Our advanced daq technologies will shorten time to test dramatically and make sure you get the correct measurements right the first time. Apr 01, 2010 a method for testing road load durability of a truck rear bed includes calculating road pseudo fatigue damage on the rear bed based on road load data indicative of loads imparted on the rear bed while the truck is traveling on a proving road, determining a cyclic input applied to a rear bed assembly mounted on a bench test stand with the rear bed assembly being separated from at least a cab of. Road load data acquisition and vehicle testing with can fd in rlda and vehicle dynamics, testing engineers want to see time syncd data. Jan 22, 2015 hbms data acquisition software catmanap also features a seamless integration of gps data. The mb bsr suite provides predefined test setups for rdla road load data acquisition and drive files. Using the two basic test methods road load data can be obtained with various. Road load data acquisition with catmanap software youtube. The data from the engine dynamometer such as engine speed and torque is recorded by using a data acquisition system. Rlda is defined as road load data acquisition vehicle. An interface was also provided to the vehicle control area network. Tfps2000 mounting kits for load cells ftkftpftklftlftz max load 2000 kg laumas duration. Mar 15, 2019 amplifiers and summing boxesthe output from a load cell is usually a very low voltage, typically in the region of 20mv or 30mv. Temperature can be measured with thermocouples, rtds or thermistors.
Road load data acquisition a totally unified approach combines high accuracy measurement, recording, and data analysis in a user friendly modular package. Pdf road load data estimation on multiaxial test rigs for. Rlda and vehicle testing with canfd pdf in rlda and vehicle dynamics, testing engineers want to see time syncd data fusion at the end of their test getting a full picture of what is going on. The measurement and analysis of road vehicle drag forces. Endtoend solution for road load data acquisition general motors using lms scadas and lms test.
Virtual road load data acquisition in practice at general motors 2011010025 measured vehicle loads have traditionally been used as the basis for development of component, subsystem and vehicle level durability tests. Goktan and others published road load data estimation on multiaxial test rigs for exhaust system vibrations find, read and cite all the research you need on. Derivation of psd profiles for random vibration test based. To understand whether such data can be useful for selffigure 1. Depending on the data acquisition system being used, you will typically need a higher voltage level input, the most common voltages being 01v, 02. Somat mobile data acquisition system mobile daq hbm. See our live video from a test drive, using the quantumx data acqu. This in turn allows for the change in road load and fuel economy to be estimated at any speed, as well as over transient cycles. Rlda stands for road load data acquisition vehicle measurement.
In phase 1, a data acquisition system, incorporating sensors, amplification, signal conditioning and data recording was fitted to the vehicle. A limitation of the ratio of the added auxiliary propulsion power dependent on the actual pedal power is necessary to provide a safe handling for starting, during cornering or for low speed cruising. Adobe acrobat reader dc software is the free global standard for reliably viewing, printing, and commenting on pdf documents. Road load data acquisition system with saej1939 communications network. Aerodynamic drag reduction technologies testing of heavy. Rlda road load data acquisition vehicle measurement. Temperature is a measure of how cold or hot something is, expressed in several different scales, such as celsius, kelvin or fahrenheit. Roadload is the force imparted on a vehicle while driving at constant speed over a smooth level surface from sources such as tire rolling resistance, driveline losses, and aerodynamic drag. Bsr suite software running on a laptop pc combined with multichannel data acquisition and signal conditioning is used for rlda when. Figure 4 test vehicle 3 equipped with metrology for load data acquisition and power measurements figure 5 test vehicle 4 with modified motor control equipped with metrology for power measurements the measurement equipment is accommodated either in a saddlebag, handlebar bag or bike frame bag as depicted. Depending on the data acquisition system being used, you will.
Pdf road load data estimation on multiaxial test rigs. Road load is define as the force or torque which opposes the movement of. Data acquisition basics manual labview data acquisition basics manual january 2000 edition part number 320997e01. Power measurement and road load data acquisition march 2015 figure 2 15 annex xix of regulation eu nr. Virtual road load data acquisition in practice at general. Virtual road load data acquisition in practice at general motors 2011010025 measured vehicle loads have traditionally been used as the basis for development of component, subsystem and. Data acquisition packages for load cell applications that include one 12 or 16 bit 16 channel board with cable. Turnkey system the edaq data acquisition system comes complete with the cables and accessories required to immediately start collecting dataright out of the box. R3 is a data acquisition system build around sirius daq technology.
Road load data acquisition at magna steyr abstract. In the end, you can also make a report and export you data to several formats. Road load ratios of 2 vehicles, both tested as euro 4 and 5 configuration ta 100% comparing the type approval road load curves with the independently determined realistic road load curves, the difference is an additional force that only weakly varies across the whole range of vehicle speeds. Nov 11, 2019 failure analysis is carried out for different rough road rr conditions. Road load data acquisition vehicle components engine exhaust systems suspensionsteering systems environmental testing custom enclosures hotcold thermal shock capability salt, mud spray humidity data acquisitionanalysis laboratory measurements using pcbased data acquisition systems. Road load data acquisition vehicle components engine exhaust systems suspensionsteering systems environmental testing custom enclosures hotcold thermal shock capability salt, mud spray humidity data acquisition analysis laboratory measurements using pcbased data acquisition systems. To transfer the survey to mx you need to select export to mx in the right click menu as shown. How is road load data acquisition vehicle measurement abbreviated.
The somat product family offers the right data acquisition system for every requirement, even under the most difficult conditions. The default acquisition rates for intertek testing services, north america are 100 hz for nontemperaturebased data and 1 hz for temperaturebased data. Load cell measurement with usb data acquisition hardware. Five sets of load stabilizing rods were tested on different road test tracks in rr conditions. In road load data acquisition rlda and vehicle dynamics, testing engineers want to see time syncd data fusion at the end of their test to get a full picture of what is going on. Set the measurement channels, make a measurement and analyse data in our software. For the calculation of time, a precision clock within the data acquisition. Dyno theory chassis dynamometer and road load equation. Vehicle durability testing and road load data dewesoft. Frame torque on chain stay due to electric motor and disc brake 6. May 16, 2012 road load data acquisition at magna steyr abstract. The measured traces form the basis of the vehicle road load curve used subsequently in fuel consumption and.
This combines analog sensors, vehicle bus information, position and movement gnss as well as a camera. Hbms data acquisition software catmanap also features a seamless integration of gps data. The electrodynamic shaker systems are offered in a variety of force ranges, from 100n 25 lbf to 22kn 5,000 lbf. Vehicles of category l1ea and cycles designed to pedal of vehicle category l1eb shall be designed and constructed. This efficient and convenient rlda solution is not only about rugged and robust data acquisition equipment with flexible, builtin universal signal conditioning or synchronized road load time, video and vehicle bus data. Now you can record data from vehicle sensors while also collecting strain or temperature data at other points on the vehicle. Figure 6 shows a schematic of the engine dynamometer. Strain gauges are used to measure the maximum stresses and tensile force induced in the ls rod. The on road fuel economy measurements only supply one lumped result, applicable at the specific test speed, but.
Aerodynamic drag reduction technologies testing of heavyduty. Apr 27, 2017 tfps2000 mounting kits for load cells ftkftpftklftlftz max load 2000 kg laumas duration. A road load data acquisition system from dewesoft is a perfect vehicle durability testing solution for realdrive tests or tests on the road simulator test benches. It features dualcoreadc analog inputs with 160 db dynamic range and acquisition speeds of 200 khz per channel or optional highspeed amplifiers with speeds up to 1 mhz per channel. Road inventory field data system how is road inventory. Figure 4 test vehicle 3 equipped with metrology for load data acquisition and power measurements figure 5 test vehicle 4 with modified motor control equipped with metrology for power measurements. Currently, road load data are measured and provided by the vehicle. In this study, service loads in terms of responsetime history signal was obtained from accredited test track using road load data acquisition. When trained with our data, this deep neural networkbased algorithm. Rlda is defined as road load data acquisition vehicle measurement somewhat frequently. Signal conditioning box and a 2 channel signal conditioning module for load cells. By developing technology to scale road data acquisition to a large number of vehicles, this paper introduces a lowcost yet reliable solution, bigroad, that can derive internal driver inputs i. Power measurement and road load data acquisition march 2015 figure 11 15. The integrated solution for improved vehicle development.
Data acquisition is the process of sampling signals that measure real world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer. Load cell data acquisition adm instrument engineering. Added two current sensors alternator current 12v battery current 4. Road load data acquisition at magna steyr ieee conference. Road load data provides the fundamental information necessary for designreliability analysis of the structural integrity and reliability of vehicle components. Illustration of bigroad containing a smartphone and an imu sensor. Saddleseat post beside these loads the electric input to the motor is recorded and the rotational speed of the crank and the vehicle speed. A method for testing road load durability of a truck rear bed includes calculating road pseudo fatigue damage on the rear bed based on road load data indicative of loads imparted on the.
In the recent data acquisition of transport environment, many data with small data frame such as 1,024 points per frame are obtained and converted to the psd profile by fft method. Estimation of road load parameters via onroad vehicle testing. Electrodynamic shaker systems for vibration testing mb. Failure assessment of loadstabilizing rod in heavyduty. Amplifiers and summing boxesthe output from a load cell is usually a very low voltage, typically in the region of 20mv or 30mv. Lab for road load data acquisition plugandgo data acquisition efficient hardware, easytouse software. Each multibodysimulation model has to be validated.
At this link data acquisition you can find videos running through various feature of the data acquisition tool. Bsr suite software running on a laptop pc combined with multichannel data acquisition and signal conditioning is used for rlda when combined with accelerometers and possibly microphones. Lab for road load data acquisition plugandgo data acquisition efficient hardware, easytouse software dedicated technical support team innovative tools for better brand confidence. Vehicle durability testing and road load data acquisition. Failure analysis is carried out for different rough road rr conditions.
Study on the criteria for the determination of the road load. Road load data acquisition vehicle components engine exhaust systems suspensionsteering systems environmental testing custom enclosures hotcold thermal shock capability salt, mud. Due to reducing costs and development time virtual development is getting more and more important. Electrodynamic shaker systems and amplifiers from mb dynamics help to support a wide range of generalpurpose vibration test requirements. All three daq systems are designed and qualified for use in harsh environments for mobile on and offroad vehicle testing, as well as for test benches with tough. Road load data acquisition is conducted to validate the cae results. Download latest releases of dewesoft x software, dewesoft x addons, firmware and drivers for dewesoft data acquisition devices, technical reference manuals, user guides and brochures. Perform a simple measurement with dewesoft x2 software and a sound card and a webcam. And now, its connected to the adobe document cloud. Tno report 2012 r10237 road load determination of passenger cars.
Manufacturer of vehicle road load data acquisition systems including deadline sensors made from nickel plated tool steel. Jan, 2017 road load is the force imparted on a vehicle while driving at constant speed over a smooth level surface from sources such as tire rolling resistance, driveline losses, and aerodynamic drag. Computeraided acquisition of road load data springerlink. Vibration can be considered to be the oscillation or repetitive motion of an object. Dynomax 2010 the ultimate dynamometer control, dataacquisition, and analysis software, puts an advanced dynamometer lab onto your windows pc or laptop. Electrodynamic shaker systems for vibration testing mb dynamics. Road load data acquisition and vehicle testing with can fd in rlda and vehicle dynamics, testing engineers want to see time syncd data fusion at the end of their test getting a full picture of what is going on.
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