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  1. The Black Shark Auto Flight Control System (AFCS) description in the manual is I believe confusing and lacks sufficient detail to get a good understanding of its operation. This is my attempt to describe its operation in practical terms based on my experience flying the Sim. There may be errors and or omissions. I will update this document as required and would welcome feedback to make it better and or more correct. ------------------------------------------------------------------- The BS Auto Flight System is designed to do the following: 1. Fly the Helo along a desired or planned flight path (ROUTE) 2. Provide Stability Augmentation damping and Attitude holding. 3. Generate Steering commands for the FD system to allow the pilot to manually fly a desired or planned flight path. 4. Provide a rapid Auto turn in the yaw axis on to a designated target. 5. Provide flight control inputs to the Auto Hover and Altitude hold system. AFCS Controls. The KA50 has a number of controls that directly interface with the AFCS system. ROUTE MODE SWITCH This switch is located on the collective leaver and should be regarded as an Auto pilot On/Off switch. It has 3 positions. In the centre position the Route mode switch is Off.In the forward position the AFCS AP is engaged and will actively fly the helicopter. In the rear position the switch is used in conjunction with the Auto Hover mode to provide a controlled descent. The Route Mode switch also works in conjunction with the Desired Heading (DH) - Desired Track (DT) switch. DESIRED HEADING_ DESIRED TRACK ANGLE SWITCH The DH DT switch located on the RH sill panel provides either a Course Reference or Heading reference for the Auto pilot to maintain. In the Desired Track (DT) position the AFCS assumes that the pilot wants to fly the planned track to the active PVI800 Waypoint, that is it selects Course Line steering. A course deviation scale is displayed in the lower portion of the HUD. In the Desired Heading (DH) position the AFCS assumes the pilot wants to fly directly to the Active PVI800 waypoint. In the deselected position (centre) the AFCS assumes the pilot wants to maintain the last set reference heading. ALTITUDE SOURCE SELECT SWITCH This is located on the right Sill panel. The switch selects either Barometric Altitude (BR) or Radar altitude (RD) as the altitude source to be used by AFCS. (it does not affect the altitude display in the HUD) STABILITY AUGMENTATION & FLIGHT DIRECTOR There are two methods used in the BS to provide stability augmentation Attitude Hold modes and full time damping. These are controlled by the 4 Auto pilot push buttons and are also affected by the Trimmer switch and FD switch. There are 4 Autopilot pushbutton switches on the right panel. These switches labelled Pitch hold, Bank Hold, Alt hold and HDG hold are dual function switches. These switches control basic damping and attitude hold modes. With the switches OFF both damping and attitude hold are off. The helo is difficult to fly with no damping or attitude hold function. i.e. its raw control input with no AFCS modification. The ON function of the switches is also affected by the Flight Director (FD) switch selection. FD Switch OFF With the FD Switch off and all 4 Push buttons on then Damping is active and attitude Hold modes are active. The Damping mode is running in the background to take out unwanted oscillations in the respective axis. The Attitude hold mode is a pilot assistance mode that hold the last commanded attitude. The desired Pitch,Roll or HDG attitude is set by the pilot using the trimmer switch. As the pilot releases the trimmer switch the AFCS takes a snapshot of the present Pitch,Bank attitude and heading. These snapshots are then used by the AFCS to within its authority hold these selected attitudes. The pilot can override these attitudes but will find a certain "resistance" to his input as the AFCS attempts to maintain the last datums. If the pilot was to release the controls the AFCS would return the Helo to these last set datums. Though not a recommended technique Pressing and holding the trim switch whilst manoeuvring temporarily disables the attitude hold function (damping is still active), consequently no resistance to control input is felt. As soon as the trimmer switch is released the Attitude hold function again becomes active. In addition the pilot can select specific axes ON or OFF. In many cases whilst manoeuvring it is advantageous to Turn HDG Hold off as this provides smother dynamic heading changes.... recall that damping is still present. FD Switch ON The FD switch does 2 things. It overrides the attitude hold functions regardless of Autopilot push button selection (Damping is still active provided switches are on). It provides HUD steering cues to the pilot to achieve the last commanded performance. The desired performance is set on release of the trimmer switch. again the AFCS takes a snapshot of the Heading (DT/DH switch in the centre) Pitch and roll attitude. These then become the Datum references used by the FD. You can see this most easily by the FD pitch reference markers appearing at the present pitch when the Trimmer switch is released. If the DT/DH switch is in either DT or DH position the heading reference used by the FD comes from the PVI i.e. a heading to go direct to the waypoint (DH) or to intercept/maintain the required inbound track to the waypoint (DT). This can lead to confusion as to what the rudder is doing. (Hint remove the confusion by placing the DT/DH switch in the centre position. In this manner the HUD diamond will always reflect the datum heading the FD and AFCS are using. A quick blip of the trimmer switch will Synch the diamond and AFCS/FD heading reference to present heading) The Collective brake also affects the FD output. If the collective brake is used an altitude snapshot is taken by the AFCS and is used as a datum altitude. The FD then provides altitude cueing in the HUD to return to the datum attitude. This Altitude cueing will only be displayed if the ALT HOLD push button is selected on. Note FD steering cues are only displayed in NAV HUD mode. HDG HOLD & ALT HOLD ADDITIONAL INFO These switches labelled HDG HOLD and ALT HOLD provide a means for the pilot to send a reference heading and or Altitude to the AFCS to be maintained or used as a steering reference. These switches are used in conjunction with the Trimmer and Collective brake. The HDG HOLD switch when selected and provided a reference heading has been set will result in the AFCS applying rudder to yaw the aircraft towards the reference heading. Once on the reference heading rudder commands will be used to maintain this heading. This rudder action can at times conflict with immediate pilot commands and or result in unbalanced flight. If this occurs the HDG HOLD mode should be deselected. ALT HOLD The ALT HOLD switch should be thought off as a Mode arming switch. When selected the AFCS is armed and ready to automatically Hold a specific altitude using small adjustments to rotor pitch angle. to get ALT HOLD to work three things must be done. First ALT HOLD must be on, secondly the pilot must provide close to the required rotor pitch angle (i.e. enough collective) to more or less keep the Vs at 0, finally the pilot must then tell the AFCS to maintain the current altitude. This last step is done by pressing and releasing the collective brake. When the collective brake is released a snapshot of the present altitude (Baro or Radar) is sent to the AFCS to be used as the reference altitude. Whether the AFCS uses Radar or Baro altitude is determined by the position of the Auto pilot Altitude data source select switch on the right sill panel. In the RD position the snapshot altitude reference sent to the AFCS is Radar altitude. In the BR position the snapshot altitude reference sent to the AFCS is Baro altitude. ALT HOLD only has a certain amount of control of the blade pitch angle, i.e is is + - a bit around the collective set pitch. If the collective lever is moved the ALT HOLD function has less blade adjustment to play with. If you move the collective outside of the ALT HOLD range then ALT HOLD does not have enough blade pitch authority to do its job. Ideally the collective brake should effectively lock the collective lever thereby ensuring that that reference blade pitch is fixed and the ALT HOLD function has enough authority to do its job. As long as the collective does not move/drift then ALT HOLD works just fine in BS. Notes: if the ALT HOLD switch is off it will be automatically commanded on when AUTO HOVER is engaged. ALT HOLD is only relevant when used in conjunction with the Collective brake and or Route AP/Auto Hover mode AUTO HOVER SYSTEM The KA50 Auto Hover system is a pilot aid that assists the pilot to maintain a specific Hover point in 3 dimensions. There are numerous equipment interfaces to the Auto Hover system. The Auto Hover system should only be engaged at low speeds (<20Kmh). When engaged the AFCS stores the exact position at which the Hover mode was engaged. This position is used to generate the HUD hover point square and the HSI Hover point reference bar centre point. This Hover reference position can also be updated by the pilot at any time by a momentary blip of the trimmer switch (and collective brake for altitude/height). Provided the Hover point is selected (or updated) at almost 0 speed The Auto Hover system will actively fly the helicopter to the Hover reference point. The Auto Hover system simply attempts to stabilise the Helicopter at a point in space. Minute corrections are used automatically to maintain 0 speed in all axis. The Auto Hover system inputs include: Inertial, Doppler drift and ground speed from a dedicated Auto Hover doppler unit in the lower rear fuselage, Radar altitude, Baro altitude (only above 300metres radar altitude), low speed vanes, and differential static pressure between various static ports. Altitude maintenance in the hover. Provided the pilot has a reasonably accurate Collective position the Auto Hover system uses small adjustments to the blade pitch to maintain the reference Hover Radar altitude (These can be seen by small variations in blade pitch angle, the collective stick will remain in its selected position). Recall that a quick blip of the collective brake resets the Auto Hover reference altitude. If the ALT HOLD switch is off it will automatically be commanded on when AUTO HOVER is engaged. AUTO HOVER has a minimum altitude of 4metres Radar Alt. WARNING : The Auto Hover is only operative to an altitude of 4metres. If an inadvertent descent below 4metres or aborted landing/bounce occurs it is usual for all 4 AFCS pushbutton lights to start flashing. This indicates that an auto deselection has occurred. In this state all damping and attitude hold functions have been deselected. In this situation it is imperative to reselect the switches to regain damping and or attitude hold function. AUTO HOVER DESCENT Whilst in the hover the pilot can also use the AFCS to commence an automatic descent at 2ms. This is done by holding the Route mode switch to its forward position... Route descent. The AFCS will command a small reduction in Blade pitch to initiate the descent (The collective lever will remain stationary). The Helo will descend at 2ms whilst maintaining the Hover point) until the KA50 gets to 4metres Radar Altitude. At this point the Auto Hover system increases blade pitch angle to maintain 4 metres Radar Alt (i.e. exists descent mode). To continue the descent the pilot must manually reduce collective. If the Route descent switch is released the descent will be stopped at the present radar altitude. PILOT OVERRIDE OF AUTO HOVER In the Auto hover the pilot can make small adjustments to override the auto hover system. This is used to drive the helo to the Hover point or to a new Hover point. Small precise cyclic inputs are used to achieve this. The use of HDG HOLD AFCS mode is of great assistance in the hover. When on the desired Hover heading Engage HDG HOLD mode. If a change in heading in the hover is desired deselect HDG HOLD (prevents undesirable rudder commands) yaw to the desired Heading Re-engage HDG Hold. A quick Trimmer blip will synch the current heading and reset the current Hover reference point). An alternative is to simply override HDG Hold, then retrim when on the new heading. AUTO TURN ON TO TARGET This mode can be used in forward flight or the Hover and is considered a tactical mode that operates in the lateral axis only). The Auto Turn on to target mode is simply a method to align Target Line of sight with the Helos for and aft axis. When a target is designated the AFCS systems takes the angular deviation of the SHKVAL head from the aircrafts centreline and simply yaws the KA50 to drive this angular deviation to ZERO. Pilot technique is to designate the target then press the Auto Turn to target switch. As long as this mode is active the AFCS will attempt to keep the SHKVAL Line of sight to zero in the yawing plane. (For the Auto turn on target function to be operative the HDG HOLD mode select switch must be on). (Thanks to all who commented I think I have incorporated most of your input in the rewrite)
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  2. Господа. Предлагаю вашему вниманию конкурс на скорость прохождения слалома под мостом. В приложении сама миссия, и два трека: Славы =ВВ=Azrail (пилота моей группы, и до кучи автора миссии), и мой - =ВВ=967. Внимание: Слава проходил миссию в обратном порядке, но количество опор тоже. Условия: Вхождение на режиме близком к висению – будьте внимательны; Прохождение всех опор моста от ближайшей левой опоры и до реки (время в зачёт); Посадка обязательна; Выкладываем трек. Призов нет, так что без фанатизма – для души. Лично я прошёл (и записал трек) со второго раза. Удачи. P.S. мост.zip - миссия, подмостом.rar - трек Славы, bridge=BB=967.rar - мой трек. P.S.S. Кстати, Слава (в приложеном треке) переплюнул меня в чёткости посадки в ангар: http://forums.eagle.ru/showpost.php?...4&postcount=48 За что ему респект и уважуха.
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  3. What is LEAVU2? Lockon External Avionics Upgrade 2.0 is a mod being developed for Fc2 LEAVU2 is a software package written in JAVA designed to be used for displaying interactive cockpit flight instruments and ingame data on external screens. OpenGL is used to render LEAVU2 2D and 3D instruments, and keyboard and mouse input is captured to allow for interactive user input. Touch screens are also fully supported, as is running the software on multiple separate computers connecting to the same game computer. ( Thank you Schizwiz for making the video! ) LEAVU2 aims to provide a high performance and low cpu usage solution for displaying these instruments realtime, at high enough framerates such that they will be performance wise indistinguishable from ingame instruments when playing. Data is sent from lockon to LEAVU2 over maintained tcp connections at high update rates, and there is support for multiple display computers connecting to the same game computer. If a connection is lost at any time, LEAVU2 will automatically try to repair that connection. One example is for example when restarting missions. There are also thoughts for supporting data input into the sim from LEAVU2 through lua commands directly to lockon, but that is currently not implemented. LEAVU2 has support for any touch screen or normal screens. Cockpit instruments can be drawn both with a GUI ( buttons etc ) and window frame, or if preferred, as a pure OpenGL display. Each display and instrument can also optionally support mouse and/or keyboard input directly, which can allow you to build a physical cockpit setup around them. Development Development of LEAVU is open source and source code is available at: http://kenai.com/projects/leavu2 Right now I'm looking for help in drawing 3d models for cockpit gauges and texturing these models. If you want to contribute to the leavu project we would appreciate all help, remember this project is fully open for anyone to view or contribute to, and it doesnt cost anything. Installation and download links Current version Leavu 2.2010.03.25 available at http://yoda.reservoirselite.com/YoPack/ Currently only manual installation available. An installer program might be created later if there is a lot of interest. Operating systems supported I have confirmed full functionality on these OSes : WinXp32 Win7 pro 32 Win7 pro 64 currently keyboard input is not supported under linux. Current projects * LEAVU steam gauges and other analogue instruments ( on pause ). At this point only has one working instrument, one half finished ADI and waiting to find people who want to model more. * LEAVU F-1x MFD project. By Yoda, GrayGhost, Moa and Hannibal This project aims to provide a mix of F-16/F-15 style MFD for the lockon F-15. Given the F-15 MPCD being very classified, and we only have a few pictures of its navigation, weapons and datalink pages, we use the F-16 MLU as a reference. This means we will get a little less powerful MFD/datalink, but this is sufficient for our purposes. We currently have the following interactive MFD pages : HSD, SMS, FCR and RWR * LEAVU datalink, provides data for the MFD project above * LEAVU threat specific TEWS/RWR sounds. Think Falcon4 how it has specific threat sounds depending on what threat type it sees. Leavu2 has this same capability, to replace the ingame RWR sounds with a much wider and realistic variety of threat sounds. You will need to provide the audio files yourself however. If you want to contribute with your own LEAVU module. Then please do so! make it happen :) .
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  4. ..but if you really have to, make sure you have a handgun loaded with silver bullets:
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  5. Does this sim support piston engined planes?
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  6. маленький апдейт
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  7. I didn't know either, look what happenend to my reputation because I asked a question. Oh well, I know not to ask now... Rest assured I'm not a nasty person like that red dot might suggest.
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  8. No it's not a game bug. I have DX9 on Windows and DX10 video card and still get screwed shadows. I tried to force Vertex Shader to older versions, but still the game draws shadows wrong. It's about DX10 card's internal shader's pipline structure which isn't compatible with LOMAC's full shadows. Cheers, Cola
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  9. H key = hms/nvg on/off Left Alt + T key = Auto hover on/off :)
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  10. I'll try to help you with the first one. Fact is you need to practice a lot - ain't no way around it. Now, I fly using only the KB so it's near impossible for me to transition from forward flight to hover at the spot of my choice. But I've managed to get the machine pretty close to where I wanted to be more often than not now by, 1. Know where I am and where I want to be and slow down wayyyy in advance of where I want to hover. Once I'm about a kilometer of where ever that is, 2. lower the collective + gently pull back on the cyclic (I don't worry about losing or gaining alt at this stage) then 3. once the speed is down to 40 kmh or below then I hit Left Alt+T -- sit back and make sure I don't sink to the ground. 4. once in a stable hover, I manage the alt I want to be. I disable auto hover if I have to. 5. once I'm at desired alt, I point the nose to where I want to be and slowly creep toward my target at about 4-5kph -- it takes ages but it's the only way for me. After you're comfortable with the above then you can concern yourself with maintaining altitude as you coming to a hover. I've never use H so I don't know what it does and have never tried game mode.
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  11. Hello Schwinn, glad you ask Well, yes I have the TQS but I couldn't really figure out how to integrate it. I wanted a real collective with HOTAS buttons on it but I didn't want to go as far as some of the expert pit builders we have on this forum, like building the whole thing from scratch. I was really looking for something simple and cheap. So first, here is the situation: As you can see, I had to build a floor for my pit so I can integrate the old Thrustmaster rudder that I bought on ebay a few days ago for 40 euros (along with a CH yoke I have no use for). But hey, good old (and very rare) Thrustmaster rudder was the only one possible for the pit. It is large enough for the front panel, and it doesn't have toe brake just like the Ka50. Lying on the seat, again the upper panel, unwired, no leds yet and I am still thinking about a way to fix it in the right place. Finaly, you can see the collective!! OK, I had to trade off realism with "quick and cheap". As you can see, I used an old Nostromo N50 that I fixed at the end of a 25mm steel tube painted in black. I am planning to use the Nostromo wheel for controlling the Ka-50 throttle levers, and so, I don't need to go through the hassle to build the two yellow levers with all the pots. I will then use the nostromo hat for controlling the light or maybe the weapons hardpoints. Then I have 10 buttons left for whatever is left for the collective. OK, back of the collective lever, is an hacked Thrustmaster Pro flight control system that I kept for years in all my sim junk closet. The mechanism is pretty good. Don't worry about the wiring. I have to solder some new wires that I will connect to one off the leo bodnar's usb card analog input. Probably the one on the rear right panel. So here it is, the rear left panel with the collective fixed on the Thrustmaster Pro flight control base, two 80mm fans I painted white (I am planning to control them through the 'cab heat' switch (unused in the game). Useless but fun. Same for the cockpit light that is working with the switch. Again, useless but fun. Again, no throttle lever. I will use the Nostromo's wheel for that
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  12. And that is exactly why there is a Sticky Thread, aptly named: Sticky Threads Directory: New Members Read First! Therein contained is the DCS:Black Shark User FAQ...........Second from the top, a comprehensive enough post on the Copy Protection ;) Simple, really............
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  13. Второй файл - Крым, в предыдущий пост грузиться не пожелал. crimee_carte_finale_150ppp.rar
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