Abstract: An integrated testing platform for power battery, electric drive system and electronic control system of an electric vehicle based on synchronized control of front and rear motors, including a first testing unit, a second testing unit, a third testing unit, a fourth testing unit and a wheelbase adjustment device. The first and second testing units are structurally identical, each including a first driving roller mechanism, a first driven roller mechanism, a first lifting device and a first motor. The third and fourth testing units are structurally identical, each including a second driving roller mechanism, a second driven roller mechanism, a second lifting device, a blocking device, a locking mechanism and a second motor. The wheelbase adjustment device is configured to adjust a distance between a base of the first motor and a frame assembly. The first motor and the second motor are synchronously controlled during testing.

Abstract: An integrated testing platform for power battery, electric drive system and electronic control system of an electric vehicle based on synchronized control of front and rear motors, including a first testing unit, a second testing unit, a third testing unit, a fourth testing unit and a wheelbase adjustment device. The first and second testing units are structurally identical, each including a first driving roller mechanism, a first driven roller mechanism, a first lifting device and a first motor. The third and fourth testing units are structurally identical, each including a second driving roller mechanism, a second driven roller mechanism, a second lifting device, a blocking device, a locking mechanism and a second motor. The wheelbase adjustment device is configured to adjust a distance between a base of the first motor and a frame assembly. The first motor and the second motor are synchronously controlled during testing.

Abstract: A method for online diagnosis of power battery voltage fault based on entropy algorithm, in which voltage time-series values of individual cells in a battery pack of a to-be-diagnosed vehicle are obtained to construct a first voltage data matrix; the first voltage data matrix is intercepted by a sliding time window to form a second voltage data matrix; voltage values of the second voltage data matrix are subjected to data exclusion and reconstruction to form a third voltage data matrix; Shannon entropy values of cells are calculated; each Shannon entropy value is transformed into an abnormal fluctuation evaluation coefficient of individual cells; whether there is a abnormal cell is determined; if yes, position and occurrence time of the abnormal cell are determined, and an abnormality degree is evaluated; otherwise, the time window is moved downward, and the above steps are repeated for the next iteration.

Abstract: An anti-force brake testing platform for an electric vehicle based on model predictive control (MPC) includes a first testing unit; a second testing unit; a third testing unit; a fourth testing unit; a wheelbase adjustment device; and a control cabinet system. The first and second testing units are structurally identical and have the same height, and are provided at the same horizontal foundation plane, with each including a first driving device, a first roller group, a first lifting device, a steering device, a frame, and a first control and test device. The third and fourth testing units are structurally identical, with each including a second driving device, a second roller group, a second lifting device, an anti-slip stopping mechanism, a first fixed base frame, a locking mechanism, and a second control and test device. The wheelbase adjustment device includes a second fixed base frame and a movable stand.