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Surface Plasmon Resonance Sensors..., terrorists and other dubious persons. They are also found in production plants that are involved in usage of gases in production activities. Usually, a system is set with the normal air, a ray of light incident on an analyte and a signal processor (Shuetzle, 1986). When the composition of air changes, the refractive index changes hence the signal processed. The chemical sensors comprise of three main components: a receptor- used to transform chemical energy into electrical energy, a transducer- transforming the electrical energy into a readable signal and a reader- that interprets the signal and quantifies it to meaningful information either through a basic standard or a relative...
10 Pages(2500 words)Term Paper
Velocity sensors.... The first thermostat was made, in 1883. This thermostat can be considered as the first manmade and modern sensor. The 1940s saw the introduction of infrared sensors. However, these sensors gained wide acceptance, in the 1980s (Fraden 41). Thereafter, motion sensors were introduced and they are widely used in different situations. Sensors were introduced because of human need to convert and compute physical quantities. Electronic instruments eased the process of converting and measuring signals from different sources and displaying the physical quantities on an electronic instrument. For instance, the thermostat converts...
3 Pages(750 words)Research Paper
Measurement system in engineering...of the physical quantity. They do not provide accurate measurements and therefore cannot be recorded and kept for future reference.
To overcome this, a new type of device was created. This is called transducer. These transducers are used to convert mechanical quantities into electrical signals which can be recorded. Measurement systems started gaining prominence in engineering and a new genre called “instrumentation” engineering was born.
Typical examples of transducers are
Force → Strain gauge
Pressure → Venturi meter
Flow → Venturi meter
These transducers effectively create a marriage between the mechanical engineering with the electrical/...
2 Pages(500 words)Essay
Performance measurement system.... (Franceschini, Galetto, & Maisano, 2007)
A statistical model needs to be developed to get results of performance and a full picture can never be measured directly and sometimes observation is the only way of coming to a conclusion about performance and you do not get figures to assess with.
The main aim behind a performance management system is to better the performance of an organization. Communicating better in an organization and having a trustful relationship with your peers and bosses is not something that is directly linked to bettering performance than perhaps training individuals but they are indirect measures that will in the long run help to get to the final...
5 Pages(1250 words)Research Paper
Sensors and Control Systems (Electrical and Electronic Engineering)...0.017
0.0785
0.006
0.0263
0.018
0.0674
0.007
0.0249
0.019
0.0590
0.008
0.0236
0.020
0.0525
0.009
0.0472
0.010
0.0429
0.011
DATA ANALYSIS
The revolution per minute (W) increases gradually with increase in output voltage (E).
In Hall Effect Transducer,. The output voltage increases when sensing an increasing magnetic field from the south pole of a magnet, approaching 5.0V, converselythe output decreases when sensing a decreasing magnetic field.
In Inductive Transducer, the amplitude of output voltage decreases as the displacement increase.
CONCLUSION
Sensors to some extent are sensitive to properties other than the property being measured. Most of them are influenced by temperature of...
12 Pages(3000 words)Lab Report
Sensors...A freeze sensor may also be installed to the irrigation system to stop operation at freezing temperatures. Rain sensors are suitable for use in places whose temperatures do not go beyond freezing points.
II. Electrical conductivity sensors
They also use a rainwater collection dish. The system is connected to two electrodes that switch the system after contact is made with the collected water. The collected water rises to a preset level to complete the circuit and shut the system down. Once the water has evaporated and dropped down the preset level, the circuit opens to return the...
10 Pages(2500 words)Assignment
Performance Measurement System...PERFORMANCE MEASUREMENT SYSTEM Importance of using the relevant data instead of convenient data When collecting data for the purpose of performance measurement, there is certainly a difference between what is convenient and what is relevant. This is because convenient data often happens to be the most available, easy to find and ready-made ones that may not necessarily serve the need of the HR manager seeking to undertake performance measurement with the use of a specific system (Becker, Huselid & Ulrich, 2001). Relevant data on the other hand are those that have been identified to be necessary and directly related to the specific outcomes that need to...
3 Pages(750 words)Assignment
Motion Sensors...than one with high packet loss. The available function restricts a server from serving more clients if it is already servicing a load near its maximum load. The likely function is used to determine which of the available servers has the content being requested by a client.
The Akamai CDN uses Query, a custom-developed distributed monitoring system, to manage all of its servers (Cohen, Repantis, McDermott, Smith & Wein, 2010). The CDN supports client businesses that run all day, every day. Network or server outages of even a tiny period of time can cause huge losses. Query was hence developed to provide real-time monitoring for all these distributed servers. Query detects problems and measures...
10 Pages(2500 words)Research Paper
Capacitors Using Charge Sensors...Capacitors Using Charge Sensors
Abstract
The major objective of this lab was to determine the capacitance of different conductor-dielectric geometries by use of “charge-sharing technique. In addition, the lab also involves calculating the amount of voltage cumulated as the result of charge sharing process. From this process, an unknown capacitance is also figured out.
Objective
The purpose of the lab is to determine the capacitance of variety of conductor-dielectric by making use of charge sharing methodology. This would provide benchmark for exploring the principle of conservation of charge in a system. The application of various capacitors with different capacitance also makes it important to...
2 Pages(500 words)Lab Report
SPOT-4 HRVIR and Vegetation SensorsThrough the application of several satellite programming facilities, it was possible to gather off-nadir SPOT-4 HRVIE data, either during the blaze or after some time. An intensive study site (ISS) was then defined to enable comparison of VGT and HRVIR. The ISS was covered by six contiguous SPOT-4 HRVIR scenes. Also, HRVIR scene obtained on 16 April along Rio Branco River was used. Finally, one SPOT-3 HRV image obtained in October the same year was used as a reference of the initial state at the start of the dry season preceding the fires. Short-wave infrared was used in the discrimination of dry soils and dry burned vegetation. Then NOAA images were used to ascertain if an area has been effectively burnt.
The SPOT-4 sensors &ndas...
2 Pages(500 words)Book Report/Review
