Automatic test system and method for power-on inspection of unmanned helicopter

Abstract

The invention belongs to the field of unmanned aerial vehicle automatic testing, and relates to an unmanned helicopter power-on inspection automatic testing system and method. The system comprises a signal checking subsystem which is used for checking initial voltage, conductivity and power supply logic of a device level; the state checking subsystem is used for checking the working state and maintenance information of the equipment level; and the function inspection subsystem is used for equipment and system level function inspection.

Description

Technical Field

[0001] The invention belongs to the field of unmanned aerial vehicle automated testing, and relates to an unmanned helicopter power-on inspection automated testing system and method. Background Art

[0002] With the development of modern computer software, hardware technology, automated testing technology, measuring instruments and instrument buses, higher requirements are placed on unmanned helicopter testing. [1] It adopts modern computer software, hardware technology, modern test and control technology, measuring instruments and instrument buses, and information comprehensive processing technologies. Through the integration of system hardware and software, it forms an automated comprehensive test system that integrates acquisition, analysis, and recording. The system adopts modular hardware design and virtual instrument software development, and has the characteristics of simple operation, flexible use, and easy expansion. The system is mainly composed of test computers, acquisition boards, buses and interfaces, and test and control software. The UAV comprehensive test system performs comprehensive testing on UAV avionics equipment, and the detection quantity is mainly concentrated on analog quantity, discrete quantity, and communication bus. There are deficiencies in the UAV test coverage and the measurement category of signals.

[0003] Unmanned helicopter testing methods can be divided into manual testing and automated testing. Manual testing has several problems. First, the degree of automation is low, resulting in low test efficiency; second, there are many supporting equipment and testers need to be proficient in using the test equipment; third, there is redundancy between equipment and equipment, and the test cost is high. Automated testing integrates system hardware and software to form an automated testing system that integrates collection, analysis, and recording. It has the characteristics of low cost, stable and reliable operation, fast maintenance, and high test efficiency.

[0004] [1] Li Wei, Chen Di, Shen Hongxin, et al. A comprehensive test system for unmanned aerial vehicles[J]. Electronic World, 2014, (4): 100-100,101. Summary of the invention

[0005] Purpose of the invention: The present invention aims at the comprehensive demand for automated testing and ground testing of integrated support equipment for unmanned helicopters, performs power-on inspection on installed equipment of unmanned helicopters, including electrical system equipment, flight control system equipment, integrated radio frequency system equipment and other system equipment, and provides an automated testing system and method for power-on inspection of unmanned helicopters.

[0006] Technical Solution

[0007] An automated test system for power-on inspection of an unmanned helicopter, comprising:

[0008] Signal check subsystem for initial voltage, continuity, and power supply logic checks at the device level;

[0009] Status check subsystem, used for equipment-level working status and maintenance information check;

[0010] Functional inspection subsystem, used for functional inspection at device and system level.

[0011] Further, the signal inspection subsystem includes: a PXI / PXIe chassis, a DC power supply, and a network switch;

[0012] The PXI / PXIe chassis contains a zero-slot controller, multimeter card, matrix switch card, power switch card, C-switch card, and arbitrary waveform generator card;

[0013] The zero-slot controller and PXI / PXIe chassis together form a test and control computer for deploying automated test software;

[0014] The multimeter card is used for measuring power supply excitation output, discrete quantity and analog quantity;

[0015] Matrix switch cards and C-type switch cards are used for discrete quantity testing and analog quantity testing;

[0016] The power switch card is used for multiple outputs of power supply excitation;

[0017] The arbitrary waveform generator card is used to test the input of analog quantities. The arbitrary waveform generator outputs waveforms with specific amplitudes and frequencies.

[0018] The DC power supply is used to input the power signal of the system under test and output the corresponding voltage signal;

[0019] The network switch is used to connect the zero-slot controller and power supply;

[0020] The zero-slot controller, multimeter card, matrix switch card, power switch card, C-type switch card, and arbitrary waveform generator card are connected to the PXI / PXIe chassis through the PXI / PXIe bus;

[0021] The DC power supply and the zero-slot controller are connected through the LXI bus; the multimeter card, the matrix switch card, the power switch card, the C-type switch card, the arbitrary waveform generator card and the DC power supply are led to the signal transfer panel through internal cables, and the signal transfer panel is connected to the system under test through a test cable.

[0022] Further, the status check subsystem includes: PXI / PXIe chassis, network switch;

[0023] The PXI / PXI e chassis contains a zero-slot controller, multi-serial port card, and C-type switch card;

[0024] The zero-slot controller and PXI / PXIe chassis together form the measurement and control computer;

[0025] Multi-port serial card is used to test RS422 serial communication;

[0026] The C-type switch card is used for switch control of the enable signal;

[0027] The network switch is used to connect the network signals of the zero-slot controller and the system under test;

[0028] The zero-slot controller, multi-serial port card, and C-type switch card are connected to the PXI / PXIe chassis through the PXI / PXIe bus; the zero-slot controller is connected to the network switch; the multi-serial port card, C-type switch card, and the network switch are connected to the signal transfer panel through internal cables, and the signal transfer panel is connected to the system under test through a test cable.

[0029] Further, the functional inspection subsystem includes: cabinet and universal console;

[0030] The cabinet is equipped with a radio comprehensive tester, microwave signal source, ground measurement and control terminal simulator, flight controller, server, network switch and monitoring computer;

[0031] The universal control console is used to provide basic operation and display units and a work surface for operators;

[0032] Radio tester is used to demodulate and modulate analog RF signals and test transmitters and receivers;

[0033] The microwave signal source is used to output a wireless analog signal;

[0034] The ground measurement and control terminal simulator is used for ground link monitoring;

[0035] The flight controller is used to generate continuous quantity signals;

[0036] Servers are used for data processing;

[0037] The monitoring computer is used for monitoring the ground link;

[0038] The radio comprehensive tester, microwave signal source, ground measurement and control terminal simulator, flight controller, server and human-computer interaction computer in the general control console are all connected to the network switch; the radio comprehensive tester, microwave signal source and ground measurement and control terminal simulator are equipped with antennas to transmit wireless signals and communicate with the system under test.

[0039] An automated test method for power-on inspection of an unmanned helicopter includes: signal testing, status testing and function testing.

[0040] Further, the signal testing process is as follows:

[0041] A1: Select the device under test, select the test cable according to the device under test, connect the signal transfer panel in the signal inspection subsystem to the device under test through the test cable, and at the same time, check whether the unmanned helicopter platform meets the test conditions;

[0042] A2: According to the test signal of the device under test, enable relevant test resources, including multimeter card, matrix switch card, power switch card, C-type switch card, arbitrary waveform generator card and DC power supply, and check whether the status of the test resources is intact;

[0043] A3: Test according to the test steps of the test items, record the test data and compare it with the theoretical value to draw the test conclusion;

[0044] A4: After the test is completed, organize the test report;

[0045] A5: Restore the unmanned helicopter platform and test system.

[0046] Further, the status test process is as follows:

[0047] B1: Select the device under test, select the test cable according to the device under test, connect the signal transfer panel in the status check subsystem to the device under test through the test cable, and at the same time, check whether the unmanned helicopter platform meets the test conditions;

[0048] B2: Based on the tested status of the device under test, enable relevant test resources, including multi-serial port card and C-type switch card, and check whether the status of the test resources is intact;

[0049] B3: Test according to the test steps of the test items, record the test data and compare it with the theoretical value to draw the test conclusion;

[0050] B4: After the test is completed, organize the test report;

[0051] B5: Restore the unmanned helicopter platform and test system.

[0052] Further, the functional testing process is as follows:

[0053] C1: Select the system to be tested and check whether the unmanned helicopter platform meets the test conditions according to the system to be tested;

[0054] C2: Based on the tested status of the equipment under test, enable relevant test resources, including radio comprehensive tester, microwave signal source, ground test and control terminal simulator, flight controller, server and human-computer interaction computer in the general control console, and check whether the status of the test resources is intact;

[0055] C3: Test according to the test steps of the test items, record the test data and compare it with the theoretical value to draw the test conclusion;

[0056] C4: After the test is completed, organize the test report;

[0057] C5: Restore the unmanned helicopter platform and test system.

[0058] In summary, the beneficial effects of the present invention are as follows:

[0059] 1) The automated test method for power-on inspection of unmanned helicopters proposed in the present invention improves the stability and reliability of power-on inspection, and mainly makes three designs: first, program control of test resources is adopted to improve the degree of automation of the test; second, the test system is designed with a self-check function to perform self-check on the system's own equipment; third, the test items are programmed to design the test steps for the system / equipment under test;

[0060] 2) The present invention proposes an automated test system for power-on inspection of unmanned helicopters, which covers the testing of 22 systems / equipment on unmanned helicopter platforms, including electrical systems and flight control systems. Compared with manual testing methods, the testing efficiency is significantly improved;

[0061] 3) The present invention designs the generalization of special equipment, performs substitutability analysis on the dimensions of functions, interfaces, hardware coverage, and side verification of special test equipment, and determines whether general test resources can be used to replace special test resources, thereby reducing the demand for special resources for power-on inspection of unmanned helicopters and reducing the inspection cost of power-on inspection of unmanned helicopters;

[0062] 4) The present invention designs the automatic generation of test reports, which can meet the diversified needs of users for test reports. BRIEF DESCRIPTION OF THE DRAWINGS

[0063] Figure 1 Automated test system composition diagram;

[0064] Figure 2 Structural outline diagram of the automated test system. DETAILED DESCRIPTION

[0065] An unmanned helicopter power-on inspection automation test system is an instrument system that takes a computer as the core and automatically completes specific test tasks under program control. The test covers 22 systems on the unmanned helicopter platform, including the electrical system, flight control system, HUMS system and integrated radio frequency system. At the same time, it can test airborne communication buses, analog quantities, discrete quantities, power supply excitations, multi-channel topologies of the same signal, and radio frequency signals. Considering the cost, versatility, scalability, ease of operation and usage scenarios of the automated test system, the system hardware uses a combination of PXI bus and LXI bus architecture, with a computer as the main body. The PXI bus and LXI bus control test resources, and lead the test resources to the test interface panel of the system. Through the test cable (wired and wireless), the operator interacts with the airborne system / equipment under test through the automated test software to complete the power-on inspection of the airborne system / equipment. It includes: signal inspection subsystem, status inspection subsystem and function inspection subsystem.

[0066] Signal inspection subsystem, used for equipment-level initial voltage, continuity, power supply logic, etc. inspection;

[0067] Status check subsystem, used to check equipment-level working status, maintenance information, etc.

[0068] Functional inspection subsystem, used for functional inspection at device and system level.

[0069] The signal inspection subsystem includes: PXI / PXIe chassis, DC power supply, network switch. The PXI / PXIe chassis is equipped with a zero-slot controller, multimeter card, matrix switch card, power switch card, C-type switch card, and arbitrary waveform generator card. The zero-slot controller and the PXI / PXIe chassis together constitute a measurement and control computer, which is mainly used to deploy automated test software; the multimeter card is mainly used for the measurement of power supply excitation output, discrete quantity measurement, and analog quantity measurement, such as voltage, ground / open signal light; the matrix switch card and C-type switch card are mainly used for discrete quantity testing and analog quantity testing, and time-sharing multiplexing saves test resources, such as cooperating with the multimeter card to measure multi-channel voltage signals; the power switch card is mainly used for the multi-channel output of power supply excitation, and time-sharing multiplexing saves test resources; the arbitrary waveform generator card is mainly used to test the input of analog quantity, and the arbitrary waveform generator outputs waveforms with specific amplitude and frequency; the DC power supply is mainly used for the input of the power supply signal of the system under test and outputs the corresponding voltage signal; the network switch is mainly used to connect the zero-slot controller, power supply, etc., and control the corresponding resources through the LXI bus.

[0070] The zero-slot controller, multimeter card, matrix switch card, power switch card, C-type switch card, and arbitrary waveform generator card in the PXI / PXIe chassis are connected to the PXI / PXIe chassis through the PXI / PXIe bus; the DC power supply and the zero-slot controller are connected through the LXI bus; the multimeter card, matrix switch card, power switch card, C-type switch card, arbitrary waveform generator card, and DC power supply are led to the signal transfer panel through internal cables, and the signal transfer panel is connected to the system under test through the test cable.

[0071] The status check subsystem includes: PXI / PXIe chassis, network switch, and PXI / PXIe chassis are equipped with zero-slot controller, multi-serial port card, and C-type switch card. The zero-slot controller and PXI / PXIe chassis together constitute the measurement and control computer, which is mainly used to deploy automated test software; the multi-serial port card is mainly used to test RS422 serial port communication; the C-type switch card is mainly used to enable the switch control of the signal; the network switch is mainly used to connect the zero-slot controller and the network signal of the system under test.

[0072] The zero-slot controller, multi-serial port card, and C-type switch card in the PXI / PXIe chassis are connected to the PXI / PXIe chassis through the PXI / PXIe bus; the zero-slot controller is connected to the network switch; the multi-serial port card, C-type switch card, and the network switch are connected to the signal transfer panel through internal cables, and the signal transfer panel is connected to the system under test through a test cable.

[0073] The functional inspection subsystem includes: a cabinet and a general control console. The cabinet is equipped with a radio comprehensive tester, a microwave signal source, a ground measurement and control terminal simulator, a flight controller, a server, a network switch and a monitoring computer; the general control console is mainly used to provide basic operation and display units and provide a work surface for operators. The radio comprehensive tester is mainly used to demodulate and modulate analog radio frequency signals and test transmitters and receivers; the microwave signal source is mainly used to output wireless analog signals; the ground measurement and control terminal simulator is mainly used for ground link monitoring; the flight controller is mainly used to generate continuous quantity signals; the server is mainly used for data processing; the network switch is mainly used to connect the radio comprehensive tester, microwave signal source, ground measurement and control terminal simulator, flight controller, server and the human-computer interaction computer in the general control console; the monitoring computer is mainly used for monitoring the ground link. The automated test software is deployed in the human-computer interaction computer in the general control console.

[0074] The radio comprehensive tester, microwave signal source, ground measurement and control terminal simulator, flight controller, server and human-computer interaction computer in the general control console are all connected to the network switch; the radio comprehensive tester, microwave signal source and ground measurement and control terminal simulator are equipped with antennas to transmit wireless signals and communicate with the system under test.

[0075] An automated test method for power-on inspection of an unmanned helicopter includes: signal testing, status testing, and function testing.

[0076] The signal testing process is as follows:

[0077] A1: Select the device under test, select the test cable according to the device under test, connect the signal transfer panel in the signal inspection subsystem to the device under test through the test cable, and at the same time, check whether the unmanned helicopter platform meets the test conditions;

[0078] A2: According to the test signal of the device under test, enable relevant test resources, including multimeter card, matrix switch card, power switch card, C-type switch card, arbitrary waveform generator card and DC power supply, and check whether the status of the test resources is intact;

[0079] A3: Analyze according to the test steps of the test items, analyze the signal characteristics according to the test signal, select test resources and test methods, record the test data and compare it with the theoretical value to draw the test conclusion;

[0080] A3.1: Analog signal: sensor signal expressed in the form of voltage, current, etc. Analog input needs to be equipped with a D / A module, arbitrary waveform generator or other corresponding channel; analog output needs to be equipped with an A / D module, oscilloscope or other corresponding channel. For unmanned helicopter platforms, analog signals include pressure, temperature, speed and other signals.

[0081] A3.2: Discrete quantity signals are discrete in time. Discrete quantity signals need to be equipped with DIO modules, multimeters or other devices with corresponding channels. For unmanned helicopter platforms, discrete quantities include ground / open and 28V / open signals.

[0082] A3.3: Power excitation signal, the voltage and current input by the power source or signal source to the circuit to promote the circuit to work. The power excitation signal needs to be equipped with a power output device of the corresponding channel or a multimeter and other equipment. For unmanned helicopter platforms, the power excitation signal includes DC power, AC power and other signals.

[0083] A3.4: Low-frequency signal topology. The power-on inspection signal volume of the unmanned helicopter platform is large, and more test resources are required. For similar low-frequency signals, it is mainly used for discrete and analog quantity testing. It is equipped with matrix switches, single-pole single-throw switches, C-type switches, etc., and time-division multiplexing is used to save test resources.

[0084] A3.5: Power supply topology, the number of power supply excitation signals of the unmanned helicopter platform is large, and it is equipped with power switches, which are time-division multiplexed to save test resources.

[0085] A4: After the test is completed, organize the test report;

[0086] A5: Restore the unmanned helicopter platform and test system.

[0087] The status test process is as follows:

[0088] B1: Select the device under test, select the test cable according to the device under test, connect the signal transfer panel in the status check subsystem to the device under test through the test cable, and at the same time, check whether the unmanned helicopter platform meets the test conditions;

[0089] B2: Based on the tested status of the device under test, enable relevant test resources, including multi-serial port card and C-type switch card, and check whether the status of the test resources is intact;

[0090] B3: Test according to the test steps of the test items, analyze the signal characteristics according to the test signal, select test resources and test methods, record the test data and compare it with the theoretical value to draw the test conclusion;

[0091] B3.1 Communication bus signal, the communication trunk line for transmitting information between various functional components on the unmanned helicopter platform. The communication bus signal needs to be equipped with a communication board or other corresponding channel. For unmanned helicopter platforms, the communication bus includes RS422, RS485, RS232, ARINC429, 1553B and other forms.

[0092] B3.2 Signal switching switch, for the switch control of signals on the unmanned helicopter platform, such as the enable signal, a C-type switch is equipped to complete the signal switching switch.

[0093] B4: After the test is completed, organize the test report;

[0094] B5: Restore the unmanned helicopter platform and test system.

[0095] The functional testing process is as follows:

[0096] C1: Select the system to be tested and check whether the unmanned helicopter platform meets the test conditions according to the system to be tested;

[0097] C2: Based on the tested status of the equipment under test, enable relevant test resources, including radio comprehensive tester, microwave signal source, ground test and control terminal simulator, flight controller, server and human-computer interaction computer in the general control console, and check whether the status of the test resources is intact;

[0098] C3: Test according to the test steps of the test items, analyze the signal characteristics according to the test signal, select test resources and test methods, record the test data and compare it with the theoretical value to draw the test conclusion;

[0099] C3.1, RF signal, after modulation, has a certain transmission frequency of radio waves. RF signal input needs to be equipped with RF signal sources of corresponding channels, such as analog signal sources, vector signal sources, etc.; RF signal output needs to be equipped with spectrum analyzers, power meters, etc. of corresponding channels. For unmanned helicopter platforms, RF signals include communication relay, communication detection, and mine detection signals.

[0100] C3.2: RF signal topology. The unmanned helicopter platform has many RF signal paths and requires more test resources. It is equipped with RF switches, such as 50Ω RF switches and 75Ω RF switches, which are time-division multiplexed to save test resources.

[0101] C4: After the test is completed, organize the test report;

[0102] C5: Restore the unmanned helicopter platform and test system.

[0103] Example

[0104] 1. The signal (e.g. power distribution inspection in electrical system) test process is as follows:

[0105] A1: Disconnect the electrical system plug on the unmanned helicopter platform and connect the electrical system test cable, with one end connected to the electrical system and the other end connected to the signal transfer panel of the test equipment;

[0106] A2: Start the multimeter card, matrix switch card, and C-type switch card, and perform self-test on each card to check whether the self-test results are intact. If they are intact, continue testing;

[0107] A3: Control the switch of the C-type switch card to ground point a in the electrical system;

[0108] A4: Control the switch of the matrix switch card, use the multimeter card to test the voltage at point b of the electrical system, record the test data, and compare the test data with the theoretical data 26~30V voltage to draw the test conclusion;

[0109] A5: Repeat step A4 for the voltage test of the distribution points of other electrical systems;

[0110] A6: After the test is completed, an electrical system test report is generated;

[0111] A7: Restore the unmanned helicopter platform and test system.

[0112] 2. The status (e.g. discrete quantity status check in HUMS system) test process is as follows:

[0113] B1: When the unmanned helicopter platform is powered off, confirm that the wheel-mounted switch is connected and that the unmanned helicopter platform has the conditions to test the discrete quantity status in the HUMS system;

[0114] B2: Connect the HUMS test cable, one end of which is connected to the HUMS system, and the other end is connected to the signal transfer panel of the test equipment;

[0115] B3: The test system communicates with the unmanned helicopter platform through the network, that is, the network switch is powered on and the network switch can work normally;

[0116] B4: The automated test software records the "left wheel load signal" status, records the test data, and compares the test data with the theoretical data "ground" to draw the test conclusion;

[0117] B5: Repeat step B4 for other discrete quantity status checks;

[0118] B6: After the test is completed, a HUMS system test report is generated;

[0119] B7: Restore the unmanned helicopter platform and test system.

[0120] 3. Function (e.g. radar reconnaissance function check in integrated radio frequency system) test process is as follows:

[0121] C1: Place the antenna of the microwave signal source near the unmanned helicopter platform and set up a cordon;

[0122] C2: The unmanned helicopter platform is powered on and a data link connection is established between the unmanned helicopter platform and the ground;

[0123] C3: Start the microwave signal source and check the self-check status of the microwave signal source. If the self-check is normal, the test continues;

[0124] C4: Set the radio frequency value, pulse width value and period of the signal on the microwave signal source and output the modulated signal;

[0125] C5: Check the detected radio frequency value and other information through radar reconnaissance monitoring software, record the test data and compare it with the theoretical value to draw the test conclusion;

[0126] C6: Repeat step C5 for other radar reconnaissance signal tests;

[0127] C7: After the test is completed, an electrical system test report is generated;

[0128] C8: Restore the unmanned helicopter platform and test system.

[0129] The present invention designs an automated test method for power-on inspection of an unmanned helicopter. According to different power-on inspection systems, the method automatically calls test resources and monitors the status of test resources, calls the test resource driver and reads the configured test requirements to generate inspection operation steps, executes the system under test test, automatically saves the test data and automatically generates a test report according to the requirements.

[0130] The present invention designs an automated test system for power-on inspection of unmanned helicopters, which can test 22 systems including the onboard electrical system, flight control system and integrated radio frequency system. The system consists of a signal inspection subsystem, a status inspection subsystem and a function inspection subsystem, and can fully cover the test of the system under test from signal, status to function.

Claims

1. An automated test system for power-on inspection of unmanned helicopters, characterized in that: The system includes: Signal check subsystem for initial voltage, continuity, and power supply logic checks at the device level; Status check subsystem, used for equipment-level working status and maintenance information check; Functional inspection subsystem, used for functional inspection at device and system level.

2. The system according to claim 1, characterized in that: The signal inspection subsystem includes: PXI / PXIe chassis, DC power supply, and network switch; The PXI / PXIe chassis contains a zero-slot controller, multimeter card, matrix switch card, power switch card, C-switch card, and arbitrary waveform generator card; The zero-slot controller and PXI / PXIe chassis together form a test and control computer for deploying automated test software; The multimeter card is used for measuring power supply excitation output, discrete quantity and analog quantity; Matrix switch cards and C-type switch cards are used for discrete quantity testing and analog quantity testing; The power switch card is used for multiple outputs of power supply excitation; The arbitrary waveform generator card is used to test the input of analog quantities. The arbitrary waveform generator outputs waveforms with specific amplitudes and frequencies. The DC power supply is used to input the power signal of the system under test and output the corresponding voltage signal; The network switch is used to connect the zero-slot controller and power supply; The zero-slot controller, multimeter card, matrix switch card, power switch card, C-type switch card, and arbitrary waveform generator card are connected to the PXI / PXIe chassis through the PXI / PXIe bus; The DC power supply and the zero-slot controller are connected through the LXI bus; the multimeter card, the matrix switch card, the power switch card, the C-type switch card, the arbitrary waveform generator card and the DC power supply are led to the signal transfer panel through internal cables, and the signal transfer panel is connected to the system under test through a test cable.

3. The system according to claim 2, characterized in that: The status check subsystem includes: PXI / PXIe chassis, network switch; The PXI / PXIe chassis has a zero-slot controller, multi-serial port card, and C-type switch card; The zero-slot controller and PXI / PXIe chassis together form the measurement and control computer; Multi-port serial card is used to test RS422 serial communication; The C-type switch card is used for switch control of the enable signal; The network switch is used to connect the network signals of the zero-slot controller and the system under test; The zero-slot controller, multi-serial port card, and C-type switch card are connected to the PXI / PXIe chassis through the PXI / PXIe bus; the zero-slot controller is connected to the network switch; the multi-serial port card, C-type switch card, and the network switch are connected to the signal transfer panel through internal cables, and the signal transfer panel is connected to the system under test through a test cable.

4. The system according to claim 3, characterized in that: The functional inspection subsystem includes: cabinet and universal console; The cabinet is equipped with a radio comprehensive tester, microwave signal source, ground measurement and control terminal simulator, flight controller, server, network switch and monitoring computer; The universal control console is used to provide basic operation and display units and a work surface for operators; Radio tester is used to demodulate and modulate analog RF signals and test transmitters and receivers; The microwave signal source is used to output a wireless analog signal; The ground measurement and control terminal simulator is used for ground link monitoring; The flight controller is used to generate continuous quantity signals; Servers are used for data processing; The monitoring computer is used for monitoring the ground link; The radio comprehensive tester, microwave signal source, ground measurement and control terminal simulator, flight controller, server and human-computer interaction computer in the general control console are all connected to the network switch; the radio comprehensive tester, microwave signal source and ground measurement and control terminal simulator are equipped with antennas to transmit wireless signals and communicate with the system under test.

5. An automated test method for power-on inspection of an unmanned helicopter, characterized in that: The method comprises: signal test, state test and function test.

6. The method according to claim 5, characterized in that: The signal testing process is as follows: A1: Select the device under test, select the test cable according to the device under test, connect the signal transfer panel in the signal inspection subsystem to the device under test through the test cable, and at the same time, check whether the unmanned helicopter platform meets the test conditions; A2: According to the test signal of the device under test, enable relevant test resources, including multimeter card, matrix switch card, power switch card, C-type switch card, arbitrary waveform generator card and DC power supply, and check whether the status of the test resources is intact; A3: Test according to the test steps of the test items, record the test data and compare it with the theoretical value to draw the test conclusion; A4: After the test is completed, organize the test report; A5: Restore the unmanned helicopter platform and test system.

7. The method according to claim 6, characterized in that: The status test process is as follows: B1: Select the device under test, select the test cable according to the device under test, connect the signal transfer panel in the status check subsystem to the device under test through the test cable, and at the same time, check whether the unmanned helicopter platform meets the test conditions; B2: Based on the tested status of the device under test, enable relevant test resources, including multi-serial port card and C-type switch card, and check whether the status of the test resources is intact; B3: Test according to the test steps of the test items, record the test data and compare it with the theoretical value to draw the test conclusion; B4: After the test is completed, organize the test report; B5: Restore the unmanned helicopter platform and test system.

8. The method according to claim 7, characterized in that: The functional testing process is as follows: C1: Select the system to be tested and check whether the unmanned helicopter platform meets the test conditions according to the system to be tested; C2: Based on the tested status of the equipment under test, enable relevant test resources, including radio comprehensive tester, microwave signal source, ground test and control terminal simulator, flight controller, server and human-computer interaction computer in the general control console, and check whether the status of the test resources is intact; C3: Test according to the test steps of the test items, record the test data and compare it with the theoretical value to draw the test conclusion; C4: After the test is completed, organize the test report; C5: Restore the unmanned helicopter platform and test system.

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