diff --git a/docs/en/SUMMARY.md b/docs/en/SUMMARY.md index 29690051..6fb91b59 100644 --- a/docs/en/SUMMARY.md +++ b/docs/en/SUMMARY.md @@ -34,7 +34,7 @@ * Coding * [ROS](ros.md) * [MAVROS](mavros.md) - * [Simple offboard](simple_offboard.md) + * [Simple OFFBOARD](simple_offboard.md) * [Navigation using ArUco markers](aruco.md) * [Automatic check](selfcheck.md) * [Code examples](snippets.md) @@ -55,6 +55,6 @@ * [Contribution to Clever](contributing.md) * [Flashing ESCs using BLHeliSuite](esc_firmware.md) * [MAVLink](mavlink.md) - * [PX4 Logs and Topics ](flight_logs.md) + * [PX4 Logs and Topics](flight_logs.md) * Textbook - * [Theory and Videos](lessons.md) \ No newline at end of file + * [Theory and Videos](lessons.md) diff --git a/docs/en/flight_logs.md b/docs/en/flight_logs.md index 6f6d2fed..0c8d4403 100644 --- a/docs/en/flight_logs.md +++ b/docs/en/flight_logs.md @@ -1,4 +1,4 @@ -PX4 Logs and Topics +PX4 Logs and Topics === For detailed analysis of the PX4 firmware behavior, you can view flight logs. Flight logs are messages in [uORB topics](https://dev.px4.io/en/middleware/uorb.html) written to a file with extension `.ulg`. The log file can be downloaded using QGroundControl via Wi-Fi or USB in the *Download Log* tab: @@ -53,4 +53,4 @@ Examples of commands: `listener vehicle_local_position` -`listener vehicle_attitude 5` \ No newline at end of file +`listener vehicle_attitude 5` diff --git a/docs/en/lesson1.md b/docs/en/lesson1.md index 79b14357..3b48bab5 100644 --- a/docs/en/lesson1.md +++ b/docs/en/lesson1.md @@ -1,8 +1,8 @@ Lesson 1: "Introduction. Principles of designing and building multicopters" -======================================================================== +======================================================================== The first drones -------------------- +------------------- The impetus for the emergence of remotely operated machines was discovery of electricity and invention of radio. On August 22, 1849, the Austrian army used balloons controlled by wires for bombing Venice. In 1892, the Sims-Edison Electric Torpedo Company presented an anti-ship torpedo controlled by wires. In 1897, a British Ernest Wilson patented a system for wireless control of a zeppelin; however, there is no information about building such a mechanism. @@ -27,7 +27,7 @@ UAV types An Unmanned Aerial Vehicle (UAV) is an aircraft flying without a pilot (crew) on board, and controlled during flight automatically, by an operator in a control room, or by a combination of these methods. The main classes of such aircraft are UAVs of the airplane and copter types. -Airplane-type UAVs +Airplane-type UAVs --------------------- This type of aircraft is also known as fixed-wing UAV. The lifting force of such aircraft is created aerodynamically by the air pressure moving against a fixed wing. Aircraft of this type are usually characterized by longer flight duration, high maximum altitude, and high speed. @@ -45,7 +45,7 @@ The areas of use: * Security and area monitoring. Application of copters -------------------- +------------------- An Unmanned Aerial Vehicle (UAV) is an aircraft flying without a pilot (crew) on board, and controlled during flight automatically, by an operator in the control room, or by a combination of these methods. It is widely used in various fields: @@ -58,7 +58,7 @@ An Unmanned Aerial Vehicle (UAV) is an aircraft flying without a pilot (crew) on * Food industry (delivery of food products). Types and configuration -------------------- +------------------- There are many engines configurations: a tricopter, a hexacopter, or an octocopter, but the simplest one in terms of assembly and operation is a quadcopter, i. e., a multi-rotor platform with four engines. In turn, a quadcopter may have + and х configuration. In copters with a "+" configuration, one of the beams faces forward, while in platforms with the "x" configuration, the main direction of movement is between two adjacent beams. @@ -159,4 +159,4 @@ Usually made of plastic or composite materials. 7. What is the purpose of ESC? 8. What kind of electric motors is used in copters? What is their advantage? 9. What are the three parameters of air screws? -10. Will a quadcopter be able to fly in the vacuum? \ No newline at end of file +10. Will a quadcopter be able to fly in the vacuum? diff --git a/docs/en/lesson2.md b/docs/en/lesson2.md index 9165c960..7eed0b17 100644 --- a/docs/en/lesson2.md +++ b/docs/en/lesson2.md @@ -1,8 +1,8 @@ Lesson 2 "Fundamentals of electricity" -============================== +====================================== Introduction. Electromotive force. Ohm's Law ------------------------------------------ +-------------------------------------------- As we know, all bodies are composed of tiny particles - molecules, molecules are composed of atoms, atoms — of still smaller protons, neutrons, and electrons. Each particle, molecule, or body has its energy charge. Bodies with a positive (+) charge are attracted to bodies with a negative (-) charge, and the same charges repel from each other ( + ) from ( + ) and ( - ) from ( - ). Motion is observed. @@ -51,7 +51,7 @@ I = U\R I=2 A The first Kirchhoff's law ---------------------- +------------------------- In circuits that consist of series-connected source and receiver of energy, the relationship between the current, electromotive force and resistance of the entire circuit, or between the voltage and the resistance in any section of the circuit is determined by the Ohm's law. @@ -109,7 +109,7 @@ The obtained expression is of wide practical use. Electric circuits are calculated by this law. The second Kirchhoff's law ---------------------- +--------------------- In a closed electric circuit, the sum of all the EMF is equal to the sum of the voltage drops in the resistances of the same circuit. @@ -166,4 +166,4 @@ When German electrical engineer Georg Simon Ohm put his doctoral dissertation, w Ohm's mane has been immortalized not only by the law that he had discovered. In 1881, at the Electrical Congress in Paris, the name of the unit of resistance "Ohm" has been approved. Not everyone knows that one of the craters on the dark side of the Moon is named after Ohm, along with the names of great physicists such as Planck, Lorentz, Landau, and Kurchatov. -In 1833, Georg Ohm was already known in Germany, and was Professor of the Polytechnic school in Nuremberg. However, in France and England, Ohm's works remained unknown. 10 years after the appearance of Ohm's law, a French physicist in his experiments came to the same conclusions. However, it was pointed out to him that this law has been discovered by Ohm as early as in 1827. French schoolchildren still study the Ohm's law under a different name; for them, it is the Pouillet's law. \ No newline at end of file +In 1833, Georg Ohm was already known in Germany, and was Professor of the Polytechnic school in Nuremberg. However, in France and England, Ohm's works remained unknown. 10 years after the appearance of Ohm's law, a French physicist in his experiments came to the same conclusions. However, it was pointed out to him that this law has been discovered by Ohm as early as in 1827. French schoolchildren still study the Ohm's law under a different name; for them, it is the Pouillet's law.