ros_voice_system/scripts/voice_system_service/voice_system_restart

#!/bin/bash

# Copyright: 2016-2018 ROS小课堂 www.corvin.cn
# Author: corvin
# Description: when restart voice system node, this bash file should
#  be executed.
# History:
#    20181129: initial this bash file.

pid=`ps -ef|grep voice_bringup.launch|grep -v grep|awk '{print $2}'`
if [ -n "$pid" ]
then
    /usr/sbin/voice_system_stop
    sleep 3
fi

/usr/sbin/voice_system_start

exit 0