Skip to Content

Changes for page Sensor Module

Last modified by Heimir Thordarson on 2026/07/05 12:56
From version 66.3
edited by Heimir Thordarson
on 2026/03/24 14:41
Change comment: There is no comment for this version
To version 67.4
edited by Heimir Thordarson
on 2026/07/05 12:38
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -267,19 +267,34 @@
267 267  
268 268  where:
269 269  
270 -* {{mathjax}}\(Q\){{/mathjax}} = Waterflow through the equivalent orifice
271 -* {{mathjax}}\(C_D \cdot A_D\){{/mathjax}} = practical cross section of the orifice
272 -* {{mathjax}}\(\Delta P\){{/mathjax}} = Pressure difference between the two pressure sensors
273 -* {{mathjax}}\(\rho\){{/mathjax}} = Density of the cooling liquid
270 +* {{mathjax}}\(Q\){{/mathjax}}= Waterflow through the equivalent orifice
271 +* {{mathjax}}\(C_D \cdot A_D\){{/mathjax}}= practical cross section of the orifice
272 +* {{mathjax}}\(\Delta P\){{/mathjax}}= Pressure difference between the two pressure sensors
273 +* {{mathjax}}\(\rho\){{/mathjax}}= Density of the cooling liquid
274 274  
275 275  The sensor used on the AR26 car is the [[Bosch Motorsport PST-F 1>>https://www.bosch-motorsport.de/content/downloads/Raceparts/Resources/pdf/Data%20Sheet_70496907_Pressure_Sensor_Combined_PST-F_1.pdf]] and has the following transfer function for the output voltages based on pressure and temperature.
276 276  
277 277  === Pressure sensor ===
278 278  
279 -The press
279 +The pressure sensor build into the PST-F 1 has an supply voltage of 5 volts and has a output voltage range of 0.5 to 4.5 volts. The following formula shows the pressure based on the output voltage.
280 280  
281 +{{mathjax}}
282 +$$
283 +P = 2.5 \cdot V - \frac{5}{4}
284 +$$
285 +{{/mathjax}}
281 281  
287 +Where:
282 282  
289 +* {{mathjax}}\(P\){{/mathjax}} = Pressure from pressure sensor [bar]
290 +* {{mathjax}}\(V\){{/mathjax}} = Voltage output from the pressure sensor [volts]
291 +
292 +
293 +
294 += Alternative Usecases =
295 +
296 +For the AR26 sensor module, it proved itself being useful in taking extra task if any other systems stopped working. During the Vehicel Status Video (VSV) was the sensor module used as the Vehicle Control Unit (VCU), but did not measure all of the sensors which the original VCU was intended to measure. Using the suspension displacement
297 +
283 283  = Bill of Materials =
284 284  
285 285  == Circuit Board ==