Range extender thermal management working condition control method and device and readable storage medium

• Main Authors: SUN QIANG, WANG YUEHONG, WANG XINLI, LUO LICHENG, HUANG YUANPING
• Format: Patent
• Language: Chinese; English
• Published: 18.07.2023
• Subjects: BLASTING; COMBUSTION ENGINES; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; CONTROLLING COMBUSTION ENGINES; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; TRANSPORTING; VEHICLES IN GENERAL; WEAPONS

The invention relates to the technical field of new energy automobile control, in particular to a range extender thermal management working condition control method and device and a readable storage medium, and the method comprises the following steps: step 1, obtaining first target power, first temperature, second temperature and third temperature; 2, calculating to obtain a first target rotating speed; 3, if yes, it is judged that the range extender is in an overheating state, and the step 4 is executed; otherwise, entering step 5; 4, calculating to obtain a second target rotating speed, and replacing the second target rotating speed with the first target rotating speed; 5, calculating to obtain a first target torque, and transmitting the first target torque to an engine controller to control engine output; 6, acquiring actual torque, calculating to obtain target torque, transmitting the target torque to a motor controller to control motor output, and returning to the step 1 after the target torque is compl