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English to Farsi (Persian) translations [Non-PRO] Tech/Engineering / mechanic engineering
English term or phrase:man
2.7.21-dynamic vehicle position sensors.
These sensor are used for system such as active suspension, stability control and general system where the movement of the vehcle is involved.
most involve the basic principle of an accelerometer;that is,a ball hanging on a string or a seismic mass acting on a sensor.
The above brief look at various sensors hardly scratches the surface of the number of types,and the range of sensor available for specific tasks. the subject of instrumentation is now a science in its own right.the overall intention of this section has been highlight some of the problems and solutions to the measurement of variables associated with vehicle technology.
Sensor used by motor vehicle system are folowing a trend towards greater integration of processing power in the actual sensor.four techniques are considered,startung with the conventional system.figure 2.68 shows each level of sensor integation in a block diagram form.
Analogue sensor in which the signal is transmitted to the ECU via a simple wire circuit.
this technigue is very susceptible to interference.
Integration Level 1.
analogue signal processing is now added to the sensor,this improves the resistance to interference.
Integration Level 2.
At the second level of integration, analogue to digital conversion is also included in the sensor. This signal is made bus compatible (CAN for example) and bence becomes interference proof.
Integration Level 3.
the final level of integration,intelligence, in the form of a microcomuter as part of the sensor.
the digital output will be interference proof. this level of integration will also allow built in monitoring and diagnostic ability.
these types of sensor are very expensive at the time of writing but the price is fakking and will continue to do so as more use is made of the ,intelligent sensor,.