| CPC G05B 19/41845 (2013.01) [G05B 19/4184 (2013.01); G05B 19/41875 (2013.01); G16Y 40/35 (2020.01)] | 12 Claims |
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1. A method for intelligent recommendation of a production process by Industrial Internet of Things (IIoT) information cloud sharing, wherein the method is implemented on a cloud platform, and the cloud platform includes a distributed server, wherein
the cloud platform connects to multiple IIoT systems corresponding to multiple factories through the distributed server; wherein the IIoT system includes an IIoT user platform, an IIoT service platform, an IIoT management platform, an IIoT sensor network platform, and an IIoT perception control platform; wherein the IIoT perception control platform is configured as a production line equipment and a data acquisition device deployed on a production line, the IIoT perception control platform is configured to realize data interaction with the IIoT management platform through the IIoT sensor network platform, and the IIoT management platform is configured to realize data interaction with the cloud platform;
wherein
the data acquisition device includes a temperature sensor and a humidity sensor deployed at at least one location on the production line; and
for each of the at least one location, the temperature sensor is configured to collect temperature data corresponding to the at least one location, the humidity sensor is configured to collect humidity data corresponding to the at least one location, and the temperature data and the humidity data constitute an environmental parameter; and
the method includes:
obtaining and storing, based on the IIoT management platform, production data of the production line;
determining, based on the production data, whether an operating parameter of the production line equipment needs to be adjusted;
in response to a determination that the operating parameter of the production line equipment needs to be adjusted,
generating, based on the production data, a production process parameter and an adjust time; wherein the generating the production process parameter includes:
generating at least one group of candidate production process parameters;
determining, based on the at least one group of candidate production process parameters, the production data of the production line, and historical production data, an estimated production characteristic corresponding to each of the at least one group of candidate production process parameters by a production characteristic model; and
determining, based on the estimated production characteristic corresponding to each of the at least one group of candidate production process parameters, the production process parameter;
wherein
the production characteristic model is a neural network model;
the production characteristic model is obtained by training based on a training sample set, and a training process of the production characteristic model includes a first training phase and a second training phase;
an input of the production characteristic model further includes a current operating parameter, a historical operating parameter, material parameter data, product parameter data, the environmental parameter, and a fault probability sequence;
training samples in the training sample set include a sample production process parameter, sample current production data, sample historical production data, a sample current operating parameter, a sample historical operating parameter, sample material parameter data, and sample product parameter data; and labels of the training samples are production characteristics corresponding to the training samples;
the first training phase is a pre-training phase before accessing a specific plant, and in the first training phase, the training samples are acquired based on a large number of generic datasets on the cloud platform; and
the second training phase is a phase of personalized and customized training based on the specific plant, in the second training phase, the training sample set includes data collected by the specific plant, and a percentage of training samples corresponding to each defect type in the training sample set is not less than a preset sample threshold;
generating, based on the production process parameter and the adjust time, a process adjustment instruction and issuing the process adjustment instruction to the IIoT management platform;
analyzing the process adjustment instruction via the IIoT management platform, and regulating, via the IIoT management platform, the operating parameter of the production line equipment through a control system of the IIoT perception control platform based on the process adjustment instruction when the adjust time is reached;
wherein the production process parameter includes at least one of a target screening parameter, a target conveying parameter, a target assembly parameter, and a target quality detection parameter, and the production line equipment includes at least one of a screening equipment, a conveying device, an assembly equipment, and a quality detection equipment;
wherein the regulating the operating parameter of the production line equipment through a control system of the IIoT perception control platform based on the process adjustment instruction includes:
regulating, based on the process adjustment instruction, a first working parameter of the screening equipment to make the operating parameter of the screening equipment reach the target screening parameter, which includes operations performed by the screening equipment, the operations including:
screening, based on the process adjustment instruction, thermostats using vision inspection in conjunction with a robotic arm,
wherein
the first working parameters of the screening equipment include a positional accuracy and a moving speed of the robotic arm, and an accuracy of a sensor set on the robotic arm;
regulating, based on the process adjustment instruction, a second working parameter of the conveying device to make the operating parameter of the conveying device reach the target conveying parameter, including:
regulating, by regulating motor power of the conveying device, conveying beat of the conveying device and conveying speed of material;
wherein
the second working parameter of the conveying device includes the motor power of the conveying device;
regulating, based on the process adjustment instruction, a first setting parameter of the assembly equipment to make the operating parameter of the assembly device reach the target assembly parameter, including:
regulating the first setting parameter of the assembly equipment by regulating parameter of a controller of an over-temperature sensor assembly equipment;
wherein
the assembly equipment comprises the over-temperature sensor assembly equipment, and
the controller is a control system that controls the assembly equipment, and the first setting parameter includes parameters related to soldering parameters, connection methods, and packaging parameters,
or
regulating, based on the process adjustment instruction, a second setting parameter of the quality detection equipment to make the operating parameter of the quality detection equipment reach the target quality detection parameter;
collecting, after execution of the process adjustment instruction, an actual production characteristic; and
dynamically adjusting, based on the actual production characteristic, the process adjustment instruction, including:
in response to a determination that a current actual effect score is increased compared with an original effect score, a previous direction of adjustment is increasing a pressure of superheat sensor encapsulation and reducing an encapsulation speed, continuing to increase the pressure of the superheat sensor encapsulation and continuing to reduce the encapsulation speed.
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