Collision judgment system, method, apparatus, and device

A control device in communication with a moving device, the moving device including an acceleration sensor, the control device, comprising:

• a memory and a processor coupled to the processor, the processor being configured to perform:
• after determining by the moving device and according to acceleration data collected by the acceleration sensor that the moving device collides, receiving collision information from the moving device, wherein the collision information includes information on a collision type, wherein the acceleration data includes a first acceleration and a second acceleration, a direction of the first acceleration is a forward direction of the moving device, and a direction of the second acceleration is perpendicular to the direction of the first acceleration;
• calculating, when determining that the moving device collides, a first average acceleration of n first accelerations and a second average acceleration of n second accelerations in n groups of the acceleration data that are recently collected;
• when the first average acceleration is less than 0, and the first average acceleration is greater than the second average acceleration, determining that the collision type is head front active collision;
• when the first average acceleration is less than 0, the first average acceleration is less than the second average acceleration, and a quotient of the first average acceleration by the second average acceleration is greater than a fourth threshold, determining that the collision type is head side active collision;
• when the first average acceleration is less than 0, the first average acceleration is less than the second average acceleration, and a quotient of the first average acceleration by the second average acceleration is less than a fourth threshold, determining that the collision type is horizontal collision;
• when the first average acceleration is greater than 0, and the first average acceleration is greater than the second average acceleration, determining that the collision type is collision against the tail by the front;
• when the first average acceleration is greater than 0, the first average acceleration is less than the second average acceleration, and a quotient of the first average acceleration by the second average acceleration is greater than a fourth threshold, determining that the collision type is collision against the tail by a side;
• and
• when the first average acceleration is greater than 0, the first average acceleration is less than the second average acceleration, and a quotient of the first average acceleration by the second average acceleration is less than a fourth threshold, determining that the collision type is the horizontal collision.

A collision judgment apparatus, used in a collision judgment device, comprising:

• a memory;
• and a processor coupled to the memory, the processor being configured for:
• receiving collision information sent from a moving device via a control device;
• and
• notifying the moving device on whether the moving device collides with a second moving device according to the collision information, wherein the collision information includes information on a collision type and acceleration data collected by the moving device, wherein the acceleration data includes a first acceleration and a second acceleration, a direction of the first acceleration is a forward direction of the moving device, and a direction of the second acceleration is perpendicular to the direction of the first acceleration, and wherein determining the collision type by the moving device includes:
• calculating a first average acceleration of n first accelerations and a second average acceleration of n second accelerations in n groups of the acceleration data that are recently collected;
• when the first average acceleration is less than 0, and the first average acceleration is greater than the second average acceleration, determining that the collision type is head front active collision;
• when the first average acceleration is less than 0, the first average acceleration is less than the second average acceleration, and a quotient of the first average acceleration by the second average acceleration is greater than a fourth threshold, determining that the collision type is head side active collision;
• when the first average acceleration is less than 0, the first average acceleration is less than the second average acceleration, and a quotient of the first average acceleration by the second average acceleration is less than a fourth threshold, determining that the collision type is horizontal collision;
• when the first average acceleration is greater than 0, and the first average acceleration is greater than the second average acceleration, determining that the collision type is collision against the tail by the front;
• when the first average acceleration is greater than 0, the first average acceleration is less than the second average acceleration, and a quotient of the first average acceleration by the second average acceleration is greater than a fourth threshold, determining that the collision type is collision against the tail by a side;
• and
• when the first average acceleration is greater than 0, the first average acceleration is less than the second average acceleration, and a quotient of the first average acceleration by the second average acceleration is less than a fourth threshold, determining that the collision type is the horizontal collision.