PulsarActuator
Main class for controlling Pulsar actuators via PCP (Pulsar Control Protocol).
This class provides high-level methods to control actuator modes, setpoints, feedback configuration, and parameter management.
Source code in pcp_api/pulsar_actuator.pyi
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address
property
Returns the actuator's CAN address (read-only).
Returns:
| Name | Type | Description |
|---|---|---|
int |
int
|
The CAN address of the actuator. |
firmware_version
property
Returns the actuator's firmware version (read-only).
Returns:
| Name | Type | Description |
|---|---|---|
str |
str
|
The firmware version of the actuator. |
model
property
Returns the actuator's model name (read-only).
Returns:
| Name | Type | Description |
|---|---|---|
str |
str
|
The model name of the actuator. |
Mode
Bases: Enum
Control modes available for the Pulsar actuator.
Source code in pcp_api/pulsar_actuator.pyi
PCP_Items
Bases: Enum
Feedback items available for monitoring actuator state.
Source code in pcp_api/pulsar_actuator.pyi
PCP_Parameters
Bases: Enum
Available parameters that can be read/written on the actuator.
Source code in pcp_api/pulsar_actuator.pyi
Rates
Bases: Enum
Feedback update rates for high/low frequency data streams.
Source code in pcp_api/pulsar_actuator.pyi
SpeedPerformance
Bases: Enum
Performance settings for speed control mode.
Source code in pcp_api/pulsar_actuator.pyi
TorquePerformance
Bases: Enum
Performance settings for torque control mode.
Source code in pcp_api/pulsar_actuator.pyi
__init__(adapter_handler, address, logger=None)
Initialize a PulsarActuator instance.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
adapter_handler
|
Any
|
Communication adapter for PCP protocol |
required |
address
|
int
|
PCP network address of the actuator (0x0001-0x3FFE) |
required |
logger
|
Optional[Logger]
|
Optional logger for debugging messages |
None
|
Source code in pcp_api/pulsar_actuator.pyi
blink()
change_address(new_address)
Change the PCP address of the actuator.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
new_address
|
int
|
New PCP address (0x10 - 0x3FFE) |
required |
change_impedance_setpoint(setpoint, FF_gain=nan, K_stiff=nan, K_damp=nan, J_imp=nan, ref_ff_torque=nan, ref_impedance_spd=nan, ref_impedance_acel=nan)
Changes the setpoint and additional parameters for impedance control.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
setpoint
|
float
|
setpoint in rad. |
required |
FF_gain
|
float
|
The feedforward gain to control friction and inertia compensation. (In general should be 0 or 1) |
nan
|
K_stiff
|
float
|
The stiffness parameter for impedance control. |
nan
|
K_damp
|
float
|
The damping parameter for impedance control. |
nan
|
J_imp
|
float
|
The inertia parameter for impedance control. |
nan
|
ref_ff_torque
|
float
|
The reference feedforward torque in Nm. |
nan
|
ref_impedance_spd
|
float
|
The reference impedance speed in rad/s. |
nan
|
ref_impedance_acel
|
float
|
The reference impedance acceleration in rad/s^2. |
nan
|
Source code in pcp_api/pulsar_actuator.pyi
change_mode(mode)
Change the actuator control mode.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
mode
|
Mode
|
The mode to be set. (TORQUE, SPEED, POSITION, ...) |
required |
change_position_setpoint(setpoint, FF_gain=nan, spd_Ki=nan, spd_Kp=nan, pos_Kp=nan, ref_ff_torque=nan)
Changes the setpoint and additional parameters for position control.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
setpoint
|
float
|
setpoint in rad. |
required |
FF_gain
|
float
|
The feedforward gain to control friction and inertia compensation. (In general should be 0 or 1) |
nan
|
spd_Ki
|
float
|
The integral gain for the speed controller. |
nan
|
spd_Kp
|
float
|
The proportional gain for the speed controller. |
nan
|
pos_Kp
|
float
|
The proportional gain for the position controller. |
nan
|
ref_ff_torque
|
float
|
The reference feedforward torque in Nm. |
nan
|
Source code in pcp_api/pulsar_actuator.pyi
change_setpoint(setpoint)
Changes the setpoint of the actuator (for the current control mode).
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
setpoint
|
float
|
The setpoint to be set. |
required |
change_speed_setpoint(setpoint, FF_gain=nan, spd_Ki=nan, spd_Kp=nan, ref_ff_torque=nan)
Changes the setpoint and additional parameters for speed control.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
setpoint
|
float
|
setpoint in rad/s. |
required |
FF_gain
|
float
|
The feedforward gain to control friction and inertia compensation. (In general should be 0 or 1) |
nan
|
spd_Ki
|
float
|
The integral gain for the speed controller. |
nan
|
spd_Kp
|
float
|
The proportional gain for the speed controller. |
nan
|
ref_ff_torque
|
float
|
The reference feedforward torque in Nm. |
nan
|
Source code in pcp_api/pulsar_actuator.pyi
change_torque_setpoint(setpoint, id_Kp=nan, id_Ki=nan, iq_Kp=nan, iq_Ki=nan)
Changes the setpoint and additional parameters for torque control.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
setpoint
|
float
|
setpoint in Nm. |
required |
id_Kp
|
float
|
The proportional gain for the d-axis current controller. |
nan
|
id_Ki
|
float
|
The integral gain for the d-axis current controller. |
nan
|
iq_Ki
|
float
|
The integral gain for the q-axis current controller. |
nan
|
iq_Kp
|
float
|
The proportional gain for the q-axis current controller. |
nan
|
Source code in pcp_api/pulsar_actuator.pyi
connect(timeout=1.0)
Establish connection to the actuator.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
timeout
|
float
|
Connection timeout in seconds |
1.0
|
Returns:
| Type | Description |
|---|---|
bool
|
True if connection successful, False otherwise |
disconnect()
get_feedback()
Get the latest feedback data.
Returns:
| Type | Description |
|---|---|
Dict[Any, Any]
|
Dictionary containing latest feedback values |
get_items_blocking(items, timeout=1.0)
Requests specific feedback items and waits for their response.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
items
|
list
|
The list of PulsarActuator.PCP_Items to be requested. |
required |
timeout
|
float
|
The maximum time to wait for the response, in seconds. Default is 1.0 second. |
1.0
|
Returns:
| Name | Type | Description |
|---|---|---|
dict |
Dict[PCP_Items, float]
|
A dictionary with the requested items and their values. |
Source code in pcp_api/pulsar_actuator.pyi
get_mode()
Returns the current control mode of the actuator.
Returns:
| Type | Description |
|---|---|
Mode
|
PulsarActuator.Mode: The current mode. |
get_parameters(parameters, timeout=1.0)
Read multiple actuator parameters.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
parameters
|
List[PCP_Parameters]
|
Parameters to request from the actuator. |
required |
timeout
|
float
|
Response timeout in seconds. |
1.0
|
Returns:
| Type | Description |
|---|---|
Dict[PCP_Parameters, float]
|
Dict[PulsarActuator.PCP_Parameters, float]: Current values for the requested parameters. |
Source code in pcp_api/pulsar_actuator.pyi
get_parameters_all()
Read all available actuator parameters.
Returns:
| Type | Description |
|---|---|
Dict[PCP_Parameters, float]
|
Dictionary containing all parameter values |
save_config()
send_ping(timeout=1.0)
Send ping to verify actuator connectivity.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
timeout
|
float
|
Response timeout in seconds |
1.0
|
Returns:
| Type | Description |
|---|---|
bool
|
True if ping successful, False otherwise |
set_can_high_speed(high_speed)
Enable or disable CAN high speed mode.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
high_speed
|
bool
|
True to enable high speed mode, False to disable. |
required |
set_error_callback(callback)
Set the callback function for errors.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
callback
|
Callable[[int, dict], None]
|
Function called with the actuator address and an error dictionary. |
required |
Source code in pcp_api/pulsar_actuator.pyi
set_feedback_callback(callback)
Set callback function to receive feedback data.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
callback
|
Callable[[int, dict], None]
|
Function to call when feedback data is received |
required |
set_feedback_items(items)
Configure which items to include in high frequency feedback stream.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
items
|
List[PCP_Items]
|
List of PCP_Items to monitor at high frequency |
required |
set_feedback_rate(rate)
Set the update rate for high frequency feedback.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
rate
|
Union[Rates, int]
|
Either a PulsarActuator.Rates enum value, or an integer representing the desired feedback rate in Hz. The divider is rounded to the nearest integer, so the actual rate may differ slightly from the requested rate. To disable feedback, use Rates.DISABLED or pass 0. |
required |
Source code in pcp_api/pulsar_actuator.pyi
set_home_position()
set_parameters(parameters)
Set multiple actuator parameters.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
parameters
|
Dict[PCP_Parameters, float]
|
Mapping of parameters to the values to write. |
required |
Source code in pcp_api/pulsar_actuator.pyi
set_speed_performance(performance)
Set speed control performance level.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
performance
|
SpeedPerformance
|
Desired performance setting (AGGRESSIVE, BALANCED, SOFT, or CUSTOM) |
required |
set_torque_performance(performance)
Set torque control performance level.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
performance
|
TorquePerformance
|
Desired performance setting (AGGRESSIVE, BALANCED, or SOFT) |
required |