Tool wear condition monitoring has the potential to play a critical role in ensuring the dimensional accuracy of the workpiece and prevention of damage to cutting equipment. It could also help in automating cutting processes. In this paper, the feed cutting force estimated with the aid of an inexpensive current sensor installed on the ac servomotor of a computerized numerical control turning ce...

Detecting replacement conditions of railway point machines is important to simultaneously satisfy the budget-limit and train-safety requirements. In this study, we consider classification of the subtle differences in the aging effect-using electric current shape analysis-for the purpose of replacement condition detection of railway point machines. After analyzing the shapes of after-replacement...

This paper presents an introductory review of CBM practice applied in manufacturing industry, focusing the technical constituents within condition monitoring. The empirical base for the study is a case study of two major manufacturing sites in Sweden, complemented with a brief benchmark of data from two reference manufacturing sites from France and Brazil. The data from the main studies were co...

High Definition Transcranial Direct Current Stimulation (HD-tDCS) offers improved focality for targeting specific brain areas to modulate neural excitability, compared to conventional tDCS. HD-tDCS is associated with increased scalp sensation during stimulation, potentially rendering conventional tDCS sham methods ineffective due to lack of blinding. Here we report validation data on a novel me...

This paper reviewed existing studies in the area of tool condition monitoring. The review revealed the substantial amount of works that have been done in the area of tool condition monitoring in machine tool. However, it was observed that investigating the feasibility of using the main spindle and feed motor currents for tool condition monitoring in micromachining has not been carried out despi...

landfill is one of the primary methods for urban solid waste disposal. in order to reduce theenvironmental adverse effects and to protect the public health and human welfare, evaluating the landfill isutmost importance. in this research work evaluation procedure for the current condition of ahvaz city urbansolid waste landfill site with criteria of local screening method (lsm) is outlined. in t...

The aim of this research was to discover the best indicators of induction motor faults, as well as suitable techniques for monitoring the condition of induction motors. Numerical magnetic field analysis was used with the objective of generating reliable virtual data to be analysed with modern signal processing and soft-computing techniques. In the first part of the research, a fuzzy system, bas...

Background The reduction of the incidence of hepatitis B virus (HBV) infection in Cuba can be attributed to the effectiveness of the national immunization program. However, the number of patients with chronic HBV observed in clinical practice is not negligible. Objective A cross-sectional study was conducted to describe the main clinical characteristics of patients with chronic hepatitis B vi...

BACKGROUND Bilateral pelvic discontinuity is characterized by complete dissociation of the superior and inferior pelvis secondary to bone loss or fracture. The end result is a freely mobile inferior pelvis at the level of each discontinuity which presents a significant reconstruction challenge. This clinical entity has not been described previously, and the results of surgical treatment are not...

In this work, a directional relaying algorithm is proposed for transmission line to prevent relay maloperation during coupling capacitor voltage transformer (CCVT) subsidence transient. The effect of CCVT subsidence transient during single-pole-tripping condition is highlighted in this paper. The proposed method which is based on phase angle difference of post fault and prefault positive sequen...