Detection in Milling Operations using aNegative - Selection Algorithm
نویسندگان
چکیده
Detection of tool breakage is very important for automated machining operations. This paper presents a negative-selection algorithm for tool breakage detection. The method is inspired by the defense mechanism of the immune system, which discriminates between self and non-self. Here self is deened to be normal cutting operations and non-self is any deviation beyond allowable variation of the cutting force. The proposed algorithm is illustrated with a simulation study of milling operations and the performance of the algorithm in detecting the occurrence of tool breakage is reported. The negative-selection algorithm detected tool breakage in all the test cases.
منابع مشابه
Breakage Detection in Milling Operations using aNegative - Selection Algorithm
Detection of tool breakage is very important for automated machining operations. This paper presents a negative-selection algorithm for tool breakage detection. The method is inspired by the defense mechanism of the immune system, which discriminates between self and non-self. Here self is deened to be normal cutting operations and non-self is any deviation beyond allowable variation of the cut...
متن کاملMachining Parameters Selection for Milling Operations Using Shuffled Frog-Leaping Algorithm
This paper introduces a Shuffled Frog-Leaping Algorithm based method for the optimization of machining parameters for milling operations. An objective function based on maximum profit in milling operation has been used. The algorithm is compared with others techniques and outperforms the results reached by standard shuffled frogleaping algorithm, differential evolution, particle swarm optimizat...
متن کاملAlgorithms for selecting cutters in multi-part milling problems
This paper describes geometric algorithms for automatically selecting an optimal sequence of cutters for machining a set of 21⁄2D parts. In milling operations, cutter size affects the machining time significantly. Meanwhile, if the batch size is small, it is also important to shorten the time spent on loading tools into the tool magazine and establishing z-length compensation values. Therefore,...
متن کاملA Geometric Algorithm for Finding the Maximal Cutter for 2-d Milling Operations
In this paper, we present a geometric algorithm of finding the maximal cutter for 2-D milling operations. Our algorithm works not only for the common closed pocket problem, but also for the general 2-D milling problems with open edges. We define the general 2-D milling process in terms of a “target region” to be machined and an “obstruction region” that should not intersect with the cutter duri...
متن کاملBeeID: intrusion detection in AODV-based MANETs using artificial Bee colony and negative selection algorithms
Mobile ad hoc networks (MANETs) are multi-hop wireless networks of mobile nodes constructed dynamically without the use of any fixed network infrastructure. Due to inherent characteristics of these networks, malicious nodes can easily disrupt the routing process. A traditional approach to detect such malicious network activities is to build a profile of the normal network traffic, and then iden...
متن کامل