Alert system

An alert system, comprising:

• a vehicle control unit, controlling a traveling device and a cargo handling device of a cargo handling vehicle;
• an alarm device, mounted on the cargo handling vehicle and outputting an alarm by sound and/or light;
• and
• an information processing device, mounted on the cargo handling vehicle and connected to the vehicle control unit and the alarm device,
• wherein the information processing device comprising:
• an event detection unit which determines a plurality of hazardous events in a distinguishable manner based on vehicle information regarding the cargo handling vehicle from the vehicle control unit,
• wherein the hazardous events are determined based on the following:
• comparing preset thresholds and dynamic operational parameters of the cargo handling vehicle comprising at least one of a traveling speed, an acceleration, a turning speed;
• and
• detecting that the traveling device and the cargo handling device are being operated concurrently,
• an alarm control unit which activates the alarm device when the event detection unit detects any of the hazardous events, and causes the alarm device to output an alarm, and
• a restriction command unit which transmits a restriction command to the vehicle control unit to restrict operation of the cargo handling vehicle when the event detection unit detects a part of specific hazardous events among the hazardous events,
• wherein the vehicle control unit restricts traveling operation of the traveling device and/or cargo handling operation of the cargo handling device when receiving the restriction command from the information processing device.