acceleration of bench of suspension travel active

my application is a project of active suspension, I need to measure acceleration and integration of two to get the position of an accelerometer sensor.

I found a lot of codes, it only works in simulation, but it does not work when I connect it on the acceleration sensor.

I know that I should remove a CC of the speed signal lag after the integration, but it is not clear how we do.

I know that there are many types of integration features in Labview. which of them I should use.

My accelerometer is ADXL335

 

http://www.analog.com/static/imported-files/data_sheets/ADXL335.PDF

Whenever you perform an integration, your result is an arbitrary constant added to what is essentially your starting value.  You have acceleration data.  If you integrate this, you get the speed, but you will need to add the initial speed to this to get the actual speeds.  When you integrate the second time, you get the positions, but you need to add the starting position for this to get real jobs.  So the constants you add will depend on your actual starting conditions (do not forget that the calculation was invented by Newton to describe physics ).

I usually use Simpon rule for numerical integration, but if you are sensitive to performance, you can use the digital trapezoid rule or rectangle integration.  Before you do anything, you should probably read on them.  The Wikipedia article gives a good overview, but the chapter 4 of the book online Numerical Recipes will give you a much better appreciation for the subject.  Most of these methods of integration is available natively in LabVIEW, so you don't have to write them yourself.

Tags: NI Software

Similar Questions

  • FSX asking the activation key after installation of acceleration.

    Original title: activation problem

    Today, I installed and activated the thenI installed FSX acceleration. When I started to FSX, asked me to activate again. I don't want to use the second key.

    FSX Acceleration has a separate activation code and must be activated also. I bought the FSX Gold edition and it came with the acceleration disc that had its own activation code, the acceleration pack is an option that must activate also. Make sure that, if you use it for private lessons of drivers to install also the scenario generator, otherwise it is not necessary.

  • Fsx acceleration activation

    I tried all the solutions that I can find on medium or in the community. However, the problem is still there.

    I bought the gold (deluxe + acceleration) version. And deluxe is allowed to install, activate, and play. But after that I installed the acceleration, it says that something prevents activation. I tried running it as admin, in functionality mode, reset the licenses, create new user account and uninstall - reinstall it n times (n > 3), which are described in KB 927007, 960481, 925723, 960480, 969886 928080.

    How to solve this problem? Y at - it a chat online and to determine what is my problem?

    Thank for your reply but sorry Srimadhwa. I was redirected to the community HERE in fsInsider.

    Now I uninstalled extension acceleration and it works again.

    And I heard that it is an activation tool to activate fsx separately to run fsx to do this.

    Is this true? How to install it? (it should be official tool, not the thing of 'crack').

  • details on the test of suspension of vehicle (car) with labview real-time

    Hello friends,

    I'm doing phd in the suspension system active semi auto. Here, I need to study and measure all the setting of suspension of the complete vehicle experimentally. . So far, the experimental cost is so high.that too will give the approximate result.

    In the experimental method, we need create the profile of the road using jacks. Its cost too much. I don't want to do that.

    I would like full of model.is of vehicle it is possible to time real suspension test using labview? Let me tell you what I want.

    I have to fix four sensors on four wheels to measure the road disturbance. Then I will join four more sensor on the car body.

    This difference in two reading will give the perfromace of my suspension. Whenever I drive my car, I can get this place profile and the road to the deformation of the car body. Finally, I can measure my performance of car suspension.

    is it possible to get the upward movement of the tire by using sensor in labview? That's what I want exactly. In the experimental method, we spend a lot of time and money to create the profile of the road. but it is already available in envirment. So, I just want to eliminate the road profile. If we eliminate we can easily measure the performance of the suspension.

    The measured value recorded in the vehicle itself using labview computer. So we can better the performace.

    If you do not understand my question pls ask me once again.

    looking for your answer.

    Spengler

    I saw an article that uses labview for quarter car model. but want to do it for the full car model.

    Hello

    I hope that I can understand what you mean, because I did several tests on vehicles and I hope that I can tell you something good for your topic.

    First of all, I am interested in what kind of upward movement? Speed, displacement or same acceleration? You can have a lot of possibilities for a test in the vehicle using LabVIEW, CompactRIO or CompactDAQ, but they are all software problems. If you know which parameter you will measure, we can simply fix the sensors on the suspension and run the test program.

    Also you can collect the State of the car, for instance a speed of ROTATION of the wheels and so on, through the CAN bus.

    If you are you doing PhD on this topic, you may need to find a company to present a better solution. Well, in a Word, it is a part of a doctoral thesis.

    Wilbur

  • not all the window is active, click on

    the links in the upper part of the window cannot be clicked on that I scroll the links that I become unavalable they reached this place

    Hello

    Several users have reported similar problems during the installation of the add-on from Yahoo. You can try to disable this in Tools (Alt + T) > Add-ons, if necessary.

    If this isn't the case, you can also check if this happens in Safe Mode. Safe mode disables the installed Extensionsand themes (appearance) in (Alt + T) Tools > Add-ons. Hardware acceleration is also temporarily disabled - manual setting is Tools > Options > Advanced > general > use hardware acceleration when available. All these settings/options/additional custom modules can also be individually or collectively disabled/enabled/changed to normal mode of Firefox to check if an extension, theme, option or a hardware acceleration is causing issues. Deactivation/activation of hardware acceleration and some types of modules in normal mode may require a restart of Firefox.

    Uninstalling the modules

    Uninstalling toolbars

    Troubleshooting Extensions and themes

    Extensions of the issues

    Options

  • acceleration of direct3d, DirectDraw acceleration, and agp texture acceleration not availble

    Hello

    2 days ago my sister re installed windows and after that when I start a game error accurs acceleration of the direct draw not active frst my windows is 64-bit but nw its 32-bit so plxx tell me wot to do

    "my problem is solved or not.

    Depends on if there is a hardware problem with before reinstalling Windows.

    And you do not need to install 64-bit Windows in any case (assuming that you have 4 GB of RAM or more).

    BTW - including specifications of the system or at least the brand and the model PC, in your message may be useful.

    Be sure to install the drivers, as suggested by Palcouk.

    If the PC is not an OEM (DELL, HP, etc) download the drivers for the motherboard and graphics card

    (if you use a "dedicated" graphics card) from the mfg of this motherboard or graphic card.

    Regarding the updates of Windows. While it is perhaps old fashion and technically unnecessary, I think

    It is safer to install in batches of say, 20 or more, and restart the computer after each batch, even if not prompted to

    do.

    Yes, more trouble now, but there are more confident that there is no update corrupted, and

    catch any problem updates, with a balance she's method.

    It wouldn't hurt to run Windows Disk Cleanup and Defragmenter to once or twice in the

    process. If nothing else it will shorten time of defragmentation needed at the end of the

    installation/update process.

    .

  • Rendering fonts were going badly after update 32.0

    After the recent update, the police started making bad. Kind of blur with jagged edges and transparent parts. It used to be well D:

    Sometimes it is OK for a while I scroll pages, and sometimes when I stop scrolling, the police remains as it is. as if there are specific positions render text correctly. However, not all policies are affected. Those inside the scrollable area.

    Times that the police properly, return the bookmarks is, title bar and the tab name is unaffected and appears is not smooth. Same is not the case on other browsers. All my other system fonts look good; It's really just Firefox.

    Restart Firefox = failed
    Restart computer = failed
    Tried the clear type = setting did not work
    Tried to activate and disable hardware acceleration on Firefox = failed
    Tried the activation and the deactivation of the graphics card itself = failed
    Tried pretty much all the advice I found on Google = none worked
    Tried the complete uninstall and re - install Firefox 32.0 = did not work

    Graphics driver is updated.
    Windows is updated.

    I use Windows 7 Ultimate 32 bit
    Graphics AMD Radeon HD 6800 card

    I fixed it by downgrading to Firefox 31 who assures me that 32.0 is the culprit. As I was about to send the message at the top. I tried without decommissioning as my last resort, and it worked. Now I send you only that in a report. I hope you will understand what caused it because I'm quite strict (OC) that everything in my PC must stay update > _ <. so, I want to use Firefox 32.0 as much as possible.

    You can try with the catalyst beta driver of http://support.amd.com/en-us/kb-artic.../latest-catalyst-windows-beta.aspx? 14.4 catalyst has been blocklisted for direct2d because of stability issues in firefox 32 (bug #984488).

  • Whenever a new window (or even Firefox windows program such as Add-ons, bookmarks, settings, etc.) is opened, Firefox hangs for 30 seconds before you open it.

    I have reset Firefox, then reinstalled, removed all extensions and plugins, uninstalled and reinstalled Flash Player, Java updated, etc. I also created new profiles, which have the same problem.

    The problem does not appear in Mode safe, which is strange because I have disabled all of the built-in extensions and you run the program in normal mode, and the problem persists. At the moment I don't use any extensions, plugins and none of the themes and Firefox still freezes for a short period of time whenever I try to open a new window.

    This problem does not occur in IE or Chrome. I have not installed any programs recently; the problem started happening randomly.

    Hello

    Safe mode also disables themes (appearance) in (Alt + T) Tools > Add-ons. and hardware acceleration - the manual setting is in Tools > Options > Advanced > general > use hardware acceleration when available. All these settings/options/additional custom modules can also be individually or collectively disabled/enabled/changed to normal mode of Firefox to see if a theme, or hardware acceleration is causing issues. Deactivation/activation of hardware acceleration and some types of modules in normal mode may require a restart of Firefox - is a fast way to restart Firefox press SHIFT + F2, type reboot and Enter.

  • I can't click on some objects, for example, the sign in boxes in facebook

    I can't click on objects, for example, the sign in boxes on facebook

    Hello

    Please check if this happens in Safe Mode. Safe mode disables the installed Extensionsand themes (appearance) in (Alt + T) Tools > Add-ons. Hardware acceleration is also temporarily disabled - manual setting is Tools > Options > Advanced > general > use hardware acceleration when available. All these settings/options/additional custom modules can also be individually or collectively disabled/enabled/changed to normal mode of Firefox to check if an extension, theme, option or a hardware acceleration is causing issues. Deactivation/activation of hardware acceleration and some types of modules in normal mode may require a restart of Firefox.

    Uninstalling the modules

    Uninstalling toolbars

    Troubleshooting Extensions and themes

    Extensions of the issues

    Options

    You can also consider the function of Reset Firefox via help (Alt + H) > troubleshooting information.

  • update the bookmarks broken after Firefox 14.01

    Everything worked fine until the update. I can reach the sites with a google search, but the Favorites and bookmarks bar does not work. As far as I can tell that the location information is still correct. Someone else has had this problem before or know of a fix?

    Hello

    Please check if this happens in Safe Mode. Safe mode disables the installed Extensionsand themes (appearance) in (Alt + T) Tools > Add-ons. Hardware acceleration is also temporarily disabled - manual setting is Tools > Options > Advanced > general > use hardware acceleration when available. All these settings/options/additional custom modules can also be individually or collectively disabled/enabled/changed to normal mode of Firefox to check if an extension, theme, option or a hardware acceleration is causing issues. Deactivation/activation of hardware acceleration and some types of modules in normal mode may require a restart of Firefox.

    Uninstalling the modules

    Uninstalling toolbars

    Troubleshooting Extensions and themes

    Extensions of the issues

    Options

    If the problem persists, you can also consider the function of Reset Firefox via help (Alt + H) > troubleshooting information.

  • How to clear cookies not exception list

    In older versions of Firefox I could delete cookies when I leave but NOT erase the list of exceptions. Now that I've updated to 13, Firefox seems to erase all or nothing (cookies and exceptions list).

    Don't I have a setting wrong?
    Is it possible to load screenshots here?

    TNX

    Hello

    Clear history of Firefox closing is selected in Tools (Alt + T) > Options > Privacy, then Preferences of sites within parameters should not be selected. If the problem persists, please also check if this happens in Safe Mode. Safe mode disables the installed Extensionsand themes (appearance) in (Alt + T) Tools > Add-ons. Hardware acceleration is also temporarily disabled - manual setting is Tools > Options > Advanced > general > use hardware acceleration when available. All these settings/options/additional custom modules can also be individually or collectively disabled/enabled/changed to normal mode of Firefox to check if an extension, theme, option or a hardware acceleration is causing issues. Deactivation/activation of hardware acceleration and some types of modules in normal mode may require a restart of Firefox.

    Uninstalling the modules

    Uninstalling toolbars

    Troubleshooting Extensions and themes

    Extensions of the issues

    Options

  • After that I got a update I have download problem

    When I got to other sites for downloading stuff now it takes a few minutes and then after that it says problem loading page

    Hello

    Please check if this happens in Safe Mode. Safe mode disables the installed Extensionsand themes (appearance) in (Alt + T) Tools > Add-ons. Hardware acceleration is also temporarily disabled - manual setting is Tools > Options > Advanced > general > use hardware acceleration when available. All these settings/options/additional custom modules can also be individually or collectively disabled/enabled/changed to normal mode of Firefox to check if an extension, theme, option or a hardware acceleration is causing issues. Deactivation/activation of hardware acceleration and some types of modules in normal mode may require a restart of Firefox.

    Uninstalling the modules

    Uninstalling toolbars

    Troubleshooting Extensions and themes

    Extensions of the issues

    Options

    If you have installed security software (antivirus, firewall etc.), you can try to delete any existing instances of Firefox and files associated with the configuration in all different areas/modules of the security software. Instead create new rules allow or trust for Firefox and associated processes. Even otherwise the security software can also ask again when Firefox is started and you may be able to allow/trust at this time. Please see this.

    The AV/Firewall configuration

  • the new button tab open on the toolbar doesn't work so I can not open a new window. How should not real tech savy, I do?

    the button in the tab tool bar will not work. I can't open many tabs. It was suggested to get rid of the toolbar. I don't have that. How can I fix it
    ?

    Hello

    You can try to check if this in Safe Mode. Safe mode disables the installed Extensionsand themes (appearance) in (Alt + T) Tools > Add-ons. Hardware acceleration is also temporarily disabled - manual setting is Tools > Options > Advanced > general > use hardware acceleration when available. All these settings/options/additional custom modules can also be individually or collectively disabled/enabled/changed to normal mode of Firefox to check if an extension, theme, option or a hardware acceleration is causing issues. Deactivation/activation of hardware acceleration and some types of modules in normal mode may require a restart of Firefox.

    Uninstalling the modules

    Uninstalling toolbars

    Troubleshooting Extensions and themes

    Extensions of the issues

    Options

    An even easier way would be to Reset Firefox by help (Alt + H) > troubleshooting information and start again if all goes well and avoid the problematic add-ons.

  • The popup of the rightclick 'bookmark this page' is missing, where it gives you the list of folders.

    When I'm on a page and I want to favorite I right-click and choose 'Bookmark this page', then the dialog box shows where you see 5 of your files for which you can put the page.
    This dialog box is not displayed since the upgrade to FF13

    Hello

    Please check if this happens in Safe Mode. Safe mode disables the installed Extensionsand themes (appearance) in (Alt + T) Tools > Add-ons. Hardware acceleration is also temporarily disabled - manual setting is Tools > Options > Advanced > general > use hardware acceleration when available. All these settings/options/additional custom modules can also be individually or collectively disabled/enabled/changed to normal mode of Firefox to check if an extension, theme, option or a hardware acceleration is causing issues. Deactivation/activation of hardware acceleration and some types of modules in normal mode may require a restart of Firefox.

    Uninstalling the modules

    Uninstalling toolbars

    Troubleshooting Extensions and themes

    Extensions of the issues

    Options

    If the problem persists, you can also try a new profile. If the new profile is correct, you can then Reset Firefox on the old (previous) profile via help > troubleshooting information.

  • Query string and CopyFile &amp; Delay()

    Hi to all engineers,

    I'm fresh in labwindows & you have some problem with it.

    When I'm programming a program that allows users to enter address CopyFile by themselves, I found congratulate him differs from C. Who commends should I use for the query string? I use GetCtrlVal (panelHandle, PANEL_fileA, & address), but when I run it, it says "too small argument.  And after request chain, how could I record it to the sourcefile targetfile address in CopyFile?

    Another problem is with the command Delay();  Once I use Delay(), such as Delay (3600), the system can work, but the other buttons will be jobless. I don't have other ways to fix it.

    Could U please give me some suggestions?

    Thank you very much

    Wenxin

    Well, here are some suggestions for you.

    With respect to the file name, you may be passing too short a string to retrieve user input in GetCtrlValCVI offers a macro so useful to express the size of a string containing a path, or can dimension chain as a char address [MAX_PATHNAME_LEN]; , then passing it with its simple name (which is in fact already address): GetCtrlVal (panelHandle, PANEL_fileA, address).

    In this case, another clue is to check if the user gave a fullpath, backslashes included: they should be doubled, because a single backslash is interpreted in C as an escape code.

    But perhaps the best suggestion is to let the user navigate to the right destination and give the filename FileSelectPopup wusing, which returns the full path that you can use without formatting, and other changes.

    Regarding the delay, it actually stops the execution of the program until the end of the given period of time, so you must develop your strategy of suspension in a different way. Indeed, a 1 hour stop is a "suspension of activity" more that a simple break, and you must treat her differently, especially if you want to maintain an intervention of the user during this period. For example, you can let the system run disable or hiding banned buttons or divide the interval in littler slices of time using ProcessSystemEvents eprmit handle other events: there are several discussions in the forum that the point of discussthis, so you could did research on it.

    But the first suggestion I can give you is to run the tutorials if you did not already, in order to study basic documentation that comes with CVI and carefully consider some of the examples installed with the environment, which can give you a better understanding of the instrument you use, and answer a few questions as you have.

Maybe you are looking for

  • Download of subfolder

    I want to download my incoming Google email attachments in a specific folder on my computer (within my data structure - for ease in the back of the UPS). In Firefox, I went to tools > Options > named the specific file folder to save downloaded attach

  • Satellite U940 starts with error message after BIOS update

    Hello, I have apologizie for my English, I know that's not the best... I made a mistake very stupit, and now I can't use my new U940 satellite - 103.I updated the BIOS from version 1.2 to version 1.3. Unfortunately, I did not have any recovery media

  • Select the project of the serial port data

    Hello world The project aims to use labview to receive data from a serial port wireless. The serial port will receive two values (X 1 and X 2) every 10 minutes. I want to use these two values as inputs to my formula. How to make the selection? Thank

  • Error code: 80072EFE

    Whenever I try to install latest updates the rom update to Windows, it fails every time with the following error: Error code: 80072EFE Error message: Windows Update encountered an unknown error. What is the problem? How can it be cured? Is there anot

  • Pavilion e153sa: HP Pavillion Touch Pad Settings

    I want to make permanent changes to my touchpad windows 10 settings options are present in the settings/touchpad however at the next startup until they default reloading.  I installed a profile and activated the checkbox to keep my test system as ano