The input of multi-channel signal can collect fault feature information more comprehensively, and CNN has achieved great success in the […]
Take the detection of high-speed shaft gear as an example. The sensor data of high-speed shaft bearing position is taken
It is tested and verified on a 1.5 MW wind turbine in a wind farm. The gearbox of the fan
For variable speed rotating machinery such as fan, in the process of operation, various signals reflecting its operation information are
The ultimate goal of dynamic analysis is to design object products with high dynamic performance. The coupling dynamic model of
The data compression algorithm based on the gearbox configuration is based on the physical structure of the gearbox and the
The improved data preprocessing process is a method to extract effective data by combining gearbox configuration with real-time data acquisition
A centralized and unified monitoring center is proposed to complete the functions of real-time data acquisition and remote centralized control.
Condition monitoring of wind turbine can understand the health status of wind turbine in real time and reduce the maintenance
The hardware order tracking needs professional Keyphasor device, which has high cost, complex installation and large application scope; the order
The dynamic modeling method of multi-stage gear system under the condition of large deformation is studied. Taking the cutting part
In order to make up for the disadvantage that ICA can only be applied to the blind source separation problem
Dynamic substructure method is an effective method to analyze complex mechanical systems and structural systems. Although some scholars have used
In mechanical transmission equipment, gearbox plays an extremely important role, it is widely used in all walks of life. It
The load stroke curves of the two processes are shown in the figure. It can be seen from the figure
The traditional and improved processes are used for experimental study. The typical deformation conditions of the blank during the deformation
In this paper, the first mock exam of the internal gear of a solid cylinder with no hub hub and
The traditional closed die forging of internal gear is shown in figure (a). In the process of pressing the blank
With reliable transmission quality and efficiency, gears are widely used in mechanical field, especially in military industry, aerospace and other
The figure is the confusion matrix corresponding to the method in this paper, through which the identification of each type
Gear is of great significance to all kinds of mechanical equipment. Its performance may directly affect the service life and
In order to verify the advantages and effectiveness of intelligent fault diagnosis of gearbox bearing based on Sanc and 1d-cnn,
The parameters of neural network mainly include: learning rate, cost function, activation function, number of learning rounds, batch size, network
In order to verify the effectiveness of the proposed method, the experimental study is carried out on the zjs50 comprehensive
Combined with the signal separation ability of Sanc and the intelligent feature extraction and fault identification ability of 1d-cnn, this
Combined with the signal separation ability of Sanc and the intelligent feature extraction and fault identification ability of 1d-cnn, this
Gear reducer is a kind of closed mechanical transmission device. Its main function is to reduce the speed of input
The data in normal working state is selected as the training set of the model, with a total of 12800
LSTM principle LSTM model is a special form of recurrent neural network (RNN), which can mine the relationship between the
Data preprocessing The data comes from the unit operation data recorded by SCADA system of a wind farm in Northwest
As an important part of wind turbine, gearbox is mainly composed of gear, rolling bearing and other parts. The common
In order to verify the superiority of this method in engineering application, relevant tests are carried out on the closed
When multiple faults coexist, different fault features need to be decomposed into different intrinsic mode functions. Therefore, EEMD is needed
In the process of tractor gear transmission, the transmission load is large, the running speed is low, and the transmission
As the most commonly used mechanical transmission components, gearbox faults are very common, including gear faults, bearing outer ring, inner
Gearbox has the advantages of compact structure and high transmission efficiency, which is the most widely used transmission component at
Because the wind turbine often works in the harsh environment, the number of units is too much, so the fault
According to the analysis of the forming process of the mechanical gear forging parts, there are two main forming processes
In order to further verify the effectiveness of this modification method, the optimized gear is assembled on the transmission for
Gear modification has great influence on the vibration and noise of gear and the load distribution on the tooth surface.
There are some defects in the process of die forging, such as insufficient mold filling and cracks. In order to
Taking the gear transmission mechanism of a five speed transmission as the research object, the gear transmission mechanism model of
Gear is the most common power transmission mechanism used in various types of transmission. It has the advantages of strong
As an important transmission system of mechanical equipment, mechanical gear has the advantages of high transmission efficiency, high transmission precision,
Although the conventional design can meet the requirements of transmission function, the design scheme is not the optimal design scheme
Due to the advantages of small volume, large transmission ratio, strong bearing capacity and high efficiency, planetary gearbox is widely
Because planetary gearbox has larger transmission ratio and higher load efficiency than traditional fixed shaft gearbox, it is widely used
Wind energy is a kind of clean and renewable energy, which develops rapidly in recent years, and the installed capacity
The transmission scheme is determined according to the technical requirements for the reducer. The transmission schematic diagram and assembly drawing
Gear as the transmission device of mechanical equipment, its health has a great impact on the stability and life of
Put the two standard S-N curves together, the abscissa is the number of stress cycles, the ordinate is the contact
The rudder plays an important role in the control of flight direction and attitude. The reducer of steering gear mainly
In the calculation of the two standards, the calculation service factors of the two factors are involved. In the international
20mncr5 hardenability alloy steel, which is commonly used in Europe and China, is selected as the material for tractor gearbox
In the gear standard design of American Standard ANSI / AGMA 2001-d04 and international standard ISO / TS 6336-2, the
The cutting of spiral bevel gear is carried out according to the principle of “imaginary flat top gear”. As shown
As the core component of mechanical transmission system, planetary gearbox is widely used in various mechanical equipment. Due to the
Bevel gear is widely used in vehicle differential, machine tool transmission box and other transmission machinery. The non-circular bevel gear
In the process of gear machining, it is often affected by geometric eccentricity and motion eccentricity, and causes corresponding gear
Gear shaving cutter has a very important impact on the machining accuracy of gears. Therefore, the relevant technical operators need
