The advantage of ADS5005 servo driver in CAN bus network:
The servo driver trims and simplifies the application of a meat grinder containing a 3D laser scanner and a water jet robot. This method uses a servo driver on a CAN bus network to facilitate the control of eight independent axes.
Current technical difficulties
In beef, poultry and fish processing applications, a complex series of work is performed in order to analyze each piece of meat and cut it into the same size and weight.
Riemerzer (Beijing) Technology Co., Ltd. implemented a solution using its water injection system that uses a 3D laser scanner, a powerful computer analysis program and XY robotic water cutting meat. The system processes fish, beef, pork and turkey, trimming and cutting bones, fats and tissues. The actual mechanical system constantly conveyors meat for each specific application.
ADS5005 servo drive meat processing line configured
Each piece was first imaged by a three CCD camera and then analyzed to determine the shape and size of each piece, including finding fat lines and blood spots. In this process, the central processing unit needs to adjust the shape to cut into pieces of the same size and weight. According to the processed information, the water jet installed above the conveyor belt is assembled into a real slide of a linear slide. To run systems in multiple directions, a multi-axis controller was originally used to send analog current commands to a current-mode amplifier on the axis of a centralized system. This plan, if you want to succeed, will require many encoder wires and connectors, current commands, enable/disable commands and various I/O commands, which in turn will result in a very strict and expensive system. The attempt to simplify the configuration of using RS-232 communication failed because it needed to reuse up to 8 ports and increase the communication speed. It also cannot support advanced dynamic needs.
There is an urgent need for a solution to manage six to eight different high-speed AC axes, while also reducing the number and complexity of cabling and providing flexibility in designing for customer applications.
solution
The ADS5005 digital servo driver was used to control the repetitive operation of the waterjet cutting head mounted on the conveyor. Another servo motor controls the conveyor belt motor. An optical probe that performs three-dimensional scanning is connected to a PC, which performs analysis of the target and determines the man-machine interface of the motion trajectory and management. In order to simplify and improve the communication between the axis of the conveyor and the robot, the ADS5005 motor control assists the system designers. The same control and analysis computer is installed at the implemented CANopen distributed network access layer.
Processed information, items cut into uniform unit weights or shapes
Fast and flexible
Using the innovative multi-axis network solution and ADS5005 digital servo driver, the product processing system has been greatly improved in speed, flexibility and cost savings. The CANopen network solves the problem of communication speeds while providing great adaptability to new settings, which may include adding axes and different I/O requirements. Single-axis control is straightforward and efficient, just like motion interpolation between multiple axes. Servo drives and integrated CANopen have proven to be a very successful solution.
Digital servo driver
Programmable brushed and brushless servo drive series will bring high performance, advanced, automated machinery. It uses analog current loops, and digital speed and trapezoidal position loops. The ADS5005 servo drive accepts inputs from 10 to 200 volts and delivers up to 3 kilowatts of output power. Standard incremental optical encoders and Hall sensors feed back information to the ADS5005 servo driver. ADS5005 servo driver can use RS-232 or CANopen communication in a network operation. It has analog input and digital input, digital output. It got a composer software suite that highlighted Elmo's proprietary auto-tuning auto-setup, analysis, and programming capabilities.
Digital servo driver
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