阅读说明：本技术 一种机械臂天线测试系统的同步脉冲产生方法 (Synchronous pulse generation method of mechanical arm antenna test system ) 是由 马玉丰 于 2020-07-07 设计创作，主要内容包括：本发明公开了一种机械臂天线测试系统的同步脉冲产生方法,包括以下具体步骤：首先将六轴机械臂子系统、同步脉冲发生装置安装在微波屏蔽暗室内,以及将测试工控机和脉冲信号接收装置安装在测试室内；通过测试工控机控制六轴机械臂运动并安装待测天线；并通过测试工控机控制六轴机械臂子系统运动至测试位置；测试工控机根据同步脉冲发生装置以及六轴机械臂子系统,以生成测试矩阵参数分别发送给脉冲信号接收装置和六轴机械臂子系统；测试工控机从矢量网络分析仪采集反馈射频信号,以形成待测天线的远场特性数据。本发明使机械臂在运动过程中可以实时产生硬件同步脉冲,该脉冲用来触发仪表测试数据,提高了天线测试系统测试速度与采集精度。(The invention discloses a synchronous pulse generation method of a mechanical arm antenna test system, which comprises the following specific steps: firstly, mounting a six-axis mechanical arm subsystem and a synchronous pulse generating device in a microwave shielding darkroom, and mounting a test industrial personal computer and a pulse signal receiving device in a test room; controlling the six-axis mechanical arm to move and installing an antenna to be tested through a testing industrial control machine; the six-axis mechanical arm subsystem is controlled to move to a test position through the test industrial personal computer; the test industrial personal computer generates test matrix parameters according to the synchronous pulse generating device and the six-axis mechanical arm subsystem and respectively sends the test matrix parameters to the pulse signal receiving device and the six-axis mechanical arm subsystem; and the test industrial personal computer acquires feedback radio frequency signals from the vector network analyzer to form far field characteristic data of the antenna to be tested. The invention can generate hardware synchronous pulse in real time during the movement process of the mechanical arm, and the pulse is used for triggering instrument test data, thereby improving the test speed and acquisition precision of the antenna test system.)

1. A synchronous pulse generation method of a mechanical arm antenna test system is characterized by comprising the following steps: the method comprises the following specific steps:

s1: firstly, mounting a six-axis mechanical arm subsystem and a synchronous pulse generating device on the inner side of a microwave shielding darkroom, and mounting a test industrial personal computer and a pulse signal receiving device on the inner side of a test room;

s2: controlling the six-axis mechanical arm subsystem to move to the installation position of the antenna to be tested and installing the antenna to be tested through the test industrial control unit;

s3: the six-axis mechanical arm subsystem is controlled by the test industrial control unit to move to a far-field test position of the antenna to be tested;

s4: the test industrial personal computer generates test matrix parameters according to the synchronous pulse parameters and the working mode of the synchronous pulse generating device and the scanning range and the scanning stepping of the six-axis mechanical arm subsystem and respectively sends the test matrix parameters to the pulse signal receiving device and the vector network analyzer;

s5: the vector network analyzer sends a corresponding radio frequency signal to the antenna to be tested based on the received radio frequency signal; the six-axis mechanical arm subsystem drives the antenna to be tested to move correspondingly based on the test matrix parameters, and the antenna to be tested sends corresponding feedback radio frequency signals to the vector network analyzer based on the received radio frequency signals; and the test industrial personal computer acquires the feedback radio frequency signal from the vector network analyzer to form far field characteristic data of the antenna to be tested.

2. The method for generating the synchronization pulse of the mechanical arm antenna test system according to claim 1, wherein: the test industrial personal computer is respectively in communication connection with the six-axis mechanical arm subsystem, the pulse signal receiving device is in communication connection with the synchronous pulse generating device, and the pulse signal receiving device is in communication connection with the test industrial personal computer.

3. The method for generating the synchronization pulse of the mechanical arm antenna test system according to claim 1, wherein: the six-axis mechanical arm subsystem comprises six-axis mechanical arms and a servo controller, wherein the input end of the servo controller is in communication connection with the output end of the test industrial personal computer, and the output end of the servo controller is in communication connection with the input end of the six-axis mechanical arms.

4. The method for generating the synchronization pulse of the mechanical arm antenna test system according to claim 1, wherein: the synchronous pulse generating device comprises an upper computer control module, an external trigger signal generating module, an external clock input module, a communication module, an FPGA module and an output driving module, wherein the output end of the upper computer control module is connected with the input end of the FPGA module through the communication module, the output end of the external clock input module is connected with the input end of the FPGA module, the FPGA module is in two-way communication connection with the external trigger signal generating module, and the output end of the FPGA module is connected with the input end of the output driving module.

5. The method for generating the synchronization pulse of the mechanical arm antenna test system according to claim 1, wherein: the synchronization pulse parameters include pulse width, delay, and period.

6. The method for generating the synchronization pulse of the mechanical arm antenna test system according to claim 1, wherein: and the test industrial personal computer is in communication connection with the pulse signal receiving device, the synchronous pulse generating device and the six-axis mechanical arm subsystem through the Ethernet respectively.

7. The method for generating the synchronization pulse of the mechanical arm antenna test system according to claim 1, wherein: the rated load of the six-axis mechanical arm is not lower than the weight of the antenna to be tested, and the movement range of the six-axis mechanical arm is not smaller than the scanning range of the antenna to be tested.

8. The method for generating the synchronization pulse of the mechanical arm antenna test system according to claim 1, wherein: the microwave shielding dark room is adjacent to the test room.

Technical Field

The invention relates to the technical field of mechanical arm antenna test systems, in particular to a synchronous pulse generation method of a mechanical arm antenna test system.

Background

The mechanical arm can replace traditional private equipment such as a scanning frame or a rotary table in the aspect of antenna test system integration, and drives an antenna to be tested or the equipment to be tested to move.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the existing defects and provide a method for generating the synchronous pulse of the mechanical arm antenna test system, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a synchronous pulse generation method of a mechanical arm antenna test system comprises the following specific steps:

s1: firstly, mounting a six-axis mechanical arm subsystem and a synchronous pulse generating device on the inner side of a microwave shielding darkroom, and mounting a test industrial personal computer and a pulse signal receiving device on the inner side of a test room;

s2: controlling the six-axis mechanical arm subsystem to move to the installation position of the antenna to be tested and installing the antenna to be tested through the test industrial control unit;

s3: the six-axis mechanical arm subsystem is controlled by the test industrial control unit to move to a far-field test position of the antenna to be tested;

s4: the test industrial personal computer generates test matrix parameters according to the synchronous pulse parameters and the working mode of the synchronous pulse generating device and the scanning range and the scanning stepping of the six-axis mechanical arm subsystem and respectively sends the test matrix parameters to the pulse signal receiving device and the vector network analyzer;

s5: the vector network analyzer sends a corresponding radio frequency signal to the antenna to be tested based on the received radio frequency signal; the six-axis mechanical arm subsystem drives the antenna to be tested to move correspondingly based on the test matrix parameters, and the antenna to be tested sends corresponding feedback radio frequency signals to the vector network analyzer based on the received radio frequency signals; and the test industrial personal computer acquires the feedback radio frequency signal from the vector network analyzer to form far field characteristic data of the antenna to be tested.

As a preferred technical scheme of the invention, the test industrial personal computer is respectively in communication connection with the six-axis mechanical arm subsystem, the pulse signal receiving device is in communication connection with the synchronous pulse generating device, and the pulse signal receiving device is in communication connection with the test industrial personal computer.

As a preferred technical scheme of the invention, the six-axis mechanical arm subsystem comprises a six-axis mechanical arm and a servo controller, wherein the input end of the servo controller is in communication connection with the output end of the test industrial personal computer, and the output end of the servo controller is in communication connection with the input end of the six-axis mechanical arm.

As a preferred technical solution of the present invention, the synchronization pulse generating device includes an upper computer control module, an external trigger signal generating module, an external clock input module, a communication module, an FPGA module, and an output driving module, an output end of the upper computer control module is connected to an input end of the FPGA module through the communication module, an output end of the external clock input module is connected to an input end of the FPGA module, the FPGA module is connected to the external trigger signal generating module in a bidirectional communication manner, and an output end of the FPGA module is connected to an input end of the output driving module.

As a preferred technical solution of the present invention, the synchronization pulse parameters include a pulse width, a delay time, and a period.

As a preferred technical scheme of the invention, the test industrial personal computer is in communication connection with the pulse signal receiving device, the synchronous pulse generating device and the six-axis mechanical arm subsystem through Ethernet respectively.

As a preferred technical scheme of the present invention, the rated load of the six-axis mechanical arm is not lower than the weight of the antenna to be measured, and the movement range of the six-axis mechanical arm is not smaller than the scanning range of the antenna to be measured.

As a preferable technical solution of the present invention, the microwave shielding dark room is adjacent to the test room.

Compared with the prior art, the invention has the beneficial effects that:

according to the antenna testing system, the microwave shielding darkroom, the six-axis mechanical arm subsystem, the synchronous pulse generating device, the testing room, the testing industrial personal computer, the pulse signal receiving device and the vector network analyzer are arranged, the six-axis mechanical arm subsystem drives the antenna to be tested to move correspondingly based on the testing matrix parameters, the antenna to be tested sends a corresponding feedback radio frequency signal to the vector network analyzer based on the received radio frequency signal, and the testing industrial personal computer collects the synchronous pulse signal from the vector network analyzer and is used for triggering the testing data of the vector network analyzer to form the far field characteristic data of the antenna to be tested, so that the testing speed and the collection precision of the antenna testing system are improved.

Drawings

FIG. 1 is a schematic diagram of a test flow according to the present invention;

fig. 2 is a schematic structural diagram of the synchronization pulse generating device of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a synchronous pulse generation method of a mechanical arm antenna test system comprises the following specific steps:

s1: firstly, mounting a six-axis mechanical arm subsystem and a synchronous pulse generating device on the inner side of a microwave shielding darkroom, and mounting a test industrial personal computer and a pulse signal receiving device on the inner side of a test room;

s2: controlling the six-axis mechanical arm subsystem to move to the installation position of the antenna to be tested and installing the antenna to be tested through the test industrial control unit;

s3: the six-axis mechanical arm subsystem is controlled by the test industrial control unit to move to a far-field test position of the antenna to be tested;

s4: the test industrial personal computer generates test matrix parameters according to the synchronous pulse parameters and the working mode of the synchronous pulse generating device and the scanning range and the scanning stepping of the six-axis mechanical arm subsystem and respectively sends the test matrix parameters to the pulse signal receiving device and the vector network analyzer;

s5: the vector network analyzer sends a corresponding radio frequency signal to the antenna to be tested based on the received radio frequency signal; the six-axis mechanical arm subsystem drives the antenna to be tested to move correspondingly based on the test matrix parameters, and the antenna to be tested sends corresponding feedback radio frequency signals to the vector network analyzer based on the received radio frequency signals; and the test industrial personal computer acquires the feedback radio frequency signal from the vector network analyzer to form far field characteristic data of the antenna to be tested.

In this embodiment, preferably, the test industrial personal computer is respectively in communication connection with the six-axis mechanical arm subsystem, the pulse signal receiving device is in communication connection with the synchronous pulse generating device, and the pulse signal receiving device is in communication connection with the test industrial personal computer.

In this embodiment, preferably, the six-axis manipulator subsystem includes six-axis manipulator and servo controller, the input of servo controller with the output communication connection of test industrial computer, the output of servo controller with the input communication connection of six-axis manipulator.

In this embodiment, preferably, the synchronization pulse generating device includes an upper computer control module, an external trigger signal generating module, an external clock input module, a communication module, an FPGA module, and an output driving module, an output end of the upper computer control module passes through the communication module and is connected to an input end of the FPGA module, an output end of the external clock input module is connected to an input end of the FPGA module, the FPGA module is connected to the external trigger signal generating module in a bidirectional communication manner, and an output end of the FPGA module is connected to an input end of the output driving module.

In this embodiment, preferably, the synchronization pulse parameters include a pulse width, a delay time, and a period.

In this embodiment, preferably, the test industrial personal computer is in communication connection with the pulse signal receiving device, the synchronous pulse generating device and the six-axis mechanical arm subsystem through ethernet respectively.

In this embodiment, preferably, the rated load of the six-axis mechanical arm is not lower than the weight of the antenna to be measured, and the movement range of the six-axis mechanical arm is not smaller than the scanning range of the antenna to be measured.

In this embodiment, preferably, the microwave shielding dark room is adjacent to the test room.

The working principle and the using process of the invention are as follows: during the use, through setting up microwave shielding darkroom, six arm subsystems, synchronous pulse generating device, test chamber, test industrial computer, pulse signal receiving arrangement and vector network analysis appearance, six arm subsystems are based on test matrix parameter drives the antenna that awaits measuring makes corresponding motion, the antenna that awaits measuring send corresponding feedback radio frequency signal to vector network analysis appearance based on received radio frequency signal, the test industrial computer is followed vector network analysis appearance gathers synchronous pulse signal for trigger vector network analysis appearance's test data, in order to form the far field characteristic data of antenna that awaits measuring has improved antenna test system test speed and has gathered the precision.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.