motor, the data acquisition device is coupled to the motor to acquire current information of the motor, and the lubricating oil volume adjustment system comprises:
an oil supply system, supplying a lubricating oil to the machine;
a storage device, storing a machine learning model, wherein the machine learning model is trained by a training data set comprising a plurality of pieces of the current information of the motor during operation and a plurality of temperature values measured during operation of the machine; and
a processor, coupled to the data acquisition device and the storage device, acquiring the current information of present operation of the motor by using the data acquisition device, predicting a temperature value of the machine when the motor operates under the current information by using the machine learning model,
calculating and adjusting a lubricating oil volume suitable to used by the machine during operation according to the predicted temperature value, comprising:
calculating a heat dissipation feature parameter of natural heat dissipation of the machine by using at least one heat dissipation-related parameter of the machine and a measured temperature change of the machine in a cooling stage in which the machine stops operating and supply of the lubricating oil stops;
calculating a heat influence parameter of an influence of the used lubricating oil volume on heat dissipation of the machine by using at least one heat dissipation-related parameter of the lubricating oil, a measured temperature value change of the machine, and the calculated heat dissipation feature parameter in a standby stage in which the machine stops operating and the lubricating oil is supplied; and
calculating a relationship function between the lubricating oil volume used by the machine during operation and a temperature change of the machine by using at least one operation parameter of operation of the machine, the calculated heat dissipation feature parameter, and the heat influence parameter in a heating stage in which the machine is operating and the lubricating oil is supplied, wherein the at least one operation parameter of the machine comprises one of a coefficient of friction, a stamping pressure, a diameter, a surface area of friction, and a number of stamping per minute or a combination thereof, wherein
the relationship function is configured to calculate the lubricating oil volume suitable to be used by the machine during operation under the predicted temperature value; and
controlling the oil supply system to supply the lubricating oil to the machine according to the calculated lubricating oil volume.