Brake pressure sensor (AiM) to usb daq device

Hello all,

I’m trying add a brake pressure sensor for telemetry. I’m thinking about getting the AiM brake pressure sensor, 2000psi 1/8 NPT

( https://www.pegasusautoracing.com/productdetails.asp?RecID=7070 ),

but I also what to integrate the sensor with a usb daq device LabJack U3-HV

( https://labjack.com/products/u3-hv?variant=43176176845049&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&utm_source=google&utm_medium=paid&utm_campaign=15647618047&utm_content=&utm_term=&gadid=&gclid=Cj0KCQiA8aOeBhCWARIsANRFrQHR7r5sqkjBR1A9VtfXszOayEWt-Hb9TejJF7mlJJFAAA-2IT5_J7caAqnsEALw_wcB )

so I can interface the telemetry with MatLab. Would I be able to acquire the signals after splicing the wires?

Answer 1

[Anurag]

Hello Kimi,

As per my understanding of the question, you want to acquire signals from a brake pressure sensor with a USB DAQ device – LabJack U3-HV.

Integrating a brake pressure sensor with a USB data acquisition device like the LabJack U3-HV and interfacing it with MATLAB is possible. Here are the general steps you would need to follow:

• Select the Sensor: Make sure Aim pressure sensor provides an analog voltage output corresponding to the pressure reading.
• Signal Conditioning: Brake pressure sensors typically provide analog voltage signals. Depending on the sensor's output range and LabJack U3-HV's input voltage range, you might need signal conditioning to scale and offset the sensor's output to match the LabJack's input requirements. You may require voltage dividers or amplifiers.
• Wiring: Splice the wires of the sensor and connect them to the LabJack U3-HV's analog input channels. Ensure proper connections and polarity. The LabJack U3-HV typically has multiple analog input channels, so select an appropriate one.
• LabJack U3-HV Configuration: In MATLAB, you would need to interface with the LabJack U3-HV using its provided libraries or drivers. Configure the LabJack to read analog voltage data from the channel to which you've connected the sensor.
• Data Acquisition in MATLAB: Write a MATLAB script to communicate with the LabJack and read the sensor's voltage data. You can use LabJack's MATLAB library or function to do this.
• Data Conversion: Once you have the voltage data, convert it into brake pressure values using the scaling and offset factors determined during signal conditioning

Hope this helped.