Skid Steer two ESCs poor stick control

ArduRover Operating/Tuning -- deprecated
1

First of all, good evening! This is my first post and I am very pleased with this forum overall! However, I’m not quite the brightest crayon in the box with searches and while I find many things similar to my issue, I’m still having a difficult time rectifying the problem. Here’s what I have.

APM 2.6 with power module powered by a 3s lipo
Ardurover 2.5
Dagu Wild Thumper 6WD
Flysky i10 radio and receiver
Two 25A hobbywing brushed ESCs powered by a 6v SLA (for testing purposes)

The vehicle is not properly responding to stick inputs. When I turn left or move forward, the right side wheels do not move. When I go back to neutral, the right side wheels move in reverse. The left wheels are totally responsive to stick input, but the right ones are, well, getting on my nerves a bit lol.

I’m sure I have everything hooked up correctly according to the wiki page of ardupilot rover. I’m using the pitch and roll for my throttle and steer, ch1 from rx to ch1 on apm, ch 2 from rx to ch3 on apm. I tried switching the ESCs on ch1 and ch3 motor outputs and same result just different side. Skidsteerinput is disabled and skidsteeroutput is 1. I know the ESCs are working correctly because each of them (connected to ch2 right off the receiver) function properly.

If anyone has any advice, I’d greatly appreciate it! I’m trying to avoid spending more on this thing than I need to, but if it comes down to it and I need to get a different speed controller, like a Sabertooth, then I guess it’s the way I’ll end up going if it’s the sure route to fixing my issue.

Thanks in advance!!

2

@phattacorider,
Please provide tlogs and/or dataflash logs to help troubleshoot your issue.
Also, please provide you full parameter list file.
Regards,
TCIII GM

3

#NOTE: 1/22/2016 1:09:00 PM Frame :
AHRS_COMP_BETA,0.1
AHRS_GPS_GAIN,1
AHRS_GPS_MINSATS,6
AHRS_GPS_USE,1
AHRS_ORIENTATION,0
AHRS_RP_P,0.2
AHRS_TRIM_X,0
AHRS_TRIM_Y,0
AHRS_TRIM_Z,0
AHRS_WIND_MAX,0
AHRS_YAW_P,0.2
AUTO_KICKSTART,0
AUTO_TRIGGER_PIN,-1
BATT_AMP_OFFSET,0
BATT_AMP_PERVOLT,18.0018
BATT_CAPACITY,3300
BATT_CURR_PIN,12
BATT_MONITOR,0
BATT_VOLT_MULT,10.1
BATT_VOLT_PIN,13
BATT2_AMP_OFFSET,0
BATT2_AMP_PERVOL,17
BATT2_CAPACITY,3300
BATT2_CURR_PIN,12
BATT2_MONITOR,0
BATT2_VOLT_MULT,10.1
BATT2_VOLT_PIN,13
BRAKING_PERCENT,0
BRAKING_SPEEDERR,3
CAM_DURATION,10
CAM_SERVO_OFF,1100
CAM_SERVO_ON,1300
CAM_TRIGG_DIST,0
CAM_TRIGG_TYPE,0
CH7_OPTION,1
COMPASS_AUTODEC,1
COMPASS_DEC,0
COMPASS_EXTERNAL,0
COMPASS_LEARN,0
COMPASS_MOT_X,0
COMPASS_MOT_Y,0
COMPASS_MOT_Z,0
COMPASS_MOTCT,0
COMPASS_OFS_X,-21
COMPASS_OFS_Y,65
COMPASS_OFS_Z,41
COMPASS_ORIENT,0
COMPASS_USE,1
CRUISE_SPEED,5
CRUISE_THROTTLE,50
FORMAT_VERSION,16
FS_ACTION,2
FS_GCS_ENABLE,0
FS_THR_ENABLE,1
FS_THR_VALUE,910
FS_TIMEOUT,5
GCS_PID_MASK,0
GND_ABS_PRESS,94834.34
GND_ALT_OFFSET,0
GND_TEMP,31.69449
GPS_MIN_ELEV,-100
GPS_NAVFILTER,8
GPS_SBAS_MODE,2
GPS_TYPE,1
INITIAL_MODE,0
INS_ACCEL_FILTER,10
INS_ACCOFFS_X,0
INS_ACCOFFS_Y,0
INS_ACCOFFS_Z,0
INS_ACCSCAL_X,1
INS_ACCSCAL_Y,1
INS_ACCSCAL_Z,1
INS_GYRO_FILTER,10
INS_GYROFFS_X,0.02430677
INS_GYROFFS_Y,-0.03401776
INS_GYROFFS_Z,0.006188437
INS_PRODUCT_ID,88
LEARN_CH,7
LOG_BITMASK,16254
MAG_ENABLE,1
MIS_RESTART,0
MIS_TOTAL,0
MNT_ANGMAX_PAN,4500
MNT_ANGMAX_ROL,4500
MNT_ANGMAX_TIL,4500
MNT_ANGMIN_PAN,-4500
MNT_ANGMIN_ROL,-4500
MNT_ANGMIN_TIL,-4500
MNT_DEFLT_MODE,3
MNT_JSTICK_SPD,0
MNT_K_RATE,5
MNT_LEAD_PTCH,0
MNT_LEAD_RLL,0
MNT_NEUTRAL_X,0
MNT_NEUTRAL_Y,0
MNT_NEUTRAL_Z,0
MNT_OFF_ACC_X,0
MNT_OFF_ACC_Y,0
MNT_OFF_ACC_Z,0
MNT_OFF_GYRO_X,0
MNT_OFF_GYRO_Y,0
MNT_OFF_GYRO_Z,0
MNT_OFF_JNT_X,0
MNT_OFF_JNT_Y,0
MNT_OFF_JNT_Z,0
MNT_RC_IN_PAN,0
MNT_RC_IN_ROLL,0
MNT_RC_IN_TILT,0
MNT_RETRACT_X,0
MNT_RETRACT_Y,0
MNT_RETRACT_Z,0
MNT_STAB_PAN,0
MNT_STAB_ROLL,0
MNT_STAB_TILT,0
MNT_TYPE,0
MODE_CH,8
MODE1,2
MODE2,2
MODE3,2
MODE4,2
MODE5,2
MODE6,0
NAVL1_DAMPING,0.75
NAVL1_PERIOD,8
PIVOT_TURN_ANGLE,30
RC1_DZ,30
RC1_MAX,2000
RC1_MIN,1000
RC1_REV,1
RC1_TRIM,1514
RC10_DZ,0
RC10_FUNCTION,0
RC10_MAX,1900
RC10_MIN,1100
RC10_REV,1
RC10_TRIM,1500
RC11_DZ,0
RC11_FUNCTION,0
RC11_MAX,1900
RC11_MIN,1100
RC11_REV,1
RC11_TRIM,1500
RC2_DZ,0
RC2_FUNCTION,0
RC2_MAX,2001
RC2_MIN,1000
RC2_REV,1
RC2_TRIM,1500
RC3_DZ,30
RC3_MAX,1900
RC3_MIN,1100
RC3_REV,1
RC3_TRIM,1099
RC4_DZ,0
RC4_FUNCTION,0
RC4_MAX,1499
RC4_MIN,1498
RC4_REV,1
RC4_TRIM,1498
RC5_DZ,0
RC5_FUNCTION,0
RC5_MAX,1554
RC5_MIN,1553
RC5_REV,1
RC5_TRIM,1554
RC6_DZ,0
RC6_FUNCTION,0
RC6_MAX,1499
RC6_MIN,1498
RC6_REV,1
RC6_TRIM,1498
RC7_DZ,0
RC7_FUNCTION,0
RC7_MAX,1499
RC7_MIN,1498
RC7_REV,1
RC7_TRIM,1498
RC8_DZ,0
RC8_FUNCTION,0
RC8_MAX,1499
RC8_MIN,1498
RC8_REV,1
RC8_TRIM,1499
RCMAP_PITCH,2
RCMAP_ROLL,1
RCMAP_THROTTLE,3
RCMAP_YAW,4
RELAY_DEFAULT,0
RELAY_PIN,13
RELAY_PIN2,-1
RELAY_PIN3,-1
RELAY_PIN4,-1
RNGFND_DEBOUNCE,2
RNGFND_FUNCTION,0
RNGFND_GNDCLEAR,10
RNGFND_MAX_CM,700
RNGFND_MIN_CM,20
RNGFND_OFFSET,0
RNGFND_PIN,-1
RNGFND_PWRRNG,0
RNGFND_RMETRIC,1
RNGFND_SCALING,3
RNGFND_SETTLE,0
RNGFND_STOP_PIN,-1
RNGFND_TRIGGR_CM,100
RNGFND_TURN_ANGL,45
RNGFND_TURN_TIME,1
RNGFND_TYPE,0
RNGFND2_FUNCTION,0
RNGFND2_GNDCLEAR,10
RNGFND2_MAX_CM,700
RNGFND2_MIN_CM,20
RNGFND2_OFFSET,0
RNGFND2_PIN,-1
RNGFND2_RMETRIC,1
RNGFND2_SCALING,3
RNGFND2_SETTLE,0
RNGFND2_STOP_PIN,-1
RNGFND2_TYPE,0
RSSI_PIN,-1
RST_SWITCH_CH,0
SCHED_DEBUG,0
SERIAL0_BAUD,115
SERIAL1_BAUD,57
SERIAL1_PROTOCOL,1
SERIAL2_BAUD,57
SERIAL2_PROTOCOL,1
SERIAL3_BAUD,38
SERIAL3_PROTOCOL,5
SERIAL4_BAUD,38
SERIAL4_PROTOCOL,5
SKID_STEER_IN,0
SKID_STEER_OUT,1
SKIP_GYRO_CAL,0
SPEED_TURN_DIST,2
SPEED_TURN_GAIN,50
SPEED2THR_D,0.2
SPEED2THR_I,0.2
SPEED2THR_IMAX,4000
SPEED2THR_P,0.7
SR0_EXT_STAT,2
SR0_EXTRA1,6
SR0_EXTRA2,6
SR0_EXTRA3,2
SR0_PARAMS,10
SR0_POSITION,2
SR0_RAW_CTRL,2
SR0_RAW_SENS,2
SR0_RC_CHAN,2
SR1_EXT_STAT,2
SR1_EXTRA1,2
SR1_EXTRA2,2
SR1_EXTRA3,2
SR1_PARAMS,10
SR1_POSITION,2
SR1_RAW_CTRL,2
SR1_RAW_SENS,2
SR1_RC_CHAN,2
STEER2SRV_D,0.005
STEER2SRV_FF,0
STEER2SRV_I,0.2
STEER2SRV_IMAX,1500
STEER2SRV_MINSPD,1
STEER2SRV_P,1.8
STEER2SRV_TCONST,0.75
SYS_NUM_RESETS,29
SYSID_MYGCS,255
SYSID_SW_TYPE,20
SYSID_THISMAV,1
TELEM_DELAY,0
THR_MAX,100
THR_MIN,0
THR_SLEWRATE,100
TURN_MAX_G,2
WP_RADIUS,2

4

I was able to list my parameter tree but I’m having a hard time obtaining my log. MP stops responding as the log is appearing in my window. I hope you’re able to discern anything based on my parameter list. I’ll make a video shortly of the exact issue I am having.

5

If you could post a tlog or a dataflash log that would be helpful. A tlog might be easier as its already on your computer and MP doesn’t have to fetch it from the APM.
Thanks, Grant.