23-06-2012, 03:25 PM
ADAPTIVE CONTROL MACHINING
ADAPTIVE CONTROL MACHINING.ppt (Size: 169.5 KB / Downloads: 38)
INTRODUCTION
ADAPTIVE CONTROL MACHINING(AC) ORGINATED OUT OF RESEARCH IN EARLY 1960’S SPONSERED BY THE US AIRFORCE.
AC USES MICROPROCESSER BASED CONTROLS AND IS TYPICALLY INTEGRATED WITH A EXISTING CNC SYSTEM.
ADAPTIVE CONTROL
AC POSSESSES ATTRIBUTES OF BOTH FEED-BACK CONTROL AND OPTIMAL CONTROL
FEATURE THAT DISTINGUISHES AC CONTROL FROM OTHER TWO TYPES IS THAT AN AC SYSTEM IS DESIGNED TO WORK IN A TIME VARYING ENVIORNMENT
AN AC SYSTEM IS DESIGNED TO OPERATE FOR THE CHANGING ENVIORNMENT BY MONITORING ITS PERFOMANCE AND ACCORDINGLY SOME ASPECTS OF ITS CONTROL MECHANISM TO ACHIEVE OPTIMAL OR NEAR OPTIMAL PERFOMANCE
AN AC EVALUATES ITS PERFOMANCE WITHIN THE ENVIORNMENT AND MAKES NECESSARY CHANGES IN ITS CONTROL CHARACTERISTICS TO IMPROVE OR IF POSSIBLE TO OPTIMIZE ITS PERFOMANCE .
ADAPTIVE CONTROL SYSTEM
AC OF METAL WORKING PROCESS IS A LOGICAL EXTENSION OF THE NUMERICAL CONTROL AND COMPUTER CONTROL
IN NC PROCESS THE CUTTING SPEED AND FEEDS ARE PRESCRIBED BY THE PART PROGRAMMERS.
CONCLUSION
FOR A MACHINING OPERATION AC IS THE BEST METHOD FOR CONTROLLING THE PROCESS.
IT HAS BEEN ESTABLISHED THAT IT WAS POSSIBLE TO INCREASE THE METAL REMOVING RATE BY 35% TO 45% BY USING AC TECHNIQUES.
ADAPTIVE CONTROL MACHINING.ppt (Size: 169.5 KB / Downloads: 38)
INTRODUCTION
ADAPTIVE CONTROL MACHINING(AC) ORGINATED OUT OF RESEARCH IN EARLY 1960’S SPONSERED BY THE US AIRFORCE.
AC USES MICROPROCESSER BASED CONTROLS AND IS TYPICALLY INTEGRATED WITH A EXISTING CNC SYSTEM.
ADAPTIVE CONTROL
AC POSSESSES ATTRIBUTES OF BOTH FEED-BACK CONTROL AND OPTIMAL CONTROL
FEATURE THAT DISTINGUISHES AC CONTROL FROM OTHER TWO TYPES IS THAT AN AC SYSTEM IS DESIGNED TO WORK IN A TIME VARYING ENVIORNMENT
AN AC SYSTEM IS DESIGNED TO OPERATE FOR THE CHANGING ENVIORNMENT BY MONITORING ITS PERFOMANCE AND ACCORDINGLY SOME ASPECTS OF ITS CONTROL MECHANISM TO ACHIEVE OPTIMAL OR NEAR OPTIMAL PERFOMANCE
AN AC EVALUATES ITS PERFOMANCE WITHIN THE ENVIORNMENT AND MAKES NECESSARY CHANGES IN ITS CONTROL CHARACTERISTICS TO IMPROVE OR IF POSSIBLE TO OPTIMIZE ITS PERFOMANCE .
ADAPTIVE CONTROL SYSTEM
AC OF METAL WORKING PROCESS IS A LOGICAL EXTENSION OF THE NUMERICAL CONTROL AND COMPUTER CONTROL
IN NC PROCESS THE CUTTING SPEED AND FEEDS ARE PRESCRIBED BY THE PART PROGRAMMERS.
CONCLUSION
FOR A MACHINING OPERATION AC IS THE BEST METHOD FOR CONTROLLING THE PROCESS.
IT HAS BEEN ESTABLISHED THAT IT WAS POSSIBLE TO INCREASE THE METAL REMOVING RATE BY 35% TO 45% BY USING AC TECHNIQUES.