E2214H, detachable Base Stand is

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• guidance inertia temperature control

  Dear people,

  I would ask for advice from experienced people in control theory.

  Recently, I'm working on a very interesting device, it is called inertial guidance vacuum calorimeter (there is a type of isothermal calorimeter). I'm doing a new LabView program for this camera, and I try to increase its stability/accuracy as much as I can. This calorimeter can measure heat sample level micro-watt powers. The principle of measurement is the following (see attached diagram):

  We want to measure the heat flowing from the outside door-sample, this is done via Peltier (thermoelectric sensor) sensor. To obtain valid data, temperature must be very precisely constant everywhere in the calorimeter (isothermal method). The inner parts of the calorimeter thermally protected against ambient temperature with blank shields and high radiation. Double room empty closed circulates water through a heat exchanger, the heat reservoir.

  For thermal stability, there are 3 loops controlled:

  1 control loop. : this controls using PID, (method of classic platinum resistance 4W) constant water temperature

  2 control loop. : this is the first step to stabilize the temperature of the inner part, PID loop classic platinum resistance and drives a pump to Peltier heat between the support and the "base". This can achieve only a constancy of temperature around 0.1 mK.

  3 control loop. : when the ultimate stability is reached with the control loop 2, it is off, and his conduct of the current production constant value. Now the loop3 begins, and that's the tricky part: there is a cylindrical copper heavy 'inertial mass' with high calorific value (much higher then the base) standing on the base. Because it has a high calorific, even temperature fluctuations very tiny in the performance of temperature-controlled database a measurable voltage in the thermoelectric sensor between inertial mass and the base. This value is measured by the meter nanovoltage (Keithley). So I use this value to control the heat under the base pumps.  In principle, if there is no heat flowing between inertial mass and the base, we are in thermal equilibrium.

  With this concept, it is possible the stability of temperature range well below nanokelvins!

  Recently, I play with the control settings, but only using simple PID controls (I have the PID toolkit). The method explained above is a kind of analogy of inertial guidance in mechanical control. I wonder if someone could give me advice or direction how I could further improve the stability of this control. Perhaps some more advanced control system? Feed-forward?

  Thank you very much for the advice,

  Kind regards

  If I follow correctly, the feedback control loop 3 is measured using the Keithley via GPIB.  And these readings take approximately 0.6 seconds. The control loop cannot work faster than the measurement system (unless you want a lot more unstable!).  Most high precision instruments offer a compromise between resolution and speed.  I took a look at the profile of 2182 and it seems you may have need of any resolution, so accelerate may not be an option.

  The approach of bottle neck is probably a good with all that you have done so far.  It will help you to avoid putting too much time into something that won't make much improvement.

  Another thought: how noisy/drifty are power supplies/amplifiers driving Peltier devices?  I worked on a system several years ago, where the objective was stability uK ~ 10 and noise and drift in the power circuits were the main limitations.  Most of the engineers designing such devices never think of parts per million or fractions.  Especially with the slow return of nanovoltmeter, drift or noise in the power circuts could be important.  Also look at how the constant output mode that the external loops are open loop constantly.

  Lynn

• 3DES ASA5505-50-BUN-K9 [resolved] license problem

  Hello

  I have ASA505 with disabled 3DES, I heard that I can have the 3DES free license, so I contacted cisco more of 10 times to get the permit, and whenever they send me the same license as my base standing key: 5321ec6e 102e534b fc21e96c 841c8ca8 ce1727aa

  I don't understand the problem, here is the result show activation key:

  Running Permanent Activation Key:
  
  0x5321ec6e 0x102e534b 0xfc21e96c 0x841c8ca8 0xce1727aa
  
  

  Licensed features for this platform:

  Maximum Physical Interfaces    : 8              perpetual

  VLANs                          : 3              DMZ Restricted

  Dual ISPs                      : Disabled       perpetual

  VLAN Trunk Ports               : 0              perpetual

  Inside Hosts                   : 50             perpetual

  Failover                       : Disabled       perpetual

  VPN-DES                        : Enabled        perpetual

  VPN-3DES-AES                   : Disabled       perpetual

  SSL VPN Peers                  : 2              perpetual

  Total VPN Peers                : 10             perpetual

  Shared License                 : Disabled       perpetual

  AnyConnect for Mobile          : Disabled       perpetual

  AnyConnect for Cisco VPN Phone : Disabled       perpetual

  AnyConnect Essentials          : Disabled       perpetual

  Advanced Endpoint Assessment   : Disabled       perpetual

  Botnet Traffic Filter          : Disabled       perpetual

  Intercompany Media Engine      : Disabled       perpetual

  This platform has a Base license.

  The flash permanent activation key is the SAME as the running permanent key.

  And the license key cisco send me whenever isexactely the same, but it should enable the 3DES encryption algorithm:

  Inside Hosts                    : 50        

  Failover                        : Disabled  

  Encryption-DES                  : Enabled   

  Encryption-3DES-AES             : Enabled   

  Security Contexts               : Default   

  GTP/GPRS                        : Disabled  

  AnyConnect Premium Peers        : Default   

  Other VPN Peers                 : Default   

  Advanced Endpoint Assessment    : Disabled  

  AnyConnect for Mobile           : Disabled  

  AnyConnect for Cisco VPN Phone  : Disabled  

  Shared License                  : Disabled  

  UC Phone Proxy Sessions         : Default   

  Total UC Proxy Sessions         : Default   

  AnyConnect Essentials           : Disabled  

  Botnet Traffic Filter           : Disabled  

  Intercompany Media Engine       : Disabled  

  Platform = asa

  JMX152040DW: 5321ec6e 102e534b fc21e96c 841c8ca8 ce1727aa

  

  Can someone tell me where is the problem please?

  Thank you in advance.

  Plug this serial number on the EEG of tool licenses the activation key that you noted but also the text:

  "ASA5500-BA-K9.

  Beware, our records indicate that the material Cisco ASA firewall serial NUMBER you have submitted your registration was previously the license FOR a larger feature SET. »

  What other licenses has been done on this SAA? Are you the original owner? You must call the TAC for sorting if you aren't.

• "Facile'copiare a file dal pc fisico che"contains"Vsphere, all'interno delle VM 'nested' create Vsphere stesso con.

  Buon afternoon a tutti,.

  Come ho accennato nel titolo, ho dei problemi a facile'copiare dei file, che ho sulla macchina knew cui ho da Vsphere, all'interno delle nested VM.

  Per intenderci, avrei need di installare e SQL express it Vcenter all'interno di queste VM, pero non riesco a facile'copiare questo file (nel senso che is lo prendo e lo trascino, mi esce con icona it base, stand a significare che knew quella macchina non posso facile'copiare nulla).

  Ho cercato di bypassare questo problema copiando therefore I file in una drive flash usb, e connettendola al pc fisico knew cui gira Vsphere, he problema e che anche Così, non riesco ad open memoria flash slab VM.

  Qualcuno mi una Mano da? Grazie...

  Ho pensato che può essere a problema di non?

  No I like che he operating system free sulle Nested VM, sia settato per 'read only', e comunque, anche to ditch the USB io lo the poter vedere, o wrong ROM?

  by usb passthrough:

  http://KB.VMware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalID=1022290

  to hai need di altri lumi in google vai e cerca: vmware usb passthrough, ti esce di tutto e di più!

• X230T - standing on three legs instead of four. Basis of wobbling. It is a defect.

  I know that this problem was first posted by XThinkpadUser, and the thread was closed by the mod with a conclusion blurred.

  I had the same problem as well as many other problems, so I went to my first machine, then ordered a new.

  When re-ordering, I forgot to uprade the wifi card so I called immediately cancelled the order, received a confirmation email and then rearranged. Even with the confirmation of cancellation email, Lenovo always went ahead and built machines and shipped to me.

  I had two machines, and first of all, I opened one with intel wifi 6205. He was wobbling on three feet only when the lid is opened about 120 degrees. EC that a disappointment, but at least it doesn't have other problems like cover distorted, or dirty under the screen just above the hinge things.

  Then I tried the other who has the card wifi base lenovo, to my surprise, it was sitting completely flat!

  I even tried swapping batteries (two a 6 cells) of the two, and which had no effect. The stable was stable whatever happens.

  My conclusion is that the 3 standing feet problem is a real problem in prey on X230Ts, unlike that lenovo wants you to think. If you use a battery of 3 cells, however, you probably won't notice this problem. 2 of 3 machines, I hit this problem, so maybe it's why Lenovo won't approach this correctly ($$$).

  hp79 wrote:

  My conclusion is that the 3 standing feet problem is a real problem in prey on X230Ts, unlike that lenovo wants you to think.

  I wish that the engineers of Lenovo agrees with you! They have me send my x230t to their headquarters and personally committed (apparently) that my computer doesn't have a problem.

  So either a PR, marketing, legal department intervened and lied, or engineers can legitimately make the difference between a wobbly and non-bancal design. I'm not sure that it drains my trust in Lenovo more. I use the ThinkPads since 1997. What do have to lose by being honest with me?

• Re: Need new Stand/Base for TV

  I had my TV mounted on supports, but move to a rental so I just need to put the TV on a stand, BUT I'm not. Anyone know where I can get a new one?

  Ask your local Distributor. Maybe he can give you good advice where you can get a new one.

  Who knows what TV you have.

• Toshiba 32BV801B looking for a replacement stand

  Hi, I have a 32 "32BV801B TV model. I am currently looking for a replacement stand but can't find one that says it fits this particular model. No one knows what the other models have the same position that will fit. Thank you

  Found that the base for model 32KV501B works also for the model 32BV801B.

• base station password

  When I use airport utility to change the configuration of my stand he didn't ask me for the password for the base station... This means that anyone can edit my airport extreme without knowledge and provide the password?

  No, most likely, administrator of your base station password recorded in the keychain on your Mac.

  You can check it using the Keychain Access utility. Passwords administrator base station would have the value Kind of "AirPort base station password."

• How to dismantle the stand iMAC 21.5?

  I want to bring my Mac as carry-on when I fly!

  The size of the base unit is correct, but the booth, it's too big!

  If I could dismantle the stand I would be able to bring the full Mac.

  But how?

  Unless you literally remove all component to close inside your iMac to the stand (not a good idea) you can't, sorry.

• Toshiba 22L1334G gets stand in automatic mode

  Hello

  I'm an agent of technical support for a multinational company and I write about a problem that we have with the following Toshiba TV: Toshiba 22L1334G - 22 "- L1 Series TV LED." We purchased several televisions to our subsidiaries in different countries, if it has a global impact for us.
  The TV is connected to an Intel next unit via an HDMI cable. On the NUC Intel it runs a Media4Display player who runs several multimedia content on TV.

  The problem that appears is that TV will not continually run the content because the next day when I arrive at the office of the TV is already in standby mode, even if the NUC Intel works normally and he doesn't stop the media player.

  I already tried all the settings that are available in the TV menu, as follows:

  1. Fashion store (Enabled - tested-> TV is in stand by mode the next day. Disabled - tested-> TV is in stand by mode next day)
  2. Energy saving mode - he has been on the disabled
  3. Movie mode: it has been tested on both AUTO and OFF mode, the result is the same: TV is in stand by mode next day
  4. Auto setting TV OFF: Off
  5. Power mode: last State (there are also on standby, but this isn't what we want)
  6. Source: HDMI (as this is the way which we the TV connected to the NUC Intel).

  Could you please tell us what other settings that we need to select so that the TV to operate 24/24 h (maybe firmware update is needed? Can you provide me with the old and the firmware update procedure)? It is really important for us that the content is displayed permanently.

  PS: We also have Samsung televisions who do not have this kind of problem, they have been working since the first day (just plug-and-play procedure).

  Please notify.

  Thank you

  The media player PC should also have little energy parameters, if it is executed on the basis of Windows. Are you sure they are disabled, so that when you connect the PC to another view the next day (after the 22 '' TV is off), it will always work and show a picture?
  Just to be sure, that the fault is not related to the playback source, because this sounds like there is an interaction between the source and the screen, which tells the power off display.
  If so, is there an OSD message prominently on TV the next day, when you turn it on manually?

• Cover/Stand for ThinkPad Helix when it is used in the form of tablets - all Solutions?

  Like my Helix TP, but I think it's not as convenient to use as a table, because I do not have a stand for her. I have to lay it flat on the surface, or to hold with one hand (and therefore typing with one hand). All the solutions out there? I'm not aware of a cover or support for the entire computer. But even if there was just a cover or a support I could use when in tablet mode (re: no attached keyboard). Thank you!

  Good day and welcome to the community.

  Yours is a 1st generation machine? If Yes, what would you say to put in the configuration of 'stand' as shown here:
  http://support.Lenovo.com/us/en/products/laptops-and-netbooks/ThinkPad-Helix-series-laptops/ThinkPad...

  With a 2nd generation machine, I think you would need to have Pro KB/base to get the same setup. I don't think it's possible with the standard ultrabook KB/base.

  Does that help?
  Kind regards.

• Detach the Citadel of database move

  Hello

  I'm upgrading from the computer that I use for datalogging. I want to spend my database of the Citadel. Ive tried after the intrucctions here: http://digital.ni.com/public.nsf/allkb/2B0C74744BB37391862571F500067C64 , but when I go to detach the database, I get an error "the operation cannot be completed because the resource is being used by another client." There is nothing else running outside MAX, as far as I know.

  Do I really need to detach the database, if I use it again on this computer?  Can I just copy the above data folder?

  Thank you

  Mike

  Hi mooseo,

  It seems that this error occurs when the process is always connected in Distributed System Manager.  Try this article in the knowledge base (do not step 3, the another KB article you have here instead)

  http://digital.NI.com/public.nsf/allkb/5E68A6BC5526F165862573BD005C1A42?OpenDocument

  It is probably safe to detach and move the database.

  Let me know how it goes.

• Windows Media Player ActiveX plays do not image, but the stand alone WMP application. Why?

  I use my Windows Media Player v11 with extra codec to play mp4 files (mp4 are not supported by default with WMP 11, so I had to install a codec). It works very well in the stand-alone application, but when I use the ActiveX control in the regulation, it does not use the codec and I get only sound... no picture. I thought that the ActiveX was merely an interface to the same application of base used by OR and the stand alone media player. And if it's the same kernel, it must use the same codec. What Miss me?

  I have a tip for you. If you download Quicktime 7 (QT), you can select the QT activex player (see picture). It plays mp4 and seems better. QT is free, so there shouldn't be any problem. Try and see if it make you good

• Need Acer G245HQL monitor stand/mounts, where can I find them?

  So I looked on the site of replacement of parts, and I couldn't find any monitor type to search for. If there is a better way then please tell me, but if I could get the model No. For Acer G245HQL support, I can call the support and understand. Please note that I am completely new to this

  Hello

  1 here are the references of the models:

  • UM. UG5AA.001 - G245HQL bd
  • UM. UG5AA.002 - G245HQL bmd
    You can compare these with the first 10 characters of your S/N.

  2 here is the reference numbers of the stand (neck + base):

• How do I see what I burn on my aloan stand home dvd player.

  I burned a dvd. But I can watch the dvd on my computer, but not on my reader dvd standaloan. It gets more complicated all the time. the closest I can fill a dvd successfully, it seems to be that I'm missing. I have read the guide dvdflick and attempted to finalize my burn, but then burn IMG takes over and img burn not adopted for ntsc format. Can some a unmask for me what I am doing wrong...

  Some free-standing DVD players will not play a DVD-video made home.

  In any case... maybe the info will help you:

  Tutorial DVD Flick
  http://beginwithsoftware.com/videoguides/DVD-flick-Guide.html

  Burn any Format video DVD PC
  http://www.freevideoworkshop.com/dvdflicktutorial.htm

  AVI to DVD with DVD Flick Guide
  http://www.Digital-Digest.com/articles/AVI_to_DVD_using_DVD_Flick_page1.html

  To create a video DVD base that should play in a free
  permanent drive DVD... try the following...

  First... read the DVD Flick Guide to familiarize
  with the program.

  Open DVD Flick and insert a blank DVD in your drive.

  If the window of Autorun from your computer... just close it.

  Click the project settings button and check... Video /.
  Target format... residents United States... Choose... NTSC /.
  Accept.

  The title button left click Add and navigate to your
  Video clips and select the ones you want on the DVD.

  You can have by selecting one and then use
  the up and down buttons.

  Left click on the button create DVD / OK / Yes / Yes.

  Please wait while the DVD is created.

  When the text "Completed successfully" is displayed you
  DVD Flick can close. Now you can eject your DVD
  and play in your DVD player.

  At some point you might want to buy more
  Advanced Cyberlink, Nero, Roxio, software
  Ulead, etc... but at least it is a start.

  Good luck.