A system and method includes accessing a road network database to identify a tire cost for a plurality of edges in a mining road network, identifying least-cost paths between each of a plurality of nodes on the mining road network using the tire cost for each of the plurality of edges, the nodes including a loading area and a dumping area for a plurality of haul trucks, accessing a distributed objects database to identify constraints for the nodes on the mining road network, determining a production plan using the constraints for the nodes on the mining road network, determining a task assignment for each of the plurality of haul trucks using the production plan as guide, and transmitting the task assignment for each of the plurality of haul trucks.

A pneumatic tire includes a first tread area portion, an electric power source, a transmission device, an accelerometer, and a control unit configured to operate in a power saving mode and a normal mode. A contact of the first tread area portion with a surface is detected by sensing acceleration of the first tread area portion by the accelerometer. The control unit is configured to switch from the normal mode to the power saving mode after a detection that the first tread area portion is on a contact patch of the tire. The control unit is configured to switch from the power saving mode to the normal mode when a first specified time depending on the rotation speed of the tire has elapsed since the detection that the first tread area portion is on the contact patch. A monitoring method and a system are used with the pneumatic tire.

A pneumatic tire includes a first tread area portion, an electric power source, a transmission device, an accelerometer, and a control unit configured to operate in a power saving mode and a normal mode. A contact of the first tread area portion with a surface is detected by sensing acceleration of the first tread area portion by the accelerometer. The control unit is configured to switch from the normal mode to the power saving mode after a detection that the first tread area portion is on a contact patch of the tire. The control unit is configured to switch from the power saving mode to the normal mode when a first specified time depending on the rotation speed of the tire has elapsed since the detection that the first tread area portion is on the contact patch. A monitoring method and a system are used with the pneumatic tire.

A sensor transceiver transitions into a first state that is capable of receiving RF waves intermittently. Upon starting to receive a burst signal on RF waves from a vehicle-body system under the first state, the sensor transceiver transitions into a second state that is capable of receiving RF waves continuously. Upon receiving a request signal on RF waves from the vehicle-body system under the second state, the sensor transceiver transmits data on tire pressure to the vehicle-body system.

A tire failure prediction system includes first and second temperature sensors to detect temperatures of first and second tires mounted on a traveling vehicle, a temperature acquisition unit to acquire the temperatures detected by the first and second temperature sensors, and a determination unit to determine, based on the temperatures acquired, a possibility of failure for the first and second tires. The vehicle includes axles on which the tires are mounted. The first and second tires are mounted on an identical axle of the vehicle. Mounting positions of the first and second tires are symmetrical on the identical axle. The determination unit determines that the first tire has a possibility of failure where the temperature of the first tire is greater than a predetermined threshold, and a difference between the temperatures of the first and second tires is greater than a predetermined first temperature threshold.

A tire failure prediction system includes first and second temperature sensors to detect temperatures of first and second tires mounted on a traveling vehicle, a temperature acquisition unit to acquire the temperatures detected by the first and second temperature sensors, and a determination unit to determine, based on the temperatures acquired, a possibility of failure for the first and second tires. The vehicle includes axles on which the tires are mounted. The first and second tires are mounted on an identical axle of the vehicle. Mounting positions of the first and second tires are symmetrical on the identical axle. The determination unit determines that the first tire has a possibility of failure where the temperature of the first tire is greater than a predetermined threshold, and a difference between the temperatures of the first and second tires is greater than a predetermined first temperature threshold.

A method for detecting the risk of blowout of a tire fitted to a motor vehicle, the method including the steps of measuring the temperature of the gases in the tire, if the measured temperature value is higher than or equal to a first threshold, determining a change in the measured temperature over a first time period and comparing the measured temperature value with a second threshold, if the measured temperature has increased by a value higher than or equal to a threshold difference or, if the measured temperature value is higher than or equal to the second threshold and higher than or equal to a third threshold or higher than or equal to a second threshold over a second time period, detecting a risk of blowout of the tire.

A method for detecting the risk of blowout of a tire fitted to a motor vehicle, the method including the steps of measuring the temperature of the gases in the tire, if the measured temperature value is higher than or equal to a first threshold, determining a change in the measured temperature over a first time period and comparing the measured temperature value with a second threshold, if the measured temperature has increased by a value higher than or equal to a threshold difference or, if the measured temperature value is higher than or equal to the second threshold and higher than or equal to a third threshold or higher than or equal to a second threshold over a second time period, detecting a risk of blowout of the tire.

An abnormality monitoring system includes gas sensors provided in the cavity or the vicinity of a tire provided in a vehicle, a determination unit that determines the presence of an abnormality in the tire on the basis of the detection results of the gas sensors, and an output unit that outputs data based on the determination result of the determination unit. The gas sensors detect a volatile substance when abnormal heat build-up occurs in the tire. The volatile substance is a substance derived from an additive added when a tire is manufactured.

An abnormality monitoring system includes gas sensors provided in the cavity or the vicinity of a tire provided in a vehicle, a determination unit that determines the presence of an abnormality in the tire on the basis of the detection results of the gas sensors, and an output unit that outputs data based on the determination result of the determination unit. The gas sensors detect a volatile substance when abnormal heat build-up occurs in the tire. The volatile substance is a substance derived from an additive added when a tire is manufactured.