Simulation vital role in building F-35 tactics/development

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spazsinbad

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Unread post22 Nov 2012, 01:29

Worthy of own thread I reckon although on this forum a lot of sim ground covered earlier over last several years, including comment as I recall that the AMES sim was useless; but I don't know myself. Col. Tomassetti would be believable in my view. I would have posted entire article but my forum control laws do not allow (I'm sorry Dave...). :D

Simulation plays vital role in building F-35 tactics and aircraft development
Dave Majumdar 21 Nov 2012

http://www.flightglobal.com/news/articl ... nt-379336/

"...Simulation also played an vital role in the initial development of the F-35, says USMC Col Arthur Tomassetti, vice commander of the US Air Force's 33rd Fighter Wing and test pilot for both the F-35 and X-35 concept demonstrator.

"We got to use some basic simulators in the labs in Fort Worth [Texas] and some very amazing simulators like the vertical motion simulator (VMS) at NASA Ames," Tomassetti says. "At the VMS, much of how the aircraft flies during slow speed approach and in STOVL [short take-off vertical landing] mode were developed."

Additionally, various malfunctions in different modes of flight would be recreated in the simulator environment to refine the F-35's final design. "I cannot tell you how many hundreds of hours I spent in the sims at Fort Worth and Palmdale [California] going through things-what they call failure modes testing," Tomassetti says.

But for many tests there were no pilots involved. Computers would fly the simulators in order to help discover problems and refine the aircraft's design, Tomassetti says. For example, computers would perform hundreds of take-offs in the F-35 simulator while incrementally adjusting the crosswind by half of a degree every time to gauge the effectiveness of the jet's flight control laws. "If we weren't flying the sim, the computer was flying the sim," Tomassetti says.

There was also some simulation work performed in the air.

"Some 'in flight' simulations were done with aircraft like the [Qinetiq] VAAC [Vectored-thrust Aircraft Advanced Control] Harrier and the [Lockheed] VISTA [Variable stability In-flight Simulator Test Aircraft] F-16 that were modified to fly like the JSF," Tomassetti says...."

Best to read it all at the JUMPinJiminy above because that relates to the new F-35B squadron at YMMV and how that will pan out.
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Unread post26 Nov 2012, 20:59

IN FOCUS: Simulation seen as key to cost-effective military training Dave Majumdar 26 Nov 2012

http://www.flightglobal.com/news/articl ... ng-379182/

"As defence outlays start to shrink after a decade of growth, the US Department of Defense is exploring the increased use of flight-simulation technology to cut back on fuel costs and reduce the wear and tear on its aircraft fleet.

But to what extent can simulations really replace live flying? And would that really save money?

"There is no data to accurately quantify to what extent simulators can replace live flying for Air Force fighter/bomber training," says the US Air Force's Air Combat Command (ACC), responsible for organising, training, equipping and maintaining the combat air force (CAF).

"ACC has done several studies and evaluations of live and simulator training to determine the right mix of live and virtual training that maximises combat readiness while reducing training costs in today's fiscally constrained environment," says USAF major command. While the technology has great strengths in terms of procedural training and large-force employment exercises, it also has some serious accuracy limitations. "ACC also views most simulator training as a complement versus a replacement of live fly training due to the strengths of each training medium," says USAF....

...The latest US military simulators for the F-35 use the same software as the actual jet, Tomassetti says. That means that, theoretically, everything in the simulator should match what the real aircraft does.

Discussing the graphics offered by the F-35 simulator, Tomassetti notes that a student will be able to pick out the difference between different classes of armoured vehicles visually in the simulator. Visual representations have traditionally been a major limitation for flight simulators, particularly at close ranges and for terrain.

But even the state-of-the art F-35 simulator does not move, and certain factors such as flight-control response times cannot necessarily be modelled with 100% fidelity. "How the airplane flies in the sim is the best we can do without having a real airplane attached," Tomassetti says. "But even that level of effort that went into making that level of fidelity, is much more than we've had in other airplane programmes."...

...For the US Navy, the problem is even more acute. There is no substitute for some of the specialised tasks naval aviators are required to carry out - such as carrier landings - which must be performed in a real aircraft.

As Lt Cdr Ben Charles - simulation fleet project team chairman for the USN's Strike Fighter Wing Pacific and instructor pilot for the Boeing F/A-18E/F Super Hornet - notes, "there is no substitute for actual flight hours: gs, environment, flying form, taking off from the boat, landing on the boat - night and day. There is no equivalent for that, but when [student pilots] do get in a jet, they're more ready".

Carrier qualifications are an especially difficult skill to master and represent one area where live flying is essential.

There are, however, those who advocate increasing carrier qualification training in simulators to reduce naval aviators' required flight hours. "That makes us as flightcrew very nervous," Charles says.

Perhaps where the simulator is most lacking is that students are always consciously aware that there is no real danger. Another senior USAF pilot says: "You simply cannot replace the sight, sound, smell, g-forces and fear you experience when actually flying."

Charles concurs. "You can't put the fear of dying in the sim," he says. "You can't ever replicate the fact that if you get low at the boat that you will actually hit the boat."

For many younger pilots, "getting in the simulator is playing a very expensive video game", Charles says. "Now, there are folks who are very good in the sim, but do very poorly in the jet."

Charles says many young pilots are simply overwhelmed by having to operate the aircraft and its systems while simultaneously experiencing g-forces and other airborne environmental factors. "But on the other hand, there are some folks who do mediocre in the sim and get in the jet and they perform very well," he says....

...But the USN wants eventually to link disparate units from across the globe virtually so they can train together in a scheme called fleet synthetic training.

However, the USN system will not just be limited to aircraft, Charles says. Aegis air and missile defence warships such as the Ticonderoga-class cruisers and Arleigh Burke-class destroyers will eventually be linked. While initially the system will primarily be shore-based, it may eventually be deployed on board carriers. When the system becomes operational, the USN will be able to run large-force exercises with forces distributed around the globe completely virtually...."

This is a LONG, very informative article so PLEASE read the entire word count at the URL. Tah. :D
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Unread post26 Nov 2012, 21:23

Last edited by SpudmanWP on 26 Nov 2012, 21:45, edited 1 time in total.
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Unread post26 Nov 2012, 21:42

'SWP', thanks excellent PDF. As pointed out in another thread the 'motion sim' is not in general use but used for test purposes only. I'll find the link. FMS is Full Mission Simulator. This thread page has details of the special motion sim:

http://www.f-16.net/index.php?name=PNph ... fms#235354 (stroll down)

U.S. Government Refuses South Korean Flight Testing on F-35. F-15SE and Eurofighter Will Be Flight Tested For Competition While F-35 Tests Will Be Done On A Simulator June 7, 2012

http://blogs.ottawacitizen.com/2012/06/ ... simulator/

"...Q: Can Korea fly the F-35?
Answer: At this time the F-35 fleet is fully occupied with test, training and delivery activities, so Korea will not be able to fly the aircraft. Potential customers like Korea have the opportunity for multiple pilots to fly the high-fidelity Manned Tactical Simulator similar to operations conducted by the U.S. Services and F-35 international partners and customers. In addition, potential customers can also fly the F-35 Handling Qualities Simulator which is a motion-based system that allows an assessment of F-35 handling / flying qualities and is the same simulator used by test pilots for their initial training. Potential customers may also have the opportunity to closely observe F-35 flight operations, discuss F-35 capabilities with USAF and Lockheed Martin test pilots, participate in pre-flight and post-flight pilot activities, and observe or participate in numerous types of maintenance activities."...
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Unread post26 Nov 2012, 21:49

One thing I saw with the Pilot In The Loop (PITL) testing is that they use a real ICP (there are two, one large and one small). Page 16
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Unread post26 Nov 2012, 22:18

Yes thanks for pointing that out. I have a big smile on my face due to long ago experience with 'giant computer architecture' in large airconditioned computer rooms. My last year in the RAN (1974-5) was involved with a TURANA ship launched gun recoverable target spinoff from the IKARA torpedo/ASW carrying recoverable missile. Despite some successful testing the project did not fly. My role was to develop flight plans and such via a hybrid computer (valves and circuit boards). Apparently the valve components at the time better simulated the flight characteristics.

My mind boggling role (amongst other things) - until I got used to it - was to interpret reams of numbers spewed out on long sheets of paper, that every second recorded flight parameters, then I drew diagrams etc. The valve computer was massive compared to the HP circuit board computer. :-) An IBM 360 computer in those days had a 1Kb memory chip that was the size of your finger. A 1Mb Memory Cabinet (max. for that time) was the size of a very large cabinet as seen on that PDF page you mention! If the freezing aircon in the computer room stopped very soon the computer had to stop. Dem twere days. :D
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Unread post06 Dec 2012, 08:59

Immersive flight training December 5, 2012 By Courtney Howard Executive Editor

http://www.avionics-intelligence.com/ar ... ining.html

"...First for the F-35
Lockheed Martin installed the first F-35 Lightning II Full Mission Simulator (FMS) last month at Marine Corps Air Station (MCAS) Yuma, Ariz., which will be home to the first operational Marine Corps F-35 squadron worldwide. Two of six planned Joint Strike Fighter FMS systems have been installed on site, explains Mary Ann Horter, vice president for F-35 sustainment at Lockheed Martin Global Training and Logistics. The FMS installation and software completion will allow pilot familiarization and transition scenarios to begin later this year.

"The FMS includes a high-fidelity, 360-degree visual display system and is the highest-fidelity trainer in the F-35 pilot-training-device suite, accurately replicating all F-35 sensors and weapons deployment," Horter says.

"Due to the fidelity of the simulators, approximately 50 percent of the core syllabus flights for the F-35 program are accomplished in the simulator," says Lt. Col. Dwight DeJong, director of the Joint Strike Fighter Site Activation Team for MCAS Yuma. "This becomes extremely cost effective with realistic training that is independent of the weather, maintenance, and range availability that can challenge daily operations."

MCAS Yuma will host five F-35 squadrons and one operational test and evaluation squadron. Marine Fighter Attack Squadron 121 will be the first operational F-35 squadron on station.

The Air Force's variant of the Joint Strike Fighter is undergoing training evaluation by military personnel at the Testing and Operations Center at Eglin Air Force Base, Fla. "Data from all aspects of training-including maintenance, classroom, simulators, and live flight-is being collected during stringent testing," Horter says. "At the successful conclusion of the evaluation, we will receive the Air Education and Training Command's approval to begin full training."

The Air Force's 33rd Fighter Wing has accomplished more than 200 F-35 exercises with A and B variants to help improve pilot and maintainer familiarity with the aircraft and exercise the logistics infrastructure...."
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Unread post13 Dec 2012, 04:30

Good back and forth on sims with/without G effects in this blog/article + VIDEOS:

ATFS 400 Phoenix-can it truly replicate the feel of flying a fighter? By Dave Majumdar on December 13, 2012

http://www.flightglobal.com/blogs/the-d ... truly.html

with reference to: IN FOCUS: Simulation seen as key to cost-effective military training 26 Nov 2012

http://www.flightglobal.com/news/articl ... ng-379182/

Wot I believe has been looked at here already? If not we shoulda. Looks like the article that started this thread has morphed into the one above. SLDinfo does this also but do not put dates on their articles so morphing is easier I suppose (but they never proofread so howlers abound).
__________

The videos mentioned we have probably already seen in an earlier thread about sims and AFTS G effects but anyway:

ATFS-400 Promo
http://vimeo.com/38781866
&
ETC DMO Video
http://vimeo.com/50060844
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Unread post13 Dec 2012, 05:27

Can't speak for fighter training; but I was once in a United Airlines simulator when I was a teenage student pilot in Denver, CO (one of their instructors happened to go to my church). I was amazed how close it felt to the real thing.
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Unread post10 Jan 2013, 07:37

I'll imagine that these 8 F-35 Sims will be networked for tactics development with the MAWTS tgam also - not just used as singletons for pilot training or whatever.... Must be weird (to me anyway) doing flat deck training in a HOT desert. :D Maybe this environment will replicate the 'East of Sewers' problem that some in the UK are so worried about? :D I guess the FCLP deck will be at least 200 feet AMSL if not more!

MCAS Yuma to have full squadron of F-35B fighters by end of year Spirit of Yuma January 09, 2013 James Gilbert

http://www.yumasun.com/news/aircraft-84 ... n-new.html

"...Flight operations with the new F-35B are scheduled to begin in January of 2013 and will occur on a daily basis.

MCAS Yuma has been a very busy place the past two years as it has prepared for the arrival of the new aircraft, pilots and crews. About $400 million has been invested in the construction of infrastructure so far.

In total, as much as $500 million could be allotted to the air station by 2015, including $100 million this year. Some future projects over the next three years include a Security Operations building and new Combat Aircraft Loading apron.

A simulator building has already been completed, with eight F-35 flight simulators being installed. In addition, a new utility communications facility and a new maintenance facility are being erected. A second hangar is expected to be completed this fall.

Construction is also under way on a new Field-Carrier Landing Practice training facility on the Barry M. Goldwater Range that will be used to train F-35 pilots on how to land on the deck of amphibious assault ships at sea. The project is expected to be completed by July 2013.

Among the already completed and near-completed projects are two new hangars, which cost about $38 million each. While specifically being designed for the F-35B, the hangars can also be used to maintain other aircraft if needed...."
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Unread post11 Jan 2013, 01:49

Spas quoted ".. on how to land on the deck of amphibious assault ships at sea...."[/quote]

Push the Landing button .. :)
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Unread post11 Jan 2013, 02:17

I'll imagine that the new facility will be dual use for Harriers and not just only F-35Bs until 2025 or so? PUSH THE PHREAKIN' BUTTON! :D
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Unread post16 Feb 2013, 23:33

Eglin’s F-35 flight simulators integral part of pilot training
By LAUREN SAGE REINLIE

"EGLIN AFB — To use the military’s new multi-million dollar, state-of-the-art F-35 flight simulators, pilots must first be in the dark.

When a pilot steps into the expansive room that houses a simulator — about 40 feet by 50 feet with a towering 40-foot ceiling — it’s pitch black.

The entire room is painted matte black. The only light comes from reflectors along a walkway that leads the pilot up to a full-size replica of the fighter jet’s cockpit.

Once the pilot is inside, the cockpit slides along a conveyor belt through a small opening and into the actual simulator, a 30-foot globe resembling a giant golf ball."

http://www.nwfdailynews.com/military/to ... ng-1.96767
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Unread post17 Feb 2013, 00:03

Sounds like a mushroom farm. :D I guess the fertiliser is not B/S but a good dose of sim reality.
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Unread post20 Feb 2013, 20:00

Next-gen training for tech-savvy F-35 pilots By Joshua Stewart 20 Feb 2013

http://www.navytimes.com/prime/2013/02/ ... er-022513/

"The Navy’s fifth-generation fighter includes a touch-screen display that one test pilot likened to an iPad and the most advanced technology suite of any jet in military history. So when it comes to training F-35 Lightning II pilots, officials have...." No subscription for moi but probably interesting?
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