How to determine the cargo trikes merits of the controller

Back pressure control observed

      Select a cargo trikes , power can be bigger , unplug the battery charger for electric vehicles powered choice , connect terminals E-ABS is enabled , the switch to ensure good contact with the brake . Slowly turn the rotating , fast charger can not output large current will cause voltage, so that the motor reaches top speed , rapid braking, repeatedly, should damage occur MOS phenomenon during cargo electric bikes braking , the charger output terminal voltage will rise rapidly , the test controller instant pressure limiting the ability of this test if the battery test basically no effect. This test can also be performed in the fast downhill , when the car reaches the high speed braking.
Current control
Take full battery capacity the better , let the motor reaches top speed , optional two motor output line short , repeated more than 30 times, should not appear MOS damage ; let the motor reaches top speed , with the cargo bikes battery positive and optionally a motor line short , repeated 30 times , which is more severe than the test , a MOS circuit of less resistance, greater instantaneous short circuit current, rapid control of the test controller .
Many controllers fool in this part , if damaged, can compare the number two controllers successfully withstand a short circuit , the less worse ; unplug an electrical cord, turn to pull the maximum , then the motor will not run quickly turned the other motor lines, should be able to turn the motor immediately , the motor rotation in which a motor repeatedly plug wire , the controller should work . This part of the experiment to verify the controller software , hardware reliability design .