A5057249541- Advanced MEMS and NEMS Technologies
- Embedded Systems Design Techniques
- Mechanical and Optical Resonators
- Interconnection Networks and Systems
- Sensor Technology and Measurement Systems
- Parallel Computing and Optimization Techniques
- Analog and Mixed-Signal Circuit Design
- Advanced Fiber Optic Sensors
- Low-power high-performance VLSI design
- Microfluidic and Capillary Electrophoresis Applications
- Evolutionary Algorithms and Applications
- Acoustic Wave Resonator Technologies
- Theoretical and Computational Physics
- Particle Accelerators and Free-Electron Lasers
- Gene Regulatory Network Analysis
- Silicon Carbide Semiconductor Technologies
- Advanced Thermodynamics and Statistical Mechanics
- Electromagnetic Compatibility and Noise Suppression
- Geophysics and Sensor Technology
- Advancements in Semiconductor Devices and Circuit Design
- RFID technology advancements
- Particle Detector Development and Performance
- VLSI and FPGA Design Techniques
- Advanced Sensor and Energy Harvesting Materials
- Nanopore and Nanochannel Transport Studies
Lodz University of Technology
2013-2024
First Technical University
2023
University of Łódź
2010
The constant development and miniaturization of MEMS sensors invariably provides new possibilities for their use in health-related medical applications. application devices posturographic systems allows faster diagnosis significantly facilitates the work staff. accelerometers constitute a vital part such systems, particularly those intended monitoring patients with imbalance disorders. correct design is crucial gathering data about patient movement ensuring good overall performance entire...
The main goal of the article is to present concept using a simulation environment when designing an advanced fibre-optic seismometer (FOS) field-programmable gate array (FPGA) computing system. first part presents requirements regarding FOS principle operation, as well measurement method closed-loop operation. control algorithm developed high-level language C++ and then it synthesised into FPGA. following describes test operation algorithm. includes model components system, delays,...
After the manufacturing process of a differential capacitive MEMS sensor, capacitance mismatch may occur, which result in unwanted offset output voltage. In this paper, we present design an trimming circuit allows reducing offset. The designed can successfully compensate over 10% total capacitance. novel contribution paper is detailed analysis how be used to mitigate impact parasitics. It shown that help voltage caused by parasitic capacitances due chip pads or those induced layout.
In many applications it is crucial to design reliable and efficient analog readout circuits for micro-electromechanical (MEMS) capacitive sensors. this paper, we describe the switched-capacitor, open-loop, capacitive-sensing circuit, which was designed manufactured in 0.18 μm technology. Non-standard application of a fully differential amplifier structure also presented. The post-layout simulation results are described show proper operation circuit. They that with symmetrical signal path...
In this paper we present the main concept of an electronic device, destined to work as a part system devoted monitoring human gait and movement in daily life. Operation device whole is focused on diagnosis imbalance disorders, especially elderly persons. This small intended be worn by monitored person non-restraining comfortable manner. The data collected are sent accompanying processing unit form e.g. smartphone. After initial processing, obtained then medical center for raising alert,...
In this work, we analysed the difference between measurement and simulation results of thermal drift a custom designed capacitive MEMS accelerometer. It was manufactured in X-FAB XMB10 technology together with dedicated readout circuit XP018 technology. turned out that temperature sensitivity sensor’s output is nonlinear particularly strong negative Celsius range. found mainly caused by sensor influence minimal. Moreover, measurements showed dependence same regardless applied acceleration....
In this paper, a massively parallel implementation of Boltzmann’s thermally activated molecular transport model is presented. This models allows taking into account potential energy barriers in simulations and thus modeling diffusion processes liquids. The implemented as an extension to the basic Dynamic Lattice Liquid (DLL) algorithm on ARUZ, FPGA-based simulator located at BioNanoPark Lodz. advantage approach that it does not use any exponentiation operations, minimizing resource usage...
The presented work provides results and discusses implications for introductory comparison of test temperature dependence the integrated semiconductor system designed as a part imbalance disorder monitoring. Two types chips are taken into account, each them mounted on two PCB versions, provided by different manufacturers. findings comparative analysis obtained previously performed sessions discussed. Their significance paired with low number available setups (chip variants) point to further...
One of the most crucial step in designing MEMS devices is modelling. It allows estimating performance a device without its fabrication and it provides fast optimization process. Very often desired to perform coupled electromechanical simulation when integrates sensor read-out circuit. A classical method uses FEM simulation. Although very precise, requires building 3-D model, solving complex equations does not provide electrical IC Therefore, there are other commercial solutions available on...
Several MEMS (Micro Electro-Mechanical Systems) devices have been analysed and simulated. The new proposed model of SiC MPS (Merged PIN-Schottky) diodes is in full agreement with the real devices. size DLL (Dynamic Lattice Liquid) simulator as well research on modelling simulation modern VLSI practical applications presented. Based experience field ATCA (Advanced Telecommunications Computing Architecture) based systems a proof-of-concept DAQ (data acquisition) system for ITER (International...
Reducing noise in fibre-optic gyroscope (FOG)-based rotational seismometers is crucial guaranteeing their applicability as future high-precision sensors. This paper presents a practical approach to analysis of designed and manufactured FOG-based three-axis seismometer. The performed measurements show that proper identification sources subsequent changes the device’s configuration which addressed these issues, visibly improved Allan deviation plot device. In particular, angle random walk was...
The paper presents the noise analysis of a MEMS and ASIC readout integrated circuit (ROIC) constituting accelerometer developed in frame InnoReh project, aiming at development methods for monitoring patients with imbalance disorders. Several experiments were performed different temperatures configurations: ROIC alone, emulated parasitic capacitances, separate packages, single package. Many noise/interference sources considered. results obtained experimentally compared to theoretical...
During the design of acceleration measuring system, optimal choice sensor parameters may only be made by careful analysis both MEMS itself and readout circuit. Therefore, a coupled electromechanical simulation is usually required. In this paper, we use such to determine values modulation voltage switching frequency which ensure that relative error within acceptable limits. Three capacitive accelerometer structures are analyzed due impact electrostatic force quantified. Based on these...
Methodology for Implementing Scalable Run-Time Reconfigurable Devices The aim of this paper is to present the implementation methodology an ASIC constituting fine-grained array dynamically reconfigurable processing elements. This was developed during work on a device which can operate as typical Field Programmable Gate Array (FPGA) with some bio-inspired features or multi-core Single Instruction Multiple Data (SIMD) processor. Such high diversity possible operating modes makes design...
In this paper we present the design of one-axis comb-drive accelerometer. The 3-D model such device was built and analyzed in Comsol. Mechanical behavior sensor investigated basic parameters extracted as capacitance change, pull-in voltage, eigenfrequency shock resistance. Simulations showed that results are not precise. We found cause inaccuracy incorrect meshing model. Thus show how to perform mesh correctly obtain precise results.
This paper presents the mathematical model of MEMS gyroscope implemented in Matlab/SIMULINK package. was developed with particular emphasis on spring geometry, which plays a key role. Their shape strongly affects eigenfrequencies structure. The focuses output characteristics sense directions showing maximum displacement dependency at different geometry dimensions.
ARUZ (Analizator Rzeczywistych Układów Złożonych, Analyser of Real Complex Systems) is a massively parallel FPGA-based simulator located at BioNanoPark Lodz. This machine has been designed to reflect the Dynamic Lattice Liquid (DLL) algorithm in hardware. In this paper, FPGA implementation details are presented for DLL functionality extension. extension allows taking into account potential energy barriers molecular simulations performed on and thus modeling thermally-activated diffusion...
This paper presents Timing Characterization and constraining Tool (TCT) that facilitates designing of modular reconfigurable Integrated Circuits (ICs) by supporting early constraint-based design space exploration timing constraining. These steps the methodology are crucial from perspective quality results not directly addressed synthesis tools used nowadays. Although idea TCT is presented here using one currently available logic as an example, it can be easily adapted for other ones. Such...
In this paper, the model of chemical reactions on grained molecular level is presented. This allows simulating simple first- and second-order using parallel approach. Proposed has been implemented as an extension to Dynamic Lattice Liquid (DLL) algorithm FPGA cluster – ARUZ (Analyzer Real Complex Systems). An example simulation achieves a performance 4,792 cycles per second ,17×109 Updates Per Second (LUPS), 3.7 times faster than GPU implementation, its result agrees very well with theory...