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Finally pulled the trigger on an Advanced

Discussion in 'Pro/Adv Discussion' started by jonebk12, Feb 8, 2016.

  1. jonebk12

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    After waffling back and forth between the Standard and the Advanced, I bit the bullet today and ordered the latter from Amazon. Should be here Wednesday though I'm not sure when I'll get a chance to take it out and really put it through its paces. In the meantime, are there any good videos/threads/posts for Phantom newbies? I'm not new to quads in general, but have never owned one nearly this expensive and would greatly appreciate some tips as far as initial setup, breaking her in, etc. goes. Thanks in advance!
     
  2. msinger

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  3. QuadBart

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    I find found the DJI ones to be a good starting point, especially sine my previous Quad didn't have the an "app" for an interface....
     
  4. robinb

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    Good choice.

    Dont rush to do any firmware update.

    Try it, fly it and then decide.

    take time to read manuals and watch videos on youtube before hand.
     
  5. jonebk12

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    Are there issues with the latest firmware? Why might an older version be preferable?
     
  6. kbrembo

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    Good Choice!

    Enjoy
     
  7. JickMagger

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    The 1.5 firmware had a problem in it, 1.6 seems to be mostly better but has reduced the power to deal with a battery cutoff issue. Also the newer firmwares and apps are implementing more Geofencing restrictions.

    My best advice:

    -Stay away from trees!
    -Don't back into stuff; panning backwards looks cool but be sure you're high enough.
    -Only fly on a 100% charged battery
    -Don't fly on a cold battery; start with it at normal room temperature.
    -Check and double check your Return To Home (RTH) height. Set it generously high, better to be too high than too low.
     
  8. RedHotPoker

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    You are in for a great experience. Congrats on the purchase.
    Upon arrival, once you charge up the batteries, Check the firmware version, in the app, and "Go" from there... It may have been updated at the factory...

    RedHotPoker
     
  9. IBeSnoopy

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    Your going to love your purchase. As RedHotPoker said check the firmware version and make everything is calibrated before your first flight. I have the advanced and love it.
     
  10. jonebk12

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    Thanks for all the info so far! I'm getting very excited for tomorrow. Regarding the battery, I've come across various bits of info about proper storage, use, charging, break-in, etc. but was wondering if there was a comprehensive guide. Considering extra batteries are about $150 a pop and they're what will keep my $800 quad from becoming a brick mid-flight, I don't want to screw anything up!
     
  11. RedHotPoker

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    The Inspire 1 and Phantom 3 battery are essentially the same...
    There was this battery guide:
    How do Intelligent Batteries Work?
    The Inspire 1’s intelligent battery has many functions: Battery Level Display, Battery Life Display, Auto-discharging, Balance Charging, Over Charge Protection, Temperature Detection, Over Current Protection, Short Circuit Protection, Battery Cell Damage Protection, Battery Information History, SleepMode, and Communication.
    Some functions can directly display the current state of the battery by checking whether an LED is on or off, while other functions of the battery can only be worked with DJI GO app. The app displays how much remaining power the battery has,and the system can automatically analyze and calculate the power and time required to return home and land safely, so that users will not always worry about a low battery during flight. The Intelligent Battery also displays the voltage of each battery cell, the total charging and discharging times, the health status of the battery, and so on.
    [​IMG]
    There are some advanced functions, like the Inspire 1’s Smart Low Battery RTH:
    When the Battery Level Indicator displays a low battery warning, the motor is not able to output enough power. Users are advised to land the drone immediately, otherwise the drone will land automatically. An automatic landing may damage the drone, endanger by standers, or cause other problems. To prevent such hazards, when low battery is triggered, the main controller of Inspire 1 can intelligently estimate whether the current power level is enough to return home from its current position. The DJI Go app will advise users to return home if this is the case. The drone will automatically return to the Home Point if no action is taken within 10 seconds. Users can cancel RTH by pressing the RTH button once. Smart RTH will only work once per flight.
    Compared with a traditional battery, intelligent batteries bring pilots great convenience. Let’s see how the battery, a basic energy storage medium, developed into a multi-functional intelligent battery by looking at some of its special functions more closely.
    [​IMG]
    Over Discharge Prevention
    When using a battery, users often worry about over discharging. To avoid the problem, battery designers installed an over discharging protective circuit. Discharging will stop when battery reaches a preset voltage. However, if discharging stops, lots of data cannot be processed, and the drone will lose power. Hence, automatically stopping discharging is the last level of battery protection; the battery circuit also calculates the endurance of battery life and warn users to take safety measures when necessary.
    For example, the Inspire 1’s battery data is integrated with its flight control data, which can provide three level battery warning protection.
    [​IMG]
    1. Low Battery Level Warning - When the battery level indicator displays that the remaining battery level is 30% (the exact percentage can be set by users), the red light starts slowly flashing. Users are notified of the remaining battery level and should returnto the Home Point as soon as possible.
    2. Critical Low Battery Level Warning - The drone will automatically return to the Home Point if the remaining battery level can only support the drone’s return home. The thresholds for the warning are automatically determined based on the current flight altitude and distance calculated with intelligent battery data and the flight control data.
    3. Intense Critical Low Battery Level Warning - The drone will automatically land if the remaining battery level cannot support a normal RTH (return time being delayed by headwinds, for example) to avoid crashing.
    [​IMG]
    [​IMG]
    The endurance of battery life is determined based on the current flight distance, altitude, and current output power of the motors. Since these elements are dynamic, all data should be calculated in real time. All this requires exceptional battery cell management and algorithm design.
    Battery Charge Protection and Storage
    There are some special requirements for charging lithium batteries. Currently, lithium batteries use serial-parallel battery cells. But since battery cells are different, this leads to imbalanced charging and discharging. Therefore, it is necessary touse a charging management circuit. Another function of the Intelligent Lithium Battery is that it has an intelligent charging and discharging management system.
    The Inspire 1’s intelligent battery can manage the charging and discharging process, and it is also able to automatically discharge. The battery will auto discharge to around 65% if the battery level is more than 65% and it is idle for more than 10 days (users can set the exact time themselves).
    [​IMG]
    Checking Battery Level in Real Time
    Users used to check battery levels, output voltage, and electricity by using a multimeter, or mounting a “beep-beep” tool into the battery, which was inconvenient. Today, batteries are more intelligent and display the remaining battery and other information in real-time.
    [​IMG]
    Take Inspire 1’s battery as an example:
    1. You can check the remaining battery level easily. 4 LED lights display the current remaining battery level in real-time on the ground and in flight.
    2. The DJI GO app will display the cell voltage of the battery by transferring voltage data from the aircraft in real time.
    3. A record is stored about the battery’s history, detailing the number of uses, previous warning messages and battery life over time.
    4. The Inspire’s LED light displays battery errors. It will display errors caused by short circuiting,over current charging, over voltage charging, high temperatures, low temperatures, and so on.
    Here are two examples of intelligent battery functions: battery level display and charging protection display.
    Battery Level Display:
    [​IMG]
    [​IMG]
    No Contact Plugs
    Imagine you are mounting a battery onto a DIY drone, the plug sparks. If the situation happens again, the plug will oxidize under the high temperatures when the battery discharges. The conductivity of the plug will decrease, and the plug will overheat and dissolve. Some crashes are caused by the aging electrode plugs. To solve the problem, the Intelligent Lithium Battery’s management circuit was developed.
    [​IMG]
    When placing the battery into Inspire 1, the electrode contact will not discharge, so there will not be any electric erosion. As such, the life of the battery plug contact point increases. The battery will output power only after pressing the on/off button. When powering off, users should press the power button twice, and hold it the second time.
    Battery Authenticity
    The intelligent battery's authenticity is well protected. First, users can only use lithium batteries produced in the original factory, so the quality of the battery is guaranteed. Therefore,users must only use batteries produced by the company, or else the aircraft will not takeoff. Even if the system can be cracked, the company can upgrade the firmware accordingly.
    The 5 points above explained more about the battery, battery pre-check before flight, battery storage and the benefits of protection so users can use their batteries more safety. The next section will discuss battery guidelines and notices.
     
    Battery Usage Instructions
    1. Please remove the battery from the drone while it is not being used, and keep it in a temperate environment to prevent the battery from over heating or freezing.
    2. Do not charge the battery right after the flight; wait until it cools down. The charging environment should be between 0℃ to 40℃. Take care of the battery to avoid accidents.
    3. Be aware of the battery during transport. A vehicle accelerating or decelerating and may cause the battery may collide with sharp objects and combust or cause other damage. Please keep batteries in a safe place while transporting in a car to prevent fire.
    4. Check the status of battery before using. Lack of usage over may deplete battery power or lead to deviations in voltage level between the battery cells because of incomplete charging and discharging operations. Normally, these problems will ariseif the battery is within a 0.2V voltage deviation.
    5. Please recycle a damaged battery, since lithium batteries are greatly harmful to the environment.
    6. Suitable storage power range is from 50% to 65% if the battery is unused for a long time.
    7. Air transportation is a concern of some users. Some are glad because of that the standard battery level of the Inspire 1 batteryTB47 is 99.9Wh, and can be carried onto a flight, since the limit of battery level is 100Wh. But the standard battery level of the optional battery TB48 is 129.96. Normally, only two of these batteries can be carried onto a flight.
    8. While using the battery under low temperature environment, between -10℃ to 4℃, the internal resistance of the battery increases which leads to heavy drop in voltage. Therefore, please fully charge the battery before using. The voltage of battery cells reaches 4.35V. While the temperature is lower than 5℃, the battery needs to be fully charged, the voltage of battery cells should be higher than 4.2V, and warm-up and heat preservation actions should be taken before launching. The warm-up can be achieved with the battery heater or by hovering the drone at a low altitude for around one minute.
    Many users are unfamiliar with complete discharging. For instance, the battery of Inspire 1 needs to have one complete cycle of charging and discharging after ten in complete cycles in order to calibrate the battery level.
    There are two modes of discharging: the slow one and the rapid one.
    Slow discharging: Install the battery into the drone, turn the battery on and leave it electrostatically discharging until it automatically turns off when the battery level lower than 5%. It is recommended not to turn on the electric motor especially those without rotating propellers, as it may lead to abrasion of the motor.
    Rapid discharging: Install the battery into the drone, fly it until low battery level alerts and the drone automatically lands. Do not turn it off and keep it discharging until it automatically shuts down.
    Nowadays one of the biggest limitations of the drones is the endurance of the battery. The intelligent battery can be improved to maximize efficiency or use another energy source such as hydrogen or solar energy, to extend the operationtime of the flight. If new energies can be utilized, it will be a huge step forward for the battery since its efficiency will greatly improve.
    Thank to those of you who read this whole thread![​IMG]
    Let's look forward to the next revolutions in intelligent battery design!

    Hope that helps... ;-)

    RedHotPoker
     
  12. RedHotPoker

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    Oh but wait, there is more... ;-)
    Yeah, this:

    In a previous post, I discussed how our intelligent batteries work and how they differ from traditional batteries. Dynamic power management is one key traits of intelligent batteries that makes them suitable for use with UAVs. As such, this post will talk about the basic design of intelligent battery’s power management system.
    Below is a diagram detailing how power runs through an intelligent battery:
    [​IMG]
    Power Outlet:
    Alternating current (AC) house hold power has a voltage of 220V and a frequency of 50Hz in Shenzhen, China (where DJI HQ is located),though the exact numbers differ in different parts of the world. However, we cannot charge the battery by using 220V AC directly, so we need to adjust the power and then charge battery. So we need an…
    Adapter:
    [​IMG]
    You probably know the adapter as the “big black box”on your power adapter, as pictured above. A adapter takes the AC current from your house’s power supply and converts it to an appropriate DC current.
    For example, the Inspire 1’s battery needs a 26.3V DC to charge. 26.3V DC will be output by the power adapter after the AC current runs through the copper coils of the transformer. A few other parts called the rectifier, filter and regulator make sure your signal comes out polarized and evenly.

    Relay:
    Now that the charger outputs the correct voltage, we can charge the battery directly. But to gain intelligence, we can install a relay to control when to charge the battery and when not to charge it. Take a look at the diagram below:
    Simply put, it is controls when to charge and discharge the battery.
    Load Management:
    Apart from the power adapter’s relay, the battery contains a number of other “load modules” that control the flow of electricity. The most basic load is the motor. In a circuit, several load devices are employed, such as resistors, inductors, capacitors, and detection sensors.
    Battery Controller Chip:
    The controller chip is the brain of the intelligent battery’s power management system. The controller can detect the voltage of a lithium battery and then manage the battery’s charging and discharging by controlling a relay switch. It has several basic functions:
    1. It can control the battery to charge or discharge by controlling the relay.
    2. It can detect the battery voltage, current, remaining power level and other parameters in real-time when the battery is powered on.
    3. It can wirelessly transmit battery information to the ground system and receive the instructions from the ground system.
    [​IMG]
    Some intelligent batteries have other functions, such as temperature detection protection, energy calculation, battery storage data,charging algorithms and over current circuit protection. Since battery technology is always improving, more and more control chip functions will be developed and implemented.
    Wireless Data Transmission Module:
    When power system information is collected by the control chip, a battery data signal will be transmitted to the aircraft and then to the RC through the wireless transmission module in the aircraft
    RC will also send some instructions to the controller chip and adjust the battery discharging by controlling the relay switch, which can detect and control the aircraft in real-time.
    The wireless transmission module can transmit data through the antenna. Below is a picture of the Phantom 2’s antenna:
    [​IMG]
    The battery is placed in the battery socket on the aircraft. The two smaller pins on the left are used to transmit data. Two flat ports on the right are positive and negative pins used to charge the battery.

    We can see two yellowish brown cables in the figure,which come from the battery’s signal port and transmit data signals to the circuit board directly
    [​IMG]
    Finally, data can be transmitted to the RC by the signal antenna.
    [​IMG]
    In this last section, for comparison, let’s talk about atraditional lithium battery.
    The battery has multiple cells, but cables are connected to the port of each cell individually. It is not intelligent!
    When the battery is charging, the charger displays the charging conditions, including voltage, amperage and charging time
    [​IMG]
    Also,the voltage meter needs to be used to prevent the battery from over discharging.
    [​IMG]
    Intelligent batteries have lots of powerful functionality, and I believe they will become cheaper and more powerful over time. Let’s look forward to more progress!

    Hope this has helped, & given you an intelligent flight battery insight.

    RedHotPoker
     
  13. jonebk12

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    Wow! Lots of info there! Thanks. I'll have to look through it in bits and pieces. With this autodischarge function, I understand the idea is that the battery should be stored long term at 50% charge or so? If I fly the quad and don't plan on flying again for at least a week or two, would it make sense to just charge the battery about halfway before putting everything away and save a charge/discharge cycle?
     
  14. RedHotPoker

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    Read the information first, then ask them questions later... Hehe
    These are intelligent flight batteries, so no need to babysit them. ;-) Practice soft battery breakin. Only fly to 50% first ten flights.
    After twenty full charges, which you can see in the Go app, drain them down to 8% and then back to 100%.

    Set them to discharge in the app, at a rate or time frame that suites you.
    You can set them to discharge in a couple of days or up to ten days.

    RedHotPoker
     
  15. ryantrax

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    Congrats!!! I've had the P3A since launch and have loved it! If you're new to flying first after taking all the above advice make sure you calibrate the compass in the DJI GO app. Then for your maiden flight use the AUTO TAKEOFF option and just do small movements until you get used to how it flies. The P3 is super easy to fly and stable but I've heard some horror stories of people botching their first takeoff. Make sure you fly in a large open area with low to no wind the first time too.
     
  16. MrMcfly

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    [​IMG]
     
  17. RedHotPoker

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    Looks like your batteries are fully charged.
    Dude Your fireworks just went off.
    Or are you only glad to see me? Hahaha

    Reread that battery guide, eh? ;-)

    RedHotPoker
     
  18. MrMcfly

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    That's A LOT of information... Good read. Nice to know what makes these birds tick (or buzz!)
     
  19. jonebk12

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    Just my luck. I go home at lunch to put the package inside after getting delivery confirmation from UPS. Package is not at my door or in the apartment leasing office. UPS says the driver can't come back to check where he left it until 6 tonight. So I get to sit here at work anxious as hell hoping he just left it at the wrong building. Hopefully once I get it this will be the last bad luck I have with my quad!
     
    #19 jonebk12, Feb 10, 2016
    Last edited: Feb 10, 2016
  20. jonebk12

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    Of course, the driver did not in fact come back by my apartment at 6 like I was told he would. When I called the UPS hub at 6:30, I was informed that he had already checked in for the night and gone home. This is so frustrating. I'm sure it'll work out in the end but I frankly just don't have the time to deal with this. Literally have never had a package get lost or misdelivered before and of course it happens with the most expensive thing I think I've ever bought online. Ok, rant over for now. Fingers crossed for good news from UPS in the morning!