Diesel Particulate Filter Testing with Vehicle Data Acquisition

CLEVELAND - March 23, 2022 - PRLog -- Delphin Expert Logger Data Acquisition and Control System

CAS DataLogger's partner Delphin Technology provided a vehicle data acquisition solution for Twin-Tec. This company is a German developer and manufacturer of environmentally friendly products and technologies for reducing exhaust emissions, including a wide range of diesel particulate filters and catalytic converters for automotive applications. Twin-Tec was involved in producing products for retrofitting existing vehicles as well as corresponding replacement products.

Twin-Tec was therefore developing a line of retrofit filters for many different automobile models. Each filter required testing on the road under typical driving conditions to determine filter efficiency—however, virtually every new filter also required a new design due to the wide variety of exhaust systems and their operating conditions.

Installation

Twin-Tec installed a Delphin Expert Logger 200 together with a Garmin GPS-18 sensor to record measurement data from the filters in tandem with vehicle position information. The whole system was installed in a small weatherproof enclosure and its sensors were interfaced to the enclosure through special connectors. During the test drive, data was recorded in the Expert Logger's internal memory.

Usage

The Expert Logger can process each input signal quickly and reliably from all of the different analog sensors for temperature and pressure plus the digital output of the RPM sensor. With 16 GB of internal memory allowing stand-alone operation, it could easily record all of the data from multiple test runs with different driving conditions. To record the vehicle's speed and direction, a driver for a GPS sensor was developed. This GPS-18 was interfaced with the Expert Logger through one of its built-in serial ports. The driver decoded all of the key GPS information like speed, position, and direction and save it in parallel with the other data in internal memory.

Benefits

Twin-Tec benefitted immediately from installing the Delphin Expert Logger 200 system for in-vehicle data acquisition for its diesel particulate filter testing program. Filter temperature, pressure, engine speed, idle times, vehicle position, and speed were all measured during the test drives using one device. The universal analog inputs made it easy to connect all the temperature and pressure sensors, and engineers found it easy to configure the ProfiSignal software to show live reading during the test drives. The vehicle data acquisition system's 16 GB internal memory provided storage capacity for hundreds of kilometers of test drives, and the interface of the GPS sensor also gave Twin-Tec valuable additional information about vehicle speed in combination with engine RPM and particle emission.

For more information on the Delphin Expert Logger, vehicle data acquisition systems, or to find the ideal solution for your application-specific needs, contact a CAS Data Logger Applications Specialist at (800) 956-4437 or visit us at https://www.dataloggerinc.com.