I am an electronic engineer with a very limited knowledge of hydraulics. I am looking into the feasibility of an electronically controlled damping valve for use on "off road" competition motorcycles. The main criteria for the valve is to effectively control in real time the damping co-efficient of the suspension system by altering the flow rate (orifice)of the oil within the suspension legs. Control of the valve(s) will be by means of an electronic control unit which will take inputs from various sensors on the machine. In order to to this I require a valve which can operate very quickly, maybe 10 mS to 50mS between full flow and reduced flow states. Ideally the valve should be "analogue" in nature such that I can control the valve for a flow rate anywhere between the prescribed min & max flow rates. An alternative may be to use a number of fixed orifices in parallel which can be operated in an "on-off" fashion to approximate my analogue goal. Could anyone steer me in the right direction regarding a suitable type of valve for development purposes. Of course my secondary requirements of size and power consumption relate more to the production issues which are not my prime concerns at this stage of development.
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