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Our experts provide you with valuable content in the field of Test & Measurement technology and the associated challenges .
Listed below is an overview of all our free whitepaper downloads.
You can download them quickly and easily and use them as reference for future tasks. Explore a variety of topics and benefit from the know-how of our experts.
IEPE® (Integrated Electronics Piezo Electric) sensors are based on the piezoelectric effect. Charge is moved when a force is applied to the piezoceramic. The force is either produced from pressure or seismic mass, when the mass is exposed to an acceleration (F=m×a).
Typical sensors are pressure and acceleration sensors.
The TRION-1850-MULTI module (18 bit, 5 MS/s) provides up to 20 mA IEPE® current excitation to achieve high bandwidth at long connection cables.
Most of the mechanical stress measurements are done with quarter bridge gauges. So one active gauge is used to determine the stress situation at a particular point or part of the mechanical structure. Caused by the small resistance change of the strain gauge, the gauge is used in a Wheatstone Bridge circuit, completed to a full bridge.
This completion is already provided from the strain gauge amplifier itself. Depending on the gauge, 120R or 350R, R3 must be provided internally from the amplifier. Most amplifiers provide 2Wire, 3Wire or 4Wire connection. Up front, TRION3-1850-MULTI is providing all of them!
DEWETRON DAQ Systems facing the challenges during testing.
The Headlight Test and Rating Protocol released by the Insurance Institute for Highway Safety prescribes a testing scenario to evaluate and rate the on-road illumination provided by passenger headlight systems.
During the test, the Vehicle Unter Test (VUT) shall drive along five different tracks. Luxmeters located at the end of the tracks measure the light emission of the headlight during the approach. The VUT is steered autonomously by a driving robot to ensure the repeatability of the test.
Several challenges occur during the test. The whitepaper describes the measurement solution provided by DEWETRON to meet these challenges.
To examine the welding quality, the current source of a welding machine has been tested. Caused by the high test cycles needed for this application, it was mandatory to analyze the data already during recording.
At the end of the measurement the key parameters like MAX, MIN, AVG of current should be available for each cycle.
Lane Departure Warning Systems (LDW), Lane Keeping Assistant Systems (LKA) and Lane Support Systems (LSS) are active safety systems and integrated in each modern vehicle to warn the driver if the vehicle begins to move out of its lane.
The introduction of these systems has reduced the number of accidents significantly.
The development of these systems and their functional safety evaluation is a very complex process as multiple different parameters need to be acquired time synchronously, analyzed and evaluated.
A data acquisition system that meets the requirements of such tests and solves the challenges test engineers encounter is presented in the following discourse.
Read our whitepaper about how to meet the challenges to evaluate functional safety.
There are many interface-languages spoken, like in real life, and it is much easier to communicate with someone who understands your language.
Read our whitepaper about DEWETRONs world of testbed and automation interfaces.
During ADAS testing, it is a challenge to precisely measure the relative position and velocity between vehicles, while longitudinal guidance systems are evaluated, and to determine the position of the vehicle, while the lateral guidance system is tested.
Meanwhile, the functionality of different subsystems like speed control systems, emergency brake assistants, collision alert systems and lane departure assistants must be evaluated and analyzed as individual components and as a complete system.
DEWETRON offers measurably different measurement solutions to comprehensively test these safety and driver assistant components – explore our solution.
You think that synchronous calculation of all input channels during driving of an Electrical Vehicle including power values, all interfaces and IMU data in one single system is not possible?
Explore our state of the art solution for dynamic processes and determination of efficiency and losses during real drive and test bench according to the latest standards!
A minibar is a mandatory amenity for all good hotels. A manufacturer of such compressors approached DEWETRON for a measurement system to assess the noise and vibration caused by the compressor in an anechoic test chamber.
This whitepaper explains the challenges of such a test and introduces DEWETRON’s solution.
The OXYGEN data acquisition software, included in every DEWETRON instrument, can process hundreds of channels. Analogue, Digital, Counter, CAN and Inertial data are only a few examples.
Depending on the instrument, systems with up to 144 analogue input channels can be realized. But some applications like wind tunnel tests, durability tests, and vibration tests require a much higher channel count. For these particular applications the channel count is between 200 and 1000 channels! Find out more about the OXYGEN-NET feature of our software.
Traditionally, power testing, measurement and analysis have been expensive and time consuming. With improved power analysis technology, complete solutions to testing requirements become efficient and economical.
Learn the DEWETRON way of power analysis.
To increase the driving comfort of the passengers and reduce the accident potential during parking scenarios, OEM and TIER1s develop Advanced Driver Assistant Systems that support the driver during the parking process.
In the past years, different parking assist features have been developed that provide different kind of feedback to the driver.
To support test engineers during the testing and development phase of parking systems, DEWETRONs OXYGEN Automotive plugin is the intuitive, flexible and versatile measurement solution for these measurement campaigns.
Platooning describes the idea and research topic of letting several vehicles drive behind each other in a convoy in close and constant distance to improve the wind resistance and the fuel consumption. Especially for trucks driving on highways, this topic is under strong development.
If you want to gain more knowledge about the challenges and a measurable different approach to get measurement data for evaluating the quality of Platooning, download the following Whitepaper.
This whitepaper describes typical problems, solutions and user advantages in electrical power analysis that are achieved with new approaches in hardware and software technology.
Find out more about DEWETRON’s Power Analyzer DEWE2-PA7 and how to meet today’s requirements.