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Design optimization of vehicle asynchronous motors based on fractional harmonic response analysis

期刊: MECHANICAL SCIENCES, 2021; 12 (1)

To make vehicles more reliable and efficient, many researchers have tried to improve the rotor performance. Although certain achievements have been ma......

Semi-numerical analysis of a two-stage series composite planetary transmission considering incremental harmonic balance and multi-scale perturbation methods

期刊: MECHANICAL SCIENCES, 2021; 12 (2)

This study conducts an analytical investigation of the dynamic response characteristics of a two-stage series composite system (TsSCS) with a planetar......

Prediction of springback in local bending of hull plates using an optimized backpropagation neural network

期刊: MECHANICAL SCIENCES, 2021; 12 (2)

Springback is an inevitable problem in the local bending process of hull plates, which leads to low processing efficiency and affects the assembly acc......

Crushing mechanism of a mobile pellet harvester

期刊: MECHANICAL SCIENCES, 2021; 12 (2)

The treatment and utilization of straw is a considerably complex type of problem in agricultural production. A mobile pellet harvester integrates the ......

Kinematics analysis of a four-legged heavy-duty robot with a force-position hybrid control servo actuator in a parallel-executed cylinder system

期刊: MECHANICAL SCIENCES, 2021; 12 (2)

In this research, an electrohydraulic servo four-legged heavy-duty (FLHD) robot has been designed and developed. The study proposes an integration lay......

An innovative equivalent kinematic model of the human upper limb to improve the trajectory planning of exoskeleton rehabilitation robots

期刊: MECHANICAL SCIENCES, 2021; 12 (1)

Upper limb exoskeleton rehabilitation robots have been attracting significant attention by researchers due to their adaptive training, highly repetiti......

Mixed synthesis method of motion and path of planar four-bar linkages

期刊: MECHANICAL SCIENCES, 2021; 12 (1)

The mixed synthesis of motion and path generation, which is also known as the Alt-Burmester problem, is an attractive problem for study. However, such......

Structure optimization of a pipetting device to improve the insertion effect of tips

期刊: MECHANICAL SCIENCES, 2021; 12 (1)

In order to solve the problems of the failure of disposable tip insertion which happens in the pipetting process of most multi-station and high-throug......

Design and analysis of an innovative flapping wing micro aerial vehicle with a figure eight wingtip trajectory

期刊: MECHANICAL SCIENCES, 2021; 12 (1)

A multi-mode flapping wing micro air vehicle (FWMAV) that uses a figure eight wingtip motion trajectory with wing flapping, rotation, and swing motion......

Center-point steering analysis of tracked omni-vehicles based on skid conditions

期刊: MECHANICAL SCIENCES, 2021; 12 (1)

Existing center-point steering models of a tracked omni-vehicle seldom consider the skid of the track (roller) grounding section, which is inconsisten......

Geometric synthesis method of compliant mechanism based on similarity transformation of pole maps

期刊: MECHANICAL SCIENCES, 2021; 12 (1)

This paper presents a geometric synthesis method for compliant mechanisms based on similarity transformation of pole maps. Motion generation is a typi......

Lagrange-method-based dynamic analysis of multi-stage planetary roller screw mechanism

期刊: MECHANICAL SCIENCES, 2021; 12 (1)

A rigid-body dynamic model of multi-stage planetary roller screw mechanism (multi-stage PRSM) is proposed in this paper. The structure of multi-stage ......

Performance analysis of an electro-hydrostatic actuator with high-pressure load sensing based on fuzzy PID

期刊: MECHANICAL SCIENCES, 2021; 12 (1)

Electro-hydrostatic actuator (EHA) is an important form of power-by-wire (PBW) technology, which is widely used in aircraft because of the characteris......

Analysis of the shift quality of a hydrostatic power split continuously variable cotton picker

期刊: MECHANICAL SCIENCES, 2021; 12 (1)

In order to improve the ride comfort of a continuously variable cotton picker, the shift quality of the cotton picker is analysed. Firstly, the transm......

Design optimization analysis of an anti-backlash geared servo system using a mechanical resonance simulation and experiment

期刊: MECHANICAL SCIENCES, 2021; 12 (1)

In many mechatronic systems, gear transmission chains are often used to transmit motion and power between motors and loads, especially for light, smal......

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