computational intelligence in electromyography analysis

... during sustained, linearly increasing and linearly decreasing contractions, and called it ‘common drive’ They pointed to common excitatory inputs to several MUs in the pool as the probable origin ... (Black) in an increasing ramp-sustained level decreasing ramp exercise Even in sustained contractions, the spikes of a MUAP train not appear with an exact periodicity The so-called interspike interval ... trajectory based on a Computational Intelligence in Electromyography Analysis – 20 A Perspective on Current Applications and Future Challenges linear increment, a constant level and a linear decrement...

Ngày tải lên: 23/03/2014, 14:20

... machine [3] Turing’s research paper addresses the question of machine intelligence, assessing the arguments against the possibility of creating an intelligent computing machine and suggesting ... to be minimized The DE has successfully been applied to diverse domains of science and engineering (e.g., mechanical engineering design, signal processing, chemical engineering, machine intelligence, ... often become intractable in such situations In this book, we attempt to bring together research articles by active practitioners reporting recent advances in integrating computational intelligence...

Ngày tải lên: 30/03/2014, 03:20

... holonic concepts into a manufacturing setting: Holon: An autonomous and cooperative building block of a manufacturing system for transforming, transporting, storing, and/or validating information ... estimated uncertainty that the entity contains, the minimally fuzzy sets contain also the minimally uncertain information.* Secondly, the “total ignorance” (or uncertain) information is pointed out ... floor is, in general, assigned with one Execution Mediator 3.3.5 Clustering and Cloning in MetaMorph II Clustering and cloning approaches for manufacturing scheduling were developed during the...

Ngày tải lên: 17/10/2013, 11:15

... following criteria to be of most importance: ©2001 CRC Press LLC • • • • • • • Minimizing lateness/tardiness Minimizing makespan Maximizing system/machine utilization Minimizing WIP (work in process) ... Part Dispatching Rules in FMSs This section explains a fuzzy real-time routing selection and an intelligent decision-making tool using fuzzy expert systems for machine loading in an FMS In the complex ... Simulation of scheduling rules in a flexible manufacturing system using fuzzy logic, IEA-AIE96 Ninth International Conference on Industrial and Engineering Application of Artificial Intelligence and...

Ngày tải lên: 19/10/2013, 18:15

... themselves In the traditional part–machine incidence matrix, assuming binary values, sequence information is ignored To include sequence information, a sequence-based incidence matrix is introduced, ... components for cellular manufacturing, keeping a concurrent engineering framework in mind It utilizes two middle layers, as shown in Figure 4.4 The inputs for the network include design features of ... form of zero indicates that a machine is not required by the part Figure 4.5a shows a matrix of machine requirements for nine parts, processed on nine machines Part–machine grouping involves a...

Ngày tải lên: 19/10/2013, 18:15

... An intelligent design retrieving system should aim toward a natural linking of the next process planning and manufacturing stages 7.2.4 Conducting Retrieval Tasks with a Certain Degree of Incomplete ... engineering designs can be adapted in the research to represent a design One major disadvantage of using image-based indexing is that the disappearance of hidden features and internal lines is inevitable ... Journal of Computing in Civil Engineering, 8(3):137-150 Perng, D.-B and C.-F Chang, (1997) A new feature-based design system with dynamic editing, Computers and Industrial Engineering, 32(2):383-397...

Ngày tải lên: 23/10/2013, 16:15

... design objectives may include minimizing intercellular movements, minimizing set-up time, minimizing machine load variation or maximizing machine utilization, and minimizing the system’s costs ... constructing a group technology database of parts and their process routings, finding the most suitable routings among parts’ alternative routings, grouping machines into machine groups, and forming ... Algorithm for Finding the Optimum Process Routings for Parts The aim of a cellular manufacturing system design is minimizing the cost of the system It can be gained by dividing the system into independent...

Ngày tải lên: 23/10/2013, 16:15

... crossover of two strings Input: Output: string-1 and string-2 offspring-1 and offspring-2 Determine a cut point randomly from all the positions of a string Each string is divided into two parts, ... (D-OPT) is introduced, which is defined as an operation incurring no machining cost and having no effects in terms of machine, set-up, and tool changes By adding the dummy operation into the sets ... to be used in order to convert a piece-part from its original form to a final form that is specified on a detailed engineering drawing For machining, process planning includes determination of...

Ngày tải lên: 27/10/2013, 23:15

... applying parallel machines in industrial manufacturing, only a handful of papers are found on sequencing machining operations for parallel machines [3, 22] The combinatorial nature of sequencing ... capability of activating i cutting tools (I Ն i Ն 1) on distinct MUs, in parallel, either for the purpose of machining a single workpiece, or for the purpose of machining, in parallel, l workpieces ... and 470 constraints This clearly indicates that sequencing the parallel machining operations by using conventional integer programming method could be computationally expensive and inefficient [4]...

Ngày tải lên: 27/10/2013, 23:15

... of improving the product quality, increasing the effect events in production, increasing autonomity and intelligence in manufacturing lines, reducing the reaction time of manufacturing systems, ... equipped with such functionalities as storing information, reasoning, decision making, learning, and integration of these into the process In particular, the learning characteristic is a unique feature ... the network within the system Various manufacturing processes including machining, arc welding, semiconductor, and hydroforming processes are considered for networks applications Finally, perspectives...

Ngày tải lên: 06/11/2013, 09:15

... or slip) Casting the slip in a plaster mold for a specified duration Removing the mold Air drying the cast piece Spray gazing the dried piece Firing the gazed piece in a kiln Inspecting the finished ... Machining Application Abrasive flow machining (AFM) was originally developed for deburring aircraft valve bodies It has many applications in the aerospace, automotive, electronic, and die-making industries ... Machining Using a Static Neural Network Model, Intelligent Engineering Systems through Artificial Neural Networks: Smart Engineering Systems: Neural Networks, Fuzzy Logic, Evolutionary Programming,...

Ngày tải lên: 06/11/2013, 09:15

... Resource-Constrained Project Scheduling Problem Parallel Machine Scheduling Problem Job-Shop Scheduling Problem Multistage Process Planning Part Loading Scheduling Problem Introduction Production scheduling ... recent interest in using genetic algorithms to address the problem In the following sections, we explain how to solve them with genetic algorithms, including resource-constrained project scheduling, ... parallel machine scheduling, job-shop scheduling, multistage process planning, and part loading scheduling problem 10.2 Resource-Constrained Project Scheduling Problem The problem of scheduling activities...

Ngày tải lên: 06/11/2013, 09:15

... approximations, during which the training data set is split into certain training data set and possible training data set Subsequently, these training sets are forwarded to the GA-based search engine for ... training data set correctly For each certain rule extracted from the certain training data set, RClass* uses a so-called completeness index to indicate the number of observations in the original ... same rule in the original training data In other words, the completeness index represents the usefulness or the effectiveness of a certain rule The reliability and completeness indices are included...

Ngày tải lên: 13/12/2013, 01:15

... moving-window sample method is chosen, except that ARL values of the designs using the moving-window sample method are in general smaller than those using the independent method, considering ... with larger values meaning larger shifts Note that both neural networks were trained off-line using simulations By incorporating the trained weight matrices, one can start using the proposed method ... the “true” individual observation input method in that it uses the most recent and four immediately passed observations The reason for maintaining a few observations in a sample point is due...

Ngày tải lên: 13/12/2013, 01:15

... This involves dividing the data set into S mutually exclusive subsets, using S – subsets for training the network (as discussed in Section 17.2.1.2) and the remaining subset for testing, repeating ... differing amplitudes and ranges of the outputs on the training process) TABLE 17.3 MLP Neural Network Training Scheme Training algorithm Starting learning rate (η) Learning adaptation rate Minimum ... and α as shown in Equation 17.12) are not large enough to move into a different basin, the quality controller converges to the local minimum in the basin holding the starting point However, it...

Ngày tải lên: 13/12/2013, 01:15

... development laboratories in the state of Iowa (including Winnebago Co in Forest City; Delavan Inc in Des Moines; Sauer-Sundstrand Inc in Ames), point to the feasibility of in- process surface roughness ... manually inspecting machined surfaces at fixed intervals A surface profilometer containing a contact stylus is used in the manual inspection procedure This procedure is both time-consuming and labor-intensive ... before or during machining The primary objective was to train the fuzzy system by generating fuzzy rules from input–output pairs, and combining these generated and linguistic rules into a common...

Ngày tải lên: 13/12/2013, 01:15

... processing methods in TCM These methods have a good solution in the frequency domain but a very bad solution in the time domain, so that they lose some useful information during signal processing In ... than spindle current Both spindle and feed current increase as the depth of cut increases Moreover, feed current increases almost linearly as the depth of cut increases, while spindle current increase ... manufacturing processes involve some aspects of metal cutting operations The most crucial and determining factor to successful maximization of the manufacturing processes in any typical metal cutting...

Ngày tải lên: 13/12/2013, 01:15

... Monitoring and Diagnosing Manufacturing Processes Using Fuzzy Sets 14.3.1 Using Fuzzy Systems to Describe the State of a Manufacturing Process For monitoring and diagnosing manufacturing processes, ... available information (learning from samples) and knowledge (learning from instruction) Since the users must provide information and instruction, the learning is a supervised learning To facilitate ... (a) In Time Interval ts1 A B C (b) In Time Interval ts2 A B C (c) In Time Interval ts3 A B C TABLE 14.10 The Probabilities of One-Step Fuzzy Transition (a) In Time Interval ts1 A B C (b) In Time...

Ngày tải lên: 13/12/2013, 01:15

... assisting IC-CIM systems in performing various process monitoring, modeling, control, and diagnostic functions The following is an introduction to various computational intelligence tools in preparation ... trained on 98 data points generated from a process simulator utilizing first principles Training data was obtained by running the simulator for various combinations of input parameters (i.e., inlet ... 13 Computational Intelligence in Microelectronics Manufacturing Gary S May Georgia Institute of Technology 13.1 13.2 13.3 13.4 13.5 13.6 13.7 Introduction The Role of Computational Intelligence...

Ngày tải lên: 13/12/2013, 01:16

... "Computational Intelligence in Microelectronics Manufacturing" Computational Intelligence in Manufacturing Handbook Edited by Jun Wang et al Boca Raton: CRC Press LLC,2001 13 Computational Intelligence ... assisting IC-CIM systems in performing various process monitoring, modeling, control, and diagnostic functions The following is an introduction to various computational intelligence tools in preparation ... trained on 98 data points generated from a process simulator utilizing first principles Training data was obtained by running the simulator for various combinations of input parameters (i.e., inlet...

Ngày tải lên: 25/12/2013, 19:15