scenario 2001 working
This commit is contained in:
Stefan Bühler
parent
0ff8e6f736
commit
f10041eac2
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@ -41,6 +41,12 @@ ADD_EXECUTABLE(task1
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task.c trace.c
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)
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ADD_EXECUTABLE(task2
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bin2.c
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task2.c
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task.c trace.c
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)
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SET(WARN_FLAGS "-g -O2 -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wcast-align -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed")
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# -Werror -Wbad-function-cast -Wmissing-prototypes
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@ -53,6 +59,9 @@ ADD_TARGET_PROPERTIES(ovmjit COMPILE_FLAGS ${COMMON_CFLAGS})
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ADD_TARGET_PROPERTIES(task1 LINK_FLAGS -lm ${COMMON_LDFLAGS})
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ADD_TARGET_PROPERTIES(task1 COMPILE_FLAGS ${COMMON_CFLAGS})
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ADD_TARGET_PROPERTIES(task2 LINK_FLAGS -lm ${COMMON_LDFLAGS})
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ADD_TARGET_PROPERTIES(task2 COMPILE_FLAGS ${COMMON_CFLAGS})
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IF(CMAKE_COMPILER_IS_GNUCC)
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -Wall -g -Wshadow -W -pedantic")
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SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O2")
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@ -0,0 +1,191 @@
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#include "task_main.h"
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#include "physics.h"
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#include <glib/gstdio.h>
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/*
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Output Ports:
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Address Sensor
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0x0 Score
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0x1 Fuel Remaining
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0x2 s_x Relative to Earth
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0x3 s_y Relative to Earth
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0x4 s_x Relative to target satellite
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0x5 s_y Relative to target satellite
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*/
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#define SCORE (task->out[0])
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#define FUEL (task->out[1])
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#define S_X (-task->out[2])
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#define S_Y (-task->out[3])
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#define T_X (S_X + task->out[4])
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#define T_Y (S_Y + task->out[5])
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#define DISTANCE (sqrt(task->out[4]*task->out[4]+task->out[5]*task->out[5]))
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#define DV_X (task->in[2])
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#define DV_Y (task->in[3])
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static const gdouble mu = G * Me;
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static void debug(task_t * task) {
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printf(
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"Step: %9"G_GUINT64_FORMAT" Score: %8.5f Fuel: %14.3f x: %14.3f y: %14.3f tx: %14.3f ty: %14.3f dist: %14.3f\n",
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task->timestamp, SCORE, FUEL, S_X, S_Y, T_X, T_Y, DISTANCE);
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}
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static int plot_sat, plot_target_sat;
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static GString *plot_str;
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static void open_data_files(task_t *task) {
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plot_str = g_string_sized_new(0);
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g_string_printf(plot_str, "plot_task2_%u_sat.dat", (guint) task->scenario);
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plot_sat = g_open(plot_str->str, O_CREAT | O_TRUNC | O_WRONLY, 0644);
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g_string_printf(plot_str, "plot_task2_%u_target_sat.dat", (guint) task->scenario);
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plot_target_sat = g_open(plot_str->str, O_CREAT | O_TRUNC | O_WRONLY, 0644);
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}
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static void trace_data(task_t *task) {
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g_string_printf(plot_str, "%14.3f %14.3f\n", S_X, S_Y);
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write(plot_sat, GSTR_LEN(plot_str));
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g_string_printf(plot_str, "%14.3f %14.3f\n", T_X, T_Y);
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write(plot_target_sat, GSTR_LEN(plot_str));
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}
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static void data_close() {
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close(plot_sat);
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close(plot_target_sat);
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g_string_free(plot_str, TRUE);
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}
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static void run(task_t *task, gpointer userdata) {
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static satellite_t sat, target_sat;
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static gdouble phi, target_v = 0.0;
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static guint start_hohmann = 0;
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static gdouble dv, dv_tic;
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static gboolean reached = FALSE, outoffuel = FALSE;
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UNUSED(userdata);
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/* v^2/r == G*M_e/r^2 => v^2 = mu/r */
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/* T = s/v = 2*pi*r/sqrt(mu/r) = 2*pi*r3*sqrt(r3/mu) */
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/* T' = pi*sqrt((r1+r2)^3/(8*G*Me)) */
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if (task->finished) {
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debug(task);
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data_close();
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} else if (0 == task->timestamp) {
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open_data_files(task);
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}
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if (0 == task->timestamp || task->finished) return;
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DV_X = DV_Y = 0.0;
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if (10 == (task->timestamp % 32) && task->timestamp > start_hohmann && (task->timestamp - start_hohmann) < 7000) trace_data(task);
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satellite_update_pos(&sat, S_X, S_Y);
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satellite_update_pos(&target_sat, T_X, T_Y);
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if (!reached) {
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if (2 == task->timestamp) {
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gdouble target_sat_T_half = M_PI*target_sat.rad*sqrt(target_sat.rad/(G*Me));
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gdouble sat_T_half = M_PI*sat.rad*sqrt(sat.rad/(G*Me));
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gdouble hohmann_T = M_PI*(target_sat.rad+sat.rad)*sqrt((target_sat.rad+sat.rad)/(8*G*Me));
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gdouble timediff = target_sat_T_half + hohmann_T;
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gdouble starttime = timediff*sat_T_half/(target_sat_T_half - sat_T_half);
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satellite_update_move(&sat);
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target_v = sqrt(mu/target_sat.rad);
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dv = sqrt(mu/sat.rad)*(sqrt(2*target_sat.rad/(sat.rad + target_sat.rad))-1);
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dv_tic = sqrt(mu/target_sat.rad)*(1-sqrt(2*sat.rad/(sat.rad + target_sat.rad)));
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phi = M_PI * timediff / target_sat_T_half;
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start_hohmann = starttime ;
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if (sat.move.v.x * S_Y > 0.0 && sat.move.v.y * S_X < 0.0) target_v = -target_v;
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printf("Vorsprung für Target: %u (Winkel: %14.3f)\n", start_hohmann, (180.0*phi/M_PI));
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// printf("T: %14.3f\n", 2*M_PI*target_sat.rad*sqrt(target_sat.rad/(G*Me)));
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} else if (start_hohmann == task->timestamp) {
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satellite_update_move(&sat);
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DV_X = sat.move.v.x * (dv / sat.move.v_abs);
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DV_Y = sat.move.v.y * (dv / sat.move.v_abs);
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printf("-- Leaving initial orbit at %u\n", (guint) task->timestamp);
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printf("-- Radius difference: %14.3f\n", fabs(atan2(S_Y, S_X) - atan2(T_Y, T_X))*180.0/M_PI);
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debug(task);
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printf("v: %f / %f\n", sat.move.v.x, sat.move.v.y);
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printf("Dv: %f / %f\n", DV_X, DV_Y);
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} else if (start_hohmann < task->timestamp) {
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if (sat.rad +2.0 >= target_sat.rad) {
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satellite_update_move(&sat);
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debug(task);
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reached = TRUE;
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DV_X = sat.move.v.x * (dv_tic / sat.move.v_abs);
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DV_Y = sat.move.v.y * (dv_tic / sat.move.v_abs);
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printf("-- Reached target orbit at %u, distance: %14.3f\n", (guint) task->timestamp, DISTANCE);
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printf("v: %f / %f\n", sat.move.v.x, sat.move.v.y);
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printf("Dv: %f / %f\n", DV_X, DV_Y);
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}
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}
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#if 0
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} else if (DISTANCE > 400) {
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gdouble dx = task->out[4], dy = task->out[5];
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#endif
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#if 0
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} else if (DISTANCE > 500.0) {
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gdouble phidiff = 180.0*(atan2(S_Y, S_X) - atan2(T_Y, T_X))/M_PI;
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gdouble target_rad = target_sat.rad - sat.rad;
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/* gdouble tar_dv_x = -target_v * S_Y / sat.rad;
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gdouble tar_dv_y = target_v * S_X / sat.rad;*/
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satellite_update_move(&sat);
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printf("Distance: %14.3f\n", phidiff);
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if (phidiff < 0 || phidiff > 180.0) { /* slow down */
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target_rad += 20.0;
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} else { /* speed up */
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target_rad -= 20.0;
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}
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target_rad = fmax(-5.0, fmin(5.0, target_rad));
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DV_X = /*tar_dv_x - sat.move.v.x*/ + target_rad * S_X / sat.rad;
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DV_Y = /*tar_dv_y - sat.move.v.y*/ + target_rad * S_Y / sat.rad;
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printf("v: %f / %f\n", sat.move.v.x, sat.move.v.y);
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printf("Dv: %f / %f\n", DV_X, DV_Y);
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debug(task);
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#endif
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} else if (!outoffuel) {
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satellite_update_move(&sat);
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if (FALSE && fabs(sat.rad - target_sat.rad) > 3) {
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gdouble tar_dv_x = -target_v * S_Y / sat.rad;
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gdouble tar_dv_y = target_v * S_X / sat.rad;
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gdouble target_rad = target_sat.rad - sat.rad;
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target_rad = fmax(-10.0, fmin(10.0, target_rad));
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DV_X = tar_dv_x - sat.move.v.x + target_rad * S_X / sat.rad;
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DV_Y = tar_dv_y - sat.move.v.y + target_rad * S_Y / sat.rad;
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printf("-- orbit correction\n");
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printf("v: %f / %f\n", sat.move.v.x, sat.move.v.y);
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printf("Dv: %f / %f\n", DV_X, DV_Y);
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} else {
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/* target_v is clockwise */
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gdouble tar_dv_x = -target_v * S_Y / sat.rad;
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gdouble tar_dv_y = target_v * S_X / sat.rad;
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DV_X = tar_dv_x - sat.move.v.x;
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DV_Y = tar_dv_y - sat.move.v.y;
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}
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if (DV_X*DV_X + DV_Y*DV_Y > FUEL*FUEL) {
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printf("-- Out of fuel\n");
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printf("v: %f / %f\n", sat.move.v.x, sat.move.v.y);
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printf("Dv: %f / %f\n", DV_X, DV_Y);
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DV_X = 0.0; DV_Y = 0.0;
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outoffuel = TRUE;
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}
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}
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if (fabs(DV_X) < 0.1) DV_X = 0.0;
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if (fabs(DV_Y) < 0.1) DV_Y = 0.0;
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sat.dv.x = DV_X; sat.dv.y = DV_Y;
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}
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static void run_debug(task_t *task, gpointer userdata) {
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debug(task);
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run(task, userdata);
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}
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int main(int argc, char **argv) {
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task_main(argc, argv, run, run_debug, NULL, 2001);
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return 0;
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}
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