While the patented nonlinear corrector system solves the problem of oscillations during the manual control of the aircraft in the modes of vigorous maneuvering, an advanced system for limiting the marginal flight envelope of an aircraft allows the pilot to remain within the permissible angles of attack while performing any action of the control stick.
Russian Aircraft Corporation MiG, which is a part of the United Aircraft Corporation, has patented two new systems which enhance the capabilities of MiG-35 and MiG-29M/M2 4++ generation fighter jets.
According to MiG Corporation, the patented nonlinear corrector system solves the problem of oscillations during the manual control of the aircraft in the modes of vigorous maneuvering. The new system improves flight safety and reduces the workload of the pilot in the cockpit.
In addition, MiG Corporation announced the development of an advanced system for limiting the marginal flight envelope of an aircraft. It allows the pilot to remain within the permissible angles of attack while performing any action of the control stick and preserves the maximum permissible overload of an aircraft when maneuvering in all planes.
The Russian specialists managed to resolve the issue of pilot’s induced oscillations, which appear during manual operation of aircraft at violent maneuvering (so-called PIO-oscillations) and lead to instability in aircraft control, causing emergency situations. The invention has been already tested and installed on MiG-29М/М2 and MiG-35 fighters.
“The patented device will increase the safety of flight and reduce the pilot’s occupancy in the cockpit,” said Andrey Gerasimchuk, Managing Director of MiG Corporation.
The non-linear compensating device is installed in front of the flight control actuator. It prevents a combat aircraft from exceeding the maximum allowed speed mode. Besides, the device excludes time lag of the signal entering the flight control actuator.
“PIO-oscillations occur when the pilot cannot adapt for sudden change in dynamics of the aircraft during a complicated mission. Our invention makes the flight safer,” explained Yury Obolensky, Deputy Chief Designer of Aircraft Control Systems at MiG Corporation.
Meanwhile, the limiting system of maximum allowed flight operation modes of maneuvering aircraft patented by MiG engineers allows the pilot to remain within the permissible angles of attack at any movement of aircraft control stick, avoiding spinning dive. The development is aimed at preservation of maximum G-load limit for combat aircraft during maneuvering in all angles. This upgraded system also has been already installed on MiG-35 and MiG-29М/М2.
“Pilot’s safety and comfort during the flight is the prime goal for our designers and engineers. The patented systems improve the performance of MiG fighters, making them considerably superior to their foreign counterparts,” said Gerasimchuk.
“We have been working on the improvement of the limiting controller for the last five years. Trials were held in multiple flight modes and we have now achieved the desired target,” said Obolensky.
In 2020, the MiG Corporation had announced receiving the patent for the landing approach automatic control system and a patent for the intelligent system for protection against surpassing critical G-loads. The landing system enhances safety of flying in adverse weather conditions, enables the pilot to hold the glide path in an automatic mode and in a shorter time and to continue descent till visibility appears. The G-load protection system enhances flight safety and allows the pilot to conduct intensive air combat, without paying attention to the instrument panel. Modern multirole 4++ and 5th generation aircraft can carry out assigned missions at G-loads up to 9G, pointed out MiG Corporation.
