Building An EtherCAT Six-Axis Collaborative Robot Based On Model Design

In the context of “Industry 4.0”, more and more innovative models of intelligent manufacturing are attracting attention from countries around the world. Collaborative robots, as an important part of the “Fourth Industrial Revolution”, are breaking through in a brand-new field with advantages such as high cost-effectiveness, high flexibility, high safety, and a wide range of application scenarios, and are changing the landscape of global manufacturing.

Although the domestic collaborative robot industry is developing rapidly, some issues still exist.

The greatest advantage of collaborative robots lies in the organic integration of the efficiency of robots and the initiative of humans to achieve human-robot collaboration, accelerate work completion, and promote the development of manufacturing enterprises.

However, although there are many domestic collaborative robot companies, there are few that master core technologies and have a long-term technical accumulation. Some collaborative robot companies still rely on foreign companies for imports during the development process of collaborative robot joints due to high and time-consuming technical development costs,in the process of developing collaborative robot joints.

The market for robots and core components dominated by foreign companies, product costs and prices make it difficult for SMEs to apply robots, thus limiting the speed of domestic companies in applying robots. Therefore, driven by application demand,achieving independent research and development and localization of core components will undoubtedly be the long-term development path for collaborative robots.

In this context, what can technology companies that master core technologies do?

Taking Zhongke Shengu as an example, the core R&D team of Zhongke Shengu,has broken through a series of key technologies for collaborative robots, developing core components such as servo motors, drive controls, and core algorithms,while reducing R&D and material costs, enhancing the ability of independent R&D of core components and integrating technology with partner companies, promoting the application of collaborative robots in industrial, agricultural, and various scenarios.

For example, in cooperation with Guangdong Borangte Robot Co., Ltd., Zhongke Shengu has achieved easy collision protection, trajectory playback, and other functions on collaborative robots through the independently developed core driver, reducing the originally lengthy R&D cycle to three months,quickly enhancing its core strength and preparing for subsequent development work of robot drivers, seizing the domestic collaborative robot market.

Core Servo Drive Technology Empowers Robot Industry Development

MBD Engineering Development Method, Improve Development Efficiency by 50%

In the development of collaborative robots, if using traditional development methods, it requires going through project design, concept structure, project establishment, operation and maintenance, verification, and other links, which are cumbersome, complex, and have high costs in time, manpower, and material resources.

Zhongke Shengu adopts a Model-Based Design (MBD) development method, breaking the original product development thinking, transferring design tasks from the laboratory and on-site to the desktop, changing the original product development methods of researchers,and is a mathematical and visual method to solve engineering problems such as complex control, signal processing, and algorithm design verification.

Building An EtherCAT Six-Axis Collaborative Robot Based On Model Design

01 Graphic Design

Graphical design based on Simulink models has a high degree of visualization, clear ideas, clear goals, easy to understand, and facilitates error finding and maintenance.

02 Early Verification

In the software development process, discovering bugs as soon as possible is crucial to the entire development process. The traditional development model uses review methods to find errors, and the efficiency of reviews is very low. Simulink model simulation is far more efficient than reviews and can easily identify problems in the design.

03 Embedded Code Auto-Generation

Simulink provides development modules for specific chips (such as DSP), and the programs designed based on Simulink models can automatically generate C code for download to control chips, significantly improving development efficiency.

04 Document Automation

After the software is released, engineers do not like to write software documentation. Model-based design can help us achieve document automation, with most documents automatically generated by Simulink software.

Zhongke Shengu Independently Develops High-Performance Drivers

In this project, the high-performance servo drivers DSP28069M and LAN9252 independently developed by Zhongke Shengu’s R&D team played a crucial role in the successful development of the project.

Among them,the 28069M driver comes with an algorithm library, integrating the motor parameter identification program, and is suitable for all three-phase asynchronous and synchronous motors.The program can identify the stator resistance, rotor resistance (ACIM), stator inductance, rated magnetic flux (PMSM), and rated induced current (ACIM), and has a FAST observer.

Building An EtherCAT Six-Axis Collaborative Robot Based On Model Design

(InstaSPIN-FOC Block Diagram)

LAN9252 is a 2/3 port EtherCAT slave controller integrated with two Ethernet PHYs,including a full-duplex 100BASE-TX transceiver and supporting 100Mbps (100BASE-TX), supporting 3 Fieldbus Memory Management Units (FMMU) and 4 SyncManagers, mainly used in motor control, process/factory automation, communication modules, interface cards, sensors, and pneumatic valve systems.

Building An EtherCAT Six-Axis Collaborative Robot Based On Model Design

Sharing of the EtherCAT Six-Axis Collaborative Robot Project Developed Based on Model Design (MBD)

In March 2022, Zhongke Shengu officially launched a series of live courses that focus on technical sharing, held twice a month, continuously sharing project development processes and new technologies. This project live broadcast is hosted by CAA China Automation Society, with Shengu Academy, Robot Lecture Hall, and Zhongke Shengu Group as the organizers.

Course Outline

Application of Model-Based Design (MBD) Development Method in R&D

Key Technologies in EtherCAT Six-Axis Collaborative Robot Development Process

Sharing of Development Process and Difficulty Analysis of EtherCAT Six-Axis Collaborative Robot

How to Carry Out Teaching Experiments in Robotics Engineering Majors in Universities

Shengu Academy Learning Exchange Group

To facilitate better communication,Shengu Academy has also established a group for robot enthusiasts,allowing enthusiasts in the AI and robotics-related industries to ask questions, exchange ideas, and learn from each other; just add the assistant to apply for group entry.

“When industry thrives, all industries thrive; when industry is strong, cities are strong.” Collaborative robot technology is a new type of robotic technology that has emerged in recent years, playing a crucial role in personal growth, improving production line efficiency for enterprises, and promoting the integration of production and education in universities.Shengu Academy is willing to share the most cutting-edge robot technology and the richest development experience with everyone, jointly cultivating the development of the collaborative robot industry and empowering intelligent manufacturing.

Building An EtherCAT Six-Axis Collaborative Robot Based On Model Design

Interested partners are welcome to listen to the “Sharing of the EtherCAT Six-Axis Collaborative Robot Project Based on Model Design (MBD)” on May 31 at 19:30,to exchange and learn together.

Source | Shengu Robot Advanced Training Class

Layout | Maizi

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Building An EtherCAT Six-Axis Collaborative Robot Based On Model Design

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