What is Servo, servomotors and example of applications

What is Servo, servomotors and example of applications

What is servo?

Servo is the systems where the feedback or error-correction signals help control mechanical position, speed or other parameters. The function of the servo is to receive a control signal That represents a Desired position of the servo output shaft, and apply power to its DC motor until its shaft turns to That position. It uses the position-sensing device to determine the rotational position of the shaft, so it knows the which way the motor must turn to move the shaft to the commanded position. The shaft does not rotate Freely typically round and round like a DC motor, but rather can only turn 300 degrees for example.
We Often use servodrive to control servomotor

What is servodrive?

In typical applications the servo drive receives a command signal from a control system devices,
amplifies the signal, and sends electric current to a servo motor in order to Produce motion proportional to the command signal. Typically the command signal represents a Desired position, torque or speed. A sensor is the which is attached to the servo motor the motor's actual reports status back to the servo drive. The servo drive then compares the actual motor status with the commanded motor status. It then alters to
correct for any deviation from the commanded state.
Where We Can use Servos?

Two examples based on Parker Servo Products:

1. Rotary Indexer
Description: An engineer for a pharmaceutical company is designing a machine to fill vials and wants to replace an old style of the Geneva mechanism. A micro-stepping motor motion and smooth Will Provide Will Prevent spillage. The indexing wheel is aluminum and is 0250-inch thick and 7.5 "in diameter. Solving the equation for the inertia of a solid cylinder That indicates the wheel has 119.3 oz-in2. The holes in the indexing wheel Reduced the inertia to 94 oz-in2. The vials have negligible mass and may be ignored for the purposes of motor sizing. The table holds 12 vials (30 ° apart) That must index in 0.5 seconds and dwell for one second. Acceleration torque is calculated to be 8.2 oz-in at 1:33 rps2. A triangular move profile Will result in a maximum velocity of 0:33 rps. The actual torque requirement is less than 100 oz-in. However, a low load-to-rotor inertia ratio was Necessary to Gently move the vials and fill Them

  Product Solutions from Parker:
 Drive Indexer Indexer * SX Drive Motor S83-135
 * The 6200, AT6200, and Model 500 are other
 That indexer products have been used in these
 types of applications. 

2. Labelling Machine using the linear solution

Description: Bottles on a conveyor is run through a labeling mechanism APPLIES That a label to the bottle. The spacing of the bottles on the conveyor is not regulated and the conveyor can slow down, speed up, or stop at any time.
Machine Requirements:
• Accurately apply labels to bottles in motion
• Allow for variable speed conveyor
• Allow for Inconsistent distance the between bottles
• Pull the label web through the dispenser
• Smooth, consistent labeling at all speed
Solution:
A That motion controller can accept input from an encoder mounted to the conveyor and reference all of the speeds and distances of the label roll to the encoder is required for this application. A servo system is also required to Provide the torque and speed to Overcome the friction of the dispensing head and the inertia of the large roll of labels. A photosensor connected to a programmable input on the controller monitors the bottles' positions on the conveyor. The controller commands the motor to Accelerate labels to line speed by the time the first edge of the label contacts the bottle. The label motor moves at line speed until the complete label is applied, and thendecelerates to a stop and waits for the next bottle.

  Product Automation Solutions:
 Motor Controller
 APEX6152 * APEX604 

Written by Abumessi Journey on 9:50 AM Automation Engineer, Control Systems Engineer: Job Description and Requirements

Engineers Automation and Control Systems Engineers work in the automation and controls industry to automate processes like manufacturing, traffic control or food processing. Automation and Control Engineers typically have a Bachelor of Science in Automation, Electrical or Mechanical Engineering. Automation Engineers can have careers in automotive industry, biotechnology, pharmaceuticals, food processing, manufacturing or design systems.

Career Definition: Automation and Control System Engineer

Automation Engineers design, program, Simulate and test automated machinery and processes. Usually Their build control system through PLC programming and SCADA design. They typically are employed in industries Such as car or food manufacturing, where robots or machines are used to perform specific functions. Automation and Control Systems Engineers are Responsible for detailed design specifications and other documentation for Their Creations. They must be excellent troubleshooters and must stay current on technology.

How to Become an Automation Engineer or Control System Engineer

Education Requirements:

There are many degree programs in theUK in Automation, Control Engineering System Engineering. Thus, most Automation Engineers earn a bachelor's degree in Mechanical or Electrical Engineering and learn the intricacies of Automation Engineering on the job. Mechanical or Electrical Engineering courses may include robotics, statistics, fluid dynamics and databases. Some engineers pursue master's degrees.

Skill Requirements for Automation or Control Engineering

Automation and Control Systems Engineers must have a solid understanding of computer programming and software development since They frequently work with computers to program processes. They must be Able to troubleshoot equipment problems and perform complex system tests. Automation Engineers also must be creative thinkers to design automated systems.

Career and Economic Outlook for Automation Engineering for the UK.

According to the Bureau of Labor Statistics ( www.bls.gov ), manufacturing is increasingly moving toward automated processes to Reduced the amount of labor needed. Thus, Automation Engineers are expected to have good job prospects in the coming years. The average annual salary for Automation Engineers is £ 45 000, According to a survey by Automation.com.

Some skills required by Employers to hire automation and control engineer:
1.Design, specification and configuration of control and analytical systems including DCS, PLC, SCADA.
2.Participation in P & ID development up to and including HAZOP.
3.Specification of process control equipment including control valves, relief valves, flow measurement devices and other process instrumentation.
4.Production and maintenance of instrument summaries.
5.Proposal estimating, planning of project activities and the process control reporting and forecasting performance.
6.Process Control Scheme Design and Implementation;
7.Advanced Process Control Design and Implementation
8.Control Loop Tuning / Troubleshooting / Optimisation;
9.Process Simulation;
10.Safety instrumented Systems.
11.Alarm Management (191 EEMUA and ISA18.2)
12.Operator Interface Design (EEMUA 201)
13.System support and troubleshooting;
14.Control System Design;
15.Operator Training;
16.OPC interoperability standards.
17.Carry out design work for modifications and corrective work
18.Carry out technical reviews with supply management to define requirements for design thematerial.
19.Provide accurate and validated Technical Proposals and an understanding of commercial impact.
20.Confidence and ability to directly negotiate with alternative solutions
internal and external customers and can Quickly Analyse the commercial
Consequences of Such decision making