CN-224217026-U - Controller hardware in-loop test simulation system

Abstract

The utility model relates to the technical field of automobile controller testing, in particular to a hardware-in-the-loop test simulation system of a controller, which comprises a tested controller, a processor connected with the tested controller, a first board card connected with the processor, a simulation load, a real load, a second board card and a third board card connected with the first board card, an upper computer connected with the processor, a programmable power supply and a connector connected with the first board card. Therefore, the problems that the hardware-in-loop HIL test equipment of the existing controller cannot meet the test requirement of the power chassis integrated controller PCCU and the like are solved.

Inventors

• WANG HAIYAN
• HUANG YINGHUA
• CAO HAIYAN

Assignees

• 北京新能源汽车股份有限公司

Dates

Publication Date

20260508

Application Date

20250509

Claims (10)

1. 1. A controller hardware-in-the-loop test simulation system, comprising: a measured controller; The processor is connected with the tested controller, wherein the processor runs a hardware simulation model, and the running of the tested controller is simulated through the hardware simulation model; the first board card is connected with the processor and simulates input and output signals of the tested controller; The simulation load, the real load, the second board card and the third board card are connected with the first board card, wherein the second board card conditions the input and output signals, and the third board card performs fault injection on the input and output signals; And the upper computer is connected with the processor, and transmits a test signal and a load control signal to the processor, and the load control signal is transmitted through the first board card, so that the switching between the simulation load and the real load is realized.
2. 2. The controller hardware-in-the-loop test simulation system of claim 1, wherein the hardware simulation model comprises a resistive actuator, a direct current motor, a solenoid and a solenoid valve, wherein the resistive actuator, the direct current motor, the solenoid and the solenoid valve are all connected with the controller under test.
3. 3. The controller hardware-in-the-loop test simulation system of claim 2, wherein the direct current motor, the electromagnetic coil, and the electromagnetic valve are all simulated with electronic loads.
4. 4. The controller hardware-in-the-loop test simulation system of claim 1, wherein the simulation load is a power resistor for simulating the resistive actuator.
5. 5. The controller hardware-in-the-loop test simulation system of claim 1, wherein the real load is disposed within a load box.
6. 6. The controller hardware-in-the-loop test simulation system of claim 1, further comprising a programmable power supply for powering the first through third boards and the processor, and wherein a simulated battery power supply provides power to the controller under test.
7. 7. The controller hardware-in-the-loop test simulation system of claim 6, wherein the processor is connected to the controller under test by a signal transmission harness.
8. 8. The controller hardware-in-the-loop test simulation system of claim 7, further comprising a connector coupled to the first board card.
9. 9. The controller hardware-in-the-loop test simulation system of claim 8, wherein the programmable power supply, the first board card, the connector and the signal transmission harness meet peak current and power requirements of the controller under test.
10. 10. The controller hardware-in-the-loop test simulation system of any of claims 1-9, wherein the controller under test is a controller with power direct drive capability.

Description

Controller hardware in-loop test simulation system Technical Field The utility model relates to the technical field of automobile controller testing, in particular to a controller hardware-in-loop test simulation system. Background In the field of automobile engineering, with the continuous development of technology, the test requirements for vehicle controllers are increasingly improved, PCCU (Powertrain AND CHASSIS Control Unit power chassis integrated controller) is generated in off-road projects, and the vehicle controller relates to a plurality of components, has complex and various functions, not only has power driving capability, can directly drive and execute the work of a motor, an electromagnetic valve, an electromagnetic coil and the like, but also needs to carry out load current recovery. However, the related art HIL test of the related art is mainly based on a signal level (controller operating current mA level) test device, and cannot meet the test requirement that the peak operating current of PCCU can reach 80A. Disclosure of utility model The utility model provides a controller Hardware-in-Loop test simulation system, which aims to solve the problems that the existing controller HIL (Hardware-in-the-Loop) test equipment cannot meet the test requirement of PCCU controllers. The embodiment of the first aspect of the utility model provides a controller hardware-in-loop test simulation system, which comprises a tested controller, a processor connected with the tested controller, a first board connected with the processor for simulating input and output signals of the tested controller, a simulation load, a real load, a second board and a third board connected with the first board, wherein the second board conditions the input and output signals, the third board performs fault injection on the input and output signals, an upper computer connected with the processor, the upper computer sends test signals and load control signals to the processor, the load control signals are transmitted through the first board to realize switching between the simulation load and the real load, a programmable power supply is used for supplying power to the first to the third boards and the processor, a storage battery is simulated for supplying power to the tested controller, and a connector connected with the first board. Optionally, the hardware simulation model comprises a resistive actuator, a direct current motor, an electromagnetic coil and an electromagnetic valve, wherein the resistive actuator, the direct current motor, the electromagnetic coil and the electromagnetic valve are all connected with the measured controller. Optionally, the direct current motor, the electromagnetic coil and the electromagnetic valve are all simulated by adopting electronic loads. Optionally, the dummy load is a power resistor for simulating a resistive type actuator. Optionally, the real load is disposed within a load box. Optionally, the processor is connected with the measured controller through a signal transmission wire harness. Optionally, the programmable power supply, the first board card, the connector and the signal transmission harness meet the peak current and power requirements of the controller under test. Optionally, the controller to be measured is a controller with power direct drive capability. Therefore, the utility model has at least the following beneficial effects: The controller hardware in-loop test simulation system provided by the utility model integrates a tested controller, a processor for running a hardware simulation model, a first board for simulating input and output signals, a second board for signal conditioning and a third board for fault injection, not only can perform functions and integrated tests in advance to the early stage of development, but also can perform tests under extreme conditions in a safe environment. The programmable power supply contained in the system supplies power for all the components, the storage battery can be simulated to supply power for the controller, the power supply stability in the whole test process is ensured, and finally, all key components such as the programmable power supply, the first to third boards, the connector and the signal transmission wire harness are designed to meet the requirements of the peak current and the power of the controller, and the compatibility between the test equipment and the tested controller is ensured. Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model. Drawings The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which: FIG. 1 is a schematic diagram of a low power HIL test system according