Category: Engineering

In this research, we propose a sEMG device to collect data from the muscles of both feet, utilizing ML to predict gait parameters. Since gait parameters were estimated using sEMG, the proposed method can be applied not only to gait analysis but…

Evolution of AE characteristics

During the deformation and failure process, coal releases energy through elastic waves. The ringing counts can provide real-time reflection of the internal damage characteristics of coal. Figure 3 shows the…

Mechanics analysis of the trapezoidal roadway roof

In the early stage of roadway excavation, the roof maintains excellent integrity, with minimal subsidence. Both ends of the roof are anchored in the layered rock mass, and its stress…

Classical seepage grid method

In the traditional seepage analysis, the discrete grid method is most widely used to solve the seepage field, i.e., the seepage area is divided into a finite number of seepage grids, and the seepage field distribution…

Drive motor-planetary mechanism excitation characteristic analysis

The powertrain system for tracked vehicles studied in this paper is shown in Fig. 1, which can be divided into two parts: the generator set and the EMT system. Among them, the EMT…

In satellite mechanisms the volume V_ch of the chamber changes as the rotor rotates from a value of V_ch−min to a value of V_ch−max. These volumes are expressed by the formulae^33,34:

Evaluation of erosion depth and erodibility index

As depicted in Fig. 3, the untreated or virgin soils displayed the highest depths of erosion upon being subjected to a discharge rate of 500 ml/hour for 1 h. Among the virgin soils, the…

To effectively identify structural modal parameters during multi-joint combined self-excitation motion of a robot, this paper proposes dynamic spatial sensitivity analysis and the torque projection matrix. By utilizing dynamic spatial sensitivity…

Glutaraldehyde (GA) is widely employed as a crosslinking agent across numerous biomedical applications, owing to its capacity to enhance the structural integrity and stability of polymers¹. Crosslinked polymers exhibit improved mechanical…

The transverse and longitudinal sections were selected as monitoring surfaces, as shown in Fig. 5. The Z-X plane 4 m away from the tunnel was set as monitoring section I, and the Y–Z plane in the center of the tunnel axis was set as…