Wednesday, March 30, 2011

Control Operate the PLC - part 1

4.2 Operate the PLC 4.2.1 Applying Procedure of Health and Safety During implementation of the work, procedures of Health and Safety must be implemented properly so that risk of the workplace accidents can be avoided. Following example application of procedure of Health and Safety at the workplace;• Using equipment of Health and Safety Figure...
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Monday, March 28, 2011

Control Servo Motion Control

ControlServo Motion Control - PID ControlServo Motion Control - PIV ControlDC Servo motor control AC Servo Motor Control AlgorithmServo motor control - Feedforward with PIV controlTuningServo Motion Control Tuning the PID Loop ModelingMODELING OF A DC SERVOMOTORSystem Modeling - Linear Permanent Magnet Mot...
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Control Servo Motion Control Tuning the PID Loop

There are two primary ways to go about selecting the PID gains.Either the operator uses a trial and error or an analytical approach.Using a trial and error approach relies significantly on theoperator’s own prior experience with other servo systems. The onesignificant downside to this is that there is no physical insight intowhat the gains...
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Sunday, March 27, 2011

Control DC Servo motor control

NEURAL ADAPTIVE TACKING CONTROL OF ALOW SPEED DC SERVO SYSTEMHu Hongjie Chen Jingquan Er LianjieDC SERVO SYSTEMThe low speed system’s hardware setup is composed of apermanent dc motor, driving circuit, servo amplifier(PWM), a mechanical frame as an inertial load, interfacecircuit (A/D and D/A), an encoder for position sensing,and a personal...
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Control System Modeling - Linear Permanent Magnet Motors

Two types of position dependent disturbances areconsidered: cogging force and force ripple. Cogging isa magnetic disturbance force that is caused by attractionbetween permanent magnets and translator. The forcedepends on the relative position of the translator withrespect to the magnets, and it is independent of the motorcurrent. Force ripple...
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