The off-road machine industry is transitioning from electric- and hydraulic-assisted technologies to computer-assisted technologies. The main enabler for this transition is the use of a communication network embedded on the machine. This often doubles the electrical complexity and cost of the on-board electronics for the machine. However, the value of built-in diagnostics and monitoring of important machine features offsets the added cost and complexity of the electronics. Once this network and architecture is in place, there is opportunity for adding control features, enhanced diagnostics, and specialty sensors that can create significant value to the machine with a minimum of added cost. This paper will describe the types of sensors used for four principle roles on a machine. The sensors' specific requirements will be compared by use. Often the accuracy requirements for a sensor increase by nearly an order of magnitude between monitoring functions and control and diagnostics functions. This paper discusses the state of the art for the use of sensors in off-road machines from a life-cycle perspective ranging from emerging to mature usage needs.
Creating value in on-board electronics: The role of sensors
2008
8 Seiten, 4 Bilder, 2 Tabellen
Conference paper
English
Automotive electronics-sensors
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