Vehicle platform, autonomous driving system, and vehicle control interface box
A VP includes a base vehicle and a VCIB. The VCIB interfaces between the VP and an ADS. The VCIB is configured to receive a power mode command that requests control of a power mode of the VP from the ADS. The power mode includes a sleep mode in which a vehicle power is in an off condition, a wake mode in which the VCIB is awake, an ignition on mode in which the vehicle is in an ignition on state, and a drive mode in which the vehicle power is in an on condition.
1. A vehicle platform on which an autonomous driving system is mountable, the vehicle platform comprising:
a vehicle; and
a vehicle control interface box that interfaces between the vehicle and the autonomous driving system, wherein
the vehicle control interface box includes a processor and a memory in which a program executed by the processor is stored,
the processor
receives a power mode command from the autonomous driving system, the power mode command includes requesting control of a power mode of the vehicle platform,
the vehicle includes
a main battery;
an auxiliary battery; and
a plurality of electronic control units, and
the power mode includes
a first mode in which the vehicle control interface box and the plurality of electronic control units are not awake,
a second mode in which the vehicle control interface box and a portion of electronic control units among the plurality of electronic control units are awake by a power feed from the auxiliary battery and without a power feed from the main battery, and wherein the vehicle is unable to travel,
a third mode in which the vehicle control interface box and a portion of the electronic control units larger than the portion in the second mode among the plurality of electronic control units are awake by the power feed from the auxiliary battery without the power feed from the main battery, and wherein the vehicle is unable to travel, and
a fourth mode in which the vehicle control interface box and the plurality of electronic control units are awake, and wherein the vehicle is able to travel.
2. The vehicle platform according to claim 1 , wherein
the power mode is such that
from the first mode, transition to the second mode can be made,
from the second mode, transition to any one of the first mode, the third mode, and the fourth mode can be made,
from the third mode, transition to any one of the first mode, the second mode, and the fourth mode can be made, and
from the fourth mode, transition to any one of the first mode and the second mode can be made.
3. The vehicle platform according to claim 2 , wherein
the processor ignores a request for transition from the fourth mode to the third mode.
4. The vehicle platform according to claim 1 , wherein
the processor transmits a power mode status indicating a status of the power mode of the vehicle platform to the autonomous driving system.
5. An autonomous driving system configured as being mountable on a vehicle platform, the vehicle platform including a vehicle and a vehicle control interface box that interfaces between the vehicle and the autonomous driving system, the autonomous driving system comprising:
a compute assembly; and
a communication module that communicates with the vehicle control interface box, wherein
the compute assembly is programmed to transmit a power mode command that requests control of a power mode of the vehicle platform to the vehicle control interface box through the communication module, the vehicle control interface box receiving the power mode command, and
the vehicle includes
a main battery;
an auxiliary battery; and
a plurality of electronic control units, and
the power mode includes
a first mode in which the vehicle control interface box and the plurality of electronic control units are not awake,
a second mode in which the vehicle control interface box and a portion of electronic control units among the plurality of electronic control units are awake by a power feed from the auxiliary battery and without a power feed from the main battery, and wherein the vehicle is unable to travel,
a third mode in which the vehicle control interface box and a portion of the electronic control units larger than the portion in the second mode among the plurality of electronic control units are awake by power feed from the auxiliary battery without the power feed from the main battery, and wherein the vehicle is unable to travel, and
a fourth mode in which the vehicle control interface box and the plurality of electronic control units are awake, and the vehicle is able to travel.
6. The autonomous driving system according to claim 5 , wherein
the power mode is such that
from the first mode, transition to the second mode can be made,
from the second mode, transition to any one of the first mode, the third mode, and the fourth mode can be made,
from the third mode, transition to any one of the first mode, the second mode, and the fourth mode can be made, and
from the fourth mode, transition to any one of the first mode and the second mode can be made.
7. The autonomous driving system according to claim 5 , wherein
the compute assembly is further programmed to receive a power mode status indicating a status of the power mode of the vehicle platform from the vehicle control interface box through the communication module.
8. A vehicle control interface box that interfaces between a vehicle platform and an autonomous driving system mounted on the vehicle platform, the vehicle control interface box comprising:
a processor; and
a memory in which a program executed by the processor is stored, wherein
the processor
receives, from the autonomous driving system, a power mode command that includes a request control of a power mode of the vehicle platform from the autonomous driving system in accordance with the program,
the vehicle platform includes a vehicle,
the vehicle includes
a main battery;
an auxiliary battery; and
a plurality of electronic control units, and
the power mode includes
a first mode in which the vehicle control interface box and the plurality of electronic control units are not awake,
a second mode in which the vehicle control interface box and a portion of electronic control units among the plurality of electronic control units are awake by a power feed from the auxiliary battery and without power feed from the main battery, and wherein the vehicle is unable to travel,
a third mode in which the vehicle control interface box and a portion of electronic control units larger than the portion in the second mode among the plurality of electronic control units are awake by the power feed from the auxiliary battery and without the power feed from the main battery, and wherein the vehicle is unable to travel, and
a fourth mode in which the vehicle control interface box and the plurality of electronic control units are awake, and the vehicle is able to travel.
9. The vehicle control interface box according to claim 8 , wherein
the power mode is such that
from the first mode, transition to the second mode can be made,
from the second mode, transition to any one of the first mode, the third mode, and the fourth mode can be made,
from the third mode, transition to any one of the first mode, the second mode, and the fourth mode can be made, and
from the fourth mode, transition to any one of the first mode and the second mode can be made.
10. The vehicle control interface box according to claim 9 , wherein
the processor ignores a request for transition from the fourth mode to the third mode.
11. The vehicle control interface box according to claim 8 , wherein
the processor further transmits a power mode status indicating a status of the power mode of the vehicle platform to the autonomous driving system.