Automated electronics to avoid difficult sail lowering in quickly changing wind speed and direction at sea .

Abstract

The invention is related to a sail(s) for sailboats, said sail(s) to be controlled in its lowering operation electronically and in raising electronically when safety issues have been satifactorily addressed; utilizing among other devices, a multitude of Tricore controllers, hereinafter described as Tricore (for harsh environments) or other controllers with similar characteristics. The sailing control device has a cleat, a resistance spring, a line having a first end located through the cleat means, and a second end attached to the resistance spring and a sensor adapted to detect the extent to which the line is pulled through the cleat. The present disclosure further relates to a sailing vessel control system having one or more of the sailing vessel control devices, one or more sail actuators, and a control unit.

What is claimed: 
     
         1 . A sailing vessel control device, utilizing the Aurix Tricore  32  bit microcontroller (for harsh environments) hereinafter designated Tricore, or similar controls, comprising: a cleat means, a resistance means, a line having a first end located through the cleat means and a second end attached to the resistance means, and a sensor operable to: detect manual input, the manual input comprising an extent to which the line is pulled through the cleat means, and output a line signal generated from the detected manual output and corresponding to a position of the line, the output line signal for use by a separate device to control the sailing vessel. 
     
     
         2 . A sailing vessel control device according to  claim 1 , further comprising an actuator operable to apply a feedback force to the line. 
     
     
         3 . A sailing vessel control device according to  claim 2 , wherein the actuator and the sensor. are provided by a servo motor. 
     
     
         4 . A sailing vessel control device according to  claim 1 ,wherein the resistance means is a biasing means operable to bias the line towards the biasing means. 
     
     
         5 . A sailing vessel control device according to  claim 4 , wherein the biasing device is a gas spring. 
     
     
         6 . A sailing vessel control device according to  claim 1 , further comprising a pulley arrangement, and wherein an intermediate portion of the line is threaded through the pulley arrangement to provide a mechanical advantage to a user pulling on the first end of the line in use. 
     
     
         7 . A sailing vessel control system, comprising one or more of the sailing vessel control devices of  claim 1 , each outputting the line signal, one or more sail actuators, and the separate device, which comprises a control unit (Tricore) operable to receive and then process the line signal of each sailing vessel control device and to send one or more actuator signals to a respective one or more sail actuators to move one or more corresponding sails. 
     
     
         8 . A sailing vessel control system according to  claim 7 , further comprising one or more vessel sensors and wherein the control unit is further operable to receive and process information from one or more vessel sensors to modify the one or more actuator signals to improve sailing effectiveness in use. 
     
     
         9 . A sailing vessel control system according to  claim 8 , wherein the one or more vessel sensors include one or more sensors from the following group of sensors: a wind speed sensor, a wind direction sensor, a heel sensor, a servo input, a rudder position sensor, a user input device and a GPS unit. 
     
     
         10 . A sailing vessel control system according to  claim 7 , wherein each of the one or more of the sailing vessel control devices has one or more feedback actuators operable to apply a feedback force to the line that is substantially proportional to a resistance experienced by the one or more sail actuators in use. 
     
     
         11 . A sailing vessel control system according to  claim 9 , wherein the one or more vessel sensors comprise at least a wind direction sensor and a heel sensor, and the control unit is operable to: identify a tack of the vessel in use based on information received from one or more of the vessel sensors; and send one or more actuator signals to at least one of the one or more sail actuators to move a jib sail based on the tack of the vessel in use. 
     
     
         12 . A sailing vessel control system according to  claim 11 , wherein the one or more vessel sensors further comprise a rudder position sensor. 
     
     
         13 . A sailing vessel control system, comprising a cleat, a bias device operable to impart resistance; a line having: a first end disposed through the cleat; and a second end operatively connected to the bias device imparting resistance at the line; a sail actuator operable to move a sail of a sailing vessel; and a control unit communicatively connected to the sensor and to the sail actuator and operable to: receive and process the line signal; and send an actuator signal to the sail actuator to, thereby, cause movement of the sail. 
     
     
         14 . The sailing vessel control system according to  claim 13 , which further comprises: an actuator operable to apply a feedback force to the line; and a pulley assembly through which an intermediate portion of the line is threaded, the pulley assembly operable to provide a mechanical advantage to a user puller on the first end of the line in use.