Regular Maintenance Methods for CAN Bus Faults – Part 1

Regular Maintenance Methods for CAN Bus Faults - Part 1

When the CAN bus malfunctions or data transmission is abnormal, various strange fault phenomena often occur, such as abnormal dashboard displays, inability to start the vehicle, failure to turn off after starting, decreased vehicle performance, and loss of certain electronic control system functions. This is because relevant data or information is transmitted through the CAN … Read more

Common Maintenance Methods for Automotive CAN Bus Failures – Part 2

Common Maintenance Methods for Automotive CAN Bus Failures - Part 2

4. Short Circuit of CAN L to Ground When a short circuit occurs between CAN L and ground, due to the fault tolerance characteristics of the CAN bus, the entire CAN network may be unable to communicate or generate related fault codes. However, for certain vehicle models, such as Haima, the fault tolerance characteristics of … Read more

Common CAN Bus Faults and Troubleshooting Methods

Common CAN Bus Faults and Troubleshooting Methods

To begin with, let’s recall what the normal operating voltages of CAN_H and CAN_L are. When there are issues with the CAN bus, it is often accompanied by various faults, such as abnormal dashboard displays, the vehicle failing to start, or failing to turn off after starting, etc. We will mainly introduce the 8 common … Read more

Common CAN Bus Faults and Troubleshooting Methods – Part 2

Common CAN Bus Faults and Troubleshooting Methods - Part 2

5. Short Circuit of CAN L to Power (Positive) When a short circuit occurs between CAN L and the power (positive), due to the fault tolerance characteristics of the CAN bus, the entire CAN network may be unable to communicate or generate related fault codes. Because of the short circuit of CAN L to the … Read more

Analog Circuit Fault Diagnosis Using Optimal Wavelet Basis and Fuzzy SOM

Analog Circuit Fault Diagnosis Using Optimal Wavelet Basis and Fuzzy SOM

Abstract: In order to solve the difficulty of feature extraction in analog circuits fault diagnosis and to accurately classify fault pattern, a new analog circuit diagnosis method based on the combination of optimal wavelet basis, fuzzy theory and self-organizing feature map is proposed. The response signals of the analog circuit are preprocessed by wavelet transform … Read more

Understanding Automotive Embedded Software

Understanding Automotive Embedded Software

What is Embedded Software? Embedded software refers to the operating systems and development tools embedded in hardware. Its relationship in the industry is reflected as: chip design and manufacturing → embedded system software → embedded electronic device development and manufacturing. The most basic understanding of embedded software is software + hardware integration, which defines the … Read more

On-Site Application of Equipment Condition Monitoring and Fault Diagnosis Technology

On-Site Application of Equipment Condition Monitoring and Fault Diagnosis Technology

On-Site Application of Equipment Condition Monitoring and Fault Diagnosis Technology —— A Brief Analysis of the Relationship Between Traditional Diagnosis, Simple Diagnosis, and Precise Diagnosis Author: Xiao Ze Chapter One: Introduction Section One: Forum Impressions I have been logged into the vibration forum for several months now, and overall, I feel that this is a … Read more

Embedding Python in Industrial Control Systems: Device Monitoring and Fault Diagnosis

Embedding Python in Industrial Control Systems: Device Monitoring and Fault Diagnosis

Hi, friends! Today I’m going to take you on a super practical journey of learning Python. This time, we will explore how to embed Python into industrial control systems, which is like giving the factory production line a pair of “smart eyes” and a “smart brain” to monitor equipment status in real-time and quickly diagnose … Read more

Industrial Vibration Sensors: The ‘Eyes’ of Equipment Health

Industrial Vibration Sensors: The 'Eyes' of Equipment Health

In modern industrial production, the health status of equipment directly determines the stability, efficiency, and economic benefits of the production line. As a key intelligent device for equipment health monitoring, vibration sensors can accurately capture subtle abnormal signals during equipment operation, providing crucial data support for preventive maintenance. This article will comprehensively explore the working … Read more

Common Faults and Solutions of Industrial Automation Instruments

Common Faults and Solutions of Industrial Automation Instruments

Types of Industrial Automation Instruments Currently, industrial automation instruments mainly include flow instruments, pressure instruments, level instruments, temperature instruments, and online process analyzers. Flow instruments are further divided into velocity method and volumetric flow meters based on their measurement principles, as well as direct and derived mass flow meters, and various types such as rotor … Read more