JPH0329878A - Control apparatus - Google Patents

Abstract

PURPOSE:To expand the beam scanning range of a flight body and to enhance the following capacity to a high speed revolving target by loading the flight body with an electronic scanning antenna so as to incline the same with respect to the axis of the flight body. CONSTITUTION:A control apparatus is constituted of flight main bodies 1, 1', an electronic scanning antenna 3, an antenna driving mechanism 4, an antenna roll driving apparatus 6, a transmitter 9, a beam control part 10, a signal processing part 11, an automatic pilot 12, a steering apparatus 13, a roll control apparatus 14 and a receiver 15. A target 8 is caught within the beam scanning range 7 of the flight body 1 and the processing part 11 calculates or estimates the motion of the target 8 from the signal receiving the reflected wave thereof. As a result, when it is judged that the target 8' deviates from the range 7 or reaches a region immediately before deviates therefrom, a roll order signal is sent to the apparatus 14 and the data related to the transmission direction of a radio wave compensating the roll angle of the antenna is sent to the control part 10.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention is capable of pivoting the beam scanning range by mounting an electronic scanning antenna with an antenna surface inclined from the axis of the spacecraft and an antenna roll drive device. This biased beam scanning range is used in conjunction with the antenna roll control function to expand the apparent beam scanning range and improve the ability to capture the target.
This invention relates to a control device that prevents guidance control from becoming complicated by eliminating the need for roll control of the aircraft itself.

[Conventional technology]

An example of a conventional technique is shown in FIG. In Figure 3, (1) to (
19C corresponds to the same reference numeral in FIG. The conventional one is (2
) The electronic scanning antenna (3) was mounted at an angle from the aircraft axis (2). The flying object emits the transmitted waves generated by the transmitter (9) toward the target (8) within the beam scanning range from the antenna (3), and sends the reflected waves from the target (8) to the antenna (3). The transmitter (191) generates a target signal from the received signal and sends it to the signal processing unit (11).The signal processing unit (11) outputs the received signal to the input target signal. Calculate or estimate target interlocking information from the signal, output a beam scanning angle command signal to the beam controller α0), and output a guidance signal to the O1 pilot l-(+2)/steering device (13).Conventional In the method, when the target (8) is calculated and estimated to shift to (8]', the 4M processing unit 01) outputs a signal to the roll control device (I4), and the roll control device (l4) Output a signal to control the roll of the flying object to the autorobot 1 (shame/steering device (13)), roll the flying object, and direct the antenna surface toward the target (8)'. , target (8) was prevented from leaving the beam scanning range.

On the other hand, on the other hand, since conventional methods require the projectile to fly while rolling, there is a risk that the flight characteristics due to the roll (3) will deteriorate and the guidance and control will become complicated.

[Problem to be solved by the invention]

In conventional technology, in order to widen the beam scanning range while ensuring a certain antenna base, the antenna surface of the electronic scanning antenna is mounted at an angle with the flying body axis, and this configuration and the body roll motion are So I went. However, it was inevitable that the aircraft's flight characteristics would deteriorate due to roll, and that guidance and control would become complicated. This ultimately reduced the ability of guided projectiles to engage targets.

[Failure to solve the problem]

This invention expands the beam scanning range of the electronic scanning antenna without controlling the roll of the flying object,
The aim is to improve guidance accuracy by eliminating the deterioration of flight characteristics caused by flying and the complication of guidance control.

As shown in Figure 1, an electronic scanning antenna with an antenna surface inclined from the axis is equipped with a mechanism for rolling the antenna body. Because the antenna surface is tilted from the machine axis (4), the beam scanning range is wide and narrow from the machine axis. In order to capture the target in this wide beam scanning range, the antenna is roll controlled by a roll control device and an antenna roll drive device. In other words, by controlling the roll of the antenna, the action of rolling the aircraft has been eliminated.

[For production]

By taking the above measures, it becomes possible to expand the beam scanning range without rolling the aircraft. This eliminates the deterioration of flight characteristics caused by body roll and the complexity of guidance and control, improving the ability to target targets.

〔Example〕

1 and 2 show one embodiment of the present invention.

In Figure 1, (1) and (1)' are the main body of the flying body, (2) is the axis of the flying body, (3) is the electronic scanning antenna, and [41
1, antenna drive! 1+1 mechanism, {5} is the antenna axis, (
6) is the antenna roll drive device, (7) is the beam scanning range, (8) and (8)' are the targets, and (9) is the transmitter, QO
) l is the beam control unit, (II) l is the signal processing unit, (5) (12) is the autopilot, (+4) is the steering device,
(I!l) represents a receiver. (11 to (1) in Figure 2
1 correspond to the same reference numerals in FIG. In FIG. 1, a target (8) is captured in the beam scanning range (7) of the flying object. The flying object moves from the electronic scanning antenna (3) to the target (
8) and send the reflected waves from the target to the antenna (3).
), and the receiver (1) receives the signal.The signal processing unit (1
1) calculates or estimates the motion of the target from the received signal. The signal processing unit 01) calculates and estimates that the target (8) will shift to (8)', and as a result, the target (8)' will be out of the beam scanning range (7) or up to the level just before it is out of the beam scanning range (7). If it is determined that the angle has been reached, a roll command signal is sent to the roll control device, and the roll angle of the antenna is sent to the beam gJ control section. Sends information regarding the transmitted direction of radio waves. The roll control device generates a roll control signal regarding the roll rotation direction, angular velocity, and angle based on the target movement such as the rate of change of target (8) to (8)' based on the command signal from the signal processing section, and outputs a roll control signal regarding the roll rotation direction, angular velocity, and angle. Output to roll drive device. The antenna driving device rolls the antenna according to the input one-call control signal. Figure 2 shows (6) a state rolled 180 degrees from the state in Figure 1, and targets (8) and (8)', which were in danger of falling out of the beam scanning range of the projectile in Figure 1, In Figure 2, the beam is reliably captured within the beam scanning range.

〔Effect of the invention〕

The invention of B can expand the beam scanning range of a projectile and improve the tracking performance for high-speed, high-turning targets using the configuration described so far.

In addition, since the aircraft can fly without rolling, it is possible to avoid deterioration of aerodynamic characteristics due to roll and the complication of guidance and control caused by roll flight, and improve the ability to respond to targets.

[Brief explanation of drawings]

FIGS. 1 and 2 are diagrams showing the configuration and operating principle of an embodiment of the invention of B, and FIG. 3 is a diagram showing the configuration of the prior art. In the figure, (1) is the aircraft body, (2) is the aircraft axis, (31 is the electronic scanning antenna, (4) is the antenna drive mechanism, (5) is the antenna reference axis, and (6) is the antenna roll. (7) is the driving device, (7) is the antenna beam scanning range, (8) is the target, (9) is the transmitter, (1011 is the beam control unit, (
+1) is the signal processing section, (one is the O1 pilot] -
, (+3) is the steering device, (H) is the roll control device, (
I9 represents a receiver. Note that the same or equivalent parts in each figure are designated by the same reference numerals.

Claims (1)

[Claims] A transmitter that generates a transmission wave and a transmission signal to irradiate the target, an antenna that emits the transmission wave towards the target and receives the reflection from the target, and a receiver that generates a target information signal from the reception signal received by the antenna. a signal processing unit that generates a guidance signal and a beam scanning angle command signal from the target information signal, a beam control unit that controls the direction in which the transmitted wave is emitted using the beam scanning angle command signal, and a roll control device for controlling the roll of the antenna to prevent
An antenna roll drive device that inputs a roll control signal from a roll control device and rolls the antenna, an autopilot that generates a steering angle command signal that controls the movement of a flying object using a guidance signal from a signal processing section, and a steering system. It consists of a steering device that drives the steering blades in response to an angular command signal, and in particular, by mounting an electronic scanning antenna at an angle to the aircraft axis, the three-beam scanning range can be wide and narrow around the aircraft axis. 1. A control device that apparently expands a beam scanning range by generating a range and using a biased distribution of the beam scanning range and a function of controlling an antenna roll.