Vehicle-mounted reliability test system and method, control method of upper computer, computer equipment, computer readable storage medium and computer program product

The embodiment of the invention discloses a vehicle-mounted reliability test system and method, a control method of an upper computer, computer equipment, a computer readable storage medium and a computer program product, and the vehicle-mounted reliability test system comprises a test upper computer which is provided with a plurality of types of acquisition board cards and a plurality of instrument interfaces; the load box is connected with the upper computer and is used for communicating with a tested piece and performing data acquisition, the load box can acquire current, voltage and power and synchronize the current, voltage and power to the upper computer, and the load box can receive the control of the upper computer to perform current range switching; the load box can communicate with the tested piece through at least one CAN and at least one Ethernet; and a direct current power supply is connected with the upper computer, the upper computer controls the configuration and output of the direct current p