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RISDifferent Phases in Manual Materials Handling Have Different Performance Criteria: Evidence From Multi-Objective Optimization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A manual material handling task involves the phases of reaching, lifting, unloading, and standing up (RLUS). Understanding the mechanisms of manual material handling is important for occupational health and the development ...
How to Carry Loads Economically: Analysis Based on a Predictive Biped Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Carrying heavy loads costs additional energy during walking and leads to fatigue of the user. Conventionally, the load is fixed on the body. Some recent studies showed energy cost reduction when the relative motion of the ...
Topology Optimization of Total Femur Structure: Application of Parameterized Level Set Method Under Geometric Constraints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Optimization of the femur prosthesis is a key issue in femur replacement surgeries that provide a viable option for limb salvage rather than amputation. To overcome the drawback of the conventional techniques that do not ...
Shoe–Floor Interactions in Human Walking With Slips: Modeling and Experiments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Shoe–floor interactions play a crucial role in determining the possibility of potential slip and fall during human walking. Biomechanical and tribological parameters influence the friction characteristics between the shoe ...
Hybrid Nonlinear Variation Modeling of Compliant Metal Plate Assemblies Considering Welding Shrinkage and Angular Distortion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ship assembly involves thousands of large dimensional compliant metal plates. These compliant metal plates are fully welded together by seam welding in the assembly process. Different from the automobile and aerospace ...
Geometric Stiffness and Model Improvement of Rigid Elements for Preloaded Modal Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pretension is utilized by large space structures such as deployable mesh reflector antennas and flexible solar cell wings to maintain forms and stiffness. Geometric nonlinearity must be taken into account in finite element ...
Memory-Efficient Modeling and Slicing of Large-Scale Adaptive Lattice Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Lattice structures have been widely used in various applications of additive manufacturing due to its superior physical properties. If modeled by triangular meshes, a lattice structure with huge number of struts would ...
Toward Probabilistic Post-Fire Debris-Flow Hazard Decision Support
Publisher: American Meteorological Society
An Optimal Ensemble Empirical Mode Decomposition Method for Vibration Signal Decomposition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The vibration signal decomposition is a critical step in the assessment of machine health condition. Though ensemble empirical mode decomposition (EEMD) method outperforms fast Fourier transform (FFT), wavelet transform, ...
Orbit Response Recognition During Touchdowns by Instantaneous Frequency in Active Magnetic Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During touchdowns of active magnetic bearings (AMB), the violent collision between rotors and touchdown bearings (TDB) can cause damages to both parts. Orbit response recognition provides a way for the AMB controller to ...