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Article
Open AccessTowards Sustainable Grinding of Difficult-to-Cut Alloys—A Holistic Review and Trends
Grinding, a critical precision machining process for difficult-to-cut alloys, has undergone continual technological advancements to improve machining efficiency. However, the sustainability of this process is ...
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Article
Open AccessDesign of A Novel Wheel-Legged Robot with Rim Shape Changeable Wheels
The wheel-legged hybrid structure has been utilized by ground mobile platforms in recent years to achieve good mobility on both flat surfaces and rough terrain. However, most of the wheel-legged robots only ha...
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Article
Open AccessImproving Ultrasonic Testing by Using Machine Learning Framework Based on Model Interpretation Strategy
Ultrasonic testing (UT) is increasingly combined with machine learning (ML) techniques for intelligently identifying damage. Extracting significant features from UT data is essential for efficient defect chara...
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Article
Open AccessEffect of Dynamic Pressure Feedback Orifice on Stability of Cartridge-Type Hydraulic Pilot-Operated Relief Valve
Current research on pilot-operated relief valve stability is primarily conducted from the perspective of system dynamics or stability criteria, and most of the existing conclusions focus on the spool shape, da...
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Article
Open AccessNovel Hybrid Physics-Informed Deep Neural Network for Dynamic Load Prediction of Electric Cable Shovel
Electric cable shovel (ECS) is a complex production equipment, which is widely utilized in open-pit mines. Rational valuations of load is the foundation for the development of intelligent or unmanned ECS, sinc...
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Article
Open AccessMobile Robot Combination Autonomous Behavior Strategy to Inspect Hazardous Gases in Relatively Narrow Man–Machine Environment
Selecting the optimal speed for dynamic obstacle avoidance in complex man–machine environments is a challenging problem for mobile robots inspecting hazardous gases. Consideration of personal space is importan...
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Article
Open AccessDigital Twin for Integration of Design-Manufacturing-Maintenance: An Overview
Traditional design, manufacturing and maintenance are run and managed independently under their own rules and regulations in an increasingly time-and-cost ineffective manner. A unified platform for efficient a...
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Article
Open AccessWear Characteristics of the Nuclear Control Rod Drive Mechanism (CRDM) Movable Latch Serviced in High Temperature Water
The current research of nuclear control rod drive mechanism (CRDM) movable latch only makes a simple measurement of wear mass. The wear volume and difference in various claw surfaces are ignored and the degrad...
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Article
Open AccessApplication of Optimal-Jerk Trajectory Planning in Gait-balance Training Robot
To accommodate the gait and balance disorder of the elderly with age progression and the occurrence of various senile diseases, this paper proposes a novel gait balance training robot (G-Balance) based on a si...
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Article
Open AccessHeat Transfer Performance of a Novel Microchannel Embedded with Connected Grooves
To improve the heat transfer performance of microchannels, a novel microchannel embedded with connected grooves crossing two sidewalls and the bottom surface (type A) was designed. A comparative study of heat ...
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Article
Open AccessEffects of Defocus Distance on Three-Beam Laser Internal Coaxial Wire Cladding
Three-beam laser internal coaxial wire feeding cladding is regarded as a promising additive manufacturing technique because it is highly efficient and controllable. In this study, the effects of the defocus di...
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Article
Open AccessResearch Status, Critical Technologies, and Development Trends of Hydraulic Pressure Pulsation Attenuator
Hydraulic pumps are a positive displacement pump whose working principle causes inherent output flow pulsation. Flow pulsation produces pressure pulsation when encountering liquid resistance. Pressure pulsatio...
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Article
Open AccessDesign of Self-Reconfigurable Multiarm Robot Mechanism Based on Deployable Kinematic Chains
As the structures of multiarm robots are serially arranged, the packaging and transportation of these robots are often inconvenient. The ability of these robots to operate objects must also be improved. Addres...
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Article
Open AccessTowards Energy Efficient Shape Rolling: Roll Pass Optimal Design and Case Studies
Shape rolling is widely employed in the production of long workpieces with appropriate cross-section profiles for other industrial applications. In the development of shape rolling systems, roll pass design (R...
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Article
Open AccessContact Model of Revolute Joint with Clearance Based on Fractal Theory
The contact stiffness of a mechanical bonding surface is an important parameter in determining the normal and radial contact force. To improve the calculation accuracy of the contact force model, the surface r...
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Article
Open AccessA Model for Predicting Dynamic Cutting Forces in Sand Mould Milling with Orthogonal Cutting
Cutting force is one of the research hotspots in direct sand mould milling because the cutting force directly affects the machining quality and tool wear. Unlike metals, sand mould is a heterogeneous discrete ...
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Article
Open AccessEffect of Ordering Policies on Complex Dynamics Behaviours in a Discrete-Type Manufacturing Industry Supply Chain System
The beer game model is a typical paradigm used to study complex dynamics behaviours in production–distribution systems. The model, however, does not accord with current practical supply chain system models in ...
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Article
Open AccessInvestigation of Induced Unbalance Magnitude on Dynamic Characteristics of High-speed Turbocharger with Floating Ring Bearings
Due to operational wear and uneven carbon absorption in compressor and turbine wheels, the unbalance (me) vibration is induced and could lead to sub-synchronous vibration accidents for high-speed turbocharger (TC...
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Article
Open AccessNumerical Analysis and Verification of the Gas Jet from Aircraft Engines Impacting a Jet Blast Deflector
The process of the gas jet from aircraft engines impacting a jet blast deflector is not only a complex fluid–solid coupling problem that is not easy to compute, but also a safety issue that seriously interfere...
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Article
Open AccessCar Fuel Economy Simulation Forecast Method Based on CVT Efficiencies Measured from Bench Test
Researchers face difficulties in studying the effects of driveline efficiency on car fuel economy via bench and road tests because of long working periods, high costs, and heavy workloads. To simplify the stud...