The mobile setup to perform the three-dimensional vision is shown in Figure 2. This arrangement includes an electromechanical device, a CCD camera, a laser line projector and a computer to process the data. In this setup, the laser line is projected perpendicularly on the surface and the CCD image plane is aligned parallel to the reference plane. In this geometry, the laser line reflected to the www.selleckchem.com/products/BIBF1120.html Inhibitors,Modulators,Libraries CCD camera forms an angle that varies according to the position of the reference plane in the z-axis. The orientation of the CCD camera and the laser line orientation are fixed. The alignment of the camera and laser line are described in Section 3. The electromechanical device moves the laser and the camera in the x-axis, y-axis and z-axis. In addition the camera can also be moved toward the laser diode along in the x-axis.
Figure 2.Mobile setup to perform the Inhibitors,Modulators,Libraries three-d
The need for real time, reliable, low maintenance distributed monitoring systems is becoming nowadays more and more obvious in several applications in the environmental, agro-food, medical, and industrial fields [1�C3]. In this sense the growing interest in sensor network technologies and in sensor related technologies in general, is an important indicator of these new needs.Numerous transducers are available on the market with a multitude of different interfaces to provide measurements of all kinds. Typical front-ends are voltage output, current output, capacitive or resistive outputs, and Inhibitors,Modulators,Libraries several digital interfaces such as RS232, I2C, SPI, frequency and bus based interfaces.
The presence of such a large number of different interfaces often makes the design and the realization of complex and/or distributed monitoring systems complex [4]. Moreover, in order to design reliable and effective distributed monitoring systems, other fundamental aspects must be taken into account, such as the Inhibitors,Modulators,Libraries performance and the reliability of the sensors used for the system implementation.To address these issues the concept of an intelligent sensor (also referred to as a smart GSK-3 sensor) was introduced in the recent past [5,6]. A smart sensor can be defined as a sensor with some kind of embedded intelligence (usually provided by a microcontroller), able to carry out advanced functions such as embedded signal conditioning, self-calibration, self-identification, diagnostic and networking activities [7�C10].
In order to achieve these advanced functionalities several smart interfaces for transducers have been recently proposed, often based on ASICs selleck kinase inhibitor solutions [11,12].Some commercial sensors show different degrees of ��smartness��. However the standardization of the interfaces is still an open issue. An important effort in this direction was the introduction of the IEEE 1451 [13�C19] standard for intelligent sensors.