Searched refs:xk_1 (Results 1 – 1 of 1) sorted by relevance
57 static double xk_1, xk_2; /* input temperature x[k-#] */ variable87 xk_1 = 0.0; in controller_reset()112 p_term = -p_param.kp * (xk - xk_1); in controller_handler()114 d_term = -p_param.kp * p_param.kd * (xk - 2 * xk_1 + xk_2) / p_param.ts; in controller_handler()118 xk_1 = xk; in controller_handler()119 xk_2 = xk_1; in controller_handler()