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Articles 1 - 5 of 5
Full-Text Articles in Engineering
Robust Adaptive Control For Industrial Robots - A Decentralized System Method, M Liu, Christopher D. Cook
Robust Adaptive Control For Industrial Robots - A Decentralized System Method, M Liu, Christopher D. Cook
Faculty of Engineering - Papers (Archive)
An adaptive control approach is presented for the tracking control of industrial robots. The approach utilizes the fact that a robot model can be described by equations that are linear in the system's unknown parameters. Taking uncertainties into account, the resulting controller has the property of robustness. The proof of stability and analytical results of the boundness of position tracking errors are given. By introducing filter operations in state measurements, the approach avoids the difficulty of measuring the accelerations of the robots' actuators. Simulation results are also presented
Simulation Of The Effect Of Wind On Rectangular Sedimentation Tanks, Muttucumaru Sivakumar, S A. Lowe
Simulation Of The Effect Of Wind On Rectangular Sedimentation Tanks, Muttucumaru Sivakumar, S A. Lowe
Faculty of Engineering - Papers (Archive)
A numerical model is presented to simulate the effect of wind action on rectangular sedimentation tanks used in water and wastewater treatment plants. The mathematical model uses the k-r. model for fl uid flow and sediment transport, and is solved using an explicit finite diffence scheme incorporating a penalty function approach. Simulations of fluid flow velocity and aeqiment concentration are presented for two wind speeds in two directions. It is shown that the effect of wind action is significant and future design of sedimentation tanks should include this parameter.
Evaluation Of Dna Probes For Detection Of Shiga-Like-Toxin- Producing Escherichia Coli In Food And Calf Fecal Samples, Mansour Samadpour, John Liston, Jerry E. Ongerth, Phillip I. Tarr
Evaluation Of Dna Probes For Detection Of Shiga-Like-Toxin- Producing Escherichia Coli In Food And Calf Fecal Samples, Mansour Samadpour, John Liston, Jerry E. Ongerth, Phillip I. Tarr
Faculty of Engineering and Information Sciences - Papers: Part A
The use of DNA probes for Shiga-like toxin I (SLT-I) and SLT-II for detection of SLT-producing Escherichia coli (SLTEC) in foods and calf fecal samples was evaluated. Enrichment cultures were prepared from food or fecal samples. Colonies formed by plating of enrichment cultures were probed for SLTEC by colony hybridization. Alternatively, enrichment cultures were analyzed for SLTEC presence by dot blot. The lowest detected concentration of SLTEC in sample homogenates inoculated with E. coli 0157:H7 corresponded to 1.3 CFU/g of sample. Of the 44 food samples and 28 fecal samples from dairy calves tested by the colony hybridization method, 4 …
Identification Of Giardia Lamblia-Specific Antigens In Infected Human And Gerbil Feces By Western Immunoblotting, Henry H. Stibbs, Mansour Samadpour, Jerry E. Ongerth
Identification Of Giardia Lamblia-Specific Antigens In Infected Human And Gerbil Feces By Western Immunoblotting, Henry H. Stibbs, Mansour Samadpour, Jerry E. Ongerth
Faculty of Engineering and Information Sciences - Papers: Part A
Western immunoblot analysis of aqueous extracts of feces obtained from five giardiasis patients and from experimentally infected gerbils (Meriones unguiculatus) with rabbit antiserum to Giardia lamblia cysts has revealed antigens of three molecular weight groups. A stepladderlike, evenly-spaced set of strongly reactive antigens (darkest at a molecular weight [m.w.] of 55,000 to 70,000) appeared in the gerbil feces from day 4 (first experiment) or day 2 (second experiment) and lasted to about day 7 but disappeared completely by day 8 and did not reappear later. These antigenic bands were seen in gerbils infected with two isolates of G. lamblia. These …
Some Improvements To Turner's Algorithm For Bracket Abstraction, Martin W. Bunder
Some Improvements To Turner's Algorithm For Bracket Abstraction, Martin W. Bunder
Faculty of Engineering and Information Sciences - Papers: Part A
A computer handles A-terms more easily if these are translated into combinatory terms. This translation process is called bracket abstraction. The simplest abstraction algorithm-the (fab) algorithm of Curry (see Curry and Feys [6])-is lengthy to implement and produces combinatory terms that increase rapidly in length as the number of variables to be abstracted increases.