Update furuta.jl

src/interface_implementations/furuta.jl

@@ -105,7 +105,8 @@ function phi(p::Furuta)
 end
 function theta(p::Furuta)
    # a = (measure_theta(p) + 5.1763)*0.3091
-   a = (measure_theta(p) - 2.43)*0.627
+   a = (measure_theta(p) + 4.85)*0.316
+  # a = (measure_theta(p) - 2.43)*0.627
     #if abs(a) < 0.5
      #   a = (measure_theta_precise(p) + 0.7792)*0.058
     #end