Four-wheel-drive electromobile dynamics multi-target control system based on dynamic control distribution

• Main Authors: YUAN JIAWEI, ZHENG MIN, WU DONGMEI
• Format: Patent
• Language: Chinese; English
• Published: 23.02.2018
• Subjects: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TRANSPORTING; VEHICLES IN GENERAL

The invention discloses a four-wheel-drive electromobile dynamics multi-target control system based on dynamic control distribution. The system comprises a state measuring and estimating module, a dynamics decision-making module, a tire force control distribution module, an executor dynamic control distribution module and an execution system control module, the state measuring and estimating module is used for measuring and estimating electromobile state and reference information, the dynamics decision-making module is used for acquiring electromobile expected longitudinal driving force and yawing moment, the tire force control distribution module is used for controlling and distributing tire force to acquire expected tire force of four wheels, the executor dynamic control distribution module utilizes a model prediction control method to perform dynamic control distribution to acquire expected control input of a driving motor and a hydraulic brake system, and the execution system control module is used for a