Route resource controlling method, intelligent vehicle on-board controller and object controller
An embodiment of the present disclosure provides a route resource controlling method, intelligent vehicle on-board controller and object controller. The method comprises: determining a route search extension distance of a train based on current location and speed of the train, wherein the current route search extension distance is the farthest distance in front of the train that is currently expected to be safe for operation based on current speed of the train; determining the currently required link and route resource contained thereof; determining the target authority of the route resource.
1. A route resource controlling method in an intelligent vehicle on-board controller (IVOC) on a train, the controlling method comprises:
determining a route search extension distance of the train based on current location and speed of the train, wherein the current route search extension distance is the farthest distance in front of the train that is currently expected to be safe for operation based on current speed of the train;
determining a currently required link sequence and route resource contained thereof according to current location of the train and the current route search extension distance, wherein the currently required link sequence comprises all path segments in the determined route search extension distance;
determining a target authority of the route resource, wherein the target authority is either exclusive lock authority or shared lock authority;
sending a route resource occupation request according to the target authority to an object controller (OC), and receiving a resource application result for the route resource occupation request returned by the OC; and
determining the current safe path for the train based on the route search extension distance and the resource application result,
wherein determining the current route search extension distance of the train based on the current speed of the train comprises:
L route search =max{ L dynamic , L min }
wherein L route search represents the current route search extension distance; L dynamic represents the dynamic extension distance of the route search determined according to the current speed of the train, and L dynamic is proportional to the current speed of the train; and
L min represents the default minimum extension distance.
2. The controlling method according to claim 1 , wherein the method further comprises:
obtaining an operation schedule of a train; determining an entire line link sequence and route resources requested by the entire line based on the operation schedule, wherein the route resources requested by the entire line comprises route resources contained in the currently required link sequence.
3. The controlling method according to claim 2 , wherein the operation schedule of the train comprises the man-machine interface (MMI) arbitrary parking area operation schedule, wherein the MMI arbitrary parking area operation schedule is the operation schedule of the running path determined by the train itself based on the arbitrary position of the driver input obtained by the MMI module.
4. The controlling method according to claim 1 , wherein the route resource comprises turnouts; and the target authority of the turnout is determined based on desired state and current state of the turnout.
5. The controlling method according to claim 4 , wherein the target authority of the turnout are determined based on the desired state of the turnout and the current state of the turnout, including:
in case that the desired state of the turnout and the current state of the turnout are different, determining the target authority of the turnout as exclusive lock authority;
in case that the desired state of the turnout is the same as the current state of the turnout and the train running mode is forward, determining the target authority of the turnout as shared lock authority; and
in case that the desired state of the turnout is the same as the current state of the turnout and the train running mode is reentrant, determining the target authority of the turnout as exclusive lock authority.
6. The controlling method according to claim 5 , wherein if the desired state of the turnout is different from the current state, the route resource occupation request sent by the IVOC to the OC also comprises the corresponding turnout, wherein the switching instruction is used to switch the turnout from the current state to the desired state under control of the OC when the exclusive lock authority application of the corresponding turnout is successful.
7. The controlling method according to claim 6 , wherein after switching the turnout from the current state to the desired state, the controlling method further comprises:
sending an authority conversion request for the corresponding turnout to the OC after the corresponding turnout controlled by the OC is switched from the current state of the turnout to the desired state of the turnout.
8. An intelligent vehicle on-board controller (IVOC) on a train, the IVOC comprises:
a route search determination module, for determining a route search extension distance of the train based on current location and speed of the train, wherein the current route search extension distance is the farthest distance in front of the train that is currently expected to be safe for operation based on current speed of the train;
a route resource determination module, for determining the currently required link sequence and route resource contained thereof according to current location of the train and the current route search extension distance, wherein the currently required link sequence comprises all path segments in the determined route search extension distance;
a resource authority determination module, for determining a target authority of the route resource, wherein the target authority is either exclusive lock authority or shared lock authority; and
a resource occupation application module, for sending a route resource occupation request according to the target authority to an OC, and receiving a resource application result for the route resource occupation request returned by the OC,
wherein the current route search extension distance of the train is determined based on the current speed of the train:
L route search =max{ L dynamic , L min }
wherein L route search represents the current route search extension distance; L dynamic represents the dynamic extension distance of the route search determined according to the current speed of the train, and L dynamic is proportional to the current speed of the train; and L min represents the default minimum extension distance.
9. The controlling method according to claim 1 , wherein the L dynamic is calculated as follows:
L dynamic =K 1 ×V current 2 +K 2 ×V current
wherein V current is the current speed of the train, K 1 is a first preset coefficient, K 2 is the second preset coefficient, wherein K 1 and K 2 are positive numbers.
10. The intelligent vehicle on-board controller (IVOC) according to claim 8 , further comprises an operation schedule determination module,
wherein the operation schedule determination module is configured to obtain an operation schedule of a train; and determine an entire line link sequence and route resources requested by the entire line based on the operation schedule, wherein the route resources requested by the entire line comprises route resources contained in the currently required link sequence.
11. The intelligent vehicle on-board controller (IVOC) according to claim 10 , wherein the operation schedule of the train comprises the man-machine interface (MMI) arbitrary parking area operation schedule, wherein the MMI arbitrary parking area operation schedule is the operation schedule of the running path determined by the train itself based on the arbitrary position of the driver input obtained by the MMI module.
12. The intelligent vehicle on-board controller (IVOC) according to claim 8 , wherein the route resource comprises turnouts; and the target authority of the turnout is determined based on desired state and current state of the turnout.
13. The intelligent vehicle on-board controller (IVOC) according to claim 12 , wherein the resource authority determination module is configured to:
determine the target authority of the turnout as exclusive lock authority in case that the desired state of the turnout and the current state of the turnout are different,
determine the target authority of the turnout as shared lock authority in case that the desired state of the turnout is the same as the current state of the turnout and the train running mode is forward, and
determine the target authority of the turnout as exclusive lock authority in case that the desired state of the turnout is the same as the current state of the turnout and the train running mode is reentrant.
14. The intelligent vehicle on-board controller (IVOC) according to claim 13 , wherein if the desired state of the turnout is different from the current state, the route resource occupation request sent by the IVOC to the OC also comprises the corresponding turnout, wherein the switching instruction is used to switch the turnout from the current state to the desired state under control of the OC when the exclusive lock authority application of the corresponding turnout is successful.
15. The intelligent vehicle on-board controller (IVOC) according to claim 14 , wherein the resource authority determination module is configured to:
send an authority conversion request for the corresponding turnout to the OC after the corresponding turnout controlled by the OC is switched from the current state of the turnout to the desired state of the turnout.
16. The intelligent vehicle on-board controller (IVOC) according to claim 8 , wherein the L dynamic is calculated as follows:
L dynamic =K 1 ×V current 2 +K 2 ×V current
wherein V current is the current speed of the train, K 1 is a first preset coefficient, K 2 is the second preset coefficient, wherein K 1 and K 2 are positive numbers.