AI Gunners need adjustment, escpecialy ZU-23

[GumidekCZ]

I made a research mission with single L-39 flying about 1,5km around battle position of all types of ZU-23 present in game. The result was stoning! How AI is precise and accurate, be able to shoot down something flying with easy maneuver 1,5km away at 700kph. Bullets flying in close vicinity of airframe and with bullet dispersion, there is very good chance that couple of them will hit. If the L-39 will be shot down or not, is not aim of this discussion.

Than I made my another mission, where I added Shilka and Vulcan, by this mission I proved with my friends, that Shilka and Vulcan has only slightly better chance to shoot L-39 down (taking account better rate of fire).

 

The thing is that Human with only optical sight can barely estimate range and even worse speed and lead angle.

I studied sensors.lua DCS script and found the source of problem. Very accurate coefficient for human gunners without range finder and without radar guidance.

 

WSN_3.deviation_error_azimuth = 0.001 - inaccuracy of 1m at range of 1000m - would be very good result on static target of good shooter equipped with laser range finder to calculate ballistic drop.

But, overall inaccuracy is combination of all 5 coefficient down in lua script.

 

And there comes into equation the speed of the target:

WSN_4.deviation_error_speed_sensor = 0.2 - sadly I don’t know, how big inaccuracy will this value give us, but I know, that only after I changed this to value around 0.4, I started to observe reasonable aiming skills of trained army soldier.

Well, OK, but what about Insurgents? They are very well know shooting on something far beyond effective weapon range without any skills. Yes, DCS need to be simple, and that’s why he shoot same way as his well trained friend from army.

What about stability of ZU-23 system mounted on vehicle? We all know the pickup trucks can almost flip over :lol:, WSN_3.deviation_error_stability = 0.04 ... when comparing ZU-23 on ground and mounted on truck I was not able to recognize any difference, even when raised this value to 0.4 (x10).

 

How should result look like at the end? ZU-23 able to shot down helicopter, but chance of hit or even to shot down plane needs to very very low. By thinking now, new parameter raised in my mind. Target Angular Speed around all three axes of ZU-23. Less speed = better chance to hit. Could this be already existing parameter WSN_3.deviation_error_speed_sensor = 0.2? I gues that not.

 

-- softpoint mount, machinegun_12_7, machinegun_7_62, RPG

WSN_1 = {}

WSN_1.deviation_error_azimuth = 0.005

WSN_1.deviation_error_elevation = 0.005

WSN_1.deviation_error_speed_sensor = 0.2

WSN_1.deviation_error_stability = 0.05

WSN_1.deviation_error_distance = 0.2

 

-- human gunner, hardpoint mount, automatic_gun_KPVT

WSN_2 = {}

WSN_2.deviation_error_azimuth = 0.003

WSN_2.deviation_error_elevation = 0.003

WSN_2.deviation_error_speed_sensor = 0.2

WSN_2.deviation_error_stability = 0.05

WSN_2.deviation_error_distance = 0.1

 

-- human gunner, hardpoint mount, ZU-23

WSN_3 = {}

WSN_3.deviation_error_azimuth = 0.001

WSN_3.deviation_error_elevation = 0.001

WSN_3.deviation_error_speed_sensor = 0.2

WSN_3.deviation_error_stability = 0.04

WSN_3.deviation_error_distance = 0.1

 

-- human gunner, hardpoint mount, BMP-2, Marder, LAV-25

WSN_4 = {}

WSN_4.deviation_error_azimuth = 0.001

WSN_4.deviation_error_elevation = 0.001

WSN_4.deviation_error_speed_sensor = 0.2

WSN_4.deviation_error_stability = 0.01

WSN_4.deviation_error_distance = 0.1

 

-- human gunner, hardpoint mount, rangefinder, M2, M6, BMP-3

WSN_11 = {}

WSN_11.deviation_error_azimuth = 0.0007

WSN_11.deviation_error_elevation = 0.0007

WSN_11.deviation_error_speed_sensor = 0.15

WSN_11.deviation_error_stability = 0.01

WSN_11.deviation_error_distance = 0.015

 

-- automatic gunner, hardpoint mount, radar rangefinder, Tunguska, Vulcan, Kortik, Phalanx, Gepard, AK630, Shilka

WSN_5 = {}

WSN_5.deviation_error_azimuth = 0.0007

WSN_5.deviation_error_elevation = 0.0007

WSN_5.deviation_error_speed_sensor = 0.005

WSN_5.deviation_error_stability = 0.01

WSN_5.deviation_error_distance = 0.02

Will add my mission with track later today. Edited September 17, 2020 by GumidekCZ

[BIGNEWY]

Accuracy will depend on AI skill level.