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Sensor de rueda de alta frecuencia multifuncional

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TODE20161111001
Publicado:
17/11/2016
Caducidad:
17/11/2017
Resumen:
Una universidad alemana ha desarrollado un sensor de rueda multifuncional que opera sin contacto y realiza diversas funciones en monitorización de vehículos. Este sensor mide diversos parámetros y puede sustituir a otros sensores. El sensor ARV (analizador de redes vectoriales) realiza las siguientes medidas sin contacto: presión y humedad de los neumáticos, velocidad de la rueda, profundidad del resorte, velocidad de suspensión, ángulo de dirección y detección de cuerpos extraños. La universidad busca socios con el fin de establecer acuerdos de licencia y cooperación técnica.

Details

Tittle:
Multifunctional high-frequency wheel sensor
Summary:
A German university developed a multifunctional wheel sensor which operates contactless and fulfils several functions in vehicle monitoring. The sensor enables a measurement of several parameters and can replace several other sensors. The university offers a license agreement as well as a technical cooperation agreement.
Description:
In today´s passenger cars, a large number of sensors are installed which monitor the vehicle condition. For example, since 2014 all new cars have to be fitted with tire pressure sensors according to the EU regulation. The monitoring of the springs is another very important measuring parameter. The electronics of this sensor weighs about 40 g and is attached to the wheel housing.

A German university developed a vectorial network analyzers (VNA) wheel sensor which can be used for the following contactless measurements: tire pressure, tire moisture, wheel speed, spring depth, suspension speed, steering angel and foreign body detection. The VNA wheel sensor consists of a permissible transmitter for a broadband microwave signal (in the microwave range), a vector network analyser and an evaluation unit.

The entire system operates autonomously and supplies the conditioned measurement points to the CAN bus (Controller Area Network). By means of a simple measuring structure, for example a rubber hose also allows the measurement of the steering angle and the rotational frequency of the wheel (and thus also the speed). The detection of (metallic) foreign bodies in the tire is also possible.

The VNA wheel sensor is mounted in the wheel housing and operates independently from the tire or the rim. Only a simple and cost-effective measuring structure must be applied to the rim. Since the VNA wheel sensor fulfils several sensor functions, it can also replace several sensors in the motor vehicle. This saves on the one hand weight; on the other hand the costs for the sensors themselves and their installation are significantly reduced.

The university offers a license agreement as well as a technical cooperation agreement to companies that are interested in a further development of the methodology. This technology offer addresses interested companies active in the fields of automotive or control engineering.
Advantages and Innovations:
The main innovation of this technology is the size of the device. Usually a VNA is not used for the here described application: it was simply not small enough. Another innovation is the measurement of the tire pressure from outside the tire. Other competitive advantages are:
- Simple construction
- Robust
- Durable
- Not mounted on tire or rim
- Measurement of several parameters possible
- Can replace several other sensors
Stage of Development:
Available for demonstration
IPs:
Patent(s) applied for but not yet granted
CommeR Statunts Regarding IPR Status:
A German and an international patent application were filed, International applications are still possible.

Partner sought

Type and Role of Partner Sought:
The university offers a license agreement as well as a technical cooperation agreement to companies that are interested in a further development of the methodology. This technology offer addresses companies active in the fields of automotive or control engineering.

Client

Type and Size of Client:
University
Already Engaged in Trans-National Cooperation:
Si
Languages Spoken:
English
German

Keywords

Technology Keywords:
02009018 Dispositivos de medida
02009014 Electricidad y electrónica para automoción
02009009 Sensores para coches y transporte
09001009 Tecnología de sensores relacionada con la realización de medidas
09001004 Tecnología eléctrica relacionada con la realización de medidas