- Recycling and Waste Management Techniques
- Microplastics and Plastic Pollution
- Piezoelectric Actuators and Control
- Hydraulic and Pneumatic Systems
- Advanced MEMS and NEMS Technologies
- Advancements in Materials Engineering
- Control Systems in Engineering
- Renewable energy and sustainable power systems
- Additive Manufacturing and 3D Printing Technologies
- Vibration Control and Rheological Fluids
- Advanced Control Systems Design
- Green IT and Sustainability
- Extraction and Separation Processes
- Mechanical and Thermal Properties Analysis
- Aeroelasticity and Vibration Control
- Engine and Fuel Emissions
- Wireless Sensor Networks for Data Analysis
- Speech Recognition and Synthesis
- Sustainable Development and Environmental Management
- Micro and Nano Robotics
- Flexible and Reconfigurable Manufacturing Systems
- Natural Language Processing Techniques
- Vibration and Dynamic Analysis
- Belt Conveyor Systems Engineering
- transportation and logistics systems
Poznań University of Technology
2013-2023
This paper presents the contemporary problems of polymer waste recycling, mainly recycling cables from end-of-life vehicles. The authors developed a new material based on mixed (ASR) modified with ductile polymer, recycled low-density polyethylene (rLDPE), to produce moisture-resistant boards beneficial mechanical properties. ASR-based compositions without and homogenization process—including physical, chemical, shear-assisted compatibilization—were successfully applied verified by...
The work presented here describes the first results of an effective method assessing quality electrostatic separation mixtures polymer materials. motivation for research was to find mechanical plastic materials and a quick assessment effectiveness itself. proposed is based on application dedicated vision system developed needs separation. elaborated has been demonstrated by evaluating poly (methyl methacrylate) (PMMA) polystyrene (PS). obtained show that can be successfully employed in...
This paper presents the outcomes of investigations conducted on development procedure a personalized prosthetic device for an adult patient. The individualization is achieved through 3D scanning, followed by semi-automated design using AutoMedPrint system, and low-cost fused deposition modelling (FDM) technology printing. prosthesis aimed use during bicycle riding other sport activities. During experiments outlined in this manuscript, equipped with force movement sensors. purpose to collect...
The aim of this study was to investigate and analyze the impact selected parameters during tribocharging process shredded poly(ethylene terephthalate) (PET) high-density polyethylene (PE-HD) plastics on accumulated electric charge electrostatic separation effectiveness. accumulation surfaces polymer particles as a result their circular motion forced by airflow cyclone container investigated. material, time intensity were experimentally examined. A in which considered polymers are electrified...
Electrohydraulic servo drives can be found in many industrial applications. A typical design of a servovalve uses the known torque motor. The main concept designing modification described paper was concern about application piezobender as an actuator, working between nozzles flapper, at control stage. presents and investigates power amplifier for piezobenders digital controller electrohydraulic valve with element. article shows discusses results experimental investigation.
Many researchers in the developed countries have been intensively seeking effective methods of plastic recycling over past years.Those techniques are necessary to protect our natural environment and save non-renewable resources.This paper presents concept an electrostatic separator designed as a test bench dedicated separation mixed waste from automotive industry.According current policy European Union on process industry, all these materials must be recycled further for re-entering into...
The aim of this study was to investigate and analyze the separation process poly (ethylene terephthalate) high-density polyethylene mixture. research studied influence parameters tribocharging processes on quality separation. carried out using a developed test stand consisting tribocharger dedicated drum-type electrostatic separator. Both separator have been designed as automated benches assess plastic In order plastics, an original method based use vision system used. conducted in two...
Electrohydraulic servo drives can be found in many industrial applications. A typical design of a valve uses the known torque motor. The main concept modification presented servovalve was concerned application piezoelectric bender actuator first stage, working between nozzles as flapper. Reason for that is very complex machining and assembling processes motor, where tight tolerances significantly increase cost such transducer. biggest advantage piezo simplification this moreover provides...
The paper describes theoretical and experimental investigation of applying Bouc-Wen model in displacement modeling piezelectric ring benders. Under the increasing demand for more accurate position control systems, various hysteresis models appropriate purpose mechanical systems have been proposed. Most these are based on phenomenological approach, example: Prandtl–Ishlinskii or Krasnosel’skii-Pokrovskii other, friction like Maxwell-slip model. This presents a described analytical form,...
This paper describes the preliminary design and characterization of a dual piezo-bimorph driven micro flapping wing mechanism for potential application in aerial vehicle designs. The basic form is inspired by dragonfly insect. motion actuated two piezoelectric bender actuators. skeletal structure manufactured using 3D printing technology, where Kapton film laminated to printed ABS frame. Finite element analysis (FEA) used guide mechanical dynamics mechanism, predicted resonances between 10...
This paper describes a new robotized station for soldering of through-hole elements on printed circuits boards (PCB). The general structure this with the SCARA type robot is presented along computer-based control system. software prepared and programming procedures described. developed computer system software, whose also presented, applied programming. first main aim to develop data retrieval from Gerber file use them direct second research in application visual pads coordinate recognition....
Plastics recycling has become a key industry in developed countries, to reduce ecological damage and save non-renewable resources. This paper discusses the concept design of electrostatic separator as test bench for separation different plastics applications. In automotive process, all these waste materials must be processed further re-entering cycle or thermal utilization. The following application presents possibility research technological tests by changing several parameters, such...
Abstract In the paper newly designed at Poznan University of Technology (PUT) washing machine controller is presented. The commonly used in machines sensors, drives and other input-output elements are briefly described. PUT based on 32-bit STM32 microcontroller. this modules described their input/output signals basics operations developed user-machine communication devices, methods presents new programming implementation software, such as voice recognition intelligent that were applied controller.