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View article: How Jailbreak Defenses Work and Ensemble? A Mechanistic Investigation
How Jailbreak Defenses Work and Ensemble? A Mechanistic Investigation Open
View article: Improved Ultrasonic Absolute Stress Measurement Based on Optimized Wavelet Transform and Cross-Correlation Algorithm
Improved Ultrasonic Absolute Stress Measurement Based on Optimized Wavelet Transform and Cross-Correlation Algorithm Open
View article: Investigation to the Vibration Characteristics of Ultrasonic Transducer Based on the Number of Piezoelectric Ceramics
Investigation to the Vibration Characteristics of Ultrasonic Transducer Based on the Number of Piezoelectric Ceramics Open
View article: An Novel Algorithm of Vibration Resonance Control For Power Ultrasonic Device Via Esc Based Maximum Conductance Searching
An Novel Algorithm of Vibration Resonance Control For Power Ultrasonic Device Via Esc Based Maximum Conductance Searching Open
View article: The Grey-Taguchi method analysis for processing parameters optimization and experimental assessment of 42CrMo steel treated by ultrasonic surface rolling
The Grey-Taguchi method analysis for processing parameters optimization and experimental assessment of 42CrMo steel treated by ultrasonic surface rolling Open
Static force, ultrasonic amplitude, feed rate, and rolling spacing parameters of 42CrMo steel treated by the ultrasonic surface rolling process (USRP) were optimized by the Grey-Taguchi method. Nine sets of experiments based on an orthogon…
View article: Parameters Identification of an Ultrasonic Transducer Based on Right-Semicircle Fitting of Admittance Circle
Parameters Identification of an Ultrasonic Transducer Based on Right-Semicircle Fitting of Admittance Circle Open
View article: A Novel Robustness Matching Method Based on Amplitude-Frequency Characteristic For High Power Ultrasonic System Under Variable Load
A Novel Robustness Matching Method Based on Amplitude-Frequency Characteristic For High Power Ultrasonic System Under Variable Load Open
View article: Resonant Control to Vibration Response of High Power Ultrasonic Transducer Via Beating Model
Resonant Control to Vibration Response of High Power Ultrasonic Transducer Via Beating Model Open
View article: Robust Vibration Control Based on Amplitude-Frequency Characteristic for High Power Ultrasonic System Under Variable Load
Robust Vibration Control Based on Amplitude-Frequency Characteristic for High Power Ultrasonic System Under Variable Load Open
View article: Effects of Spindle Speed on Impact and Scratch in Rotary Ultrasonic Face Milling
Effects of Spindle Speed on Impact and Scratch in Rotary Ultrasonic Face Milling Open
Most of existing researches related to ultrasonic machining on material removal mechanism are focused on single-grainultrasonic scratch and undeformed chip thickness. In this study for the rotary ultrasonic face milling (RUFM), two materia…
View article: Phase Optimization for Multipoint Haptic Feedback Based on Ultrasound Array
Phase Optimization for Multipoint Haptic Feedback Based on Ultrasound Array Open
Ultrasound-based haptic feedback is a potential technology for human–computer interaction (HCI) with the advantages of a low cost, low power consumption and a controlled force. In this paper, phase optimization for multipoint haptic feedba…
View article: Design of a Novel Integrated Ultrasonic Tool Holder for Friction Stir Welding
Design of a Novel Integrated Ultrasonic Tool Holder for Friction Stir Welding Open
Ultrasonic vibration used in friction stir welding (FSW) has shown advantages in reducing welding defects and improving welding quality. How to design an ultrasonic tool holder is a challenge because the holder is rotating in a confined sp…
View article: Phase Optimization for Multipoint Haptic Feedback Based on Ultrasound Array
Phase Optimization for Multipoint Haptic Feedback Based on Ultrasound Array Open
Ultrasound based haptic feedback is a potential technology for human-computer interaction (HCI) with the advantages of low cost, low power consumption and controlled force. In this paper, the phase optimization for multipoint haptic feedba…
View article: A Novel Heat Shrinkable Ultrasonic Transducer for Rotary Ultrasonic Micro-Nano Precision Manufacturing
A Novel Heat Shrinkable Ultrasonic Transducer for Rotary Ultrasonic Micro-Nano Precision Manufacturing Open
Rotary ultrasonic machining (RUM) has been proven to be a suitable technology for micro-nano precision manufacturing for hard and brittle ceramics/composite materials. However, the working frequency of the ultrasonic transducer in current …
View article: Ultrasonic Detection Method for Grouted Defects in Grouted Splice Sleeve Connector Based on Wavelet Pack Energy
Ultrasonic Detection Method for Grouted Defects in Grouted Splice Sleeve Connector Based on Wavelet Pack Energy Open
Grouted splice sleeve (GSS) connectors are mainly used in precast concrete structures. However, errors in manual operation during construction cause grouted defects in the GSS connector, which can lead to a negative effect on the overall m…
View article: Influence of Uniaxial Stress on the Shear-Wave Spectrum Propagating in Steel Members
Influence of Uniaxial Stress on the Shear-Wave Spectrum Propagating in Steel Members Open
Structural health monitoring technologies have provided extensive methods to sense the stress of steel structures. However, monitored stress is a relative value rather than an absolute value in the structure’s current state. Among all the …
View article: A Novel Series-Connected Asymmetric Hybrid Modular Multilevel Converter for HVDC Tapping Application
A Novel Series-Connected Asymmetric Hybrid Modular Multilevel Converter for HVDC Tapping Application Open
In this paper, a three-phase series-connected asymmetric hybrid modular multilevel converter (SCAH-MMC) tap is proposed. The proposed SCAH-MMC reduces the requirement of switches by connecting phases in series to withstand the dc-bus volta…
View article: Feature Extraction and Mapping Construction for Mobile Robot via Ultrasonic MDP and Fuzzy Model
Feature Extraction and Mapping Construction for Mobile Robot via Ultrasonic MDP and Fuzzy Model Open
This paper presents a modeling approach to feature classification and environment mapping for indoor mobile robotics via a rotary ultrasonic array and fuzzy modeling. To compensate for the distance error detected by the ultrasonic sensor, …
View article: Ultrasound Environment Classification Based on Fuzzy Model
Ultrasound Environment Classification Based on Fuzzy Model Open
The fuzzy model based on the centreline ultrasound signal is pro-posed to solve the poor orientation of ultrasonic sensors in the environment modelling in this paper. The locations of ultrasonic arc feature points were extracted and distin…
View article: Multi-objective optimization of flexure hinge mechanism considering thermal–mechanical coupling deformation and natural frequency
Multi-objective optimization of flexure hinge mechanism considering thermal–mechanical coupling deformation and natural frequency Open
Flexure hinge mechanism plays a key part in realization of terminal nano-positioning. The performance of flexure hinge mechanism is determined by its positioning design. Based on the actual working conditions, its finite element model is b…
View article: Design of a linear macro–micro actuation stage considering vibration isolation
Design of a linear macro–micro actuation stage considering vibration isolation Open
In microelectronics manufacturing, macro–micro actuation stages are typically applied to obtain a high-precision positioning at a high acceleration. Macro–micro actuation stage comprises a voice coil motor that achieves a high-acceleration…