Smart solutions, alternative energies, miniaturization of electronic products – PROvendis offers attractive technologies from the field of electrical engineering for licensing, to purchase or for development cooperation.
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LiDAR System Control Method
A dynamic sensor control system for automated driving systems enables the scan field of lidar sensors to be controlled in a targeted manner in order to achieve the greatest possible coverage of the scan field with a small number of sensors and computing power.
TIE
The University of Duisburg has developed a system (TIE) for trellis-based data detection with reduced state count, which is primarily used for modern wireless communication systems. The system is particularly well suited for scenarios with strong multipath propagation and intersymbol interference.
OPTIDOC
With increasing digitalisation, the demands on wireless high-speed data transmission are growing. Traditional systems are reaching their limits because they require high light output on the transmitter side.
TEAPOT
TEAPOT is a method for calculating an extrinsic log-likelihood ratio sequence that was developed specifically for use in wireless communication systems, such as mobile communications.
K-transistor topology
Semiconductor circuits are now an indispensable part of many areas of life as the basis for electronic components. Energy efficiency is often essential in this context. One of the biggest hurdles in the development of circuit topologies with low supply voltages is high process variability.
Optical magnetometer current measuring system
Optical current measuring systems are one way of measuring electric current touchlessly and contactlessly. They use light to determine current precisely. The advantage is that optical transformers are compact, saturation-free, linear, and high-precision. They can detect very large and very small currents in a broad frequency range.
Active interference-suppressed power electronics
High-frequency circuits can cause electromagnetic emissions that impair other electronic systems. In power electronics, it is therefore often necessary to suppress EMC interference by such means as active narrowband filters.
PICOihc
The invention pertains to an integrate-and-hold circuit which is used as a sampler. The typical structure of an integrate-and-hold circuit (IHC) is a multiplier serving as a switch followed by a resettable integrator with a hold capacitor.
CurrentShare
To reduce the input resistance of power modules, single semiconductor switches are usually connected in parallel.
Brake resistor
To decelerate an electric motor, the remaining kinetic and magnetic energy must be removed from the system. This is usually done with brake resistors that convert the energy to heat.
Opto-THC
Sample-and-hold circuits or track-and-hold (TH) circuits, along with analog-to-digital converters (ADCs), are the link from the analog to the digital world.
Measurable latent heat storage systems
Latent heat stores (PCM stores) are heat stores that store a large proportion of the thermal energy supplied to them in the form of conversion enthalpy, the energy required for the transition from one phase (solid/liquid/gaseous) to another. An invention by Westfälische Hochschule and Bochum University of Applied Sciences can determine the stored heat content using piezoelectric elements.
Improvement of Plasma Homogeneity
A retrofittable wall electrode has been developed for homogenizing RF plasmas. A separately controllable RF ring electrode with variable geometry enables targeted edge ionization for homogenizing the plasma density—without modifying the chamber geometry.
New generation of RFID technology
Scientists at the University of Duisburg-Essen have developed a new method for reading electronic tags that works reliably even in interference-intensive environments and can identify and recognize several tags simultaneously. In addition, the absence of chips makes the tags cheaper and more robust.
Affordable rectifier circuit
Rectifier circuit with high efficiency and only two semiconductor switches: An invention from Bielefeld University of Applied Sciences has realized a pulse rectifier with only two semiconductor switches that can be switched off and an electrically isolated DC output voltage. The level of the DC output voltage is freely selectable and the circuit concept is cost-effective and robust.
Organo-Metal Composites
With the aid of the invention, sulphur-free coatings can easily be produced on base metal surfaces. This makes functionalized surfaces accessible, e.g. for sensors etc.
Three-phase electrode
The invention enables non-destructive, electrochemical conversion to organic compounds such as carbonyl compounds and alcohols with high energy efficiency and high current densities. This should enable the electrochemical refining of biomass.
Mitigate radio jamming cyberattacks
Driver assistance systems and automated vehicles offer numerous advantages - but the technology also harbors the risk of cyber-attacks that can hinder communication and jeopardize safety. A process has been developed at Hamm-Lippstadt University of Applied Sciences to detect and mitigate radio jamming in good time.
GaN GIT driver circuit
A new gallium nitride driver circuit allows inverters and frequency converters to switch faster, enabling more efficient power electronics that can switch in the MHz range. The advantage of the new GaN driver circuit from Bonn-Rhein-Sieg University of Applied Sciences is that lower losses occur and higher power densities are achieved.
Magnetic field focusing
Thanks to an invention by Bielefeld University of Applied Sciences and the use of a specially shaped ferrite sheath, the temperature distribution of induction hobs can be made more homogeneous and energy efficiency increased.
Temperature compensation for semiconductors
The technology of the Ruhr-Universität Bochum is a method for minimizing temperature and tolerance effects in MOS circuits, which can be used in series production for all known analog MOS circuit arrangements. Central parameters such as current consumption, dynamic ranges, gains, 1/f input noise and also the frequency responses can be kept constant.
Scalable photodetector
Most optical sensors require an external supply voltage - not so the novel scalable photodetector from the University of Duisburg-Essen. This photodetector can also be processed or manufactured on a foil basis using the MOCVD process. Possible applications include implants without a battery for medical technology.
Greatly improved radar/lidar sensor
Greatly improved distance measurement with radar/lidar sensor through the use of quantum technology. An invention of the University of Paderborn improves radar/lidar systems theoretically up to the resolution limit. Quantum mechanical effects are used here by superimposing several optical signals on a so-called quantum pulse gate (QPG).
Smart power cable monitoring
What is the status of the power cables at the distribution grid level? This information is generally not gathered, since conventional methods such as dissipation factor measurement involve a great deal of effort – and then there are the high costs and power disruption for connected customers.
Wiegand position encoder with Gray code generation
A new technology from the FH Aachen describes a rotation angle sensor for determining the absolute position by means of several Wiegand sensors. The transitions detected by the Wiegand sensors are used in an evaluation circuit to represent the angle of rotation in a Gray code.
EPIC spectrometer
Spectral analysis is used in many areas of measurement technology. But it often requires very large, expensive devices.
Wireless water leakage detection
The battery- and wireless sensor system from the University of Paderborn detects water leaks in buildings, heating systems or the water supply. The permanent and maintenance-free monitoring of bathroom seals, washing machines, basement rooms as well as any kind of water-bearing pipes can be realized reliably and cost-effectively.
Optical magnetometer
The invention can optically measure magnetic fields with high sensitivity and can be used, among other things, for soil investigations, navigation systems or material investigations. The method from the University of Siegen can also be integrated into existing fluorescence microscopes.
Vector spectrometer
An improvement in high-resolution gigahertz and terahertz spectroscopy, now enables sensitive measurements of high-frequency signals over a wide spectral range. The application areas for this technology are in chemical analysis as well as quality control: The sensitivity in the measurement of analysis samples with high-frequency signals can thus be significantly increased.
Selective ion storage
The measurement of molecular spectra is important for the chemical or pharmaceutical industry. The new method from the University of Cologne is suitable for the acquisition of any kind of spectra of ion species such as rotational, vibrational, Ro-vibrational, electronic spectra. The composition of the spin states of electrons and nuclei can also be determined. This opens up completely new areas of application.
Neurostimulation with light
The stimulation of nerve cells with electrical or optical impulses is a field of research with a multitude of new applications in medicine. In the future, optogenetics will be used to research the healing possibilities of neurodegenerative diseases or traumatic injuries by stimulating photosensitized nerve cells.
Improved satellite navigation
Position determination is of great commercial benefit for motor vehicles in logistics or agricultural technology, among others. A multi-antenna receiver system designed as a ballast at Münster University of Applied Sciences can enable high-precision position determination with conventional GNSS receivers down to a few centimeters.
Wiegand position encoder
Rotary encoders or incremental encoders are used in a wide range of industrial applications. An invention from the FH Aachen makes it possible to measure the angle of rotation or the rotational speed with the aid of a Wiegand sensor, which can be designed as a relative or absolute sensor, and a rotor that can be manufactured at low cost.
PLL frequency acquisition
The new and ASIC available PLL circuit of the University of Paderborn can be used in communications or control and measurement technology, especially where a permanent slow sine signal is used e.g. Bang-bang PLL, Hogge PLL, Baud rate CDR, Optical transceivers circuits.
Smart grid expansion
Intelligent power grids can monitor and regulate themselves independently. A new process from the University of Wuppertal makes it possible to stabilize the voltage in grids by installing control units, as well as avoiding overloads.
Photoacoustic gas sensor
Gas sensors are used for the detection of gaseous substances. Resistive measurement methods are often used, but their signal values often exhibit drift due to aging or lose selectivity. A new type of photoacoustic gas sensor (PAS) from the Technical University of Dortmund is different: it detects target gases very precisely and selectively.
Detecting ionizing radiation
Ionizing radiation is harmful to humans and the environment even in the smallest quantities. Therefore, radioactive materials must be continuously monitored in hospitals, mines or reprocessing plants. A novel semiconductor sensor can analyze ionizing radiation in an integrated microfluidic system (in-situ).
Laser absorption spectroscopy
The new method from TU Dotmund uses laser absorption spectroscopy to monitor air quality in order to measure trace gases present, such as methane or CO2. The improved intra-cavity absorption spectroscopy allows the application in measurement technology, industrial process monitoring as well as safety engineering.
Optical Strain Gauge
The novel and all-optical strain measurement method is highly accurate and cost-effective. The strain is determined by means of an optical fiber-based purely optical method and thus also enables use in harsh application fields, such as explosion-proof areas or where disturbing pulsating magnetic fields interfere with conventional strain measurement sensors.
Diamond Schottky LED
LEDs are used today in a wide variety of applications, including lighting, data transmission, and biological processes. However, the commonly used LED materials are unsuitable for many applications. By using doped diamond, these LEDs can be designed specifically for high temperatures or pressures and especially for applications with special requirements, e.g. in optical metrology.
Substitute for LIDAR sensors
Optical components like photodiodes have a variety of uses in sensors and telecommunications technology. Even with time-of-flight sensors, the light reflected by objects has to be converted into electrical signals in order to compute the distance or speed of said objects.
Compensating for Leakage current
Efficient charging of traction batteries is a key technology for the success of electric vehicles on the market. To this end, concepts for transformerless on-board chargers are currently being increasingly considered. Interfering high leakage currents to ground can be prevented or compensated for by this invention.
CMOS biosensors
Production process for a highly sensitive biosensor made from a crossed nanowire-structure field-effect transistor. The cost effective CMOS compatible production process allows for e.g. biosignal monitoring of molecules like c-reactive protein (CRP), cardiac troponin (cTnI), electrogenic cells, or peptides such as amyloid-beta.
Smart charging for electric vehicles
There is a growing trend for electric vehicles. Their drive batteries require charging at high power from the available AC power grid. Three-phase on-board chargers (OBCs) are used for this purpose at high power outputs of at least 11 KW.
GridMaximizer
The electrical power grid is undergoing a major transformation. Increasing numbers of decentralized feeders have been added in recent years and, in the future, there will be a large number of charging stations for electric vehicles that temporarily draw a large amount of electrical power from the power grid.
Future Display Technology
The presented technology is a two dimensional optical waveguide with very low attenuation.