Abstract: The present invention corresponds to a weigh-in-motion system for motor vehicles based on flexible, fiber-optic sensors. The field of application of the patent object is the measurement of dynamic physical events that are caused directly or indirectly by the passage of a motor vehicle over the sensors. This system consists of 5 blocks: an information processing and display equipment (5) is connected to an optical emission and detection equipment (2), one or more presence sensors (3), a temperature sensor (4), and one or more weight sensors (1). It has advantages over other technologies, such as: simplified manufacture and compact size, sensors immune to electromagnetic interference, long service life, and the possibility of being installed on different types of pavement.

Abstract: The present invention relates to the technical field of systems for measurement of weight load and other physical variables in vehicles and/or containers, comprising a system of sensing and monitoring of their conditions, instantaneous or not. Consists of an external data collection subsystem (SSI) with module with sensing network (1), signal transduction module (2) and connection module (3); of a data processing and reading subsystem (SSII) with energizing module (4); reading and data acquisition module (5); processing and memory module (6); and data transmission subsystem (SSIII) with data communication module (7). The system has advantages, does not present false sensor measurements, that allow wide multiplexing, no electricity, high signal and there is no electromagnetic interference, they are robust, do not suffer corrosion and do not fail due to vibration and mechanical impacts.