Apparatus for use in the extraction of energy from waves on wate

Details Apparatus for use in the extraction of energy from waves on wate Apparatus for use in the extraction of energy from waves on wate

1977-01-14

1979-01-09

Scott, James R.

Prime-mover dynamo plants

Electric control

Tide and wave motors

290 43, F03B 1310

Patent

active

041340230

ABSTRACT:
In a nodding duck for extracting power from waves on water, a control system is incorporated for generating a feedback force related to one or more of the parameters of movement, viz. the displacement position, velocity or acceleration of the duck. The relationship between the feedback force and the parameter is chosen to control the response of the duck for example to enhance the coupling between waves and the duck over a broader range of wave frequencies than would be practicable in the absence of the control system.

REFERENCES:
patent: 3928967 (1975-12-01), Salter
patent: 4048512 (1977-09-01), Wood

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