A5100337080- Piezoelectric Actuators and Control
- Soft Robotics and Applications
- Modular Robots and Swarm Intelligence
- Micro and Nano Robotics
- Advanced Sensor and Energy Harvesting Materials
- Advanced MEMS and NEMS Technologies
- Innovative Energy Harvesting Technologies
- Transportation Planning and Optimization
- Vibration and Dynamic Analysis
- High-Temperature Coating Behaviors
- Dam Engineering and Safety
- Advanced Materials and Mechanics
- Prosthetics and Rehabilitation Robotics
- Nuclear Materials and Properties
- Nuclear materials and radiation effects
- Robotic Mechanisms and Dynamics
- Hydraulic flow and structures
- Robotic Locomotion and Control
- Water Systems and Optimization
- Underwater Vehicles and Communication Systems
- Evaluation Methods in Various Fields
- Acoustic Wave Phenomena Research
- Traffic and Road Safety
- Vibration Control and Rheological Fluids
- Evaluation and Optimization Models
Harbin Institute of Technology
2016-2025
State Key Laboratory of Robotics and Systems
2025
Beibu Gulf University
2024
China Waterborne Transport Research Institute
2024
Shanghai Jiao Tong University
2023-2024
Taiyuan University of Science and Technology
2019-2023
Dalian University of Technology
2010-2023
Siemens (China)
2022
Xianyang Normal University
2019-2022
China University of Petroleum, East China
2020-2022
Multiple degrees of freedom (DOFs) motion manipulation various objects is a crucial skill for robotic systems, which relies on hands. However, traditional hands suffer from problems low accuracy, poor electromagnetic compatibility and complex system due to limitations in structures, principles transmissions. Here we present direct-drive rigid piezo hand (PRH) constructed functional piezoelectric ceramic. Our PRH holds four fingers twelve DOFs. It achieves high adaptability ten employing...
Miniaturization, fast motion, high resolution, agility, and good adaptability are relatively contradictory characteristics in mobile robot design. It is indeed a challenge to satisfy these performances at the same time. Inspired by arthropod metamerism nature, herein, millirobot composed of three piezoelectric segments proposed. The tethered for power, whole size 58 × 44 12 mm; it uses several principles locomotion, can carry loads cross obstacles, also has rapidity agility like centipede...
A piezoelectric platform driven by a bionic quadruped actuator is developed. It uses the operating principle of combining walking and swinging actuation modes to achieve nanopositioning in large travel range. The mechanical structure introduced, operation illustrated, dynamic model control method are open-loop performances first tested verify effectiveness model, simulation results agree well with experimental results. Then, closed-loop experiments carried out, respectively, controllers...
Micro/nano manipulators using piezoelectric actuators are extensively applied in precision manipulation fields. In this article, a novel 2-DOF micro/nano manipulator with compact structure is proposed, designed, fabricated, and tested. Different movers can be actuated by only single miniature tube actuator (PTA) to achieve multimotion forms, including linear–linear motion, linear–rotary rotary–rotary motion two orthogonal directions. Above all, the configuration operating principle amply...
It is difficult to obtain linear output displacements for stepping piezoelectric platform due their discontinuous outputs. Inspired by the theory that maximum static friction force greater than sliding force, in this letter, we propose a bipedal alternating inertial actuation mode (BAIAM) improve displacement linearity of platform. The are measured, fitting carried out least square method, correlation coefficient and function used evaluate linearity, coefficients forward backward motions...
Amphibious robots can undertake various tasks in terrestrial and aquatic environments for their superior environmental compatibility. However, the existing amphibious usually utilize multi-locomotion systems with transmission mechanisms, leading to complex bulky structures. Here, a miniature robot based on vibration-driven locomotion mechanism is developed. The has two unique rigid-flexible hybrid modules (RFH-modules), which soft foot flexible fin are arranged rigid leg conduct vibrations...
Microactuators have been playing crucial roles in micromachine technologies because of their small sizes and light weights. The piezoelectric actuation is one the most important driving methods to perform motion output with miniature structures. rotary microactuators are relatively mature, whereas linear ones need be further developed. Inspired by hollowing art, a novel microactuator dimensions 7.4 mm × 10 proposed, which designed an integrated hollow structure without guide rail can achieve...
For the miniature piezoelectric robots operated by inertial driving method, step displacements were limited deformations of units. Thus, a diagonal method (DIDM) was proposed in this work to increase displacement. The prominent feature DIDM that force direction using designed piezoleg with square cross section. vertical component reduced friction and even made robot jump achieve larger experimental results indicated increased displacement successfully. effect optimal when equal horizontal...
For miniature piezoelectric robots, it is difficult to realize multi-degree-of-freedom motion with a simple structure. In this article, novel ring-shaped tripodal robot (RTPR) proposed solve the above difficulty. Multiple modes, based on propagation of mechanical waves rigid structure, are designed continuous/step linear and in-situ rotational motions. The prototype fabricated weight 2.2 g size 20 mm × 4.6 mm, performance tested. test results show that RTPR can achieve maximum speed 39.3...
A ring-shaped linear piezoelectric actuator with three driving teeth is proposed and designed based on an axial-radial bending coupling vibration mode. The mode neither pure axial nor radial mode, but hybrid one, which generated by only one group of PZT elements exciting signal under asymmetrical fixed boundary condition. working principle the similar to opening closing actions three-petal mouth a rabbit, analyzed finite element method. Then, verified scanning laser Doppler vibrometer after...
Wireless motion and large capacity are two important characteristics for practical applications of the miniature robots, become more challenging as decrease robot size. Here, we proposed a tripodal piezoelectric (TMPR) with size 31 × 44 20 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> weight 9.8 g. The prominent features were square section piezo-leg arranged at 45° angle supporting structure passive wheel. former made achieve...
Abstract Miniature piezoelectric robots can perform various tasks in narrow spaces, due to their small sizes and agile motions. However, there is key challenge of reconciling large load capacity with motions, which limits the integration functional units. In this work, a miniature quadruped robot (AQPR) inspired by hard‐shell animals proposed. The prominent feature AQPR rigid ring structure, be utilized achieve its high stiffness; degeneracy different vibration modes used generate...
Abstract The wetting and spreading behaviors of metal droplets on solid substrates are critical aspects additive manufacturing. However, the inherent characteristics droplets, including high surface tension, elevated viscosity, extreme temperatures, pose significant challenges for nonwetting substrates. Herein, this work proposes a strategy that employs two‐dimensional (2D) orthogonal ultrasonic field to construct vibration deposition substrate with radial amplitude gradient, thereby...
ABSTRACT Twisted and coiled artificial muscles (TAMs) have been extensively studied in the field of soft robots due to their exceptional properties, including high energy density, large load‐to‐weight ratio, deformation, low driving voltage, hysteresis. The advancements TAMs hold potential for enhancing performance broadening functional capabilities robots, thus demonstrating substantial practical value. This review outlines recent progress diverse applications robots. First, commonly used...