研究与开发

CHINESE
(ta informacja jest widoczna tylko w edycji)

主要研究领域

 

建筑学院

 

  1. 医疗设施
    - 医疗设施的设计,从小型诊所至多功能医院
    - 老年人和残疾人设施设计(建筑和室内设计)
    - 目标:改善生活质量和福祉,支持康复过程

 

  1. 建筑技术
    - 塑造环保的公共空间和建筑
    - 建筑节能 - 近零能耗建筑的预制和结构

 

  1. 历史建筑的保护与保存
    - 将本土模式应用于住宅环境
    - 新形式的区域建筑
    - 当代建筑和城市遗产保护
    -现代主义建筑保护和保存
    - 纪念碑和城市结构的重建和修复

 

  • 建筑与设计:
    - 艺术品的新意义(与工业和为工业的设计)
    - 应用艺术
    - 创新设计
    - 通过设计教育儿童

 

土木与环境工程学院

  • 建筑材料的损坏和断裂力学
  • 钢 - 混凝土复合结构
  • 极限工学
  • 优化
  • 现代结构材料
  • 薄壁结构
  • 创新材料测试
  • 结构动力学
  • 发酵技术
  • 废物处理
  • 生物过程开发
  • 环境生物技术
  • 中试研究
  • 先进的分子和分析方法
  • 全面研究

 

工程管理学院

 

生产管理和物流,具体为:
研究和塑造组织和管理系统; 研究和改进生产系统组织结构的设计方法; 企业组织和适应性管理; 生产企业发展管理; 创业管理; 区域发展方法论; 风险管理;

 

工作环境改造学和质量管理,具体为:
宏观经济学的研究方法和实际应用; 技术制造系统中生产过程的人机工程学诊断和(校正和概念)设计; 机械和技术设备的人机工程学诊断(校正和概念)和设计; 安全工程; 工作台的估计方法和职业风险评估; 在EN和ISO标准以及TQM概念的背景下在机械工业的工作和产品质量水平塑造的方法; 在工业和服务行业中实现质量体系开发过程; 企业的营业和生产过程再造方法; 质量经济学;

 

现代管理理念,包括信息支持系统,知识经济,具体为:
企业战略; 商业计划; 预算系统; 组织结构(包括过程结构); 管理信息系统; 支持管理的计算系统; 精益管理; 敏捷企业; 虚拟企业;

 

经济科学,经济工程和市场营销,具体为
营销理论与工程; 财务和管理会计和控制; 质量和营销企业管理方法; 价值管理和智力资本管理; 经济效益会计; 价格管理; 技术知识加速; 世界经济问题; 经济,区域发展和政治转型; 直接外国投资; 金融市场,商业资金和财务管理; 银行业; 微观,宏观和中观方面的竞争力; 合作营销; 风险管理; 公共采购; 基础设施在市场经济中的作用; 公私伙伴关系; 应用计量经济学

 

创业和商业沟通,具体为:
中小企业; 企业的集群和网络结构; 公共服务管理现代化; 欧盟和波兰的监管现代化; 欧洲社会模式; 支持中小企业发展的工具; 针对企业家的公众支持; 旅游服务管理; 完善公共采购体系.

 

计算学院

 

计算机科学与生物信息学

  • 数据科学(机器学习,数据挖掘)
  • 大数据(数据库,商业智能)
  • 业务研究
  • 人工和计算智能
  • 分布式系统和计算机网络
  • 软件工程
  • 算法,调度和组合学

 

自动控制和机器人

  • 电子计算机设计
  • 数字和模拟电路设计
  • 技术控制论和专业数字系统
  • 非完整控制系统
  • 机器人控制
  • 医疗机器人

 

电子与电信学院

 

通信和计算机网络

 

转换和路由组
- 交换结构的构造和控制
- 分组交换结构和调度算法
- 未来互联网技术
- OpenFlow和软件定义网络

 

交通和路由团队
- 2G / 3G / 4G蜂窝网络的优化和定尺寸
- 多业务3G / 4G移动网络的流量管理机制
- 有线和无线网络中的组播路由算法和协议
- 多服务交换网络的造型
- 可用性有限的系统造型(视频点播,溢流系统)
- 多业务队列系统

 

多媒体通信和微电子
- 视频压缩 - 几种编码方法:AVC,SVC,MVC,HEVC,3D.
- 3D视频创建和处理:深度估计,视图合成,自由视点频。
- 视频处理:监视应用。
- 视频水印.
- 音频压缩和处理
- 视频和音频编解码器实现 - 软件和硬件(FPGA等).
- 数字电视,互动电视,免费电视.
- IP核开发,FPGA编程,FPGA设计

 

多媒体国际标准化:

- 积极参与针对新国际(ISO和ITU)标准的活动:MVC的3D扩展,基于HEVC的3D视频编码

 

通信系统和光电子
- 通信系统,时间和频率质量评估,几个设备结构的同步(例如时间和频率信号源,分配同步信号放大器等)

- 光纤和光子学(声音实验成果(EDFA放大器,可调谐光滤波器,光源,SAW元件...),超密度WDMA

- 低温电子,量子计量学,分布式计算机测量系统,运算放大器和FET在非常低的温度下的性能,纳米线/纳米结构中的电导
- 高级数字信号处理,尤其是医疗应用中

 

无线通信

 

软件无线电(SRD)和认知无线电组
- 灵活多音频传输的技术:OFDM,非连续OFDM(NC-OFDM),滤波组多载波技术(FBMC),广义多音调制,带外功率降低
- 链路自适应技术,可重配置收发器,频谱感知,
- 在电视白空间的传输,软件无线电的实现,
- 无线电传输的频谱和能量有效技术(绿色通信)
- 认知无线电系统中的干扰管理和控制
- 游戏理论在认知无线电中的应用

 

无线系统组
- 无线系统和网络(2G / 3G / 4G / 5G)的PHY和MAC层问题,OFDM系统中的频率和定时同步,适应性均衡器
- 蜂窝网络中的无线电资源管理(例如CoMP)
- 降低PAPR技术,HPA线性化技术
- 在蜂窝系统中应用MIMO, 中继技术和网络编码
- 为4G / 5G系统的无线电波道造型

- 计算机链接和系统级蜂窝系统/网络仿真的方法 - 计算机仿真的强大能力(我们自己设计的计算机集群 - 200多个仿真并行运行)

- ITS系统中的新可靠传输方法
- 超可靠的通信和短误差校正码
- 无线LAN及其改进,
- 迭代接收机,
- 连续相位调制

 

电气工程学院

  • 工程科学中的数学造型以及分析领域中的理论研究
  • 同步定位,映射驱动器和电源转换器
  • 电气和电磁系统的分析,设计,优化
  • 电力系统运行,诊断和供应领域安全方面的发电,输电,配电和创新技术应用问题

 

机械与交通学院

  • 道路车辆动态和控制设计的实验和模拟研究
  • 关于材料科学,摩擦学和表面层的耐久性领域的研究测试
  • 无损检测 - 应用和开发
  • 运输系统
  • 食用机器和食品运输研究
  • 物流
  • 燃烧发动机研究
  • 康复工程
  • 铁路车辆研究
  • 流动的模态分析,
  • 全球稳定性分析,
  • 用于流量控制的低维造型,
  • 空气弹性变形,空气动力学和材料强度的数值计算,
  • 生物力学
  • 能源转换过程研究,
  • 流体压缩机研究,
  • 固体,液体和气体燃料燃烧过程研究,
  • 动力和热量运输研究,
  • 热涡轮机组件评估,
  • 飞机执照考试的培训和准备,
  • 针对Fregata电动滑翔机模拟器的飞行员技能完善培训
  • 非典型建筑材料的造型,
  • 机械设计理论,
  • 设计非常规技术工艺的机器,
  • 机器组件分析,
  • 机电装配设计,其结构性能评估,
  • 机械,液压和气动驱动动力学的设计,研究和数值分析,
  • 利用FEM的建筑物造型和计算机分析,
  • 快速成形技术

 

机械工程与管理学

  • 非牛顿流体力学的现代问题
  • 薄壁壳结构的稳定性和优化
  • 信息技术和实验数据在生物力学系统的振动声学中的应用
  • 智能材料和结构的力学
  • 技术机器的建造,技术和测试,生产  和控制机电设备
  • 生产台和工艺的自动化
  • 通过语音,触觉操纵,视觉系统,无线控制,RFID元件等的人机通信
  • 接触和光学坐标测量,包括通过光学  扫描仪变形的动态测量
  • 各种物体热状态的热像仪测量
  • 粗糙度和地形测量,包括纳米级
  • 通过干涉测量,全息和剪切散斑法测量纳米分辨率的形状误差
  • 材料机械和摩擦学性能的研究
  • 测试耐磨涂层的化学成分,厚度和附着力
  • 使用粉末X射线的固体材料和衍射研究:阶段分析,晶格尺寸和网络的参数的定性,定量测量和低角度衍射SAXS
  • 基于极化曲线的加速腐蚀试验
  • 机械材料的电子化学腐蚀的一般腐蚀和点蚀,钝化过程,阳极溶解的动力学和机理
  • 处理期间鲨鱼皮材料不稳定性的早期检测
  • 聚合物材料和复合材料的DSC测试
  • 确定变化的热效应,即放热或吸热。 化学反应,相变,焓,一阶和二阶相变温度和比热

 

化学技术学院

  • 在磨料工业,生物材料和制药工业中使用的各种材料表征中的反相气相色谱和反相液相色谱应用.
  • 具有特殊性质的聚合物材料(用于医药,药学,电化学装置,纳米复合材料,紫外光固化),其制备和形成机制; 表征(热,机械和物理性质,形态),加工和流变学.
  • 能量存储设备的动力学和热力学。 离子液体作为电解质。 安全锂离子电池
  • 用于比色传感和电子化学的木素磺酸盐稳定的纳米颗粒。 用于能量存储和电子化学传感的纳米结构材料.
  • 功能性填料和聚合物复合材料; 橡胶化合物的活化剂,(生物)添加剂和环保填料.
  • 生物矿化 – 受启发的合成和极限生物模拟; 生物复合材料和生物材料
  • 样品制备; 在痕量和超痕量水平的金属测定; 连用分析技术; 等离子体和微等离子体激发源.
  • 纳米纹理材料(特别是碳及其复合材料)的开发,其电子化学特性以及在化学和电子化学系统中的实际应用(例如超级电容器,锂离子蓄电池,氢存储,燃料电池,传感器和污染物可逆诱捕).
  • 干燥工艺(常规和杂交).
  • 反应分离(反应蒸馏,反应萃取,基于膜的分离技术).
  • 高级功能材料:合成,功能化和应用
  • 污水污染物去除:吸附,光催化,膜过程

 

技术物理学院

  • 表面和纳米结构的形成和表征,超高真空(UHV)技术,扫描探针方法和光谱学,磁场传感器
  • 用于有机光伏应用的弹性和透明电极
  • 纳米工艺和材料的计算造型
  • 研究和分析纳米级的表面结构,粘附力和摩擦力
  • 纳米材料感应 - 碳材料的特性:纳米管,纳米和微米金刚石,石墨烯和石墨烯类材料。
  • 生物材料(人类骨组织,牙齿,胶原等 - 使用拉曼光谱作为诊断工具)
  • 掺杂稀土离子的激光材料
  • 在科学研究中用的设备设计,建造和操作
  • 计量系统中应用激光技术
  • 光谱分析,光谱标准和气体检测器的完整系统
  • 现代工程的原子钟时间和频率标准
  • 超高真空系统的布置

 

 

联系人:

 

Tomasz Łodygowski [托马斯·沃狄郭夫斯基] 教授

校长

tomasz.lodygowski@put.poznan.pl

 

Teofil Jesionowski [泰奥菲尔·耶修诺夫斯基]教授

负责终身教育和国际教育的副校长teofil.jesionowski@put.poznan.pl

 

Magdalena Zawirska-Wolniewicz [玛格达莱娜·扎维斯卡·沃尔涅维奇]

终身教育&国家教育办公室负责人

magdalena.zawirska-wolniewicz@put.poznan.pl

international.edu@put.poznan.pl

 

 

 

ENGLISH
(ta informacja jest widoczna tylko w edycji)

Main Areas of Research

Faculty of Architecture

  1. Healthcare Facilities

- design of Healthcare Facilities ranging from small outpatient clinics to multi-functional hospitals

- design for elderly and disabled people (architecture & interior design)

- the aim: improving the quality of life and well-being, supporting process of rehabilitation

 

 

 

  1. Archi-technology

- eco-friendly shaping of public space and architecture

- building energy-efficiency – prefabrication and structure of nearly zero-energy building

 

  1. Protection & Preservation of historical buildings

- applying vernacular patterns to residential environment

- new forms of regional architecture

- contemporary architecture and urban heritage protection

- protection and preservation of modernistic buildings

- reconstruction and renovation of monuments and urban structures

 

  1. Architecture and design:

- new meaning of piece of art (design with industry and for industry)

- applied arts

- design for innovation

- kids education through design

Faculty of Civil and Environmental Engineering

 

  • Damage and fracture mechanics for building materials
  • Steel-concrete composite structures
  • Extreme engineering
  • Optimisation
  • Modern structural materials
  • Thin walled structures
  • Innovative material testing
  • Dynamics of structures
  • Fermentation technologies
  • Waste management
  • Bioprocess development
  • Environmental biotechnology
  • Pilot-scale research
  • Advanced molecular and analytical methods
  • Full-scale research

Faculty of Engineering Management

 

  1. Production Management and Logistics, specifically:

research and shaping organization and management systems; research and improvement of design methods of organizational structures of production systems; organization and adaptive management of ventures; management of development of production enterprises; entrepreneurship management; methodology of region development; venture management;

 

  1. Ergonomics and Quality Management, specifically:

methodology of research and practical applications of macroergonomics; ergonomic diagnosis and (corrective and concept) design of production processes in technological manufacturing systems; ergonomic diagnosis and (corrective and concept) design of machinery and technological devices; safety engineering; methods of estimation and occupational risk assessment at workstands; methodology of shaping work and product quality level in machinery industry in the context of EN and ISO standards and TQM concept; realization of exploitation processes of pro-quality systems in industry and service; reengineering methods of business and production processes in enterprise; qualitology and quality economics;

 

 

 

  1. Modern concepts of management, including information support systems, knowledge-based economy, specifically:

enterprises strategy; business planning; budget systems; organizational structures including process structures; management information systems; computing systems supporting management; lean management; agile enterprise; virtual enterprise;

 

  1. Economic sciences, economic engineering and marketing, specifically:

marketing theory and engineering; financial and managerial accounting and controlling; methodology of pro-qualitive and marketing enterprise management; value management and intellectual capital management; economic efficiency account; price management; acceleration of technical knowledge; problems of world economy; transformation of system economy, region development and politics; direct foreign investments; financial markets, funding of business and financial management; banking; competitiveness in micro, macro and meso aspects; partnership marketing; risk management; public procurements; role of infrastructure in market economy; public-private partnership; applied econometrics;

 

  1. Entrepreneurship and Business Communication, specifically:

small and medium enterprises; clusters and network structures of firms; Modernization of the management of public services; Regulatory modernization in the EU and Poland; The European Social Model; Instruments supporting the development of Small and Medium Enterprises; Public support for entrepreneurs; Management of tourist services; Improving the public procurement system.

Faculty of Computing

 

  1. Computer Science and Bioinformatics
    • data science (machine learning, data mining)
    • big data (databases, business intelligence)
    • operational research
    • artificial and computational intelligence
    • distributed systems and computer networks
    • software engineering
    • algorithms, scheduling and combinatorics

 

  1. Automatic Control and Robotics
    • computer design in electronics
    • digital and analog circuit design
    • technical cybernetics and specialized digital systems
    • nonholonomic control systems
    • robots control
    • medical robotics

Faculty of Electronics and Telecommunications

 

  1. Communication and Computer Networks

 

  1. Switching and Routing group
    • Architectures and control of switching fabrics
    • Packet switch architectures and scheduling algorithms
    • Technologies of the Future Internet
    • OpenFlow and Software Defined Networks

 

  1. Traffic and routing team
    • Optimization and dimensioning of 2G/3G/4G cellular networks
    • Traffic management mechanisms for multi-service 3G/4G mobile networks
    • Multicast routing algorithms and protocols in wired and wireless networks
    • Modeling of multiservice switching networks
    • Modeling of systems with limited availability  (Video on Demand, Overflow systems)
    • Multiservice queuing systems

 

  1. Multimedia Communications and Microelectronics
  • Video compression – several coding methods: AVC, SVC, MVC, HEVC, 3D.
  • 3D video creation and processing: depth estimation, view synthesis, free-viewpoint video.
  • Video processing: surveillance applications.
  • Video watermarking.
  • Audio compression and processing
  • Video and audio codec implementations - software and hardware (FPGA etc.).
  • Digital television, interactive television, free-view TV.
  • IP cores’ development, FPGA programming, design for FPGA.

 

  1. International standardization activities in multimedia:
    • Active participation in activities aimed at new international (ISO and ITU) standards:  3D extension of MVC and 3D Video Coding HEVC-based

 

  1. Communication Systems and Optoelectronics
    • Synchronization of communication systems, time and frequency quality assessment, construction of several devices (e.g. time and frequency signal source, distributing amplifier of synchronization signals, etc.)
    • fiber optics and photonics (sound experimental achievements (EDFA amplifiers, discretely tuned optical filter, optical sources, SAW elements…), ultra-dense WDMA
    •  Cryogenic electronics, quantum metrology, distributed computer measurement systems, properties of op amps and FETs in very low temperatures, conductance in nanowires/nanostructures
    • Advanced digital signal processing with emphasis on medical applications

 

  1. Wireless Communications

 

  1. Software defined radio (SRD) and cognitive radio group
    • Techniques of flexible multitone transmission: OFDM, non-contiguous OFDM (NC-OFDM), Filter-Bank Based Multicarrier (FBMC), generalized multitone modulations, out-of-band power reduction
    • Link adaptation techniques, reconfigurable transceivers, spectral sensing,
    • Transmission in TV White Spaces, implementation of Software Defined Radio,
    • Spectrally and energy-effective techniques of radio transmission (Green Communications)
    • Interference management in cognitive radio systems and
    • application of game theory in cognitive radio

 

  1. Wireless systems group
    • Physical (PHY) and MAC layer issues of wireless systems and networks (2G/3G/4G/5G), frequency and timing synchronization in OFDM systems, adaptive equalizers
    • Radio resource management in cellular networks (e.g. CoMP)
    • PAPR reduction techniques, HPA linearization techniques
    • Application of MIMO and relay techniques and network coding in cellular systems
    • Modelling of radio channels for 4G/5G systems
    • Methodology of computer link and system level simulation of cellular systems/networks – strong abilities of computer simulations (computer cluster of our own design – more than 200 simulatiom runs in parallel)
    • New reliable transmission methods in ITS systems
    • Ultra reliable communications and short error correction codes
    • Wireless LANS and their improvement,
    • Iterative receivers,
    • Continuous phase modulations

Faculty of Electrical Engineering

 

-mathematical modelling in engineer sciences and the theoretical investigations in the area of analysis

-simultaneous localization, mapping drives and power converters

-analysis, design, optimization of electrical and electromagnetic systems

- generation, transmission, distribution of electricity and innovative technologies applications in power system operation, diagnostics and security of supply

Faculty of Machines and Transportation

 

  • Experimental and simulation research on road vehicle dynamics and design of control
  • Examinations in field of basics of durability regarding tribometrics, materials science and surface layer
  • Non-destructive tests – application and development
  • Transportation systems
  • Research on comestible machines and food transportation
  • Logistics
  • Combustion engines investigations
  • Rehabilitation engineering
  • Rail vehicles investigations
  • Modal analysis of flows,
  • Global analysis of stability,
  • Low-dimensional modelling for flow control,
  • Numerical calculations of aeroelasticity, aerodynamics and materials strength,

 

  • Biomechanics
  • Research on energy conversion processes,
  • Research on fluid-flow compression machines,
  • Examination of solid, liquid and gas fuels combustion processes,
  • Research on transport of momentum and heat,
  • Heat turbines components assessment,
  • Training and preparation for examinations for aircraft licenses,
  • Perfecting trainings of pilot skills on Fregata motoglider simulator.
  • Modelling of non-classical construction materials,
  • Theory of machines design,
  • Design of machines for non-conventional technological processes,
  • Machines assemblies and components analysis,
  • Design of mechatronical assemblies, evaluation of its’ construction properties,
  • Design, research and numerical analysis of mechanical, hydraulic and pneumatic drives dynamics,
  • Modelling and computer analysis of construction utilizing FEM,
  • Rapid Prototyping.

Faculty of Mechanical Engineering and Management

 

  • Modern problems in mechanics of non-Newtonian fluids
  • Stability and optimization of thin-walled shell structures
  • Application of information technologies and experimental data in vibroacoustics of biomechanical systems
  • Mechanics of smart materials and structures
  • Construction, technology and testing of technological machines, production and control mechatronic equipment
  • Automation of production stands and processes
  • Human-machine communication by voice, haptic joystics, vision systems, wireless control, RFID elements etc.
  • Contact and optical coordinate measurement, including dynamic measurement of deformations by optical scanner
  • Thermovision measurement of various objects thermal state
  • Roughness and topograhy measurement, including nano scale
  • Measurement of form errors with nanometric resolution by interferometric, holographic and shearographic methods
  • Examination of materials mechanical and tribological properties
  • Testing of chemical composition, thickness and adhesion of wear resistant coatings
  • Diffraction studies and solid materials using powder X-ray: phase analysis, qualitative, quantitative measurement of the crystallite size and parameters of the network and the low angle diffraction SAXS
  • Accelerated corrosion tests based on the polarization curves
  • Kinetics and mechanisms of electrochemical corrosion of mechanical materials with regard to general corrosion and pitting, passivation processes, anodic dissolution
  • Early detection of the sharkskin instability during processing
  • DSC testing of polymeric materials and composites
  • Determination of thermal effects of changes i.e. exothermic or endothermic. Chemical reactions, phase transitions, enthalpy, specific heat and temperatures of phase transitions of first and second order

Faculty of Chemical Technology

 

  • Application of inverse gas chromatography and inverse liquid chromatography in characterization of various materials used in abrasive industry, biomaterials and pharmaceutical industry.
  • Polymeric materials with special properties (for medicine, pharmacy, electrochemical devices, nanocomposites, UV-curable), their preparation and mechanism of formation; characterization (thermal, mechanical and physical properties, morphology), processing and rheology.
  • Kinetics and thermodynamics of energy storage devices. Ionic liquids as electrolytes. Safe Li-ion batteries.
  • Lignosulfonate-stabilized nanoparticles for colorimetric sensing and electrochemistry. Nanostructured materials for energy storing and electrochemical sensing.
  • Functional fillers and polymer composites; activators of rubber compounds, (bio)additives and eco-friendly fillers.
  • Biomineralization – inspired syntheses and Extreme Biomimetics; biocomposites and biomaterials
  • Sample preparation; metals determination at trace and ultratrace level; hyphenated analytical techniques; plasma and microplasmas excitation sources.
  • Development of nanotextured materials (especially carbons and their composites), their electrochemical characterization, as well as in their practical applications for chemical and electrochemical systems (e.g. supercapacitors, Li-ion accumulators, hydrogen storage, fuel cells, sensors and pollutants reversible trapping).
  • Drying processes (conventional & hybrid).
  • Reactive separations (reactive distillation, reactive extraction, membrane-based separations techniques).
  • Advanced functional materials: synthesis, functionalization and applications
  • Wastewater pollutants removing: adsorption, photocatalysis, membrane processes

Faculty of Technical Physics

  • Formation and characterization of surfaces & nanostructures, Ultra High Vacuum (UHV) techniques, scanning probe methods and spectroscopy, magnetic field sensors
  • Elastic and transparent electrodes for application in organic photovoltaics
  • Computational modeling of nanoscale processes and materials
  • Investigations and analysis of the surface structure, adhesion and friction at nano-scale
  • Sensing nanomaterials -characterization of carbon materials: nanotubes, nano- and microdiamonds, graphen and graphen-like materials.
  • Biological materials (human bone tissue, teeth, collagen, etc.- the use of Raman spectroscopy as a diagnostic tool
  • Laser materials doped with rare earth ions
  • design, construction and operation of the equipment and apparatus in scientific research
  • application of laser techniques for metrological systems
  • complete systems for spectroscopic analysis, spectroscopic standards and gas detectors
  • atomic time and frequency standards for modern engineering
  • arrangement of ultra high vacuum systems

Contact persons:

 

prof. Tomasz Łodygowski
Rector
tomasz.lodygowski@put.poznan.pl

 

prof. Teofil Jesionowski
Prorector for LLL and International Education
teofil.jesionowski@put.poznan.pl

 

Magdalena Zawirska- Wolniewicz
Head of LLL&International Education Office
magdalena.zawirska-wolniewicz@put.poznan.pl
international.edu@put.poznan.pl