Czech Technical University in Prague – TechConnect Briefs

Wireless SensorSystem with Bidirectional Communications

Husak M., Boura A., Jakovenko J., Czech Technical University in Prague, CZ

The system contains units: wireless, control, actuator, software equipment. RF wireless unit ensures wireless communication between control unit and sensors as well as wireless switch unit. The control unit controls system operation, i.e. communication transfer, [...]

One-chip MOS Structure for Temperature Flow Sensor

Husak M., Boura A., Jakovenko J., Czech Technical University in Prague, CZ

There is presented a one-chip MOS structure of anemometric sensor system in the paper. The geometric arrangement of temperature sensors allows measurement of temperature gradient. Temperature gradient allows computation of direction of air flow over [...]

Pressure sensor data processing for vertical velocity measurement

Husak M., Jakovenko J., Stanislav L., Czech Technical University in Prague, CZ

There are design and realization of a sensor system for vertical velocity measurement using pressure sensor in the paper. Problem of nonlinearity due to the exponential function of air pressure versus altitude is discussed in [...]

MEMS and NEMS research for education

Husak M., Jakovenko J., Czech Technical University in Prague, CZ

The paper describes methods of active involvement of students in research work and application of research work results in educational process. Individual tasks are parts of solutions of large research projects. Individual work contributes to [...]

Multisensor Network for Distance Data Pick-up

Husak M., Jakovenko J., Vitek T., Czech Technical University in Prague, CZ

The core of the paper describes a multisensor system for measurement and distance data transfer. The realized system for measurement of air temperature, pressure and humidity is described as a example. Eight physical quantities can [...]

MEMS Humidity Structure with Cantilever – Simulation of Behaviour

Suchanek P., Husak M., Czech Technical University in Prague, CZ

The aim of this paper is to report the design of the simple polymers structure humidity sensors and its mechanical and piezorezistive simulation in CoventorWare. Acquired simulation data gets a primary image about sizes bend [...]

Strong and Weak Inversion Mode of MOS in the Design of Direction Sensitivity Matrix

Husak M., Boura A., Jakovenko J., Czech Technical University in Prague, CZ

In the article there is presented a new arrangement of a temperature sensor system for air velocity and direction measurement. The system utilizes temperature dependence of the current through the channel of MOS structure. The [...]

Optimization of GaAs MEMS structures for Microwave Power Sensor

Jakovenko J., Husak M., Lalinsky T., Czech Technical University in Prague, CZ

This work discusses the thermo mechanical simulations performed with the aim to optimise the temperature distribution of the Microwave Power Sensor (MPS) microsystem keeping the thermal stress as low as possible. The concept of the [...]

The Design of Temperature Matrix with Direction Sensitivity

Husak M., Jakovenko J., Kulha P., Janicek V., Czech Technical University in Prague, CZ

There has been designed a matrix of four temperature sensors on a chip. Each temperature sensor is composed of 9 NMOS transistors for increasing temperature sensitivity. The matrix is designed for anemometric measurement of velocity [...]

Macromodel of Intelligent Sensor Structure with Accelometer

Husak M., Jakovenko J., Kulha P., Novak J., Janicek V., Czech Technical University in Prague, CZ

The paper describes conceptual approach to the design of a tilt structure determined for integration on a chip. An accelerometer for measurement of inclination in x and y axes is used as a sensor. There [...]

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