closing the two valves. At the same time, because the anchor plate 3 itself can rotate
around the shaft 2, the control cable of the valve to be opened is loosened, and the
ball valve is opened, exceeding the original opening level. The nozzle discharges
more gas, which generates transverse force in the required direction. Obviously, this
transverse force is obtained by two effects: on the one hand, the nozzle flow of the
valve increases and increases the force, on the other hand, because the valve closes
in the opposite direction, there is no flow of gas, and no force, which cancels the
original force. If the other two electromagnets are cut off, the gas force forces the
star linkage plate to return to the balanced tension state of the three control cables.
The valve openings in all directions are the same, and the flow rate is the same.
Therefore, the forces in all aspects offset and the balance is restored.
Another example of the structure is shown in Fig. 10.20. The same thing as the
previous structure is that it also has a star linkage plate. The gas generated by the
gas generator is introduced from the conduit 1 to the nozzle 2. Its flow rate is
controlled by piston valve 3 and stem 4 is driven by star linkage plate. In the
structural example of Fig. 10.20, the star-shaped linkage plate has two arms, which
are connected with two valve stems and drive two pistons. The star-shaped linkage
plate 6 is supported in its center. It can deflect on the supporting bearing 8 and bear
the load of spring 7. Component 5 is an electromagnet, and rod 9 is coupled with
electromagnet. When the electromagnet is excited, the rod will move axially. In this
way, the star linkage plate rotates and tilts around the bearing 8. Thus, the valve of
the nozzle can be opened or closed, and the gas flow rate can be changed.
Compared with the rudder system, the transverse force generated by this
structure is less dependent on the missile speed. However, because the missile
Fig. 10.20 Transverse force generating device of the second structural form. 1, 13—Conduit; 2, 12
—nozzle; 3, 11—piston valve; 4—stem; 5, 10—electromagnet; 6—star linkage plate; 7—spring; 8
—bearing; 9—rod
186
10 Application of Aerodynamic Technology in Attitude Control …
around the shaft 2, the control cable of the valve to be opened is loosened, and the
ball valve is opened, exceeding the original opening level. The nozzle discharges
more gas, which generates transverse force in the required direction. Obviously, this
transverse force is obtained by two effects: on the one hand, the nozzle flow of the
valve increases and increases the force, on the other hand, because the valve closes
in the opposite direction, there is no flow of gas, and no force, which cancels the
original force. If the other two electromagnets are cut off, the gas force forces the
star linkage plate to return to the balanced tension state of the three control cables.
The valve openings in all directions are the same, and the flow rate is the same.
Therefore, the forces in all aspects offset and the balance is restored.
Another example of the structure is shown in Fig. 10.20. The same thing as the
previous structure is that it also has a star linkage plate. The gas generated by the
gas generator is introduced from the conduit 1 to the nozzle 2. Its flow rate is
controlled by piston valve 3 and stem 4 is driven by star linkage plate. In the
structural example of Fig. 10.20, the star-shaped linkage plate has two arms, which
are connected with two valve stems and drive two pistons. The star-shaped linkage
plate 6 is supported in its center. It can deflect on the supporting bearing 8 and bear
the load of spring 7. Component 5 is an electromagnet, and rod 9 is coupled with
electromagnet. When the electromagnet is excited, the rod will move axially. In this
way, the star linkage plate rotates and tilts around the bearing 8. Thus, the valve of
the nozzle can be opened or closed, and the gas flow rate can be changed.
Compared with the rudder system, the transverse force generated by this
structure is less dependent on the missile speed. However, because the missile
Fig. 10.20 Transverse force generating device of the second structural form. 1, 13—Conduit; 2, 12
—nozzle; 3, 11—piston valve; 4—stem; 5, 10—electromagnet; 6—star linkage plate; 7—spring; 8
—bearing; 9—rod
186
10 Application of Aerodynamic Technology in Attitude Control …