> During 25 years of operation no failures of the system were noted when working in control systems. By the production volume it is unrivalled among space computers.
Not only still in production, but still in production with no failures reported. This is beyond amazing. Triple redundancy and hardware majorization will surely help you greatly, but no failures across those numbers is just mind-boggling.
.. unless of course the standard application for the device is in safety-critical/life-protection systems, in which case "no failures noted" better be honest.
Why? They try to keep all information secret, especially the one that make USSR looks bad. For example, they denied existence of Level 6 nuclear accident for 30 years [0].
If the nuclear accident which had 10,000 people evacuated was suppressed and denied for 30 years, why would you trust them to publish any negative information about military computer?
The system is essentially three identical computers wrapped in a control system. Hardware majorization means the computers have to agree on the computed result, that is, each computes the output from the given inputs independently and the results are then compared. This mitigates errors stemming from any kind of hardware faults, except for the control system itself.
The first launch was Soyuz MS-01 on July 7, 2016 aboard a Soyuz-FG launch vehicle towards the ISS.
Soyuz MS Improvements
The new computer (TsVM-101), weighs one-eighth that of its predecessor (8.3 kg vs. 70 kg) while also being much smaller than the previous Argon-16 computer.
The new modernized Soyuz TMA-M[citation needed] series was developed and built by RKK Energia as an upgrade of the baseline Soyuz-TMA. Thirty-six obsolete pieces of equipment have been replaced with 19 new-generation devices and the vehicle's total mass has been reduced by 70 kilograms (154 lbs).[3] In particular, the reliable but heavy (70 kg) Argon digital computer[4] and analogue systems, which had been used on Soyuz ships for more than 30 years, has been replaced with a new digital computer, the TsVM-101, and digital avionics.
Two flight development flights were launched: Soyuz TMA-01M on Oct 7, 2010 and Soyuz TMA-02M on Jun 7, 2011.
> During 25 years of operation no failures of the system were noted when working in control systems. By the production volume it is unrivalled among space computers.
Not only still in production, but still in production with no failures reported. This is beyond amazing. Triple redundancy and hardware majorization will surely help you greatly, but no failures across those numbers is just mind-boggling.