torsional vibration analysis it is an important vibration analysis method for evaluating torque and vibration in rotating mechanical systems. By analyzing multiple sets of signals at the same time, supporting multiple types of encoders and angle sensors, and performing digital filtering to reduce noise interference, the torsional vibration analysis system can provide accurate torque and vibration data to help users identify problems in time and take appropriate measures to ensure the normal operation of the equipment. This paper will discuss the principle, method and application of torsional vibration analysis.

1. Principle

the torsional vibration analysis system can obtain torque and vibration data at different positions in the mechanical system by collecting and analyzing multiple sets of signals at the same time. The system supports various types of encoders and angle sensors, which can accurately measure the rotation angle and speed of the rotor. The angle trigger value is adjustable, the range is 0~40V, and the program is adjustable to meet the needs of different systems. At the same time, the system performs digital filtering on the speed signal, which can effectively reduce the interference of noise and improve the accuracy and reliability of the data.

2. Methods

the working method of the torsional vibration analysis system mainly includes the following steps:

• signal acquisition: Multiple sets of signals are collected at the same time, including torque, vibration, speed and other data, and the rotation angle and position of the rotor are obtained in real time through encoders and angle sensors.

• digital filtering digital filtering is performed on the speed signal to remove the noise component in the signal and improve the clarity and stability of the signal.

• Data analysis: Analyze and process the collected data, calculate the torque and vibration amplitude, frequency and other parameters, and identify the problems and anomalies in the system.

• Problem diagnosis: Diagnose the operating status of the system according to the analysis results, find and solve the abnormal torque and vibration in time, and ensure the normal operation of the equipment.

3. Application

torsional vibration analysis system has a wide range of applications in machinery manufacturing, aerospace, automotive industry and other fields. Specifically include the following aspects:

• rotating machinery monitoring: Used to monitor the torque and vibration in the rotating machinery system, prevent equipment failure and damage, and extend the service life of the equipment.

• Powertrain: Used to analyze the torque transmission and vibration characteristics in the power transmission system, optimize the system design and operation, and improve the transmission efficiency and stability.

• Engine Performance Assessment: Used to evaluate the performance and stability of the engine, diagnose the problems existing in the engine operation, and improve the working efficiency and reliability of the engine.

• aerospace field: Used to monitor the torque and vibration of aircraft engines and rotor systems to ensure the safe operation of aircraft.

The torsional vibration analysis system can provide accurate torque and vibration data by analyzing multiple sets of signals at the same time, supporting multiple sensors and encoders, digital filtering and other methods, helping users to find problems in time and take corresponding measures. Torsional vibration analysis system plays an important role in machinery manufacturing, aerospace, automotive industry and other fields, providing strong support for improving equipment performance, prolonging equipment life and ensuring safe operation of equipment.